diff --git a/meilisearch-http/src/data.rs b/meilisearch-http/src/data.rs
index d6836258a..23f7efb69 100644
--- a/meilisearch-http/src/data.rs
+++ b/meilisearch-http/src/data.rs
@@ -135,7 +135,7 @@ impl Data {
         let db = Arc::new(Database::open_or_create(opt.db_path).unwrap());
 
         let mut api_keys = ApiKeys {
-            master: opt.master_key.clone(),
+            master: opt.master_key,
             private: None,
             public: None,
         };
diff --git a/meilisearch-http/src/error.rs b/meilisearch-http/src/error.rs
index 57a996e84..6c3210e1b 100644
--- a/meilisearch-http/src/error.rs
+++ b/meilisearch-http/src/error.rs
@@ -1,8 +1,9 @@
 use std::fmt;
-use serde_json::json;
-use actix_web as aweb;
+
 use actix_http::ResponseBuilder;
+use actix_web as aweb;
 use actix_web::http::StatusCode;
+use serde_json::json;
 
 #[derive(Debug)]
 pub enum ResponseError {
diff --git a/meilisearch-http/src/main.rs b/meilisearch-http/src/main.rs
index edddb37d6..e0e19448b 100644
--- a/meilisearch-http/src/main.rs
+++ b/meilisearch-http/src/main.rs
@@ -1,14 +1,14 @@
 use std::{env, thread};
 
+use actix_web::middleware::Logger;
+use actix_web::{web, App, HttpServer};
 use log::info;
 use main_error::MainError;
-use structopt::StructOpt;
-use actix_web::middleware::Logger;
-use actix_web::{web, HttpServer, App};
 use meilisearch_http::data::Data;
 use meilisearch_http::option::Opt;
 use meilisearch_http::routes;
 use meilisearch_http::routes::index_update_callback;
+use structopt::StructOpt;
 
 mod analytics;
 
@@ -30,7 +30,7 @@ async fn main() -> Result<(), MainError> {
                         .into(),
                 );
             }
-        },
+        }
         "development" => {
             env_logger::from_env(env_logger::Env::default().default_filter_or("info")).init();
         }
@@ -50,7 +50,7 @@ async fn main() -> Result<(), MainError> {
 
     print_launch_resume(&opt, &data);
 
-    HttpServer::new(move ||
+    HttpServer::new(move || {
         App::new()
             .wrap(Logger::default())
             .app_data(web::Data::new(data.clone()))
@@ -103,10 +103,10 @@ async fn main() -> Result<(), MainError> {
             .service(routes::stats::get_sys_info_pretty)
             .service(routes::health::get_health)
             .service(routes::health::change_healthyness)
-        )
-        .bind(opt.http_addr)?
-        .run()
-        .await?;
+    })
+    .bind(opt.http_addr)?
+    .run()
+    .await?;
 
     Ok(())
 }
diff --git a/meilisearch-http/src/routes/document.rs b/meilisearch-http/src/routes/document.rs
index 99e40e481..763402fd2 100644
--- a/meilisearch-http/src/routes/document.rs
+++ b/meilisearch-http/src/routes/document.rs
@@ -1,20 +1,21 @@
 use std::collections::BTreeSet;
+
+use actix_web as aweb;
+use actix_web::{delete, get, post, put, web, HttpResponse};
 use indexmap::IndexMap;
 use serde::Deserialize;
 use serde_json::Value;
-use actix_web::{web, get, post, put, delete, HttpResponse};
-use actix_web as aweb;
 
 use crate::error::ResponseError;
+use crate::routes::{IndexParam, IndexUpdateResponse};
 use crate::Data;
-use crate::routes::{IndexUpdateResponse, IndexParam};
 
 type Document = IndexMap<String, Value>;
 
 #[derive(Default, Deserialize)]
 pub struct DocumentParam {
     index_uid: String,
-    document_id: String
+    document_id: String,
 }
 
 #[get("/indexes/{index_uid}/documents/{document_id}")]
@@ -22,14 +23,19 @@ pub async fn get_document(
     data: web::Data<Data>,
     path: web::Path<DocumentParam>,
 ) -> aweb::Result<web::Json<Document>> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
     let document_id = meilisearch_core::serde::compute_document_id(path.document_id.clone());
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let response = index.document::<Document, String>(&reader, None, document_id)
+    let response = index
+        .document::<Document, String>(&reader, None, document_id)
         .map_err(|_| ResponseError::DocumentNotFound(path.document_id.clone()))?
         .ok_or(ResponseError::DocumentNotFound(path.document_id.clone()))?;
 
@@ -41,26 +47,31 @@ pub async fn delete_document(
     data: web::Data<Data>,
     path: web::Path<DocumentParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
     let document_id = meilisearch_core::serde::compute_document_id(path.document_id.clone());
 
-    let mut update_writer = data.db.update_write_txn()
+    let mut update_writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut documents_deletion = index.documents_deletion();
     documents_deletion.delete_document_by_id(document_id);
 
-    let update_id = documents_deletion.finalize(&mut update_writer)
+    let update_id = documents_deletion
+        .finalize(&mut update_writer)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    update_writer.commit()
+    update_writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
 
-
 #[derive(Default, Deserialize)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 pub struct BrowseQuery {
@@ -75,14 +86,17 @@ pub async fn get_all_documents(
     path: web::Path<IndexParam>,
     params: web::Query<BrowseQuery>,
 ) -> aweb::Result<web::Json<Vec<Document>>> {
-
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let offset = params.offset.unwrap_or(0);
     let limit = params.limit.unwrap_or(20);
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let documents_ids: Result<BTreeSet<_>, _> = index
@@ -93,10 +107,11 @@ pub async fn get_all_documents(
         .take(limit)
         .collect();
 
