github: Run a clippy check on push and PR.

.github/workflows/rust-build.yml

@@ -4,22 +4,32 @@ on: [push, pull_request]
 
 jobs:
     compile-and-test:
-        runs-on: ubuntu-20.04
+        runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v2
+
             - name: Install Rust
               uses: actions-rs/toolchain@v1
               with:
                 toolchain: stable
                 override: true
                 components: rustfmt, clippy
+
             - name: Install Dependencies
               run: |
-                sudo apt-get update
-                sudo apt-get install build-essential clang libclang-dev llvm-dev libudev-dev pkg-config
+                sudo apt update
+                sudo apt -y install build-essential clang libclang-dev llvm-dev libudev-dev pkg-config
+
             - name: Create config directory
               run: |
                 mkdir -p ~/.config/darkfi
+
             - name: Test with all features
               run: |
                 cargo test --release --all-features
+
+            - name: Clippy check
+              uses: actions-rs/clippy-check@v1
+              with:
+                token: ${{ secrets.GITHUB_TOKEN }}
+                args: --release --all-features