Add Rust CI.

Author: grafikrobot

.github/workflows/rust.yml

@@ -0,0 +1,30 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+    - name: Info
+      run: |
+        cargo --version -v
+        rustc --version -v
+    - name: Build
+      run: |
+        cd rust
+        cargo build --verbose
+    - name: Test
+      run: |
+        cd rust
+        cargo test --verbose