diff --git a/Cargo.lock b/Cargo.lock
index 4a46d30a8..d98b7fd8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "adler"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccc9a9dd069569f212bc4330af9f17c4afb5e8ce185e83dbb14f1349dda18b10"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
 [[package]]
 name = "ahash"
@@ -23,26 +23,26 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.31"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85bb70cc08ec97ca5450e6eba421deeea5f172c0fc61f78b5357b2a8e8be195f"
+checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
 
 [[package]]
 name = "atty"
-version = "0.2.11"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
+ "hermit-abi",
  "libc",
- "termion",
  "winapi",
 ]
 
 [[package]]
 name = "autocfg"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bincode"
@@ -83,9 +83,9 @@ dependencies = [
 
 [[package]]
 name = "bstr"
-version = "0.2.13"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31accafdb70df7871592c058eca3985b71104e15ac32f64706022c58867da931"
+checksum = "473fc6b38233f9af7baa94fb5852dca389e3d95b8e21c8e3719301462c5d9faf"
 dependencies = [
  "lazy_static",
  "memchr",
@@ -116,9 +116,9 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
 
 [[package]]
 name = "cast"
@@ -131,9 +131,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.54"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bbb73db36c1246e9034e307d0fba23f9a2e251faa47ade70c1bd252220c8311"
+checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
 dependencies = [
  "jobserver",
 ]
@@ -183,9 +183,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.33.1"
+version = "2.33.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
+checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
 dependencies = [
  "bitflags",
  "term_size",
@@ -195,9 +195,9 @@ dependencies = [
 
 [[package]]
 name = "const_fn"
-version = "0.4.2"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce90df4c658c62f12d78f7508cf92f9173e5184a539c10bfe54a3107b3ffd0f2"
+checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
 
 [[package]]
 name = "cow-utils"
@@ -207,11 +207,11 @@ checksum = "79bb3adfaf5f75d24b01aee375f7555907840fa2800e5ec8fa3b9e2031830173"
 
 [[package]]
 name = "crc32fast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -257,31 +257,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils 0.8.1",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
+checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
+ "cfg-if 1.0.0",
  "crossbeam-epoch",
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
+ "crossbeam-utils 0.8.1",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
+checksum = "a1aaa739f95311c2c7887a76863f500026092fb1dce0161dab577e559ef3569d"
 dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "crossbeam-utils 0.7.2",
+ "cfg-if 1.0.0",
+ "const_fn",
+ "crossbeam-utils 0.8.1",
  "lazy_static",
- "maybe-uninit",
  "memoffset",
  "scopeguard",
 ]
@@ -295,16 +294,6 @@ dependencies = [
  "crossbeam-utils 0.6.6",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab6bffe714b6bb07e42f201352c34f51fefd355ace793f9e638ebd52d23f98d2"
-dependencies = [
- "cfg-if 0.1.10",
- "crossbeam-utils 0.7.2",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.6"
@@ -317,32 +306,20 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
-dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec91540d98355f690a86367e566ecad2e9e579f230230eb7c21398372be73ea5"
+checksum = "02d96d1e189ef58269ebe5b97953da3274d83a93af647c2ddd6f9dab28cedb8d"
 dependencies = [
  "autocfg",
  "cfg-if 1.0.0",
- "const_fn",
  "lazy_static",
 ]
 
 [[package]]
 name = "csv"
-version = "1.1.3"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00affe7f6ab566df61b4be3ce8cf16bc2576bca0963ceb0955e45d514bf9a279"
+checksum = "f9d58633299b24b515ac72a3f869f8b91306a3cec616a602843a383acd6f9e97"
 dependencies = [
  "bstr",
  "csv-core",
@@ -389,11 +366,11 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "flate2"
-version = "1.0.17"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "766d0e77a2c1502169d4a93ff3b8c15a71fd946cd0126309752104e5f3c46d94"
+checksum = "7411863d55df97a419aa64cb4d2f167103ea9d767e2c54a1868b7ac3f6b47129"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "crc32fast",
  "libc",
  "miniz_oxide",
@@ -411,9 +388,9 @@ dependencies = [
 
 [[package]]
 name = "fs_extra"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f2a4a2034423744d2cc7ca2068453168dcdb82c438419e639a26bd87839c674"
+checksum = "2022715d62ab30faffd124d40b76f4134a550a87792276512b18d63272333394"
 
 [[package]]
 name = "fst"
@@ -441,15 +418,26 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.14"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.1+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.0"
@@ -472,9 +460,9 @@ dependencies = [
 
 [[package]]
 name = "half"
-version = "1.6.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d36fab90f82edc3c747f9d438e06cf0a491055896f2a279638bb5beed6c40177"
+checksum = "62aca2aba2d62b4a7f5b33f3712cb1b0692779a56fb510499d5c0aa594daeaf3"
 
 [[package]]
 name = "hashbrown"
@@ -494,18 +482,18 @@ checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
 [[package]]
 name = "heck"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
+checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
 dependencies = [
  "unicode-segmentation",
 ]
 
 [[package]]
 name = "heed"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eaba3b0edee6a9cd551f24caca2027922b03259f7203a15f0b86af4c1348fcc"
+checksum = "afcc6c911acaadad3ebe9f1ef1707d80bd71c92037566f47b6238a03b60adf1a"
 dependencies = [
  "byteorder",
  "heed-traits",
@@ -540,9 +528,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.13"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91780f809e750b0a89f5544be56617ff6b1227ee485bcb06ebe10cdf89bd3b71"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
 dependencies = [
  "libc",
 ]
@@ -566,9 +554,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
+checksum = "4fb1fa934250de4de8aef298d81c729a7d33d8c239daa3a7575e6b92bfc7313b"
 dependencies = [
  "autocfg",
  "hashbrown 0.9.1",
@@ -585,9 +573,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.5"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
+checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "jemalloc-sys"
@@ -636,9 +624,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca059e81d9486668f12d455a4ea6daa600bd408134cd17e3d3fb5a32d1f016f8"
+checksum = "cf3d7383929f7c9c7c2d0fa596f325832df98c3704f2c60553080f7127a58175"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -660,15 +648,15 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.80"
+version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
+checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "linked-hash-map"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
 [[package]]
 name = "lmdb-rkv-sys"
@@ -683,9 +671,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.11"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "fcf3805d4480bb5b86070dcfeb9e2cb2ebc148adb753c5cca5f884d1d65a42b2"
 dependencies = [
  "cfg-if 0.1.10",
 ]
@@ -702,12 +690,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "meilisearch-tokenizer"
 version = "0.1.1"
@@ -726,9 +708,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.3.3"
+version = "2.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
+checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
 name = "memmap"
@@ -742,9 +724,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.5.4"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
+checksum = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
 dependencies = [
  "autocfg",
 ]
@@ -799,11 +781,12 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.0"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be0f75932c1f6cfae3c04000e40114adf955636e19040f9c0a2c380702aa1c7f"
+checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
  "adler",
+ "autocfg",
 ]
 
 [[package]]
@@ -816,13 +799,13 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85db2feff6bf70ebc3a4793191517d5f0331100a2f10f9bf93b5e5214f32b7b7"
+checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
 ]
 
@@ -855,17 +838,11 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "numtoa"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
-
 [[package]]
 name = "obkv"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce30a214135d83e7250f2e8fad781f7cb987e3a3f1b4529712d891594bda311c"
+checksum = "ddd8a5a0aa2f3adafe349259a5b3e21a19c388b792414c1161d60a69c1fa48e8"
 
 [[package]]
 name = "once_cell"
@@ -875,9 +852,9 @@ checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
 
 [[package]]
 name = "oorandom"
-version = "11.1.2"
+version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a170cebd8021a008ea92e4db85a72f80b35df514ec664b296fdcbb654eac0b2c"
+checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
 [[package]]
 name = "opaque-debug"
@@ -887,9 +864,9 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "ordered-float"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fe9037165d7023b1228bc4ae9a2fa1a2b0095eca6c2998c624723dfd01314a5"
+checksum = "dacdec97876ef3ede8c50efc429220641a0b11ba0048b4b0c357bccbc47c5204"
 dependencies = [
  "num-traits",
 ]
@@ -987,7 +964,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
  "phf_shared",
- "rand",
+ "rand 0.7.3",
 ]
 
 [[package]]
@@ -1019,15 +996,15 @@ dependencies = [
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "proc-macro-error"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98e9e4b82e0ef281812565ea4751049f1bdcdfccda7d3f459f2e138a40c08678"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
@@ -1038,14 +1015,12 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f5444ead4e9935abd7f27dc51f7e852a0569ac888096d5ec2499470794e2e53"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "syn-mid",
  "version_check",
 ]
 
@@ -1060,9 +1035,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.6"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54a21852a652ad6f610c9510194f398ff6f8692e334fd1145fed931f7fbe44ea"
+checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
  "proc-macro2",
 ]
@@ -1073,14 +1048,26 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
  "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
+ "rand_hc 0.2.0",
  "rand_pcg",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18519b42a40024d661e1714153e9ad0c3de27cd495760ceb09710920f1098b1e"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.1",
+ "rand_hc 0.3.0",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -1088,7 +1075,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.1",
 ]
 
 [[package]]
@@ -1097,7 +1094,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
+dependencies = [
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -1106,7 +1112,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core 0.6.1",
 ]
 
 [[package]]
@@ -1115,14 +1130,14 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
 name = "rayon"
-version = "1.3.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
+checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
  "autocfg",
  "crossbeam-deque",
@@ -1132,37 +1147,31 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.7.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
+checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
+ "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-queue 0.2.2",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils 0.8.1",
  "lazy_static",
  "num_cpus",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
-
-[[package]]
-name = "redox_termios"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
+checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
 dependencies = [
- "redox_syscall",
+ "bitflags",
 ]
 
 [[package]]
 name = "regex"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
+checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1181,15 +1190,15 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.21"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
+checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
 
 [[package]]
 name = "remove_dir_all"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
  "winapi",
 ]
@@ -1202,9 +1211,9 @@ checksum = "21215c1b9d8f7832b433255bd9eea3e2779aa55b21b2f8e13aad62c74749b237"
 
 [[package]]
 name = "roaring"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99a260b0fb7df2095948f4a1d37afe5d1a08a2ccc7380f418cec049dc9560077"
+checksum = "f12bdbc3b9b2fd12148ee9f97f9e36438f1e84d3ce47fec0ad6b4bfbb62b3a35"
 dependencies = [
  "byteorder",
 ]
@@ -1220,9 +1229,9 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "same-file"
@@ -1256,9 +1265,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.117"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+checksum = "166b2349061381baf54a58e4b13c89369feb0ef2eaa57198899e2312aac30aab"
 dependencies = [
  "serde_derive",
 ]
@@ -1275,9 +1284,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.117"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
+checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1286,9 +1295,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.59"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcac07dbffa1c65e7f816ab9eba78eb142c6d44410f4eeba1e26e4f5dfa56b95"
+checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
 dependencies = [
  "indexmap",
  "itoa",
@@ -1332,21 +1341,21 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "snap"
-version = "1.0.1"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da73c8f77aebc0e40c300b93f0a5f1bece7a248a36eee287d4e095f35c7b7d6e"
+checksum = "98d3306e84bf86710d6cd8b4c9c3b721d5454cc91a603180f8f8cd06cfd317b4"
 
 [[package]]
 name = "stderrlog"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b02f316286ae558d83acc93dd81eaba096e746987a7961d4a9ae026842bae67f"
+checksum = "45a53e2eff3e94a019afa6265e8ee04cb05b9d33fe9f5078b14e4e391d155a38"
 dependencies = [
  "atty",
  "chrono",
@@ -1357,9 +1366,9 @@ dependencies = [
 
 [[package]]
 name = "structopt"
-version = "0.3.14"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "863246aaf5ddd0d6928dfeb1a9ca65f505599e4e1b399935ef7e75107516b4ef"
+checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
 dependencies = [
  "clap",
  "lazy_static",
@@ -1368,9 +1377,9 @@ dependencies = [
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.7"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d239ca4b13aee7a2142e6795cbd69e457665ff8037aed33b3effdc430d2f927a"
+checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -1381,33 +1390,22 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.45"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea9c5432ff16d6152371f808fb5a871cd67368171b09bb21b43df8e4a47a3556"
+checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-xid",
 ]
 
