simplify gh action

.github/workflows/rust.yml

@@ -18,62 +18,15 @@ jobs:
           command: build
           args: --release
 
-  check:
-    name: check
-    runs-on: ubuntu-latest
+  build_and_test:
+    name: build and test
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-
-  test:
-    name: tests
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-
-  fmt:
-    name: rust-fmt
-    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
+      - name: check
+        run: cargo check --verbose
+      - name: clippy
+        run: cargo clippy -- -D warnings
+      - name: build
+        run: cargo build --verbose
+      - name: test
+        run: cargo test --verbose