-    let documents_ids = documents_ids
-        .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let documents_ids = documents_ids.map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let attributes = params.attributes_to_retrieve.clone()
+    let attributes = params
+        .attributes_to_retrieve
+        .clone()
         .map(|a| a.split(',').map(|a| a.to_string()).collect());
 
     let mut response_body = Vec::<Document>::new();
@@ -129,39 +144,48 @@ async fn update_multiple_documents(
     path: web::Path<IndexParam>,
     params: web::Query<UpdateDocumentsQuery>,
     body: web::Json<Vec<Document>>,
-    is_partial: bool
+    is_partial: bool,
 ) -> aweb::Result<HttpResponse> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut schema = index
         .main
         .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to retrieve the schema".to_string()))?;
+        .ok_or(ResponseError::Internal(
+            "Impossible to retrieve the schema".to_string(),
+        ))?;
 
     if schema.primary_key().is_none() {
         let id = match params.primary_key.clone() {
             Some(id) => id,
-            None => {
-                body.first()
-                    .and_then(|docs| find_primary_key(docs))
-                    .ok_or(ResponseError::BadRequest("Impossible to infer the primary key".to_string()))?
-            }
+            None => body.first().and_then(|docs| find_primary_key(docs)).ok_or(
+                ResponseError::BadRequest("Impossible to infer the primary key".to_string()),
+            )?,
         };
 
-        let mut writer = data.db.main_write_txn()
+        let mut writer = data
+            .db
+            .main_write_txn()
             .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-        schema.set_primary_key(&id)
+        schema
+            .set_primary_key(&id)
             .map_err(|e| ResponseError::Internal(e.to_string()))?;
-        index.main.put_schema(&mut writer, &schema)
+        index
+            .main
+            .put_schema(&mut writer, &schema)
             .map_err(|e| ResponseError::Internal(e.to_string()))?;
-        writer.commit()
+        writer
+            .commit()
             .map_err(|err| ResponseError::Internal(err.to_string()))?;
     }
 
@@ -175,11 +199,15 @@ async fn update_multiple_documents(
         document_addition.update_document(document);
     }
 
-    let mut update_writer = data.db.update_write_txn()
+    let mut update_writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = document_addition.finalize(&mut update_writer)
+    let update_id = document_addition
+        .finalize(&mut update_writer)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
-    update_writer.commit()
+    update_writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -190,7 +218,7 @@ pub async fn add_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
     params: web::Query<UpdateDocumentsQuery>,
-    body: web::Json<Vec<Document>>
+    body: web::Json<Vec<Document>>,
 ) -> aweb::Result<HttpResponse> {
     update_multiple_documents(data, path, params, body, false).await
 }
@@ -200,7 +228,7 @@ pub async fn update_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
     params: web::Query<UpdateDocumentsQuery>,
-    body: web::Json<Vec<Document>>
+    body: web::Json<Vec<Document>>,
 ) -> aweb::Result<HttpResponse> {
     update_multiple_documents(data, path, params, body, true).await
 }
@@ -209,13 +237,16 @@ pub async fn update_documents(
 pub async fn delete_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
-    body: web::Json<Vec<Value>>
+    body: web::Json<Vec<Value>>,
 ) -> aweb::Result<HttpResponse> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut documents_deletion = index.documents_deletion();
@@ -227,10 +258,12 @@ pub async fn delete_documents(
         }
     }
 
-    let update_id = documents_deletion.finalize(&mut writer)
+    let update_id = documents_deletion
+        .finalize(&mut writer)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
 
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -241,17 +274,22 @@ pub async fn clear_all_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let update_id = index.clear_all(&mut writer)
+    let update_id = index
+        .clear_all(&mut writer)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
 
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
diff --git a/meilisearch-http/src/routes/health.rs b/meilisearch-http/src/routes/health.rs
index f1b92078d..8b4433303 100644
--- a/meilisearch-http/src/routes/health.rs
+++ b/meilisearch-http/src/routes/health.rs
@@ -1,17 +1,17 @@
 use crate::error::ResponseError;
-use actix_web::{web, get, put, HttpResponse};
-use actix_web as aweb;
 use crate::Data;
+use actix_web as aweb;
+use actix_web::{get, put, web, HttpResponse};
 use heed::types::{Str, Unit};
 use serde::Deserialize;
 
 const UNHEALTHY_KEY: &str = "_is_unhealthy";
 
 #[get("/health")]
-pub async fn get_health(
-    data: web::Data<Data>,
-) -> aweb::Result<HttpResponse> {
-    let reader = data.db.main_read_txn()
+pub async fn get_health(data: web::Data<Data>) -> aweb::Result<HttpResponse> {
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let common_store = data.db.common_store();
@@ -23,29 +23,33 @@ pub async fn get_health(
     Ok(HttpResponse::Ok().finish())
 }
 
-pub async fn set_healthy(
-    data: web::Data<Data>,
-) -> aweb::Result<HttpResponse> {
-    let mut writer = data.db.main_write_txn()
+pub async fn set_healthy(data: web::Data<Data>) -> aweb::Result<HttpResponse> {
+    let mut writer = data
+        .db
+        .main_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
     let common_store = data.db.common_store();
-    common_store.delete::<_, Str>(&mut writer, UNHEALTHY_KEY)
+    common_store
+        .delete::<_, Str>(&mut writer, UNHEALTHY_KEY)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Ok().finish())
 }
 
-pub async fn set_unhealthy(
-    data: web::Data<Data>,
-) -> aweb::Result<HttpResponse> {
-    let mut writer = data.db.main_write_txn()
+pub async fn set_unhealthy(data: web::Data<Data>) -> aweb::Result<HttpResponse> {
+    let mut writer = data
+        .db
+        .main_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
     let common_store = data.db.common_store();
-    common_store.put::<_, Str, Unit>(&mut writer, UNHEALTHY_KEY, &())
+    common_store
+        .put::<_, Str, Unit>(&mut writer, UNHEALTHY_KEY, &())
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Ok().finish())
diff --git a/meilisearch-http/src/routes/index.rs b/meilisearch-http/src/routes/index.rs
index ec7f65315..f1153ad74 100644
--- a/meilisearch-http/src/routes/index.rs
+++ b/meilisearch-http/src/routes/index.rs
@@ -1,14 +1,14 @@
+use actix_web as aweb;
+use actix_web::{delete, get, post, web, HttpResponse};
 use chrono::{DateTime, Utc};
 use log::error;
+use meilisearch_core::UpdateStatus;
 use rand::seq::SliceRandom;
 use serde::{Deserialize, Serialize};
-use actix_web::{web, get, post, delete, HttpResponse};
-use actix_web as aweb;
-use meilisearch_core::UpdateStatus;
 
 use crate::error::ResponseError;
-use crate::Data;
 use crate::routes::IndexParam;
+use crate::Data;
 
 fn generate_uid() -> String {
     let mut rng = rand::thread_rng();
@@ -30,11 +30,10 @@ pub struct IndexResponse {
 }
 
 #[get("/indexes")]
-pub async fn list_indexes(
-    data: web::Data<Data>,
-) -> aweb::Result<web::Json<Vec<IndexResponse>>> {
-
-    let reader = data.db.main_read_txn()
+pub async fn list_indexes(data: web::Data<Data>) -> aweb::Result<web::Json<Vec<IndexResponse>>> {
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut response_body = Vec::new();
@@ -44,15 +43,27 @@ pub async fn list_indexes(
 
         match index {
             Some(index) => {
-                let name = index.main.name(&reader)
+                let name = index
+                    .main
+                    .name(&reader)
                     .map_err(|e| ResponseError::Internal(e.to_string()))?
-                    .ok_or(ResponseError::Internal("Impossible to get the name of an index".to_string()))?;
-                let created_at = index.main.created_at(&reader)
+                    .ok_or(ResponseError::Internal(
+                        "Impossible to get the name of an index".to_string(),
+                    ))?;
+                let created_at = index
+                    .main
+                    .created_at(&reader)
                     .map_err(|e| ResponseError::Internal(e.to_string()))?
-                    .ok_or(ResponseError::Internal("Impossible to get the create date of an index".to_string()))?;
-                let updated_at = index.main.updated_at(&reader)
+                    .ok_or(ResponseError::Internal(
+                        "Impossible to get the create date of an index".to_string(),
+                    ))?;
+                let updated_at = index
+                    .main
+                    .updated_at(&reader)
                     .map_err(|e| ResponseError::Internal(e.to_string()))?
-                    .ok_or(ResponseError::Internal("Impossible to get the last update date of an index".to_string()))?;
+                    .ok_or(ResponseError::Internal(
+                        "Impossible to get the last update date of an index".to_string(),
+                    ))?;
 
                 let primary_key = match index.main.schema(&reader) {
                     Ok(Some(schema)) => match schema.primary_key() {
@@ -86,22 +97,37 @@ pub async fn get_index(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<web::Json<IndexResponse>> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let name = index.main.name(&reader)
+    let name = index
+        .main
+        .name(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the name of an index".to_string()))?;
-    let created_at = index.main.created_at(&reader)
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the name of an index".to_string(),
+        ))?;
+    let created_at = index
+        .main
+        .created_at(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the create date of an index".to_string()))?;
-    let updated_at = index.main.updated_at(&reader)
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the create date of an index".to_string(),
+        ))?;
+    let updated_at = index
+        .main
+        .updated_at(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the last update date of an index".to_string()))?;
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the last update date of an index".to_string(),
+        ))?;
 
     let primary_key = match index.main.schema(&reader) {
         Ok(Some(schema)) => match schema.primary_key() {
@@ -131,11 +157,12 @@ pub struct IndexCreateRequest {
 #[post("/indexes")]
 pub async fn create_index(
     data: web::Data<Data>,
-    body: web::Json<IndexCreateRequest>
+    body: web::Json<IndexCreateRequest>,
 ) -> aweb::Result<web::Json<IndexResponse>> {
-
     if let (None, None) = (body.name.clone(), body.uid.clone()) {
-        return Err(ResponseError::BadRequest("Index creation must have an uid".to_string()).into());
+        return Err(
+            ResponseError::BadRequest("Index creation must have an uid".to_string()).into(),
+        );
     }
 
     let uid = match body.uid.clone() {
@@ -157,14 +184,20 @@ pub async fn create_index(
         },
     };
 
-    let created_index = data.db.create_index(&uid)
+    let created_index = data
+        .db
+        .create_index(&uid)
         .map_err(|e| ResponseError::CreateIndex(e.to_string()))?;
 
-    let mut writer = data.db.main_write_txn()
+    let mut writer = data
+        .db
+        .main_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let name = body.name.clone().unwrap_or(uid.clone());
-    created_index.main.put_name(&mut writer, &name)
+    created_index
+        .main
+        .put_name(&mut writer, &name)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
 
     let created_at = created_index
@@ -180,16 +213,23 @@ pub async fn create_index(
         .ok_or(ResponseError::Internal("".to_string()))?;
 
     if let Some(id) = body.primary_key.clone() {
-        if let Some(mut schema) = created_index.main.schema(&mut writer)
-            .map_err(|e| ResponseError::Internal(e.to_string()))? {
-            schema.set_primary_key(&id)
+        if let Some(mut schema) = created_index
+            .main
+            .schema(&writer)
+            .map_err(|e| ResponseError::Internal(e.to_string()))?
+        {
+            schema
+                .set_primary_key(&id)
                 .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-            created_index.main.put_schema(&mut writer, &schema)
+            created_index
+                .main
+                .put_schema(&mut writer, &schema)
                 .map_err(|e| ResponseError::Internal(e.to_string()))?;
         }
     }
 