-[[package]]
-name = "syn-mid"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "synchronoise"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d717ed0efc9d39ab3b642a096bc369a3e02a38a51c41845d7fe31bdad1d6eaeb"
 dependencies = [
- "crossbeam-queue 0.1.2",
+ "crossbeam-queue",
 ]
 
 [[package]]
@@ -1424,13 +1422,13 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "rand",
+ "rand 0.8.2",
  "redox_syscall",
  "remove_dir_all",
  "winapi",
@@ -1448,25 +1446,13 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.0"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
+checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
 dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "termion"
-version = "1.5.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
-dependencies = [
- "libc",
- "numtoa",
- "redox_syscall",
- "redox_termios",
-]
-
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -1488,20 +1474,19 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.44"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi",
 ]
 
 [[package]]
 name = "tinytemplate"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d3dc76004a03cec1c5932bca4cdc2e39aaa798e3f82363dd94f9adf6098c12f"
+checksum = "a2ada8616fad06a2d0c455adc530de4ef57605a8120cc65da9653e0e9623ca74"
 dependencies = [
  "serde",
  "serde_json",
@@ -1509,9 +1494,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f331a553cacb14e99d183e5573c86044dd177b5a5277b21e562fd1bd5e1076e1"
+checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -1545,30 +1530,30 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.12"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
+checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
 dependencies = [
- "smallvec",
+ "tinyvec",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.6.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
+checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "url"
@@ -1590,11 +1575,11 @@ checksum = "9071ac216321a4470a69fb2b28cfc68dcd1a39acd877c8be8e014df6772d8efa"
 
 [[package]]
 name = "uuid"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "rand",
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -1622,25 +1607,25 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
 name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
+version = "0.10.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
+checksum = "3cd364751395ca0f68cafb17666eee36b63077fb5ecd972bbcd74c90c4bf736e"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
+checksum = "1114f89ab1f4106e5b55e688b828c0ab0ea593a1ea7c094b141b14cbaaec2d62"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1653,9 +1638,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
+checksum = "7a6ac8995ead1f084a8dea1e65f194d0973800c7f571f6edd70adf06ecf77084"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1663,9 +1648,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
+checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1676,15 +1661,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.68"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
+checksum = "7e7811dd7f9398f14cc76efd356f98f03aa30419dea46aa810d71e819fc97158"
 
 [[package]]
 name = "web-sys"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bf6ef87ad7ae8008e15a355ce696bed26012b7caa21605188cfd8214ab51e2d"
+checksum = "222b1ef9334f92a21d3fb53dc3fd80f30836959a90f9274a626d7e06315ba3c3"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -1701,9 +1686,9 @@ dependencies = [
 
 [[package]]
 name = "winapi"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
@@ -1753,18 +1738,18 @@ dependencies = [
 
 [[package]]
 name = "zstd"
-version = "0.5.3+zstd.1.4.5"
+version = "0.5.4+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01b32eaf771efa709e8308605bbf9319bf485dc1503179ec0469b611937c0cd8"
+checksum = "69996ebdb1ba8b1517f61387a883857818a66c8a295f487b1ffd8fd9d2c82910"
 dependencies = [
  "zstd-safe",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "2.0.5+zstd.1.4.5"
+version = "2.0.6+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cfb642e0d27f64729a639c52db457e0ae906e7bc6f5fe8f5c453230400f1055"
+checksum = "98aa931fb69ecee256d44589d19754e61851ae4769bf963b385119b1cc37a49e"
 dependencies = [
  "libc",
  "zstd-sys",
@@ -1772,9 +1757,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "1.4.17+zstd.1.4.5"
+version = "1.4.18+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b89249644df056b522696b1bb9e7c18c87e8ffa3e2f0dc3b0155875d6498f01b"
+checksum = "a1e6e8778706838f43f771d80d37787cb2fe06dafe89dd3aebaf6721b9eaec81"
 dependencies = [
  "cc",
  "glob",
diff --git a/http-ui/Cargo.lock b/http-ui/Cargo.lock
index 0fd03a6eb..04f33336f 100644
--- a/http-ui/Cargo.lock
+++ b/http-ui/Cargo.lock
@@ -23,15 +23,21 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.34"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf8dcb5b4bbaa28653b647d8c77bd4ed40183b48882e130c1f1ffb73de069fd7"
+checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
+
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "askama"
-version = "0.10.3"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70a6e7ebd44d0047fd48206c83c5cd3214acc7b9d87f001da170145c47ef7d12"
+checksum = "d298738b6e47e1034e560e5afe63aa488fea34e25ec11b855a76f0d7b8e73134"
 dependencies = [
  "askama_derive",
  "askama_escape",
@@ -42,13 +48,12 @@ dependencies = [
 
 [[package]]
 name = "askama_derive"
-version = "0.10.3"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d7169690c4f56343dcd821ab834972a22570a2662a19a84fd7775d5e1c3881"
+checksum = "ca2925c4c290382f9d2fa3d1c1b6a63fa1427099721ecca4749b154cc9c25522"
 dependencies = [
  "askama_shared",
  "proc-macro2",
- "quote",
  "syn",
 ]
 
@@ -60,9 +65,9 @@ checksum = "90c108c1a94380c89d2215d0ac54ce09796823cca0fd91b299cfff3b33e346fb"
 
 [[package]]
 name = "askama_shared"
-version = "0.10.4"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62fc272363345c8cdc030e4c259d9d028237f8b057dc9bb327772a257bde6bb5"
+checksum = "2582b77e0f3c506ec4838a25fa8a5f97b9bed72bb6d3d272ea1c031d8bd373bc"
 dependencies = [
  "askama_escape",
  "humansize",
@@ -97,12 +102,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -115,6 +114,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
 [[package]]
 name = "bincode"
 version = "1.3.1"
@@ -131,6 +136,18 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.19.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7ba35e9565969edb811639dbebfe34edc0368e472c5018474c8eb2543397f81"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -200,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
 
 [[package]]
 name = "bytes"
@@ -211,10 +228,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
-name = "cc"
-version = "1.0.61"
+name = "bytes"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed67cbde08356238e75fc4656be4749481eeffb09e19f320a25237d5221c985d"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
+
+[[package]]
+name = "cc"
+version = "1.0.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
 dependencies = [
  "jobserver",
 ]
@@ -274,20 +297,11 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "const_fn"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c478836e029dcef17fb47c89023448c64f781a046e0300e257ad8225ae59afab"
+checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
 
 [[package]]
 name = "cow-utils"
@@ -317,7 +331,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils 0.8.1",
 ]
 
 [[package]]
@@ -328,18 +342,18 @@ checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-epoch",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils 0.8.1",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0f606a85340376eef0d6d8fec399e6d4a544d648386c6645eb6d0653b27d9f"
+checksum = "a1aaa739f95311c2c7887a76863f500026092fb1dce0161dab577e559ef3569d"
 dependencies = [
  "cfg-if 1.0.0",
  "const_fn",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils 0.8.1",
  "lazy_static",
  "memoffset",
  "scopeguard",
@@ -366,21 +380,20 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec91540d98355f690a86367e566ecad2e9e579f230230eb7c21398372be73ea5"
+checksum = "02d96d1e189ef58269ebe5b97953da3274d83a93af647c2ddd6f9dab28cedb8d"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "cfg-if 1.0.0",
- "const_fn",
  "lazy_static",
 ]
 
 [[package]]
 name = "csv"
-version = "1.1.4"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc4666154fd004af3fd6f1da2e81a96fd5a81927fe8ddb6ecc79e2aa6e138b54"
+checksum = "f9d58633299b24b515ac72a3f869f8b91306a3cec616a602843a383acd6f9e97"
 dependencies = [
  "bstr",
  "csv-core",
@@ -424,9 +437,9 @@ dependencies = [
 
 [[package]]
 name = "dtoa"
-version = "0.4.6"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134951f4028bdadb9b84baf4232681efbf277da25144b9b0ad65df75946c422b"
+checksum = "88d7ed2934d741c6b37e33e3832298e8850b53fd2d2bea03873375596c7cea4e"
 
 [[package]]
 name = "either"
@@ -480,12 +493,6 @@ version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d79238883cf0307100b90aba4a755d8051a3182305dfe7f649a1e9dc0517006f"
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -503,10 +510,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
-name = "futures"
-version = "0.3.7"
+name = "funty"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95314d38584ffbfda215621d723e0a3906f032e03ae5551e650058dac83d4797"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
+[[package]]
+name = "futures"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da9052a1a50244d8d5aa9bf55cbc2fb6f357c86cc52e46c62ed390a7180cf150"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -519,9 +532,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0448174b01148032eed37ac4aed28963aaaa8cfa93569a08e5b479bbc6c2c151"
+checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -529,15 +542,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18eaa56102984bed2c88ea39026cff3ce3b4c7f508ca970cedf2450ea10d4e46"
+checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5f8e0c9258abaea85e78ebdda17ef9666d390e987f006be6080dfe354b708cb"
+checksum = "e9e59fdc009a4b3096bf94f740a0f2424c082521f20a9b08c5c07c48d90fd9b9"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -546,15 +559,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e1798854a4727ff944a7b12aa999f58ce7aa81db80d2dfaaf2ba06f065ddd2b"
+checksum = "28be053525281ad8259d47e4de5de657b25e7bac113458555bb4b70bc6870500"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36fccf3fc58563b4a14d265027c627c3b665d7fed489427e88e7cc929559efe"
+checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
@@ -564,24 +577,24 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e3ca3f17d6e8804ae5d3df7a7d35b2b3a6fe89dac84b31872720fc3060a0b11"
+checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
 
 [[package]]
 name = "futures-task"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96d502af37186c4fef99453df03e374683f8a1eec9dcc1e66b3b82dc8278ce3c"
+checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
 dependencies = [
  "once_cell",
 ]
 
 [[package]]
 name = "futures-util"
-version = "0.3.7"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abcb44342f62e6f3e8ac427b8aa815f724fd705dfad060b18ac7866c15bb8e34"
+checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -590,7 +603,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project 1.0.1",
+ "pin-project-lite 0.2.4",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -627,15 +640,26 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.15"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.1+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.0"
@@ -662,7 +686,7 @@ version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -683,7 +707,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96282e96bfcd3da0d3aa9938bedf1e50df3269b6db08b4876d2da0bb1a0841cf"
 dependencies = [
  "ahash",
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -694,13 +718,13 @@ checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
 [[package]]
 name = "headers"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed18eb2459bf1a09ad2d6b1547840c3e5e62882fa09b9a6a20b1de8e3228848f"
+checksum = "62689dc57c7456e69712607ffcbd0aa1dfcccf9af73727e9b25bc1825375cac3"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "bitflags",
- "bytes",
+ "bytes 1.0.1",
  "headers-core",
  "http",
  "mime",
@@ -719,18 +743,18 @@ dependencies = [
 
 [[package]]
 name = "heck"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
+checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
 dependencies = [
  "unicode-segmentation",
 ]
 
 [[package]]
 name = "heed"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eaba3b0edee6a9cd551f24caca2027922b03259f7203a15f0b86af4c1348fcc"
+checksum = "afcc6c911acaadad3ebe9f1ef1707d80bd71c92037566f47b6238a03b60adf1a"
 dependencies = [
  "byteorder",
  "heed-traits",
@@ -739,6 +763,7 @@ dependencies = [
  "lmdb-rkv-sys",
  "once_cell",
  "page_size",
+ "serde",
  "synchronoise",
  "url",
  "zerocopy",
@@ -765,20 +790,20 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "http"
-version = "0.2.1"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
+checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
 dependencies = [
- "bytes",
+ "bytes 1.0.1",
  "fnv",
  "itoa",
 ]
@@ -789,7 +814,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "http",
 ]
 
