diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ea4b41a6a..230339c49 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,12 +1,18 @@
 name: Rust
 
-on: push
+on:
+  pull_request:
+  push:
+    # trying and staging branches are for Bors config
+    branches:
+      - trying
+      - staging
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  tests:
 
     runs-on: ubuntu-latest
 
diff --git a/bors.toml b/bors.toml
new file mode 100644
index 000000000..dd19e1f5b
--- /dev/null
+++ b/bors.toml
@@ -0,0 +1,3 @@
+status = ['tests']
+# 3 hours timeout
+timeout-sec = 10800