CI: Basic script

.github/workflows/rust.yml

@@ -10,13 +10,31 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  build_and_test:
 
     runs-on: ubuntu-latest
 
+    strategy:
+      fail-fast: false
+      matrix:
+        rust:
+          - "1.75"
+          - "stable"
+
     steps:
     - uses: actions/checkout@v4
+      with:
+        submodules: true
     - name: Build
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
+    - name: Install rust ${{ matrix.rust }}
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: ${{ matrix.rust }}
+        components: rustfmt, clippy
+    - name: Build
+      run: cargo build
+    - name: Run tests
+      run: cargo test -- --nocapture