@@ -801,7 +826,7 @@ dependencies = [
  "askama",
  "askama_warp",
  "byte-unit",
- "bytes",
+ "bytes 0.5.6",
  "flate2",
  "fst",
  "futures",
@@ -852,7 +877,7 @@ version = "0.13.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6ad767baac13b44d4529fcf58ba2cd0995e36e7b435bc5b039de6f47e880dbf"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -862,7 +887,7 @@ dependencies = [
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.1",
+ "pin-project 1.0.4",
  "socket2",
  "tokio",
  "tower-service",
@@ -883,11 +908,11 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
+checksum = "4fb1fa934250de4de8aef298d81c729a7d33d8c239daa3a7575e6b92bfc7313b"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "hashbrown 0.9.1",
 ]
 
@@ -897,7 +922,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19a8a95243d5a0398cae618ec29477c6e3cb631152be5c19481f80bc71559754"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
 ]
 
 [[package]]
@@ -920,9 +945,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.6"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "jemalloc-sys"
@@ -995,16 +1020,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "libc"
-version = "0.2.80"
+name = "lexical-core"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
+checksum = "db65c6da02e61f55dae90a0ae427b2a5f6b3e8db09f58d10efab23af92592616"
+dependencies = [
+ "arrayvec",
+ "bitflags",
+ "cfg-if 0.1.10",
+ "ryu",
+ "static_assertions",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "linked-hash-map"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
 [[package]]
 name = "lmdb-rkv-sys"
@@ -1019,9 +1057,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.11"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "fcf3805d4480bb5b86070dcfeb9e2cb2ebc148adb753c5cca5f884d1d65a42b2"
 dependencies = [
  "cfg-if 0.1.10",
 ]
@@ -1072,11 +1110,11 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.5.6"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
+checksum = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -1148,14 +1186,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
  "adler",
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.22"
+version = "0.6.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
 dependencies = [
  "cfg-if 0.1.10",
  "fuchsia-zircon",
@@ -1164,7 +1202,7 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.1",
+ "miow 0.2.2",
  "net2",
  "slab",
  "winapi 0.2.8",
@@ -1178,7 +1216,7 @@ checksum = "0840c1c50fd55e521b247f949c241c9997709f23bd7f023b9762cd561e935656"
 dependencies = [
  "log",
  "mio",
- "miow 0.3.5",
+ "miow 0.3.6",
  "winapi 0.3.9",
 ]
 
@@ -1195,9 +1233,9 @@ dependencies = [
 
 [[package]]
 name = "miow"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
+checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
 dependencies = [
  "kernel32-sys",
  "net2",
@@ -1207,9 +1245,9 @@ dependencies = [
 
 [[package]]
 name = "miow"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07b88fb9795d4d36d62a012dfbf49a8f5cf12751f36d31a9dbe66d528e58979e"
+checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
 dependencies = [
  "socket2",
  "winapi 0.3.9",
@@ -1217,9 +1255,9 @@ dependencies = [
 
 [[package]]
 name = "multipart"
-version = "0.17.0"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8209c33c951f07387a8497841122fc6f712165e3f9bda3e6be4645b58188f676"
+checksum = "d050aeedc89243f5347c3e237e3e13dc76fbe4ae3742a57b94dc14f69acf76d4"
 dependencies = [
  "buf_redux",
  "httparse",
@@ -1227,7 +1265,7 @@ dependencies = [
  "mime",
  "mime_guess",
  "quick-error",
- "rand 0.6.5",
+ "rand 0.7.3",
  "safemem",
  "tempfile",
  "twoway",
@@ -1238,14 +1276,14 @@ name = "near-proximity"
 version = "0.1.0"
 source = "git+https://github.com/Kerollmops/plane-sweep-proximity?rev=6608205#66082058537f6fe7709adc4690048d62f3c0e9b7"
 dependencies = [
- "tinyvec 1.0.1",
+ "tinyvec",
 ]
 
 [[package]]
 name = "net2"
-version = "0.2.35"
+version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ebc3ec692ed7c9a255596c67808dee269f64655d8baf7b4f0638e51ba1d6853"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
@@ -1254,22 +1292,24 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.19.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85db2feff6bf70ebc3a4793191517d5f0331100a2f10f9bf93b5e5214f32b7b7"
+checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
 ]
 
 [[package]]
 name = "nom"
-version = "5.1.2"
+version = "6.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
+checksum = "88034cfd6b4a0d54dd14f4a507eceee36c0b70e5a02236c4e4df571102be17f0"
 dependencies = [
+ "bitvec",
+ "lexical-core",
  "memchr",
  "version_check",
 ]
@@ -1280,7 +1320,7 @@ version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "num-traits",
 ]
 
@@ -1290,7 +1330,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -1329,9 +1369,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "ordered-float"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fe9037165d7023b1228bc4ae9a2fa1a2b0095eca6c2998c624723dfd01314a5"
+checksum = "dacdec97876ef3ede8c50efc429220641a0b11ba0048b4b0c357bccbc47c5204"
 dependencies = [
  "num-traits",
 ]
@@ -1452,11 +1492,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.1"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee41d838744f60d959d7074e3afb6b35c7456d0f61cad38a24e35e6553f73841"
+checksum = "95b70b68509f17aa2857863b6fa00bf21fc93674c7a8893de2f469f6aa7ca2f2"
 dependencies = [
- "pin-project-internal 1.0.1",
+ "pin-project-internal 1.0.4",
 ]
 
 [[package]]
@@ -1472,9 +1512,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.1"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81a4ffa594b66bff340084d4081df649a7dc049ac8d7fc458d8e628bfbbb2f86"
+checksum = "caa25a6393f22ce819b0f50e0be89287292fda8d425be38ee0ca14c4931d9e71"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1487,6 +1527,12 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439697af366c49a6d0a010c56a0d97685bc140ce0d377b13a2ea2aa42d64a827"
+
 [[package]]
 name = "pin-utils"
 version = "0.1.0"
@@ -1537,9 +1583,9 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro-nested"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
+checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
@@ -1558,31 +1604,18 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
-name = "rand"
-version = "0.6.5"
+name = "radium"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg 0.1.2",
- "rand_xorshift",
- "winapi 0.3.9",
-]
+checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
 [[package]]
 name = "rand"
@@ -1590,22 +1623,24 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc 0.2.0",
- "rand_pcg 0.2.1",
+ "rand_pcg",
 ]
 
 [[package]]
-name = "rand_chacha"
-version = "0.1.1"
+name = "rand"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+checksum = "18519b42a40024d661e1714153e9ad0c3de27cd495760ceb09710920f1098b1e"
 dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.1",
+ "rand_hc 0.3.0",
 ]
 
 [[package]]
@@ -1619,36 +1654,31 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_core"
-version = "0.3.1"
+name = "rand_chacha"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
- "rand_core 0.4.2",
+ "ppv-lite86",
+ "rand_core 0.6.1",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.16",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.1.0"
+name = "rand_core"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
 dependencies = [
- "rand_core 0.3.1",
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -1661,47 +1691,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_isaac"
-version = "0.1.1"
+name = "rand_hc"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
+ "rand_core 0.6.1",
 ]
 
 [[package]]
@@ -1713,22 +1708,13 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rayon"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -1742,31 +1728,25 @@ checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-utils 0.8.0",
+ "crossbeam-utils 0.8.1",
  "lazy_static",
  "num_cpus",
 ]
 
 [[package]]
-name = "rdrand"
-version = "0.4.0"
+name = "redox_syscall"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
 dependencies = [
- "rand_core 0.3.1",
+ "bitflags",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.1.57"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
-
 [[package]]
 name = "regex"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
+checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1785,9 +1765,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.21"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
+checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
 
 [[package]]
 name = "remove_dir_all"
@@ -1806,9 +1786,9 @@ checksum = "21215c1b9d8f7832b433255bd9eea3e2779aa55b21b2f8e13aad62c74749b237"
 
 [[package]]
 name = "roaring"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99a260b0fb7df2095948f4a1d37afe5d1a08a2ccc7380f418cec049dc9560077"
+checksum = "f12bdbc3b9b2fd12148ee9f97f9e36438f1e84d3ce47fec0ad6b4bfbb62b3a35"
 dependencies = [
  "byteorder",
 ]
@@ -1839,18 +1819,18 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "serde"
-version = "1.0.117"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+checksum = "166b2349061381baf54a58e4b13c89369feb0ef2eaa57198899e2312aac30aab"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.117"
+version = "1.0.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
+checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1859,9 +1839,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.59"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcac07dbffa1c65e7f816ab9eba78eb142c6d44410f4eeba1e26e4f5dfa56b95"
+checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
 dependencies = [
  "indexmap",
  "itoa",
@@ -1908,9 +1888,9 @@ dependencies = [
 
 [[package]]
 name = "signal-hook-registry"
-version = "1.2.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce32ea0c6c56d5eacaeb814fbed9960547021d3edd010ded1425f180536b20ab"
+checksum = "16f1d0fef1604ba8f7a073c7e701f213e056707210e9020af4528e0101ce11a6"
 dependencies = [
  "libc",
 ]
@@ -1945,33 +1925,38 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.2"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "snap"
-version = "1.0.1"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da73c8f77aebc0e40c300b93f0a5f1bece7a248a36eee287d4e095f35c7b7d6e"
+checksum = "98d3306e84bf86710d6cd8b4c9c3b721d5454cc91a603180f8f8cd06cfd317b4"
 
 [[package]]
 name = "socket2"
-version = "0.3.15"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
+checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
  "winapi 0.3.9",
 ]
 
 [[package]]
-name = "stderrlog"
-version = "0.5.0"
+name = "static_assertions"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b02f316286ae558d83acc93dd81eaba096e746987a7961d4a9ae026842bae67f"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "stderrlog"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45a53e2eff3e94a019afa6265e8ee04cb05b9d33fe9f5078b14e4e391d155a38"
 dependencies = [
  "atty",
  "chrono",
@@ -1982,9 +1967,9 @@ dependencies = [
 
 [[package]]
 name = "structopt"
-version = "0.3.20"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "126d630294ec449fae0b16f964e35bf3c74f940da9dca17ee9b905f7b3112eb8"
+checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
 dependencies = [
  "clap",
  "lazy_static",
@@ -1993,9 +1978,9 @@ dependencies = [
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65e51c492f9e23a220534971ff5afc14037289de430e3c83f9daf6a1b6ae91e8"
+checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -2006,9 +1991,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.48"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
+checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2037,14 +2022,20 @@ dependencies = [
 ]
 
 [[package]]
-name = "tempfile"
-version = "3.1.0"
+name = "tap"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "36474e732d1affd3a6ed582781b3683df3d0563714c59c39591e8ff707cf078e"
+
+[[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "rand 0.7.3",
+ "rand 0.8.2",
  "redox_syscall",
  "remove_dir_all",
  "winapi 0.3.9",
@@ -2062,9 +2053,9 @@ dependencies = [
 
 [[package]]
 name = "termcolor"
-version = "1.1.0"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
+checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
 dependencies = [
  "winapi-util",
 ]
@@ -2090,26 +2081,19 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.44"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "tinyvec"
-version = "0.3.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
-
-[[package]]
-name = "tinyvec"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b78a366903f506d2ad52ca8dc552102ffdd3e937ba8a227f024dc1d1eae28575"
+checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -2122,11 +2106,11 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "0.2.22"
+version = "0.2.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
+checksum = "099837d3464c16a808060bb3f02263b412f6fafcb5d01c533d309985fbeebe48"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "iovec",
@@ -2137,7 +2121,7 @@ dependencies = [
  "mio-named-pipes",
  "mio-uds",
  "num_cpus",
- "pin-project-lite",
+ "pin-project-lite 0.1.11",
  "signal-hook-registry",
  "slab",
  "tokio-macros",
@@ -2146,9 +2130,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2174,19 +2158,19 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-core",
  "futures-sink",
  "log",
- "pin-project-lite",
+ "pin-project-lite 0.1.11",
  "tokio",
 ]
 
 [[package]]
 name = "toml"
-version = "0.5.7"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cf45bb0bef80604d001caaec0d09da99611b3c0fd39d3080468875cdb65645"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
  "serde",
 ]
@@ -2199,13 +2183,13 @@ checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
 [[package]]
 name = "tracing"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
+checksum = "9f47026cdc4080c07e49b37087de021820269d996f581aac150ef9e5583eefe3"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "log",
- "pin-project-lite",
+ "pin-project-lite 0.2.4",
  "tracing-core",
 ]
 