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(web::Json(IndexResponse {
@@ -222,55 +262,85 @@ pub struct UpdateIndexResponse {
 pub async fn update_index(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
-    body: web::Json<IndexCreateRequest>
+    body: web::Json<IndexCreateRequest>,
 ) -> aweb::Result<web::Json<IndexResponse>> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let mut writer = data.db.main_write_txn()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let mut writer = data
+        .db
+        .main_write_txn()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     if let Some(name) = body.name.clone() {
-        index.main.put_name(&mut writer, &name)
+        index
+            .main
+            .put_name(&mut writer, &name)
             .map_err(|e| ResponseError::Internal(e.to_string()))?;
     }
 
     if let Some(id) = body.primary_key.clone() {
-        if let Some(mut schema) = index.main.schema(&mut writer)
-            .map_err(|e| ResponseError::Internal(e.to_string()))? {
+        if let Some(mut schema) = index
+            .main
+            .schema(&writer)
+            .map_err(|e| ResponseError::Internal(e.to_string()))?
+        {
             match schema.primary_key() {
                 Some(_) => {
-                    return Err(ResponseError::BadRequest("The primary key cannot be updated".to_string()).into());
+                    return Err(ResponseError::BadRequest(
+                        "The primary key cannot be updated".to_string(),
+                    )
+                    .into());
                 }
                 None => {
                     schema
                         .set_primary_key(&id)
                         .map_err(|e| ResponseError::Internal(e.to_string()))?;
-                    index.main.put_schema(&mut writer, &schema)
+                    index
+                        .main
+                        .put_schema(&mut writer, &schema)
                         .map_err(|e| ResponseError::Internal(e.to_string()))?;
                 }
             }
         }
     }
 
-    index.main.put_updated_at(&mut writer)
+    index
+        .main
+        .put_updated_at(&mut writer)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let name = index.main.name(&reader)
+    let name = index
+        .main
+        .name(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the name of an index".to_string()))?;
-    let created_at = index.main.created_at(&reader)
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the name of an index".to_string(),
+        ))?;
+    let created_at = index
+        .main
+        .created_at(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the create date of an index".to_string()))?;
-    let updated_at = index.main.updated_at(&reader)
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the create date of an index".to_string(),
+        ))?;
+    let updated_at = index
+        .main
+        .updated_at(&reader)
         .map_err(|e| ResponseError::Internal(e.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to get the last update date of an index".to_string()))?;
+        .ok_or(ResponseError::Internal(
+            "Impossible to get the last update date of an index".to_string(),
+        ))?;
 
     let primary_key = match index.main.schema(&reader) {
         Ok(Some(schema)) => match schema.primary_key() {
@@ -294,8 +364,8 @@ pub async fn delete_index(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-
-    data.db.delete_index(&path.index_uid)
+    data.db
+        .delete_index(&path.index_uid)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
 
     HttpResponse::NoContent().await
@@ -304,7 +374,7 @@ pub async fn delete_index(
 #[derive(Default, Deserialize)]
 pub struct UpdateParam {
     index_uid: String,
-    update_id: u64
+    update_id: u64,
 }
 
 #[get("/indexes/{index_uid}/updates/{update_id}")]
@@ -312,19 +382,23 @@ pub async fn get_update_status(
     data: web::Data<Data>,
     path: web::Path<UpdateParam>,
 ) -> aweb::Result<web::Json<UpdateStatus>> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.update_read_txn()
+    let reader = data
+        .db
+        .update_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let status = index.update_status(&reader, path.update_id)
+    let status = index
+        .update_status(&reader, path.update_id)
         .map_err(|e| ResponseError::Internal(e.to_string()))?;
 
     match status {
         Some(status) => Ok(web::Json(status)),
-        None => Err(ResponseError::NotFound(format!("Update {} not found", path.update_id)).into())
+        None => Err(ResponseError::NotFound(format!("Update {} not found", path.update_id)).into()),
     }
 }
 
@@ -333,14 +407,18 @@ pub async fn get_all_updates_status(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<web::Json<Vec<UpdateStatus>>> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.update_read_txn()
+    let reader = data
+        .db
+        .update_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let response = index.all_updates_status(&reader)
+    let response = index
+        .all_updates_status(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(web::Json(response))
diff --git a/meilisearch-http/src/routes/key.rs b/meilisearch-http/src/routes/key.rs
index d807840b7..76ab3a116 100644
--- a/meilisearch-http/src/routes/key.rs
+++ b/meilisearch-http/src/routes/key.rs
@@ -1,8 +1,7 @@
 use crate::Data;
-use actix_web::{web, get};
+use actix_web::{get, web};
 use serde::Serialize;
 
-
 #[derive(Default, Serialize)]
 pub struct KeysResponse {
     private: Option<String>,
@@ -10,11 +9,9 @@ pub struct KeysResponse {
 }
 
 #[get("/keys")]
-pub async fn list(
-    data: web::Data<Data>,
-) -> web::Json<KeysResponse> {
+pub async fn list(data: web::Data<Data>) -> web::Json<KeysResponse> {
     let api_keys = data.api_keys.clone();
-    web::Json(KeysResponse{
+    web::Json(KeysResponse {
         private: api_keys.private,
         public: api_keys.public,
     })
diff --git a/meilisearch-http/src/routes/mod.rs b/meilisearch-http/src/routes/mod.rs
index c8401e905..66cabd52d 100644
--- a/meilisearch-http/src/routes/mod.rs
+++ b/meilisearch-http/src/routes/mod.rs
@@ -1,7 +1,7 @@
 use actix_web::{get, HttpResponse};
-use serde::{Serialize, Deserialize};
 use log::error;
 use meilisearch_core::ProcessedUpdateResult;
+use serde::{Deserialize, Serialize};
 
 use crate::Data;
 
@@ -10,14 +10,14 @@ pub mod health;
 pub mod index;
 pub mod key;
 pub mod search;
-pub mod stats;
 pub mod setting;
+pub mod stats;
 pub mod stop_words;
 pub mod synonym;
 
 #[derive(Default, Deserialize)]
 pub struct IndexParam {
-    index_uid: String
+    index_uid: String,
 }
 
 #[derive(Default, Serialize)]
@@ -28,9 +28,7 @@ pub struct IndexUpdateResponse {
 
 impl IndexUpdateResponse {
     pub fn with_id(update_id: u64) -> Self {
-        Self {
-            update_id,
-        }
+        Self { update_id }
     }
 }
 
@@ -48,7 +46,6 @@ pub async fn load_css() -> HttpResponse {
         .body(include_str!("../../public/bulma.min.css").to_string())
 }
 
