Add CI jobs to run tests, and check no_std no_alloc

.github/workflows/rust.yml

@@ -1,4 +1,4 @@
-on: [push, pull_request]
+on: [pull_request]
 
 name: Rust CI
 
@@ -7,37 +7,55 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - uses: actions/checkout@v4
+      - name: Install rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Load rust cache
+        uses: astriaorg/buildjet-rust-cache@v2.5.1
+      - name: Run cargo check, failing on warnings
+        run: cargo check --profile ci --all-targets
+        # It'd be nice to fail on warnings, but we're not ready for that.
+        # env:
+        #   RUSTFLAGS: "-D warnings"
 
   test:
     name: Test Suite
+    runs-on: buildjet-16vcpu-ubuntu-2204
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
+      - name: Load rust cache
+        uses: astriaorg/buildjet-rust-cache@v2.5.1
+      - name: Run tests with nextest
+        run: cargo nextest run --cargo-profile ci --profile ci
+        env:
+          CARGO_TERM_COLOR: always
+
+  build_no_alloc:
+    name: build without alloc
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
           override: true
+      - run: rustup target add thumbv7em-none-eabihf
       - uses: Swatinem/rust-cache@v1
       - uses: actions-rs/cargo@v1
         with:
-          command: test
+          command: build
+          args: --target thumbv7em-none-eabihf --no-default-features
 
   fmt:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
@@ -50,19 +68,26 @@ jobs:
           command: fmt
           args: --all -- --check
 
-  # clippy:
-  #  name: Clippy
-  #  runs-on: ubuntu-latest
-  #  steps:
-  #    - uses: actions/checkout@v2
-  #    - uses: actions-rs/toolchain@v1
-  #      with:
-  #        profile: minimal
-  #        toolchain: stable
-  #        override: true
-  #    - uses: Swatinem/rust-cache@v1
-  #    - run: rustup component add clippy
-  #    - uses: actions-rs/cargo@v1
-  #      with:
-  #        command: clippy
-  #        args: -- -D warnings
+  no-std:
+    name: no_std compatibility check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: Swatinem/rust-cache@v1
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --no-default-features
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --no-default-features
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --no-default-features