@@ -2240,9 +2224,9 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0308d80d86700c5878b9ef6321f020f29b1bb9d5ff3cab25e75e23f3a492a23"
 dependencies = [
- "base64",
+ "base64 0.12.3",
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "http",
  "httparse",
  "input_buffer",
@@ -2294,18 +2278,18 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.13"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
+checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
 dependencies = [
- "tinyvec 0.3.4",
+ "tinyvec",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.6.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
 
 [[package]]
 name = "unicode-width"
@@ -2351,11 +2335,11 @@ checksum = "9071ac216321a4470a69fb2b28cfc68dcd1a39acd877c8be8e014df6772d8efa"
 
 [[package]]
 name = "uuid"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "rand 0.7.3",
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -2380,7 +2364,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f41be6df54c97904af01aa23e613d4521eed7ab23537cede692d4058f6449407"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures",
  "headers",
  "http",
@@ -2410,9 +2394,9 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
 name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
+version = "0.10.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
 
 [[package]]
 name = "whatlang"
@@ -2476,6 +2460,12 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
 [[package]]
 name = "zerocopy"
 version = "0.3.0"
@@ -2499,18 +2489,18 @@ dependencies = [
 
 [[package]]
 name = "zstd"
-version = "0.5.3+zstd.1.4.5"
+version = "0.5.4+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01b32eaf771efa709e8308605bbf9319bf485dc1503179ec0469b611937c0cd8"
+checksum = "69996ebdb1ba8b1517f61387a883857818a66c8a295f487b1ffd8fd9d2c82910"
 dependencies = [
  "zstd-safe",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "2.0.5+zstd.1.4.5"
+version = "2.0.6+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cfb642e0d27f64729a639c52db457e0ae906e7bc6f5fe8f5c453230400f1055"
+checksum = "98aa931fb69ecee256d44589d19754e61851ae4769bf963b385119b1cc37a49e"
 dependencies = [
  "libc",
  "zstd-sys",
@@ -2518,9 +2508,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "1.4.17+zstd.1.4.5"
+version = "1.4.18+zstd.1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b89249644df056b522696b1bb9e7c18c87e8ffa3e2f0dc3b0155875d6498f01b"
+checksum = "a1e6e8778706838f43f771d80d37787cb2fe06dafe89dd3aebaf6721b9eaec81"
 dependencies = [
  "cc",
  "glob",
diff --git a/http-ui/src/main.rs b/http-ui/src/main.rs
index 42e0b4518..366dbaa1e 100644
--- a/http-ui/src/main.rs
+++ b/http-ui/src/main.rs
@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::fmt::Display;
 use std::fs::{File, create_dir_all};
@@ -654,13 +653,13 @@ async fn main() -> anyhow::Result<()> {
 
             let mut documents = Vec::new();
             let fields_ids_map = index.fields_ids_map(&rtxn).unwrap();
-            let displayed_fields = match index.displayed_fields(&rtxn).unwrap() {
-                Some(fields) => Cow::Borrowed(fields),
-                None => Cow::Owned(fields_ids_map.iter().map(|(id, _)| id).collect()),
+            let displayed_fields = match index.displayed_fields_ids(&rtxn).unwrap() {
+                Some(fields) => fields,
+                None => fields_ids_map.iter().map(|(id, _)| id).collect(),
             };
             let attributes_to_highlight = match index.searchable_fields(&rtxn).unwrap() {
-                Some(fields) => fields.iter().flat_map(|id| fields_ids_map.name(*id)).map(ToOwned::to_owned).collect(),
-                None => fields_ids_map.iter().map(|(_, name)| name).map(ToOwned::to_owned).collect(),
+                Some(fields) => fields.into_iter().map(String::from).collect(),
+                None => fields_ids_map.iter().map(|(_, name)| name).map(String::from).collect(),
             };
 
             let stop_words = fst::Set::default();
@@ -690,9 +689,9 @@ async fn main() -> anyhow::Result<()> {
 
             let external_documents_ids = index.external_documents_ids(&rtxn).unwrap();
             let fields_ids_map = index.fields_ids_map(&rtxn).unwrap();
-            let displayed_fields = match index.displayed_fields(&rtxn).unwrap() {
-                Some(fields) => Cow::Borrowed(fields),
-                None => Cow::Owned(fields_ids_map.iter().map(|(id, _)| id).collect()),
+            let displayed_fields = match index.displayed_fields_ids(&rtxn).unwrap() {
+                Some(fields) => fields,
+                None => fields_ids_map.iter().map(|(id, _)| id).collect(),
             };
 
             match external_documents_ids.get(&id) {
diff --git a/src/criterion.rs b/src/criterion.rs
index ea82055f2..ead5b9da3 100644
--- a/src/criterion.rs
+++ b/src/criterion.rs
@@ -1,10 +1,12 @@
-use crate::{FieldsIdsMap, FieldId};
+use std::collections::HashMap;
 
 use anyhow::{Context, bail};
 use regex::Regex;
 use serde::{Serialize, Deserialize};
 
-#[derive(Debug, Serialize, Deserialize, Copy, Clone, PartialEq, Eq)]
+use crate::facet::FacetType;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
 pub enum Criterion {
     /// Sorted by increasing number of typos.
     Typo,
@@ -21,13 +23,13 @@ pub enum Criterion {
     /// Sorted by the similarity of the matched words with the query words.
     Exactness,
     /// Sorted by the increasing value of the field specified.
-    Asc(FieldId),
+    Asc(String),
     /// Sorted by the decreasing value of the field specified.
-    Desc(FieldId),
+    Desc(String),
 }
 
 impl Criterion {
-    pub fn from_str(fields_ids_map: &mut FieldsIdsMap, txt: &str) -> anyhow::Result<Criterion> {
+    pub fn from_str(faceted_attributes: &HashMap<String, FacetType>, txt: &str) -> anyhow::Result<Criterion> {
         match txt {
             "typo" => Ok(Criterion::Typo),
             "words" => Ok(Criterion::Words),
@@ -40,22 +42,15 @@ impl Criterion {
                 let caps = re.captures(text).with_context(|| format!("unknown criterion name: {}", text))?;
                 let order = caps.get(1).unwrap().as_str();
                 let field_name = caps.get(2).unwrap().as_str();
-                let field_id = fields_ids_map.insert(field_name).context("field id limit reached")?;
+                faceted_attributes.get(field_name).with_context(|| format!("Can't use {:?} as a criterion as it isn't a faceted field.", field_name))?;
                 match order {
-                    "asc" => Ok(Criterion::Asc(field_id)),
-                    "desc" => Ok(Criterion::Desc(field_id)),
+                    "asc" => Ok(Criterion::Asc(field_name.to_string())),
+                    "desc" => Ok(Criterion::Desc(field_name.to_string())),
                     otherwise => bail!("unknown criterion name: {}", otherwise),
                 }
             },
         }
     }
-
-    pub fn field_id(&self) -> Option<FieldId> {
-        match *self {
-            Criterion::Asc(fid) | Criterion::Desc(fid) => Some(fid),
-            _ => None,
-        }
-    }
 }
 
 pub fn default_criteria() -> Vec<Criterion> {
diff --git a/src/index.rs b/src/index.rs
index 26ca4ae29..601816148 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -112,8 +112,8 @@ impl Index {
     /* primary key */
 
     /// Writes the documents primary key, this is the field name that is used to store the id.
-    pub fn put_primary_key(&self, wtxn: &mut RwTxn, primary_key: FieldId) -> heed::Result<()> {
-        self.main.put::<_, Str, OwnedType<FieldId>>(wtxn, PRIMARY_KEY_KEY, &primary_key)
+    pub fn put_primary_key(&self, wtxn: &mut RwTxn, primary_key: &str) -> heed::Result<()> {
+        self.main.put::<_, Str, Str>(wtxn, PRIMARY_KEY_KEY, &primary_key)
     }
 
     /// Deletes the primary key of the documents, this can be done to reset indexes settings.
@@ -122,8 +122,8 @@ impl Index {
     }
 
     /// Returns the documents primary key, `None` if it hasn't been defined.
-    pub fn primary_key(&self, rtxn: &RoTxn) -> heed::Result<Option<FieldId>> {
-        self.main.get::<_, Str, OwnedType<FieldId>>(rtxn, PRIMARY_KEY_KEY)
+    pub fn primary_key<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<&'t str>> {
+        self.main.get::<_, Str, Str>(rtxn, PRIMARY_KEY_KEY)
     }
 
     /* external documents ids */
@@ -175,10 +175,10 @@ impl Index {
 
     /* displayed fields */
 
-    /// Writes the fields ids that must be displayed in the defined order.
+    /// Writes the fields that must be displayed in the defined order.
     /// There must be not be any duplicate field id.
-    pub fn put_displayed_fields(&self, wtxn: &mut RwTxn, fields: &[FieldId]) -> heed::Result<()> {
-        self.main.put::<_, Str, ByteSlice>(wtxn, DISPLAYED_FIELDS_KEY, fields)
+    pub fn put_displayed_fields(&self, wtxn: &mut RwTxn, fields: &[&str]) -> heed::Result<()> {
+        self.main.put::<_, Str, SerdeBincode<&[&str]>>(wtxn, DISPLAYED_FIELDS_KEY, &fields)
     }
 
     /// Deletes the displayed fields ids, this will make the engine to display
@@ -187,18 +187,27 @@ impl Index {
         self.main.delete::<_, Str>(wtxn, DISPLAYED_FIELDS_KEY)
     }
 
-    /// Returns the displayed fields ids in the order they must be returned. If it returns
-    /// `None` it means that all the attributes are displayed in the order of the `FieldsIdsMap`.
-    pub fn displayed_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<&'t [FieldId]>> {
-        self.main.get::<_, Str, ByteSlice>(rtxn, DISPLAYED_FIELDS_KEY)
+    /// Returns the displayed fields in the order they were set by the user. If it returns
+    /// `None` it means that all the attributes are set as displayed in the order of the `FieldsIdsMap`.
+    pub fn displayed_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<Vec<&'t str>>> {
+        self.main.get::<_, Str, SerdeBincode<Vec<&'t str>>>(rtxn, DISPLAYED_FIELDS_KEY)
+    }
+
+    pub fn displayed_fields_ids(&self, rtxn: &RoTxn) -> heed::Result<Option<Vec<FieldId>>> {
+        let fields_ids_map = self.fields_ids_map(rtxn)?;
+        let ids = self.displayed_fields(rtxn)?
+            .map(|fields| fields
+                .into_iter()
+                .map(|name| fields_ids_map.id(name).expect("Field not found"))
+                .collect::<Vec<_>>());
+        Ok(ids)
     }
 
     /* searchable fields */
 
     /// Writes the searchable fields, when this list is specified, only these are indexed.
-    pub fn put_searchable_fields(&self, wtxn: &mut RwTxn, fields: &[FieldId]) -> heed::Result<()> {
-        assert!(fields.windows(2).all(|win| win[0] < win[1])); // is sorted
-        self.main.put::<_, Str, ByteSlice>(wtxn, SEARCHABLE_FIELDS_KEY, fields)
+    pub fn put_searchable_fields(&self, wtxn: &mut RwTxn, fields: &[&str]) -> heed::Result<()> {
+        self.main.put::<_, Str, SerdeBincode<&[&str]>>(wtxn, SEARCHABLE_FIELDS_KEY, &fields)
     }
 
     /// Deletes the searchable fields, when no fields are specified, all fields are indexed.
@@ -206,17 +215,36 @@ impl Index {
         self.main.delete::<_, Str>(wtxn, SEARCHABLE_FIELDS_KEY)
     }
 
