chore: add caching to CI, use new toolchain action and remove actions…

…-rs/cargo

actions-rs actions are archived and no longer maintained.

.github/workflows/rust.yml

@@ -7,15 +7,11 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: Swatinem/rust-cache@v2
+      - name: Run cargo check
+        run: cargo check
 
   test:
     name: Test Suite
@@ -37,12 +33,9 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: Swatinem/rust-cache@v2
       - name: Install Diesel
         run: cargo install diesel_cli --features=postgres
       - name: Create Test DB
@@ -59,30 +52,22 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
         with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - run: rustup component add rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+          components: rustfmt
+      - uses: Swatinem/rust-cache@v2
+      - name: Run cargo fmt
+        run: cargo fmt --all -- --check
 
   clippy:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - run: rustup component add clippy
-      - uses: actions-rs/cargo@v1
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@nightly
         with:
-          command: clippy
-          args: -- -D warnings
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - name: Run cargo clippy
+        run: cargo clippy -- -D warnings