ci: remove actions-rs/cargo & use cargo directly

.github/workflows/ci.yml

@@ -19,9 +19,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - run: cargo check
 
   test:
     name: cargo test
@@ -36,9 +34,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
+      - run: cargo test
 
   fmt:
     name: cargo fmt --all -- --check
@@ -51,10 +47,7 @@ jobs:
           toolchain: stable
           override: true
       - run: rustup component add rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+      - run: cargo fmt --all -- --check
 
   clippy:
     name: cargo clippy -- -D warnings
@@ -70,10 +63,7 @@ jobs:
           toolchain: stable
           override: true
       - run: rustup component add clippy
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: -- -D warnings
+      - run: cargo clippy -- -D warnings
 
   coverage:
     name: Code Coverage
@@ -114,10 +104,7 @@ jobs:
         default: true
         profile: minimal # minimal component installation (ie, no documentation)
     - name: Test
-      uses: actions-rs/cargo@v1
-      with:
-        command: test
-        args: ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --no-fail-fast
+      run: cargo test ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --no-fail-fast
       env:
         CARGO_INCREMENTAL: "0"
         RUSTC_WRAPPER: ""