-    /// Returns the searchable fields ids, those are the fields that are indexed,
+    /// Returns the searchable fields, those are the fields that are indexed,
     /// if the searchable fields aren't there it means that **all** the fields are indexed.
-    pub fn searchable_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<&'t [FieldId]>> {
-        self.main.get::<_, Str, ByteSlice>(rtxn, SEARCHABLE_FIELDS_KEY)
+    pub fn searchable_fields<'t>(&self, rtxn: &'t RoTxn) -> heed::Result<Option<Vec<&'t str>>> {
+        self.main.get::<_, Str, SerdeBincode<Vec<&'t str>>>(rtxn, SEARCHABLE_FIELDS_KEY)
+    }
+
+    /// Identical to `searchable_fields`, but returns the ids instead.
+    pub fn searchable_fields_ids(&self, rtxn: &RoTxn) -> heed::Result<Option<Vec<FieldId>>> {
+        match self.searchable_fields(rtxn)? {
+            Some(names) => {
+                let fields_map = self.fields_ids_map(rtxn)?;
+                let mut ids = Vec::new();
+                for name in names {
+                    let id = fields_map
+                        .id(name)
+                        .ok_or_else(|| format!("field id map must contain {:?}", name))
+                        .expect("corrupted data: ");
+                    ids.push(id);
+                }
+                Ok(Some(ids))
+            }
+            None => Ok(None),
+        }
     }
 
     /* faceted fields */
 
-    /// Writes the facet fields ids associated with their facet type or `None` if
+    /// Writes the facet fields associated with their facet type or `None` if
     /// the facet type is currently unknown.
-    pub fn put_faceted_fields(&self, wtxn: &mut RwTxn, fields_types: &HashMap<FieldId, FacetType>) -> heed::Result<()> {
+    pub fn put_faceted_fields(&self, wtxn: &mut RwTxn, fields_types: &HashMap<String, FacetType>) -> heed::Result<()> {
         self.main.put::<_, Str, SerdeJson<_>>(wtxn, FACETED_FIELDS_KEY, fields_types)
     }
 
@@ -225,9 +253,26 @@ impl Index {
         self.main.delete::<_, Str>(wtxn, FACETED_FIELDS_KEY)
     }
 
-    /// Returns the facet fields ids associated with their facet type.
-    pub fn faceted_fields(&self, wtxn: &RoTxn) -> heed::Result<HashMap<FieldId, FacetType>> {
-        Ok(self.main.get::<_, Str, SerdeJson<_>>(wtxn, FACETED_FIELDS_KEY)?.unwrap_or_default())
+    /// Returns the facet fields names associated with their facet type.
+    pub fn faceted_fields(&self, rtxn: &RoTxn) -> heed::Result<HashMap<String, FacetType>> {
+        Ok(self.main.get::<_, Str, SerdeJson<_>>(rtxn, FACETED_FIELDS_KEY)?.unwrap_or_default())
+    }
+
+    /// Same as `faceted_fields`, but returns ids instead.
+    pub fn faceted_fields_ids(&self, rtxn: &RoTxn) -> heed::Result<HashMap<FieldId, FacetType>> {
+        let faceted_fields = self.faceted_fields(rtxn)?;
+        let fields_ids_map = self.fields_ids_map(rtxn)?;
+        let faceted_fields = faceted_fields
+            .iter()
+            .map(|(k, v)| {
+                let kid = fields_ids_map
+                    .id(k)
+                    .ok_or_else(|| format!("{:?} should be present in the field id map", k))
+                    .expect("corrupted data: ");
+                (kid, *v)
+            })
+            .collect();
+        Ok(faceted_fields)
     }
 
     /* faceted documents ids */
diff --git a/src/search/facet/facet_condition.rs b/src/search/facet/facet_condition.rs
index 08e056549..92331ee7f 100644
--- a/src/search/facet/facet_condition.rs
+++ b/src/search/facet/facet_condition.rs
@@ -148,7 +148,7 @@ impl FacetCondition {
     ) -> anyhow::Result<FacetCondition>
     {
         let fields_ids_map = index.fields_ids_map(rtxn)?;
-        let faceted_fields = index.faceted_fields(rtxn)?;
+        let faceted_fields = index.faceted_fields_ids(rtxn)?;
         let lexed = FilterParser::parse(Rule::prgm, expression)?;
         FacetCondition::from_pairs(&fields_ids_map, &faceted_fields, lexed)
     }
@@ -552,15 +552,15 @@ mod tests {
         // Test that the facet condition is correctly generated.
         let rtxn = index.read_txn().unwrap();
         let condition = FacetCondition::from_str(&rtxn, &index, "channel = ponce").unwrap();
-        let expected = OperatorString(1, FacetStringOperator::equal("Ponce"));
+        let expected = OperatorString(0, FacetStringOperator::equal("Ponce"));
         assert_eq!(condition, expected);
 
         let condition = FacetCondition::from_str(&rtxn, &index, "channel != ponce").unwrap();
-        let expected = OperatorString(1, FacetStringOperator::not_equal("ponce"));
+        let expected = OperatorString(0, FacetStringOperator::not_equal("ponce"));
         assert_eq!(condition, expected);
 
         let condition = FacetCondition::from_str(&rtxn, &index, "NOT channel = ponce").unwrap();
-        let expected = OperatorString(1, FacetStringOperator::not_equal("ponce"));
+        let expected = OperatorString(0, FacetStringOperator::not_equal("ponce"));
         assert_eq!(condition, expected);
     }
 
@@ -581,13 +581,13 @@ mod tests {
         // Test that the facet condition is correctly generated.
         let rtxn = index.read_txn().unwrap();
         let condition = FacetCondition::from_str(&rtxn, &index, "timestamp 22 TO 44").unwrap();
-        let expected = OperatorI64(1, Between(22, 44));
+        let expected = OperatorI64(0, Between(22, 44));
         assert_eq!(condition, expected);
 
         let condition = FacetCondition::from_str(&rtxn, &index, "NOT timestamp 22 TO 44").unwrap();
         let expected = Or(
-            Box::new(OperatorI64(1, LowerThan(22))),
-            Box::new(OperatorI64(1, GreaterThan(44))),
+            Box::new(OperatorI64(0, LowerThan(22))),
+            Box::new(OperatorI64(0, GreaterThan(44))),
         );
         assert_eq!(condition, expected);
     }
diff --git a/src/search/mod.rs b/src/search/mod.rs
index 415a4cfed..45fd0d709 100644
--- a/src/search/mod.rs
+++ b/src/search/mod.rs
@@ -285,9 +285,13 @@ impl<'a> Search<'a> {
                 }
             }).next();
             match result {
-                Some((fid, is_ascending)) => {
-                    let faceted_fields = self.index.faceted_fields(self.rtxn)?;
-                    let ftype = *faceted_fields.get(&fid).context("unknown field id")?;
+                Some((attr_name, is_ascending)) => {
+                    let field_id_map = self.index.fields_ids_map(self.rtxn)?;
+                    let fid = field_id_map.id(&attr_name).with_context(|| format!("unknown field: {:?}", attr_name))?;
+                    let faceted_fields = self.index.faceted_fields_ids(self.rtxn)?;
+                    let ftype = *faceted_fields.get(&fid)
+                        .with_context(|| format!("{:?} not found in the faceted fields.", attr_name))
+                        .expect("corrupted data: ");
                     Some((fid, ftype, is_ascending))
                 },
                 None => None,
diff --git a/src/subcommand/infos.rs b/src/subcommand/infos.rs
index fc645899a..51d0492ce 100644
--- a/src/subcommand/infos.rs
+++ b/src/subcommand/infos.rs
@@ -342,7 +342,7 @@ fn biggest_value_sizes(index: &Index, rtxn: &heed::RoTxn, limit: usize) -> anyho
             if heap.len() > limit { heap.pop(); }
         }
 
-        let faceted_fields = index.faceted_fields(rtxn)?;
+        let faceted_fields = index.faceted_fields_ids(rtxn)?;
         let fields_ids_map = index.fields_ids_map(rtxn)?;
         for (field_id, field_type) in faceted_fields {
             let facet_name = fields_ids_map.name(field_id).unwrap();
@@ -413,7 +413,7 @@ fn words_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, words: Vec<Strin
 
 fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_name: String) -> anyhow::Result<()> {
     let fields_ids_map = index.fields_ids_map(&rtxn)?;
-    let faceted_fields = index.faceted_fields(&rtxn)?;
+    let faceted_fields = index.faceted_fields_ids(&rtxn)?;
 
     let field_id = fields_ids_map.id(&field_name)
         .with_context(|| format!("field {} not found", field_name))?;
@@ -451,7 +451,7 @@ fn facet_values_docids(index: &Index, rtxn: &heed::RoTxn, debug: bool, field_nam
 
 fn facet_stats(index: &Index, rtxn: &heed::RoTxn, field_name: String) -> anyhow::Result<()> {
     let fields_ids_map = index.fields_ids_map(&rtxn)?;
-    let faceted_fields = index.faceted_fields(&rtxn)?;
+    let faceted_fields = index.faceted_fields_ids(&rtxn)?;
 
     let field_id = fields_ids_map.id(&field_name)
         .with_context(|| format!("field {} not found", field_name))?;
diff --git a/src/subcommand/search.rs b/src/subcommand/search.rs
index b073ceae9..d816c47fe 100644
--- a/src/subcommand/search.rs
+++ b/src/subcommand/search.rs
@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use std::io::{self, BufRead, Write};
 use std::iter::once;
 use std::path::PathBuf;
@@ -47,9 +46,9 @@ pub fn run(opt: Opt) -> anyhow::Result<()> {
     let index = Index::new(options, &opt.database)?;
     let rtxn = index.read_txn()?;
     let fields_ids_map = index.fields_ids_map(&rtxn)?;
-    let displayed_fields = match index.displayed_fields(&rtxn)? {
-        Some(fields) => Cow::Borrowed(fields),
-        None => Cow::Owned(fields_ids_map.iter().map(|(id, _)| id).collect()),
+    let displayed_fields = match index.displayed_fields_ids(&rtxn)? {
+        Some(fields) => fields,
+        None => fields_ids_map.iter().map(|(id, _)| id).collect(),
     };
 
     let stdin = io::stdin();
diff --git a/src/update/clear_documents.rs b/src/update/clear_documents.rs
index a6e54c5e8..ac359ba0d 100644
--- a/src/update/clear_documents.rs
+++ b/src/update/clear_documents.rs
@@ -25,7 +25,7 @@ impl<'t, 'u, 'i> ClearDocuments<'t, 'u, 'i> {
 
         // We retrieve the number of documents ids that we are deleting.
         let number_of_documents = self.index.number_of_documents(self.wtxn)?;
-        let faceted_fields = self.index.faceted_fields(self.wtxn)?;
+        let faceted_fields = self.index.faceted_fields_ids(self.wtxn)?;
 
         // We clean some of the main engine datastructures.
         self.index.put_words_fst(self.wtxn, &fst::Set::default())?;
diff --git a/src/update/delete_documents.rs b/src/update/delete_documents.rs
index a1d00de43..6dc4b1cfa 100644
--- a/src/update/delete_documents.rs
+++ b/src/update/delete_documents.rs
@@ -188,7 +188,7 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
         drop(iter);
 
         // Remove the documents ids from the faceted documents ids.
-        let faceted_fields = self.index.faceted_fields(self.wtxn)?;
+        let faceted_fields = self.index.faceted_fields_ids(self.wtxn)?;
         for (field_id, facet_type) in faceted_fields {
             let mut docids = self.index.faceted_documents_ids(self.wtxn, field_id)?;
             docids.difference_with(&self.documents_ids);
diff --git a/src/update/facets.rs b/src/update/facets.rs
index e26f030df..a268cbeaf 100644
--- a/src/update/facets.rs
+++ b/src/update/facets.rs
@@ -51,7 +51,7 @@ impl<'t, 'u, 'i> Facets<'t, 'u, 'i> {
 
     pub fn execute(self) -> anyhow::Result<()> {
         // We get the faceted fields to be able to create the facet levels.
-        let faceted_fields = self.index.faceted_fields(self.wtxn)?;
+        let faceted_fields = self.index.faceted_fields_ids(self.wtxn)?;
 
         debug!("Computing and writing the facet values levels docids into LMDB on disk...");
         for (field_id, facet_type) in faceted_fields {
diff --git a/src/update/index_documents/mod.rs b/src/update/index_documents/mod.rs
index 4af6301c2..90bc5ef3d 100644
--- a/src/update/index_documents/mod.rs
+++ b/src/update/index_documents/mod.rs
@@ -338,8 +338,8 @@ impl<'t, 'u, 'i, 'a> IndexDocuments<'t, 'u, 'i, 'a> {
             FacetLevel0ValuesDocids,
         }
 
