ci: migrate away from unmaintained actions

.github/workflows/build.yml

@@ -1,9 +1,3 @@
-# Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
-#
-# While our "example" application has the platform-specific code,
-# for simplicity we are compiling and testing everything on the Ubuntu environment only.
-# For multi-OS testing see the `cross.yml` workflow.
-
 on: [push, pull_request]
 
 name: Build
@@ -16,103 +10,41 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v2
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-
-      - name: Run cargo check
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo check --workspace
 
   test:
     name: Test Suite
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v2
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-
-      - name: Run cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo test --workspace
 
   unstable:
     name: Test Suite (unstable)
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v2
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-
-      - name: Run cargo test --features unstable
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features unstable
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: cargo test --workspace --features unstable
 
   very_unstable:
     name: Test Suite (very_unstable)
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v2
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-
-      - name: Run cargo test --features very_unstable
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --features very_unstable
-
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: cargo test --workspace --features very_unstable
 
   lints:
     name: Lints
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v2
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: rustfmt, clippy
-
-      - name: Run cargo fmt
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
-
-      - name: Run cargo clippy
-        uses: actions-rs/cargo@v1
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          command: clippy
+          components: clippy, rustfmt
+      - run: cargo fmt --all --check
+      - run: cargo clippy --workspace