adding clippy and rust fmt

.github/workflows/rust.yml

@@ -10,13 +10,74 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
-
+  Formatting:
     runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
 
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+          components: rustfmt
+
+      - name: Check format
+        run: cargo fmt -- --check
+
+  build:
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: Build
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
+
+  Linting:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+          components: clippy
+
+      - name: Lint with clippy
+        uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+  Coverage:
+    needs: Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install nightly toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+
+      - name: Install cargo-tarpaulin
+        uses: actions-rs/install@v0.1
+        with:
+          crate: cargo-tarpaulin
+          version: latest
+          use-tool-cache: true
+
+      - name: Coverage with tarpaulin
+        run: cargo tarpaulin --all --all-features --timeout 600 --out Lcov -- --test-threads 1
+
+      - name: Upload coverage
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: ./lcov.info