-        let faceted_fields = self.index.faceted_fields(self.wtxn)?;
-        let searchable_fields: HashSet<_> = match self.index.searchable_fields(self.wtxn)? {
+        let faceted_fields = self.index.faceted_fields_ids(self.wtxn)?;
+        let searchable_fields: HashSet<_> = match self.index.searchable_fields_ids(self.wtxn)? {
             Some(fields) => fields.iter().copied().collect(),
             None => fields_ids_map.iter().map(|(id, _name)| id).collect(),
         };
@@ -485,7 +485,7 @@ impl<'t, 'u, 'i, 'a> IndexDocuments<'t, 'u, 'i, 'a> {
         self.index.put_fields_ids_map(self.wtxn, &fields_ids_map)?;
 
         // We write the primary key field id into the main database
-        self.index.put_primary_key(self.wtxn, primary_key)?;
+        self.index.put_primary_key(self.wtxn, &primary_key)?;
 
         // We write the external documents ids into the main database.
         self.index.put_external_documents_ids(self.wtxn, &external_documents_ids)?;
diff --git a/src/update/index_documents/transform.rs b/src/update/index_documents/transform.rs
index f44593c05..d53b83361 100644
--- a/src/update/index_documents/transform.rs
+++ b/src/update/index_documents/transform.rs
@@ -10,13 +10,15 @@ use log::info;
 use roaring::RoaringBitmap;
 use serde_json::{Map, Value};
 
-use crate::{BEU32, MergeFn, Index, FieldId, FieldsIdsMap, ExternalDocumentsIds};
+use crate::{Index, BEU32, MergeFn, FieldsIdsMap, ExternalDocumentsIds, FieldId};
 use crate::update::{AvailableDocumentsIds, UpdateIndexingStep};
 use super::merge_function::merge_two_obkvs;
 use super::{create_writer, create_sorter, IndexDocumentsMethod};
 
+const DEFAULT_PRIMARY_KEY_NAME: &str = "id";
+
 pub struct TransformOutput {
-    pub primary_key: FieldId,
+    pub primary_key: String,
     pub fields_ids_map: FieldsIdsMap,
     pub external_documents_ids: ExternalDocumentsIds<'static>,
     pub new_documents_ids: RoaringBitmap,
@@ -73,7 +75,6 @@ impl Transform<'_, '_> {
     {
         let mut fields_ids_map = self.index.fields_ids_map(self.rtxn)?;
         let external_documents_ids = self.index.external_documents_ids(self.rtxn).unwrap();
-        let primary_key = self.index.primary_key(self.rtxn)?;
 
         // Deserialize the whole batch of documents in memory.
         let mut documents: Peekable<Box<dyn Iterator<Item=serde_json::Result<Map<String, Value>>>>> = if is_stream {
@@ -88,27 +89,15 @@ impl Transform<'_, '_> {
         };
 
         // We extract the primary key from the first document in
-        // the batch if it hasn't already been defined in the index.
-        let primary_key = match primary_key {
-            Some(primary_key) => primary_key,
-            None => {
-                // We ignore a potential error here as we can't early return it now,
-                // the peek method gives us only a reference on the next item,
-                // we will eventually return it in the iteration just after.
-                let first = documents.peek().and_then(|r| r.as_ref().ok());
-                match first.and_then(|doc| doc.keys().find(|k| k.contains("id"))) {
-                    Some(key) => fields_ids_map.insert(&key).context("field id limit reached")?,
-                    None => {
-                        if !self.autogenerate_docids {
-                            // If there is no primary key in the current document batch, we must
-                            // return an error and not automatically generate any document id.
-                            return Err(anyhow!("missing primary key"))
-                        }
-                        fields_ids_map.insert("id").context("field id limit reached")?
-                    },
-                }
-            },
-        };
+        // the batch if it hasn't already been defined in the index
+        let first = documents.peek().and_then(|r| r.as_ref().ok());
+        let alternative_name = first.and_then(|doc| doc.keys().find(|k| k.contains(DEFAULT_PRIMARY_KEY_NAME)).cloned());
+        let (primary_key_id, primary_key) = compute_primary_key_pair(
+            self.index.primary_key(self.rtxn)?,
+            &mut fields_ids_map,
+            alternative_name,
+            self.autogenerate_docids
+        )?;
 
         if documents.peek().is_none() {
             return Ok(TransformOutput {
@@ -122,13 +111,6 @@ impl Transform<'_, '_> {
             });
         }
 
-        // Get the primary key field name now, this way we will
-        // be able to get the value in the JSON Map document.
-        let primary_key_name = fields_ids_map
-            .name(primary_key)
-            .expect("found the primary key name")
-            .to_owned();
-
         // We must choose the appropriate merge function for when two or more documents
         // with the same user id must be merged or fully replaced in the same batch.
         let merge_function = match self.index_documents_method {
@@ -170,7 +152,7 @@ impl Transform<'_, '_> {
 
             // We retrieve the user id from the document based on the primary key name,
             // if the document id isn't present we generate a uuid.
-            let external_id = match document.get(&primary_key_name) {
+            let external_id = match document.get(&primary_key) {
                 Some(value) => match value {
                     Value::String(string) => Cow::Borrowed(string.as_str()),
                     Value::Number(number) => Cow::Owned(number.to_string()),
@@ -196,7 +178,7 @@ impl Transform<'_, '_> {
                     serde_json::to_writer(&mut json_buffer, value)?;
                     writer.insert(field_id, &json_buffer)?;
                 }
-                else if field_id == primary_key {
+                else if field_id == primary_key_id {
                     // We validate the document id [a-zA-Z0-9\-_].
                     let external_id = match validate_document_id(&external_id) {
                         Some(valid) => valid,
@@ -240,42 +222,37 @@ impl Transform<'_, '_> {
 
         let mut csv = csv::Reader::from_reader(reader);
         let headers = csv.headers()?;
-        let primary_key = self.index.primary_key(self.rtxn)?;
 
-        // Generate the new fields ids based on the current fields ids and this CSV headers.
         let mut fields_ids = Vec::new();
+        // Generate the new fields ids based on the current fields ids and this CSV headers.
         for (i, header) in headers.iter().enumerate() {
             let id = fields_ids_map.insert(header).context("field id limit reached)")?;
             fields_ids.push((id, i));
         }
 
         // Extract the position of the primary key in the current headers, None if not found.
-        let external_id_pos = match primary_key {
+        let primary_key_pos = match self.index.primary_key(self.rtxn)? {
             Some(primary_key) => {
-                // Te primary key have is known so we must find the position in the CSV headers.
-                let name = fields_ids_map.name(primary_key).expect("found the primary key name");
-                headers.iter().position(|h| h == name)
+               // The primary key is known so we must find the position in the CSV headers.
+               headers.iter().position(|h| h == primary_key)
             },
             None => headers.iter().position(|h| h.contains("id")),
         };
 
-        // Returns the field id in the fileds ids map, create an "id" field
+        // Returns the field id in the fields ids map, create an "id" field
         // in case it is not in the current headers.
-        let primary_key_field_id = match external_id_pos {
-            Some(pos) => fields_ids_map.id(&headers[pos]).expect("found the primary key"),
-            None => {
-                if !self.autogenerate_docids {
-                    // If there is no primary key in the current document batch, we must
-                    // return an error and not automatically generate any document id.
-                    return Err(anyhow!("missing primary key"))
-                }
-                let field_id = fields_ids_map.insert("id").context("field id limit reached")?;
-                // We make sure to add the primary key field id to the fields ids,
-                // this way it is added to the obks.
-                fields_ids.push((field_id, usize::max_value()));
-                field_id
-            },
-        };
+        let alternative_name = primary_key_pos.map(|pos| headers[pos].to_string());
+        let (primary_key_id, _) = compute_primary_key_pair(
+            self.index.primary_key(self.rtxn)?,
+            &mut fields_ids_map,
+            alternative_name,
+            self.autogenerate_docids
+        )?;
+
+        // The primary key field is not present in the header, so we need to create it.
+        if primary_key_pos.is_none() {
+            fields_ids.push((primary_key_id, usize::max_value()));
+        }
 
         // We sort the fields ids by the fields ids map id, this way we are sure to iterate over
         // the records fields in the fields ids map order and correctly generate the obkv.
@@ -310,7 +287,7 @@ impl Transform<'_, '_> {
             }
 
             // We extract the user id if we know where it is or generate an UUID V4 otherwise.
-            let external_id = match external_id_pos {
+            let external_id = match primary_key_pos {
                 Some(pos) => {
                     let external_id = &record[pos];
                     // We validate the document id [a-zA-Z0-9\-_].
@@ -326,7 +303,7 @@ impl Transform<'_, '_> {
             // we return the generated document id instead of the record field.
             let iter = fields_ids.iter()
                 .map(|(fi, i)| {
-                    let field = if *fi == primary_key_field_id { external_id } else { &record[*i] };
+                    let field = if *fi == primary_key_id { external_id } else { &record[*i] };
                     (fi, field)
                 });
 
@@ -349,9 +326,13 @@ impl Transform<'_, '_> {
 
         // Now that we have a valid sorter that contains the user id and the obkv we
         // give it to the last transforming function which returns the TransformOutput.
+        let primary_key_name = fields_ids_map
+            .name(primary_key_id)
+            .map(String::from)
+            .expect("Primary key must be present in fields id map");
         self.output_from_sorter(
             sorter,
-            primary_key_field_id,
+            primary_key_name,
             fields_ids_map,
             documents_count,
             external_documents_ids,
@@ -365,7 +346,7 @@ impl Transform<'_, '_> {
     fn output_from_sorter<F>(
         self,
         sorter: grenad::Sorter<MergeFn>,
-        primary_key: FieldId,
+        primary_key: String,
         fields_ids_map: FieldsIdsMap,
         approximate_number_of_documents: usize,
         mut external_documents_ids: ExternalDocumentsIds<'_>,
@@ -477,11 +458,11 @@ impl Transform<'_, '_> {
     // TODO this can be done in parallel by using the rayon `ThreadPool`.
     pub fn remap_index_documents(
         self,
-        primary_key: FieldId,
-        fields_ids_map: FieldsIdsMap,
+        primary_key: String,
+        old_fields_ids_map: FieldsIdsMap,
+        new_fields_ids_map: FieldsIdsMap,
     ) -> anyhow::Result<TransformOutput>
     {
-        let current_fields_ids_map = self.index.fields_ids_map(self.rtxn)?;
         let external_documents_ids = self.index.external_documents_ids(self.rtxn)?;
         let documents_ids = self.index.documents_ids(self.rtxn)?;
         let documents_count = documents_ids.len() as usize;
@@ -499,8 +480,8 @@ impl Transform<'_, '_> {
             let mut obkv_writer = obkv::KvWriter::new(&mut obkv_buffer);
 
             // We iterate over the new `FieldsIdsMap` ids in order and construct the new obkv.
-            for (id, name) in fields_ids_map.iter() {
-                if let Some(val) = current_fields_ids_map.id(name).and_then(|id| obkv.get(id)) {
+            for (id, name) in new_fields_ids_map.iter() {
+                if let Some(val) = old_fields_ids_map.id(name).and_then(|id| obkv.get(id)) {
                     obkv_writer.insert(id, val)?;
                 }
             }
@@ -516,7 +497,7 @@ impl Transform<'_, '_> {
 
         Ok(TransformOutput {
             primary_key,
-            fields_ids_map,
+            fields_ids_map: new_fields_ids_map,
             external_documents_ids: external_documents_ids.into_static(),
             new_documents_ids: documents_ids,
             replaced_documents_ids: RoaringBitmap::default(),
@@ -526,6 +507,42 @@ impl Transform<'_, '_> {
     }
 }
 
