CI: Bump to Rust 1.51 and update workflow

.github/workflows/ci.yml

@@ -3,33 +3,6 @@ name: CI checks
 on: [push, pull_request]
 
 jobs:
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: 1.44.0
-          override: true
-      - name: Install build dependencies
-        run: sudo apt install libpcsclite-dev
-
-      # Ensure all code has been formatted with rustfmt
-      - run: rustup component add rustfmt
-      - name: Check formatting
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: -- --check --color always
-
-      - run: rustup component add clippy
-      - name: Clippy check
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-
   test:
     name: Test on ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
@@ -52,7 +25,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.44.0
+          toolchain: 1.51.0
           override: true
       - name: Install build dependencies
         run: sudo apt install ${{ matrix.build_deps }}
@@ -72,12 +45,55 @@ jobs:
           command: test
           args: --verbose
 
+  clippy:
+    name: Clippy (1.51.0)
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.51.0
+          components: clippy
+          override: true
+      - name: Install build dependencies
+        run: sudo apt install libpcsclite-dev
+      - name: Run clippy
+        uses: actions-rs/clippy-check@v1
+        with:
+          name: Clippy (1.51.0)
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all-targets -- -D warnings
+
+  clippy-nightly:
+    name: Clippy (nightly)
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          components: clippy
+          override: true
+      - name: Install build dependencies
+        run: sudo apt install libpcsclite-dev
+      - name: Run Clippy (nightly)
+        uses: actions-rs/clippy-check@v1
+        continue-on-error: true
+        with:
+          name: Clippy (nightly)
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all-targets
+
   codecov:
     name: Code coverage
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
+      # Use stable for this to ensure that cargo-tarpaulin can be built.
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -94,14 +110,14 @@ jobs:
           token: ${{secrets.CODECOV_TOKEN}}
 
   doc-links:
-    name: Nightly lint
+    name: Intra-doc links
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: 1.51.0
           override: true
       - name: Install build dependencies
         run: sudo apt install libpcsclite-dev
@@ -117,3 +133,19 @@ jobs:
         with:
           command: doc
           args: --document-private-items
+
+  fmt:
+    name: Rustfmt
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.51.0
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: -- --check