-
 pub fn index_update_callback(index_uid: &str, data: &Data, status: ProcessedUpdateResult) {
     if status.error.is_some() {
         return;
@@ -82,7 +79,6 @@ pub fn index_update_callback(index_uid: &str, data: &Data, status: ProcessedUpda
     }
 }
 
-
 // pub fn load_routes(app: &mut tide::Server<Data>) {
 //     app.at("/").get(|_| async {
 //         tide::Response::new(200)
diff --git a/meilisearch-http/src/routes/search.rs b/meilisearch-http/src/routes/search.rs
index afdc96fcb..cd88694ff 100644
--- a/meilisearch-http/src/routes/search.rs
+++ b/meilisearch-http/src/routes/search.rs
@@ -4,15 +4,15 @@ use std::time::Duration;
 
 use log::warn;
 use meilisearch_core::Index;
+use actix_web as aweb;
+use actix_web::{get, post, web};
 use rayon::iter::{IntoParallelIterator, ParallelIterator};
 use serde::{Deserialize, Serialize};
-use actix_web::{web, get, post};
-use actix_web as aweb;
 
 use crate::error::ResponseError;
 use crate::helpers::meilisearch::{Error, IndexSearchExt, SearchHit, SearchResult};
-use crate::Data;
 use crate::routes::IndexParam;
+use crate::Data;
 
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
@@ -35,18 +35,23 @@ pub async fn search_with_url_query(
     path: web::Path<IndexParam>,
     params: web::Query<SearchQuery>,
 ) -> aweb::Result<web::Json<SearchResult>> {
-
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let schema = index
         .main
         .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?
-        .ok_or(ResponseError::Internal("Impossible to retrieve the schema".to_string()))?;
+        .ok_or(ResponseError::Internal(
+            "Impossible to retrieve the schema".to_string(),
+        ))?;
 
     let mut search_builder = index.new_search(params.q.clone());
 
@@ -182,7 +187,6 @@ pub async fn search_multi_index(
     data: web::Data<Data>,
     body: web::Json<SearchMultiBody>,
 ) -> aweb::Result<web::Json<SearchMultiBodyResponse>> {
-
     let mut index_list = body.clone().indexes;
 
     for index in index_list.clone() {
@@ -203,7 +207,6 @@ pub async fn search_multi_index(
         }
     }
 
-
     let par_body = body.clone();
     let responses_per_index: Vec<(String, SearchResult)> = index_list
         .into_par_iter()
diff --git a/meilisearch-http/src/routes/setting.rs b/meilisearch-http/src/routes/setting.rs
index 603b13902..2883c3997 100644
--- a/meilisearch-http/src/routes/setting.rs
+++ b/meilisearch-http/src/routes/setting.rs
@@ -1,42 +1,58 @@
+use actix_web as aweb;
+use actix_web::{delete, get, post, web, HttpResponse};
 use meilisearch_core::settings::{Settings, SettingsUpdate, UpdateState, DEFAULT_RANKING_RULES};
 use std::collections::{BTreeMap, BTreeSet, HashSet};
-use actix_web::{web, get, post, delete, HttpResponse};
-use actix_web as aweb;
 
-use crate::error::{ResponseError};
+use crate::error::ResponseError;
+use crate::routes::{IndexParam, IndexUpdateResponse};
 use crate::Data;
-use crate::routes::{IndexUpdateResponse, IndexParam};
 
 #[post("/indexes/{index_uid}/settings")]
 pub async fn update_all(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let stop_words_fst = index.main.stop_words_fst(&reader)
+    let stop_words_fst = index
+        .main
+        .stop_words_fst(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let stop_words = stop_words_fst.unwrap_or_default().stream().into_strs()
+    let stop_words = stop_words_fst
+        .unwrap_or_default()
+        .stream()
+        .into_strs()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
     let stop_words: BTreeSet<String> = stop_words.into_iter().collect();
 
-    let synonyms_fst = index.main.synonyms_fst(&reader)
+    let synonyms_fst = index
+        .main
+        .synonyms_fst(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?
         .unwrap_or_default();
-    let synonyms_list = synonyms_fst.stream().into_strs()
+    let synonyms_list = synonyms_fst
+        .stream()
+        .into_strs()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut synonyms = BTreeMap::new();
     let index_synonyms = &index.synonyms;
     for synonym in synonyms_list {
-        let alternative_list = index_synonyms.synonyms(&reader, synonym.as_bytes())
+        let alternative_list = index_synonyms
+            .synonyms(&reader, synonym.as_bytes())
             .map_err(|err| ResponseError::Internal(err.to_string()))?;
         if let Some(list) = alternative_list {
-            let list = list.stream().into_strs()
+            let list = list
+                .stream()
+                .into_strs()
                 .map_err(|err| ResponseError::Internal(err.to_string()))?;
             synonyms.insert(synonym, list);
         }
@@ -51,10 +67,14 @@ pub async fn update_all(
         .map(|r| r.to_string())
         .collect();
 
-    let distinct_attribute = index.main.distinct_attribute(&reader)
+    let distinct_attribute = index
+        .main
+        .distinct_attribute(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let schema = index.main.schema(&reader)
+    let schema = index
+        .main
+        .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let searchable_attributes = schema.clone().map(|s| {
@@ -92,16 +112,24 @@ pub async fn get_all(
     path: web::Path<IndexParam>,
     body: web::Json<Settings>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = body.into_inner().into_update()
+    let settings = body
+        .into_inner()
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -112,9 +140,13 @@ pub async fn delete_all(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let settings = SettingsUpdate {
@@ -128,9 +160,11 @@ pub async fn delete_all(
         accept_new_fields: UpdateState::Clear,
     };
 
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -141,10 +175,14 @@ pub async fn get_rules(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let reader = data
+        .db
+        .main_read_txn()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let ranking_rules = index
         .main
@@ -164,7 +202,9 @@ pub async fn update_rules(
     path: web::Path<IndexParam>,
     body: web::Json<Option<Vec<String>>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = Settings {
@@ -172,13 +212,18 @@ pub async fn update_rules(
         ..Settings::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = settings.into_update()
+    let settings = settings
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -189,9 +234,13 @@ pub async fn delete_rules(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let settings = SettingsUpdate {
@@ -199,10 +248,12 @@ pub async fn delete_rules(
         ..SettingsUpdate::default()
     };
 
