CI: update rust toolchain in workflows

We decided to unify CI, and make use of latest stable version of
rust toolchain for each of the workflows that actually uses it.
The only exception is `Rust / min_rust` job, which uses MSRV.

Author: muzarski

.github/workflows/authenticate_test.yml

@@ -27,5 +27,7 @@ jobs:
         options: --health-cmd "cqlsh --username cassandra --password cassandra --debug" --health-interval 5s --health-retries 30
     steps:
     - uses: actions/checkout@v3
+    - name: Update rust toolchain
+      run: rustup update
     - name: Run tests
       run: RUST_LOG=trace cargo test --verbose authenticate_superuser -- custom_authentication --ignored

.github/workflows/book.yml

@@ -27,6 +27,8 @@ jobs:
         options: --health-cmd "cqlsh --debug scylladb" --health-interval 5s --health-retries 10
     steps:
     - uses: actions/checkout@v3
+    - name: Update rust toolchain
+      run: rustup update
     - name: Install mdbook
       run: cargo install mdbook --no-default-features
     - name: Build the project

.github/workflows/cassandra.yml

@@ -25,6 +25,8 @@ jobs:
       run: |
         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
+    - name: Update rust toolchain
+      run: rustup update
     - name: Build the project
       run: cargo build --verbose --tests --features "full-serialization"
     - name: Run tests on cassandra

.github/workflows/rust.yml

@@ -26,6 +26,8 @@ jobs:
       run: |
         sudo sh -c "echo 2097152 >> /proc/sys/fs/aio-max-nr"
         docker compose -f test/cluster/docker-compose.yml up -d --wait
+    - name: Update rust toolchain
+      run: rustup update
     - name: Print rustc version
       run: rustc --version
     - name: Print rustfmt version
@@ -98,5 +100,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - name: Update rust toolchain
+      run: rustup update
     - name: Compile docs
       run: RUSTDOCFLAGS=-Dwarnings cargo doc

.github/workflows/semver_checks.yml

@@ -56,6 +56,8 @@ jobs:
     # I don't know any way to do this using checkout action
     - name: Fetch PR base
       run: git fetch origin "$PR_BASE"
+    - name: Update rust toolchain
+      run: rustup update
     - name: Install semver-checks
       # Official action uses binary releases fetched from GitHub
       # If this pipeline becomes too slow, we should do this too
@@ -142,6 +144,8 @@ jobs:
     timeout-minutes: 30
     steps:
     - uses: actions/checkout@v3
+    - name: Update rust toolchain
+      run: rustup update
     - name: Install semver-checks
       run: cargo install cargo-semver-checks --no-default-features
     - name: Run semver-checks to see if it agrees with version updates

.github/workflows/serverless.yaml

@@ -29,7 +29,8 @@ jobs:
         run: |
           ccm create serverless -i 127.0.1. -n 1 --scylla -v release:5.1.6
           ccm start  --sni-proxy --sni-port 7777
-
+      - name: Update rust toolchain
+        run: rustup update
       - name: Check
         run: cargo check --verbose
       - name: Run cloud example

.github/workflows/tls.yml

@@ -32,6 +32,8 @@ jobs:
       working-directory: ./scylla
     steps:
     - uses: actions/checkout@v3
+    - name: Update rust toolchain
+      run: rustup update
     - name: Check
       run: cargo check --verbose --features "ssl"
       working-directory: ${{env.working-directory}}