github: Clean up CI checks, and run clippy lints separately.

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI Checks
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Test on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt -y install build-essential clang libclang-dev llvm-dev libudev-dev pkg-config
+
+      - name: Run tests
+        run: |
+          make test
+
+  fmt:
+    name: rustfmt
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: -- --check

.github/workflows/lints-stable.yml

@@ -0,0 +1,23 @@
+name: Stable lints
+
+# We only run these on trial-merges of PRs to reduce noise.
+on: pull_request
+
+jobs:
+  clippy:
+    name: Clippy (stable)
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+          override: true
+      - name: Run Clippy
+        uses: actions-rs/clippy-check@v1
+        with:
+          name: Clippy (stable)
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --release -- -D warnings

.github/workflows/rust-build.yml

@@ -1,35 +0,0 @@
-name: Build and Test
-
-on: [push, pull_request]
-
-jobs:
-    compile-and-test:
-        runs-on: ubuntu-latest
-        steps:
-            - uses: actions/checkout@v2
-
-            - name: Install Rust
-              uses: actions-rs/toolchain@v1
-              with:
-                toolchain: stable
-                override: true
-                components: rustfmt, clippy
-
-            - name: Install Dependencies
-              run: |
-                sudo apt update
-                sudo apt -y install build-essential clang libclang-dev llvm-dev libudev-dev pkg-config
-
-            - name: Create config directory
-              run: |
-                mkdir -p ~/.config/darkfi
-
-            - name: Test with all features
-              run: |
-                cargo test --release --all-features
-
-            - name: Clippy check
-              uses: actions-rs/clippy-check@v1
-              with:
-                token: ${{ secrets.GITHUB_TOKEN }}
-                args: --release --all-features