Refactor CI workflow: Replace manual caching with Swatinem/rust-cache for improved performance and simplicity

Author: stevefan1999-personal

.github/workflows/rustls-rustcrypto.yml

@@ -13,87 +13,34 @@ permissions:
   contents: read
 
 env:
-  CARGO_INCREMENTAL: 0
   RUSTFLAGS: "-Dwarnings"
-  CARGO_HOME: ${{ github.workspace }}/.cargo
-  CARGO_TARGET_DIR: ${{ github.workspace }}/target
 
 jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Cache Rust toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-            ~/.rustup/downloads
-          key: rust-toolchain-${{ runner.os }}-1.88.0-clippy
-          restore-keys: |
-            rust-toolchain-${{ runner.os }}-1.88.0
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.88.0
           components: clippy
-      - name: Cache Cargo registry and index
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-${{ runner.os }}-
+      - uses: Swatinem/rust-cache@v2
       - run: cargo clippy --all --all-features -- -D warnings
 
   doc:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Cache Rust toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-            ~/.rustup/downloads
-          key: rust-toolchain-${{ runner.os }}-stable-doc
-          restore-keys: |
-            rust-toolchain-${{ runner.os }}-stable
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
-      - name: Cache Cargo registry and index
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-${{ runner.os }}-
-      - name: Cache target directory
-        uses: actions/cache@v4
-        with:
-          path: target
-          key: cargo-doc-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-doc-${{ runner.os }}-
+      - uses: Swatinem/rust-cache@v2
       - run: cargo doc --all-features --no-deps
 
   rustfmt:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Cache Rust toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-            ~/.rustup/downloads
-          key: rust-toolchain-${{ runner.os }}-stable-rustfmt
-          restore-keys: |
-            rust-toolchain-${{ runner.os }}-stable
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
@@ -123,35 +70,13 @@ jobs:
             target: riscv32imac-unknown-none-elf
     steps:
       - uses: actions/checkout@v4
-      - name: Cache Rust toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-            ~/.rustup/downloads
-          key: rust-toolchain-${{ runner.os }}-${{ matrix.rust }}-${{ matrix.target }}
-          restore-keys: |
-            rust-toolchain-${{ runner.os }}-${{ matrix.rust }}
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
-      - name: Cache Cargo registry and index
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-${{ runner.os }}-
-      - name: Cache target directory
-        uses: actions/cache@v4
+      - uses: Swatinem/rust-cache@v2
         with:
-          path: target
-          key: cargo-nostd-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-nostd-${{ runner.os }}-${{ matrix.target }}-
+          key: ${{ matrix.target }}
       - run: cargo build --no-default-features --features tls12,full,alloc --release --target ${{ matrix.target }}
         env:
           RUSTFLAGS: --cfg getrandom_backend="custom"
@@ -164,34 +89,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Cache Rust toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-            ~/.rustup/downloads
-          key: rust-toolchain-${{ runner.os }}-${{ matrix.toolchain }}-test
-          restore-keys: |
-            rust-toolchain-${{ runner.os }}-${{ matrix.toolchain }}
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
-      - name: Cache Cargo registry and index
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-${{ runner.os }}-
-      - name: Cache target directory
-        uses: actions/cache@v4
+      - uses: Swatinem/rust-cache@v2
         with:
-          path: target
-          key: cargo-test-${{ runner.os }}-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-test-${{ runner.os }}-${{ matrix.toolchain }}-
+          key: ${{ matrix.toolchain }}
       - run: cargo test --features tls12
       - name: Test no_std with alloc
         run: cargo test --no-default-features --features tls12,full,alloc