Add rustfmt and clippy to the CI

.github/workflows/CICD.yml

@@ -27,11 +27,25 @@ jobs:
         toolchain: ${{ env.MIN_SUPPORTED_RUST_VERSION }}
         default: true
         profile: minimal # minimal component installation (ie, no documentation)
+        components: clippy, rustfmt
+
+    - name: Ensure `cargo fmt` has been run
+      uses: actions-rs/cargo@v1
+      with:
+        command: fmt
+        args: -- --check
+
+    - name: Run clippy (on minimum supported rust version to prevent warnings we can't fix)
+      uses: actions-rs/cargo@v1
+      with:
+        command: clippy
+        args: --locked --all-targets
 
     - name: Run tests
       uses: actions-rs/cargo@v1
       with:
         command: test
+        args: --locked
 
   build:
     name: ${{ matrix.job.os }} (${{ matrix.job.target }})