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -213,11 +264,17 @@ pub async fn get_distinct(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let distinct_attribute = index.main.distinct_attribute(&reader)
+    let distinct_attribute = index
+        .main
+        .distinct_attribute(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Ok().json(distinct_attribute))
@@ -229,7 +286,9 @@ pub async fn update_distinct(
     path: web::Path<IndexParam>,
     body: web::Json<Option<String>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = Settings {
@@ -237,13 +296,18 @@ pub async fn update_distinct(
         ..Settings::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = settings.into_update()
+    let settings = settings
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -254,21 +318,27 @@ pub async fn delete_distinct(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let mut writer = data.db.update_write_txn()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let mut writer = data
+        .db
+        .update_write_txn()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let settings = SettingsUpdate {
         distinct_attribute: UpdateState::Clear,
         ..SettingsUpdate::default()
     };
 
-    let update_id = index.settings_update(&mut writer, settings)
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let update_id = index
+        .settings_update(&mut writer, settings)
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    writer.commit()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    writer
+        .commit()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -278,11 +348,17 @@ pub async fn get_searchable(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let schema = index.main.schema(&reader)
+    let schema = index
+        .main
+        .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
     let searchable_attributes: Option<Vec<String>> =
         schema.map(|s| s.indexed_name().iter().map(|i| (*i).to_string()).collect());
@@ -296,7 +372,9 @@ pub async fn update_searchable(
     path: web::Path<IndexParam>,
     body: web::Json<Option<Vec<String>>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = Settings {
@@ -304,13 +382,18 @@ pub async fn update_searchable(
         ..Settings::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = settings.into_update()
+    let settings = settings
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -321,7 +404,9 @@ pub async fn delete_searchable(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -329,11 +414,15 @@ pub async fn delete_searchable(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -344,12 +433,18 @@ pub async fn get_displayed(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let schema = index.main.schema(&reader)
+    let schema = index
+        .main
+        .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let displayed_attributes: Option<HashSet<String>> = schema.map(|s| {
@@ -368,7 +463,9 @@ pub async fn update_displayed(
     path: web::Path<IndexParam>,
     body: web::Json<Option<HashSet<String>>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = Settings {
@@ -376,13 +473,18 @@ pub async fn update_displayed(
         ..Settings::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = settings.into_update()
+    let settings = settings
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -393,7 +495,9 @@ pub async fn delete_displayed(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -401,12 +505,16 @@ pub async fn delete_displayed(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
-            .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let mut writer = data
+        .db
+        .update_write_txn()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    let update_id = index
+        .settings_update(&mut writer, settings)
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
+    writer
+        .commit()
+        .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -416,12 +524,18 @@ pub async fn get_accept_new_fields(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let schema = index.main.schema(&reader)
+    let schema = index
+        .main
+        .schema(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let accept_new_fields = schema.map(|s| s.accept_new_fields());
@@ -435,7 +549,9 @@ pub async fn update_accept_new_fields(
     path: web::Path<IndexParam>,
     body: web::Json<Option<bool>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = Settings {
@@ -443,13 +559,18 @@ pub async fn update_accept_new_fields(
         ..Settings::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let settings = settings.into_update()
+    let settings = settings
+        .into_update()
         .map_err(|e| ResponseError::BadRequest(e.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
diff --git a/meilisearch-http/src/routes/stats.rs b/meilisearch-http/src/routes/stats.rs
index b2261a7dc..ee804457e 100644
--- a/meilisearch-http/src/routes/stats.rs
+++ b/meilisearch-http/src/routes/stats.rs
@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
 use actix_web as aweb;
-use actix_web::{web, get};
+use actix_web::{get, web};
 use chrono::{DateTime, Utc};
 use log::error;
 use pretty_bytes::converter::convert;
@@ -9,9 +9,9 @@ use serde::Serialize;
 use sysinfo::{NetworkExt, ProcessExt, ProcessorExt, System, SystemExt};
 use walkdir::WalkDir;
 
-use crate::Data;
 use crate::error::ResponseError;
 use crate::routes::IndexParam;
+use crate::Data;
 
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
@@ -26,20 +26,30 @@ pub async fn index_stats(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<web::Json<IndexStatsResponse>> {
-    let index = data.db.open_index(path.index_uid.clone())
+    let index = data
+        .db
+        .open_index(path.index_uid.clone())
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let number_of_documents = index.main.number_of_documents(&reader)
+    let number_of_documents = index
+        .main
+        .number_of_documents(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let fields_frequency = index.main.fields_frequency(&reader)
+    let fields_frequency = index
+        .main
+        .fields_frequency(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?
         .unwrap_or_default();
 
-    let update_reader = data.db.update_read_txn()
+    let update_reader = data
+        .db
+        .update_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let is_indexing = data
@@ -63,15 +73,16 @@ pub struct StatsResult {
 }
 
 #[get("/stats")]
-pub async fn get_stats(
-    data: web::Data<Data>,
-) -> aweb::Result<web::Json<StatsResult>> {
-
+pub async fn get_stats(data: web::Data<Data>) -> aweb::Result<web::Json<StatsResult>> {
     let mut index_list = HashMap::new();
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_reader = data.db.update_read_txn()
+    let update_reader = data
+        .db
+        .update_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let indexes_set = data.db.indexes_uids();
@@ -79,10 +90,14 @@ pub async fn get_stats(
         let index = data.db.open_index(&index_uid);
         match index {
             Some(index) => {
-                let number_of_documents = index.main.number_of_documents(&reader)
+                let number_of_documents = index
+                    .main
+                    .number_of_documents(&reader)
                     .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-                let fields_frequency = index.main.fields_frequency(&reader)
+                let fields_frequency = index
+                    .main
+                    .fields_frequency(&reader)
                     .map_err(|err| ResponseError::Internal(err.to_string()))?
                     .unwrap_or_default();
 
