feat(ci): speed up rust workflow

.github/workflows/rust-ci.yaml

@@ -12,41 +12,69 @@ on:
     branches:
       - main
 
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_PROFILE_DEV_DEBUG: 0
+  CARGO_PROFILE_TEST_DEBUG: 0
+  CARGO_TERM_COLOR: always
+
 jobs:
-  rust_ci:
-    name: Build & Test
+  lint:
+    name: Format & Clippy
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: Rust fmt
+        run: cargo fmt --all -- --check
+      - name: Rust clippy
+        run: cargo clippy --workspace --all-targets -- -D warnings
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: Install cargo-nextest
+        uses: taiki-e/install-action@nextest
 
+      # Regenerate Cairo reference data when Cairo/SDK files changed or on push to main (rebase)
+      - name: Check for Cairo/SDK changes
+        id: cairo-check
+        if: github.event_name == 'pull_request'
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            changed:
+              - 'packages/**'
+              - 'sdk/**'
+              - 'Scarb.toml'
+              - 'Scarb.lock'
       - uses: actions/setup-node@v4
+        if: github.event_name == 'push' || steps.cairo-check.outputs.changed == 'true'
         with:
           node-version: '20'
           cache: 'npm'
           cache-dependency-path: sdk/package-lock.json
-
       - name: Install Scarb
+        if: github.event_name == 'push' || steps.cairo-check.outputs.changed == 'true'
         uses: software-mansion/setup-scarb@v1
         with:
           scarb-version: "2.15.0"
-
       - name: Install snforge
+        if: github.event_name == 'push' || steps.cairo-check.outputs.changed == 'true'
         uses: foundry-rs/setup-snfoundry@v3
-
-      - name: Rust fmt
-        run: cargo fmt --all -- --check
-
-      - name: Rust clippy
-        run: cargo clippy --workspace --all-targets -- -D warnings
-
-      - name: Rust build
-        run: cargo build --workspace --all-targets
-
       - name: Generate Cairo reference data
+        if: github.event_name == 'push' || steps.cairo-check.outputs.changed == 'true'
         run: |
           cd sdk
           npm run generate:cairo-refs
@@ -55,7 +83,7 @@ jobs:
       - name: Install starknet-devnet via asdf
         uses: asdf-vm/actions/install@v3
         with:
-          tool_versions: starknet-devnet 0.7.1
+          tool_versions: starknet-devnet 0.7.2
 
       - name: Rust test
-        run: cargo test --workspace --all-targets
+        run: cargo nextest run --workspace --all-targets