+/// Given an optional primary key and an optional alternative name, returns the (field_id, attr_name)
+/// for the primary key according to the following rules:
+/// - if primary_key is `Some`, returns the id and the name, else
+/// - if alternative_name is Some, adds alternative to the fields_ids_map, and returns the pair, else
+/// - if autogenerate_docids is true, insert the default id value in the field ids map ("id") and
+/// returns the pair, else
+/// - returns an error.
+fn compute_primary_key_pair(
+    primary_key: Option<&str>,
+    fields_ids_map: &mut FieldsIdsMap,
+    alternative_name: Option<String>,
+    autogenerate_docids: bool,
+) -> anyhow::Result<(FieldId, String)> {
+    match primary_key {
+        Some(primary_key) => {
+            let id = fields_ids_map.id(primary_key).expect("primary key must be present in the fields id map");
+            Ok((id, primary_key.to_string()))
+        }
+        None => {
+            let name = match alternative_name {
+                Some(key) => key,
+                None => {
+                    if !autogenerate_docids {
+                        // If there is no primary key in the current document batch, we must
+                        // return an error and not automatically generate any document id.
+                        anyhow::bail!("missing primary key")
+                    }
+                    DEFAULT_PRIMARY_KEY_NAME.to_string()
+                },
+            };
+            let id = fields_ids_map.insert(&name).context("field id limit reached")?;
+            Ok((id, name))
+        },
+    }
+}
+
 /// Only the last value associated with an id is kept.
 fn keep_latest_obkv(_key: &[u8], obkvs: &[Cow<[u8]>]) -> anyhow::Result<Vec<u8>> {
     obkvs.last().context("no last value").map(|last| last.clone().into_owned())
@@ -552,3 +569,73 @@ fn validate_document_id(document_id: &str) -> Option<&str> {
         })
     })
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    mod compute_primary_key {
+        use super::compute_primary_key_pair;
+        use super::FieldsIdsMap;
+
+        #[test]
+        #[should_panic]
+        fn should_panic_primary_key_not_in_map() {
+            let mut fields_map = FieldsIdsMap::new();
+            let _result = compute_primary_key_pair(
+                Some("toto"),
+                &mut fields_map,
+                None,
+                false);
+        }
+
+        #[test]
+        fn should_return_primary_key_if_is_some() {
+            let mut fields_map = FieldsIdsMap::new();
+            fields_map.insert("toto").unwrap();
+            let result = compute_primary_key_pair(
+                Some("toto"),
+                &mut fields_map,
+                Some("tata".to_string()),
+                false);
+            assert_eq!(result.unwrap(), (0u8, "toto".to_string()));
+            assert_eq!(fields_map.len(), 1);
+        }
+
+        #[test]
+        fn should_return_alternative_if_primary_is_none() {
+            let mut fields_map = FieldsIdsMap::new();
+            let result = compute_primary_key_pair(
+                None,
+                &mut fields_map,
+                Some("tata".to_string()),
+                false);
+            assert_eq!(result.unwrap(), (0u8, "tata".to_string()));
+            assert_eq!(fields_map.len(), 1);
+        }
+
+        #[test]
+        fn should_return_default_if_both_are_none() {
+            let mut fields_map = FieldsIdsMap::new();
+            let result = compute_primary_key_pair(
+                None,
+                &mut fields_map,
+                None,
+                true);
+            assert_eq!(result.unwrap(), (0u8, "id".to_string()));
+            assert_eq!(fields_map.len(), 1);
+        }
+
+        #[test]
+        fn should_return_err_if_both_are_none_and_recompute_is_false(){
+            let mut fields_map = FieldsIdsMap::new();
+            let result = compute_primary_key_pair(
+                None,
+                &mut fields_map,
+                None,
+                false);
+            assert!(result.is_err());
+            assert_eq!(fields_map.len(), 0);
+        }
+    }
+}
diff --git a/src/update/settings.rs b/src/update/settings.rs
index ea0f9b5be..dbe951761 100644
--- a/src/update/settings.rs
+++ b/src/update/settings.rs
@@ -1,14 +1,16 @@
 use std::collections::HashMap;
 use std::str::FromStr;
 
-use anyhow::{ensure, Context};
+use anyhow::Context;
 use grenad::CompressionType;
+use itertools::Itertools;
 use rayon::ThreadPool;
 
+use crate::criterion::Criterion;
+use crate::facet::FacetType;
 use crate::update::index_documents::{Transform, IndexDocumentsMethod};
 use crate::update::{ClearDocuments, IndexDocuments, UpdateIndexingStep};
-use crate::facet::FacetType;
-use crate::{Index, FieldsIdsMap, Criterion};
+use crate::{Index, FieldsIdsMap};
 
 pub struct Settings<'a, 't, 'u, 'i> {
     wtxn: &'t mut heed::RwTxn<'i, 'u>,
@@ -26,7 +28,7 @@ pub struct Settings<'a, 't, 'u, 'i> {
     // however if it is `Some(None)` it means that the user forced a reset of the setting.
     searchable_fields: Option<Option<Vec<String>>>,
     displayed_fields: Option<Option<Vec<String>>>,
-    faceted_fields: Option<HashMap<String, String>>,
+    faceted_fields: Option<Option<HashMap<String, String>>>,
     criteria: Option<Option<Vec<String>>>,
 }
 
@@ -67,7 +69,11 @@ impl<'a, 't, 'u, 'i> Settings<'a, 't, 'u, 'i> {
     }
 
     pub fn set_faceted_fields(&mut self, names_facet_types: HashMap<String, String>) {
-        self.faceted_fields = Some(names_facet_types);
+        self.faceted_fields = Some(Some(names_facet_types));
+    }
+
+    pub fn reset_faceted_fields(&mut self) {
+        self.faceted_fields = Some(None);
     }
 
     pub fn reset_criteria(&mut self) {
@@ -78,183 +84,188 @@ impl<'a, 't, 'u, 'i> Settings<'a, 't, 'u, 'i> {
         self.criteria = Some(Some(criteria));
     }
 
-    pub fn execute<F>(self, progress_callback: F) -> anyhow::Result<()>
+    fn reindex<F>(&mut self, cb: &F, old_fields_ids_map: FieldsIdsMap) -> anyhow::Result<()>
     where
-        F: Fn(UpdateIndexingStep) + Sync
+        F: Fn(UpdateIndexingStep) + Sync,
     {
-        let mut updated_searchable_fields = None;
-        let mut updated_faceted_fields = None;
-        let mut updated_displayed_fields = None;
-        let mut updated_criteria = None;
-
-        // Construct the new FieldsIdsMap based on the searchable fields order.
         let fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
-        let mut fields_ids_map = match self.searchable_fields {
-            Some(Some(searchable_fields)) => {
-                let mut new_fields_ids_map = FieldsIdsMap::new();
-                let mut new_searchable_fields = Vec::new();
+        // if the settings are set before any document update, we don't need to do anything, and
+        // will set the primary key during the first document addition.
+        if self.index.number_of_documents(&self.wtxn)? == 0 {
+            return Ok(())
+        }
 
-                for name in searchable_fields {
-                    let id = new_fields_ids_map.insert(&name).context("field id limit reached")?;
-                    new_searchable_fields.push(id);
-                }
-
-                for (_, name) in fields_ids_map.iter() {
-                    new_fields_ids_map.insert(name).context("field id limit reached")?;
-                }
-
-                updated_searchable_fields = Some(Some(new_searchable_fields));
-                new_fields_ids_map
-            },
-            Some(None) => {
-                updated_searchable_fields = Some(None);
-                fields_ids_map
-            },
-            None => fields_ids_map,
+        let transform = Transform {
+            rtxn: &self.wtxn,
+            index: self.index,
+            log_every_n: self.log_every_n,
+            chunk_compression_type: self.chunk_compression_type,
+            chunk_compression_level: self.chunk_compression_level,
+            chunk_fusing_shrink_size: self.chunk_fusing_shrink_size,
+            max_nb_chunks: self.max_nb_chunks,
+            max_memory: self.max_memory,
+            index_documents_method: IndexDocumentsMethod::ReplaceDocuments,
+            autogenerate_docids: false,
         };
 
-        // We compute or generate the new primary key field id.
-        // TODO make the primary key settable.
-        let primary_key = match self.index.primary_key(&self.wtxn)? {
-            Some(id) => {
-                let current_fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
-                let name = current_fields_ids_map.name(id).unwrap();
-                fields_ids_map.insert(name).context("field id limit reached")?
-            },
-            None => fields_ids_map.insert("id").context("field id limit reached")?,
-        };
+        // There already has been a document addition, the primary key should be set by now.
+        let primary_key = self.index.primary_key(&self.wtxn)?.context("Index must have a primary key")?;
 
-        let current_faceted_fields = self.index.faceted_fields(self.wtxn)?;
-        if let Some(fields_names_facet_types) = self.faceted_fields {
-            let mut faceted_fields = HashMap::new();
-            for (name, sftype) in fields_names_facet_types {
-                let ftype = FacetType::from_str(&sftype).with_context(|| format!("parsing facet type {:?}", sftype))?;
-                let id = fields_ids_map.insert(&name).context("field id limit reached")?;
-                match current_faceted_fields.get(&id) {
-                    Some(pftype) => {
-                        ensure!(ftype == *pftype, "{} facet type changed from {} to {}", name, ftype, pftype);
-                        faceted_fields.insert(id, ftype)
-                    },
-                    None => faceted_fields.insert(id, ftype),
-                };
-            }
+        // We remap the documents fields based on the new `FieldsIdsMap`.
+        let output = transform.remap_index_documents(
+            primary_key.to_string(),
+            old_fields_ids_map,
+            fields_ids_map.clone())?;
 
-            updated_faceted_fields = Some(faceted_fields);
-        }
-
-        // Check that the displayed attributes have been specified.
-        if let Some(value) = self.displayed_fields {
-            match value {
-                Some(names) => {
-                    let mut new_displayed_fields = Vec::new();
-                    for name in names {
-                        let id = fields_ids_map.insert(&name).context("field id limit reached")?;
-                        new_displayed_fields.push(id);
-                    }
-                    updated_displayed_fields = Some(Some(new_displayed_fields));
-                }
-                None => updated_displayed_fields = Some(None),
-            }
-        }
-
-        if let Some(criteria) = self.criteria {
-            match criteria {
-                Some(criteria_names) => {
-                    let mut new_criteria = Vec::new();
-                    for name in criteria_names {
-                        let criterion = Criterion::from_str(&mut fields_ids_map, &name)?;
-                        if let Some(fid) = criterion.field_id() {
-                            let name = fields_ids_map.name(fid).unwrap();
-                            let faceted_fields = updated_faceted_fields.as_ref().unwrap_or(&current_faceted_fields);
-                            ensure!(faceted_fields.contains_key(&fid), "criterion field {} must be faceted", name);
-                        }
-                        new_criteria.push(criterion);
-                    }
-                    updated_criteria = Some(Some(new_criteria));
-                },
-                None => updated_criteria = Some(None),
-            }
-        }
-
-        // If any setting have modified any of the datastructures it means that we need
-        // to retrieve the documents and then reindex then with the new settings.
-        if updated_searchable_fields.is_some() || updated_faceted_fields.is_some() {
-            let transform = Transform {
-                rtxn: &self.wtxn,
-                index: self.index,
-                log_every_n: self.log_every_n,
-                chunk_compression_type: self.chunk_compression_type,
-                chunk_compression_level: self.chunk_compression_level,
-                chunk_fusing_shrink_size: self.chunk_fusing_shrink_size,
-                max_nb_chunks: self.max_nb_chunks,
-                max_memory: self.max_memory,
-                index_documents_method: IndexDocumentsMethod::ReplaceDocuments,
-                autogenerate_docids: false,
-            };
-
-            // We remap the documents fields based on the new `FieldsIdsMap`.
-            let output = transform.remap_index_documents(primary_key, fields_ids_map.clone())?;
-
-            // We write the new FieldsIdsMap to the database
-            // this way next indexing methods will be based on that.
-            self.index.put_fields_ids_map(self.wtxn, &fields_ids_map)?;
-
-            if let Some(faceted_fields) = updated_faceted_fields {
-                // We write the faceted_fields fields into the database here.
-                self.index.put_faceted_fields(self.wtxn, &faceted_fields)?;
-            }
-
-            if let Some(searchable_fields) = updated_searchable_fields {
-                // The new searchable fields are also written down to make sure
-                // that the IndexDocuments system takes only these ones into account.
-                match searchable_fields {
-                    Some(fields) => self.index.put_searchable_fields(self.wtxn, &fields)?,
-                    None => self.index.delete_searchable_fields(self.wtxn).map(drop)?,
-                }
-            }
-
-            // We clear the full database (words-fst, documents ids and documents content).
-            ClearDocuments::new(self.wtxn, self.index).execute()?;
-
-            // We index the generated `TransformOutput` which must contain
-            // all the documents with fields in the newly defined searchable order.
-            let mut indexing_builder = IndexDocuments::new(self.wtxn, self.index);
-            indexing_builder.log_every_n = self.log_every_n;
-            indexing_builder.max_nb_chunks = self.max_nb_chunks;
-            indexing_builder.max_memory = self.max_memory;
-            indexing_builder.linked_hash_map_size = self.linked_hash_map_size;
-            indexing_builder.chunk_compression_type = self.chunk_compression_type;
-            indexing_builder.chunk_compression_level = self.chunk_compression_level;
-            indexing_builder.chunk_fusing_shrink_size = self.chunk_fusing_shrink_size;
-            indexing_builder.thread_pool = self.thread_pool;
-            indexing_builder.execute_raw(output, &progress_callback)?;
-        }
-
-        if let Some(displayed_fields) = updated_displayed_fields {
-            match displayed_fields {
-                Some(fields) => self.index.put_displayed_fields(self.wtxn, &fields)?,
-                None => self.index.delete_displayed_fields(self.wtxn).map(drop)?,
-            }
-        }
-
-        if let Some(criteria) = updated_criteria {
-            match criteria {
-                Some(criteria) => self.index.put_criteria(self.wtxn, &criteria)?,
-                None => self.index.delete_criteria(self.wtxn).map(drop)?,
-            }
-        }
+        // We clear the full database (words-fst, documents ids and documents content).
+        ClearDocuments::new(self.wtxn, self.index).execute()?;
 