@@ -112,7 +127,8 @@ pub async fn get_stats(
         .filter(|metadata| metadata.is_file())
         .fold(0, |acc, m| acc + m.len());
 
-    let last_update = data.last_update(&reader)
+    let last_update = data
+        .last_update(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(web::Json(StatsResult {
@@ -200,9 +216,7 @@ impl SysInfo {
 }
 
 #[get("/sys-info")]
-pub async fn get_sys_info(
-    data: web::Data<Data>,
-) -> web::Json<SysInfo> {
+pub async fn get_sys_info(data: web::Data<Data>) -> web::Json<SysInfo> {
     let mut sys = System::new();
     let mut info = SysInfo::new();
 
@@ -216,11 +230,13 @@ pub async fn get_sys_info(
     info.global.used_memory = sys.get_used_memory();
     info.global.total_swap = sys.get_total_swap();
     info.global.used_swap = sys.get_used_swap();
-    info.global.input_data = sys.get_networks()
+    info.global.input_data = sys
+        .get_networks()
         .into_iter()
         .map(|(_, n)| n.get_received())
         .sum::<u64>();
-    info.global.output_data = sys.get_networks()
+    info.global.output_data = sys
+        .get_networks()
         .into_iter()
         .map(|(_, n)| n.get_transmitted())
         .sum::<u64>();
@@ -294,11 +310,8 @@ impl SysInfoPretty {
     }
 }
 
-
 #[get("/sys-info/pretty")]
-pub async fn get_sys_info_pretty(
-    data: web::Data<Data>,
-) -> web::Json<SysInfoPretty> {
+pub async fn get_sys_info_pretty(data: web::Data<Data>) -> web::Json<SysInfoPretty> {
     let mut sys = System::new();
     let mut info = SysInfoPretty::new();
 
@@ -316,8 +329,18 @@ pub async fn get_sys_info_pretty(
     info.global.used_memory = convert(sys.get_used_memory() as f64 * 1024.0);
     info.global.total_swap = convert(sys.get_total_swap() as f64 * 1024.0);
     info.global.used_swap = convert(sys.get_used_swap() as f64 * 1024.0);
-    info.global.input_data = convert(sys.get_networks().into_iter().map(|(_, n)| n.get_received()).sum::<u64>() as f64);
-    info.global.output_data = convert(sys.get_networks().into_iter().map(|(_, n)| n.get_transmitted()).sum::<u64>() as f64);
+    info.global.input_data = convert(
+        sys.get_networks()
+            .into_iter()
+            .map(|(_, n)| n.get_received())
+            .sum::<u64>() as f64,
+    );
+    info.global.output_data = convert(
+        sys.get_networks()
+            .into_iter()
+            .map(|(_, n)| n.get_transmitted())
+            .sum::<u64>() as f64,
+    );
 
     if let Some(process) = sys.get_process(data.server_pid) {
         info.process.memory = convert(process.memory() as f64 * 1024.0);
diff --git a/meilisearch-http/src/routes/stop_words.rs b/meilisearch-http/src/routes/stop_words.rs
index 2234497bf..905f90150 100644
--- a/meilisearch-http/src/routes/stop_words.rs
+++ b/meilisearch-http/src/routes/stop_words.rs
@@ -1,25 +1,31 @@
 use std::collections::BTreeSet;
 
-use meilisearch_core::settings::{SettingsUpdate, UpdateState};
-use actix_web::{web, get, post, delete, HttpResponse};
 use actix_web as aweb;
+use actix_web::{delete, get, post, web, HttpResponse};
+use meilisearch_core::settings::{SettingsUpdate, UpdateState};
 
-use crate::error::{ResponseError};
+use crate::error::ResponseError;
+use crate::routes::{IndexParam, IndexUpdateResponse};
 use crate::Data;
-use crate::routes::{IndexUpdateResponse, IndexParam};
 
 #[get("/indexes/{index_uid}/settings/stop-words")]
-pub async fn get(
-    data: web::Data<Data>,
-    path: web::Path<IndexParam>,
-) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+pub async fn get(data: web::Data<Data>, path: web::Path<IndexParam>) -> aweb::Result<HttpResponse> {
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let stop_words_fst = index.main.stop_words_fst(&reader)
+    let stop_words_fst = index
+        .main
+        .stop_words_fst(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let stop_words = stop_words_fst.unwrap_or_default().stream().into_strs()
+    let stop_words = stop_words_fst
+        .unwrap_or_default()
+        .stream()
+        .into_strs()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Ok().json(stop_words))
@@ -31,7 +37,9 @@ pub async fn update(
     path: web::Path<IndexParam>,
     body: web::Json<BTreeSet<String>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -39,11 +47,15 @@ pub async fn update(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -54,7 +66,9 @@ pub async fn delete(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -62,11 +76,15 @@ pub async fn delete(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
diff --git a/meilisearch-http/src/routes/synonym.rs b/meilisearch-http/src/routes/synonym.rs
index 587582ee9..7892988a6 100644
--- a/meilisearch-http/src/routes/synonym.rs
+++ b/meilisearch-http/src/routes/synonym.rs
@@ -1,29 +1,34 @@
 use std::collections::BTreeMap;
 
+use actix_web as aweb;
+use actix_web::{delete, get, post, web, HttpResponse};
 use indexmap::IndexMap;
 use meilisearch_core::settings::{SettingsUpdate, UpdateState};
-use actix_web::{web, get, post, delete, HttpResponse};
-use actix_web as aweb;
 
-use crate::error::{ResponseError};
+use crate::error::ResponseError;
+use crate::routes::{IndexParam, IndexUpdateResponse};
 use crate::Data;
-use crate::routes::{IndexUpdateResponse, IndexParam};
 
