CI: Explicitly install rust using dtolnay/rust-toolchain@master and…

… install mdbook using `taiki-e/install-action@v2`

.github/workflows/authenticate_test.yml

@@ -27,6 +27,9 @@ jobs:
         options: --health-cmd "cqlsh --username cassandra --password cassandra --debug" --health-interval 5s --health-retries 30
     steps:
     - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: stable
     - uses: Swatinem/rust-cache@v2
     - name: Run tests
       run: cargo test --verbose authenticate_superuser -- custom_authentication --ignored

.github/workflows/book.yml

@@ -27,9 +27,14 @@ jobs:
         options: --health-cmd "cqlsh --debug scylladb" --health-interval 5s --health-retries 10
     steps:
     - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: stable
     - uses: Swatinem/rust-cache@v2
     - name: Install mdbook
-      run: cargo install mdbook --no-default-features
+      uses: taiki-e/install-action@v2
+      with:
+        tool: mdbook
     - name: Build the project
       run: cargo build --verbose --examples
     - name: Build the book

.github/workflows/cassandra.yml

@@ -26,6 +26,9 @@ jobs:
         docker compose -f test/cluster/cassandra/docker-compose.yml up -d --wait
       # A separate step for building to separate measuring time of compilation and testing
     - uses: Swatinem/rust-cache@v2
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: stable
     - name: Build the project
       run: cargo build --verbose --tests --features "full-serialization"
     - name: Run tests on cassandra

.github/workflows/rust.yml

@@ -26,6 +26,10 @@ jobs:
       run: |
         sudo sh -c "echo 2097152 >> /proc/sys/fs/aio-max-nr"
         docker compose -f test/cluster/docker-compose.yml up -d --wait
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: stable
+        components: rustfmt, clippy
     - uses: Swatinem/rust-cache@v2
     - name: Format check
       run: cargo fmt --verbose --all -- --check
@@ -62,9 +66,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install Rust ${{ env.rust_min }}
-      run: |
-        rustup install ${{ env.rust_min }}
-        rustup override set ${{ env.rust_min }}
+      uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: ${{ env.rust_min }}
     - uses: Swatinem/rust-cache@v2
     - name: Print Rust version
       run: rustc --version

.github/workflows/serverless.yaml

@@ -30,6 +30,9 @@ jobs:
           ccm create serverless -i 127.0.1. -n 1 --scylla -v release:5.1.6
           ccm start  --sni-proxy --sni-port 7777
 
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
       - uses: Swatinem/rust-cache@v2
       - name: Check
         run: cargo check --verbose

.github/workflows/tls.yml

@@ -32,6 +32,9 @@ jobs:
       working-directory: ./scylla
     steps:
     - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: stable
     - uses: Swatinem/rust-cache@v2
     - name: Check
       run: cargo check --verbose --features "ssl"