+        // We index the generated `TransformOutput` which must contain
+        // all the documents with fields in the newly defined searchable order.
+        let mut indexing_builder = IndexDocuments::new(self.wtxn, self.index);
+        indexing_builder.log_every_n = self.log_every_n;
+        indexing_builder.max_nb_chunks = self.max_nb_chunks;
+        indexing_builder.max_memory = self.max_memory;
+        indexing_builder.linked_hash_map_size = self.linked_hash_map_size;
+        indexing_builder.chunk_compression_type = self.chunk_compression_type;
+        indexing_builder.chunk_compression_level = self.chunk_compression_level;
+        indexing_builder.chunk_fusing_shrink_size = self.chunk_fusing_shrink_size;
+        indexing_builder.thread_pool = self.thread_pool;
+        indexing_builder.execute_raw(output, &cb)?;
         Ok(())
     }
+
+    fn update_displayed(&mut self) -> anyhow::Result<bool> {
+        match self.displayed_fields {
+            Some(Some(ref fields)) => {
+                let mut fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
+                // fields are deduplicated, only the first occurrence is taken into account
+                let names: Vec<_> = fields
+                    .iter()
+                    .unique()
+                    .map(String::as_str)
+                    .collect();
+
+                for name in names.iter() {
+                    fields_ids_map
+                        .insert(name)
+                        .context("field id limit exceeded")?;
+                }
+                self.index.put_displayed_fields(self.wtxn, &names)?;
+                self.index.put_fields_ids_map(self.wtxn, &fields_ids_map)?;
+            }
+            Some(None) => { self.index.delete_displayed_fields(self.wtxn)?; },
+            None => return Ok(false),
+        }
+        Ok(true)
+    }
+
+    /// Udpates the index's searchable attributes. This causes the field map to be recomputed to
+    /// reflect the order of the searchable attributes.
+    fn update_searchable(&mut self) -> anyhow::Result<bool> {
+        match self.searchable_fields {
+            Some(Some(ref fields)) => {
+                // every time the searchable attributes are updated, we need to update the
+                // ids for any settings that uses the facets. (displayed_fields,
+                // faceted_fields)
+                let old_fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
+
+                let mut new_fields_ids_map = FieldsIdsMap::new();
+                // fields are deduplicated, only the first occurrence is taken into account
+                let names = fields
+                    .iter()
+                    .unique()
+                    .map(String::as_str)
+                    .collect::<Vec<_>>();
+
+                // Add all the searchable attributes to the field map, and then add the
+                // remaining fields from the old field map to the new one
+                for name in names.iter() {
+                    new_fields_ids_map
+                        .insert(&name)
+                        .context("field id limit exceeded")?;
+                }
+
+                for (_, name) in old_fields_ids_map.iter() {
+                    new_fields_ids_map
+                        .insert(&name)
+                        .context("field id limit exceeded")?;
+                }
+
+                self.index.put_searchable_fields(self.wtxn, &names)?;
+                self.index.put_fields_ids_map(self.wtxn, &new_fields_ids_map)?;
+            }
+            Some(None) => { self.index.delete_searchable_fields(self.wtxn)?; },
+            None => return Ok(false),
+        }
+        Ok(true)
+    }
+
+    fn update_facets(&mut self) -> anyhow::Result<bool> {
+        match self.faceted_fields {
+            Some(Some(ref fields)) => {
+                let mut fields_ids_map = self.index.fields_ids_map(self.wtxn)?;
+                let mut new_facets = HashMap::new();
+                for (name, ty) in fields {
+                    fields_ids_map.insert(name).context("field id limit exceeded")?;
+                    let ty = FacetType::from_str(&ty)?;
+                    new_facets.insert(name.clone(), ty);
+                }
+                self.index.put_faceted_fields(self.wtxn, &new_facets)?;
+                self.index.put_fields_ids_map(self.wtxn, &fields_ids_map)?;
+            }
+            Some(None) => { self.index.delete_faceted_fields(self.wtxn)?; },
+            None => return Ok(false)
+        }
+        Ok(true)
+    }
+
+    fn update_criteria(&mut self) -> anyhow::Result<()> {
+        match self.criteria {
+            Some(Some(ref fields)) => {
+                let faceted_fields = self.index.faceted_fields(&self.wtxn)?;
+                let mut new_criteria = Vec::new();
+                for name in fields {
+                    let criterion = Criterion::from_str(&faceted_fields, &name)?;
+                    new_criteria.push(criterion);
+                }
+                self.index.put_criteria(self.wtxn, &new_criteria)?;
+            }
+            Some(None) => { self.index.delete_criteria(self.wtxn)?; }
+            None => (),
+        }
+        Ok(())
+    }
+
+    pub fn execute<F>(mut self, progress_callback: F) -> anyhow::Result<()>
+    where
+        F: Fn(UpdateIndexingStep) + Sync
+        {
+            let old_fields_ids_map = self.index.fields_ids_map(&self.wtxn)?;
+            self.update_displayed()?;
+            let facets_updated = self.update_facets()?;
+            // update_criteria MUST be called after update_facets, since criterion fields must be set
+            // as facets.
+            self.update_criteria()?;
+            let searchable_updated = self.update_searchable()?;
+
+            if facets_updated || searchable_updated {
+                self.reindex(&progress_callback, old_fields_ids_map)?;
+            }
+            Ok(())
+        }
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::update::{IndexDocuments, UpdateFormat};
+
     use heed::EnvOpenOptions;
     use maplit::hashmap;
 
+    use crate::facet::FacetType;
+    use crate::update::{IndexDocuments, UpdateFormat};
+
     #[test]
     fn set_and_reset_searchable_fields() {
         let path = tempfile::tempdir().unwrap();
@@ -336,10 +347,8 @@ mod tests {
 
         // Check that the displayed fields are correctly set to `None` (default value).
         let rtxn = index.read_txn().unwrap();
-        let fields_ids_map = index.fields_ids_map(&rtxn).unwrap();
         let fields_ids = index.displayed_fields(&rtxn).unwrap();
-        let age_id = fields_ids_map.id("age").unwrap();
-        assert_eq!(fields_ids, Some(&[age_id][..]));
+        assert_eq!(fields_ids.unwrap(), (&["age"][..]));
         drop(rtxn);
 
         // We change the searchable fields to be the "name" field only.
@@ -351,10 +360,8 @@ mod tests {
 
         // Check that the displayed fields always contains only the "age" field.
         let rtxn = index.read_txn().unwrap();
-        let fields_ids_map = index.fields_ids_map(&rtxn).unwrap();
         let fields_ids = index.displayed_fields(&rtxn).unwrap();
-        let age_id = fields_ids_map.id("age").unwrap();
-        assert_eq!(fields_ids, Some(&[age_id][..]));
+        assert_eq!(fields_ids.unwrap(), &["age"][..]);
         drop(rtxn);
     }
 
@@ -402,10 +409,8 @@ mod tests {
 
         // Check that the displayed fields are correctly set to only the "age" field.
         let rtxn = index.read_txn().unwrap();
-        let fields_ids_map = index.fields_ids_map(&rtxn).unwrap();
-        let age_field_id = fields_ids_map.id("age").unwrap();
         let fields_ids = index.displayed_fields(&rtxn).unwrap();
-        assert_eq!(fields_ids.unwrap(), &[age_field_id][..]);
+        assert_eq!(fields_ids.unwrap(), &["age"][..]);
         drop(rtxn);
 
         // We reset the fields ids to become `None`, the default value.
@@ -445,9 +450,9 @@ mod tests {
         // Check that the displayed fields are correctly set.
         let rtxn = index.read_txn().unwrap();
         let fields_ids = index.faceted_fields(&rtxn).unwrap();
-        assert_eq!(fields_ids, hashmap!{ 1 => FacetType::Integer });
+        assert_eq!(fields_ids, hashmap!{ "age".to_string() => FacetType::Integer });
         // Only count the field_id 0 and level 0 facet values.
-        let count = index.facet_field_id_value_docids.prefix_iter(&rtxn, &[1, 0]).unwrap().count();
+        let count = index.facet_field_id_value_docids.prefix_iter(&rtxn, &[0, 0]).unwrap().count();
         assert_eq!(count, 3);
         drop(rtxn);
 
@@ -461,8 +466,49 @@ mod tests {
 
         let rtxn = index.read_txn().unwrap();
         // Only count the field_id 0 and level 0 facet values.
-        let count = index.facet_field_id_value_docids.prefix_iter(&rtxn, &[1, 0]).unwrap().count();
+        let count = index.facet_field_id_value_docids.prefix_iter(&rtxn, &[0, 0]).unwrap().count();
         assert_eq!(count, 4);
         drop(rtxn);
     }
+
+    #[test]
+    fn setting_searchable_recomputes_other_settings() {
+        let path = tempfile::tempdir().unwrap();
+        let mut options = EnvOpenOptions::new();
+        options.map_size(10 * 1024 * 1024); // 10 MB
+        let index = Index::new(options, &path).unwrap();
+
+        // Set all the settings except searchable
+        let mut wtxn = index.write_txn().unwrap();
+        let mut builder = Settings::new(&mut wtxn, &index);
+        builder.set_displayed_fields(vec!["hello".to_string()]);
+        builder.set_faceted_fields(hashmap!{
+            "age".into() => "integer".into(),
+            "toto".into() => "integer".into(),
+        });
+        builder.set_criteria(vec!["asc(toto)".to_string()]);
+        builder.execute(|_| ()).unwrap();
+        wtxn.commit().unwrap();
+
+        // check the output
+        let rtxn = index.read_txn().unwrap();
+        assert_eq!(&["hello"][..], index.displayed_fields(&rtxn).unwrap().unwrap());
+        // since no documents have been pushed the primary key is still unset
+        assert!(index.primary_key(&rtxn).unwrap().is_none());
+        assert_eq!(vec![Criterion::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
+        drop(rtxn);
+
+        // We set toto and age as searchable to force reordering of the fields
+        let mut wtxn = index.write_txn().unwrap();
+        let mut builder = Settings::new(&mut wtxn, &index);
+        builder.set_searchable_fields(vec!["toto".to_string(), "age".to_string()]);
+        builder.execute(|_| ()).unwrap();
+        wtxn.commit().unwrap();
+
+        let rtxn = index.read_txn().unwrap();
+        assert_eq!(&["hello"][..], index.displayed_fields(&rtxn).unwrap().unwrap());
+        assert!(index.primary_key(&rtxn).unwrap().is_none());
+        assert_eq!(vec![Criterion::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
+        drop(rtxn);
+    }
 }