 #[get("/indexes/{index_uid}/settings/synonyms")]
-pub async fn get(
-    data: web::Data<Data>,
-    path: web::Path<IndexParam>,
-) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+pub async fn get(data: web::Data<Data>, path: web::Path<IndexParam>) -> aweb::Result<HttpResponse> {
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
-    let reader = data.db.main_read_txn()
+    let reader = data
+        .db
+        .main_read_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    let synonyms_fst = index.main.synonyms_fst(&reader)
+    let synonyms_fst = index
+        .main
+        .synonyms_fst(&reader)
         .map_err(|err| ResponseError::Internal(err.to_string()))?
         .unwrap_or_default();
-    let synonyms_list = synonyms_fst.stream().into_strs()
+    let synonyms_list = synonyms_fst
+        .stream()
+        .into_strs()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     let mut synonyms = IndexMap::new();
@@ -31,11 +36,14 @@ pub async fn get(
     let index_synonyms = &index.synonyms;
 
     for synonym in synonyms_list {
-        let alternative_list = index_synonyms.synonyms(&reader, synonym.as_bytes())
+        let alternative_list = index_synonyms
+            .synonyms(&reader, synonym.as_bytes())
             .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
         if let Some(list) = alternative_list {
-            let list = list.stream().into_strs()
+            let list = list
+                .stream()
+                .into_strs()
                 .map_err(|err| ResponseError::Internal(err.to_string()))?;
             synonyms.insert(synonym, list);
         }
@@ -50,7 +58,9 @@ pub async fn update(
     path: web::Path<IndexParam>,
     body: web::Json<BTreeMap<String, Vec<String>>>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -58,11 +68,15 @@ pub async fn update(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -73,7 +87,9 @@ pub async fn delete(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> aweb::Result<HttpResponse> {
-    let index = data.db.open_index(&path.index_uid)
+    let index = data
+        .db
+        .open_index(&path.index_uid)
         .ok_or(ResponseError::IndexNotFound(path.index_uid.clone()))?;
 
     let settings = SettingsUpdate {
@@ -81,12 +97,16 @@ pub async fn delete(
         ..SettingsUpdate::default()
     };
 
-    let mut writer = data.db.update_write_txn()
+    let mut writer = data
+        .db
+        .update_write_txn()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
-    let update_id = index.settings_update(&mut writer, settings)
+    let update_id = index
+        .settings_update(&mut writer, settings)
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
-    writer.commit()
+    writer
+        .commit()
         .map_err(|err| ResponseError::Internal(err.to_string()))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
diff --git a/meilisearch-http/tests/documents_add.rs b/meilisearch-http/tests/documents_add.rs
index a223c4757..ebb66e7a4 100644
--- a/meilisearch-http/tests/documents_add.rs
+++ b/meilisearch-http/tests/documents_add.rs
@@ -91,11 +91,11 @@ fn check_add_documents_with_nested_null() {
 
     // 2 - Add a document that contains a null in a nested object
 
-    let body = json!([{ 
-        "id": 0, 
-        "foo": { 
+    let body = json!([{
+        "id": 0,
+        "foo": {
             "bar": null
-        } 
+        }
     }]);
 
     let url = "/indexes/tasks/documents";
@@ -126,9 +126,9 @@ fn check_add_documents_with_nested_sequence() {
 
     // 2 - Add a document that contains a seq in a nested object
 
-    let body = json!([{ 
-        "id": 0, 
-        "foo": { 
+    let body = json!([{
+        "id": 0,
+        "foo": {
             "bar": [123,456],
             "fez": [{
                 "id": 255,
diff --git a/meilisearch-http/tests/index.rs b/meilisearch-http/tests/index.rs
index e0b44b9b5..f825e336b 100644
--- a/meilisearch-http/tests/index.rs
+++ b/meilisearch-http/tests/index.rs
@@ -660,7 +660,7 @@ fn check_add_documents_without_primary_key() {
 }
 
 #[test]
-fn check_first_update_should_bring_up_processed_status_after_first_docs_addition(){
+fn check_first_update_should_bring_up_processed_status_after_first_docs_addition() {
     let mut server = common::Server::with_uid("movies");
 
     let body = json!({
@@ -678,11 +678,11 @@ fn check_first_update_should_bring_up_processed_status_after_first_docs_addition
 
     // 2. Index the documents from movies.json, present inside of assets directory
     server.add_or_replace_multiple_documents(body);
-    
+
     // 3. Fetch the status of the indexing done above.
     let (response, status_code) = server.get_all_updates_status();
-    
+
     // 4. Verify the fetch is successful and indexing status is 'processed'
     assert_eq!(status_code, 200);
-    assert_eq!(response[0]["status"], "processed");    
+    assert_eq!(response[0]["status"], "processed");
 }
diff --git a/meilisearch-http/tests/settings_accept_new_fields.rs b/meilisearch-http/tests/settings_accept_new_fields.rs
index 807aa1cd2..7293badd4 100644
--- a/meilisearch-http/tests/settings_accept_new_fields.rs
+++ b/meilisearch-http/tests/settings_accept_new_fields.rs
@@ -289,10 +289,9 @@ fn index_new_fields_false_then_true() {
     assert_json_eq!(response, expected);
 }
 
-
 // Fix issue https://github.com/meilisearch/MeiliSearch/issues/518
 #[test]
-fn accept_new_fields_does_not_take_into_account_the_primary_key () {
+fn accept_new_fields_does_not_take_into_account_the_primary_key() {
     let mut server = common::Server::with_uid("movies");
 
     // 1 - Create an index with no primary-key
diff --git a/meilisearch-http/tests/settings_ranking_rules.rs b/meilisearch-http/tests/settings_ranking_rules.rs
index f203216ff..9c5a82f59 100644
--- a/meilisearch-http/tests/settings_ranking_rules.rs
+++ b/meilisearch-http/tests/settings_ranking_rules.rs
@@ -148,10 +148,7 @@ fn write_custom_ranking_and_index_documents() {
 
     // 1 - Add ranking rules with one custom ranking on a string
 
-    let body = json!([
-        "asc(title)",
-        "typo"
-    ]);
+    let body = json!(["asc(title)", "typo"]);
 
     server.update_ranking_rules(body);
 
@@ -184,5 +181,4 @@ fn write_custom_ranking_and_index_documents() {
     assert_eq!(status_code, 200);
 
     assert_json_eq!(response, expected, ordered: false);
-
 }