Update rust.yml

.github/workflows/rust.yml

@@ -1,20 +1,52 @@
-name: Rust
+on: [push, pull_request]
 
-on: [push]
+name: CI
 
 jobs:
-  build:
-
+  test:
+    name: Test Suite
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v1
-    - name: Cache
-      uses: actions/cache@v1.0.0
       - name: Install LLVM
         run: ./ci/install-llvm.sh 8
-      shell: bash
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add clippy
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings