Run `rustup toolchain install` in each CI job

Installs the toolchain version specified in the `rust-toolchain.toml`.

.github/workflows/ci.yml

@@ -30,7 +30,10 @@ jobs:
         shell: bash
         if: runner.os == 'Windows'
 
+      - run: rustup self update
+
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
       - name: Free Disk Space (Ubuntu)
@@ -80,7 +83,9 @@ jobs:
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 60
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
       - name: Free Disk Space (Ubuntu)
@@ -141,7 +146,9 @@ jobs:
     runs-on: ubuntu-22.04
     timeout-minutes: 45
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
 
       - name: Free Disk Space (Ubuntu)
@@ -219,7 +226,9 @@ jobs:
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 60
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
       - uses: Swatinem/rust-cache@v2
@@ -242,7 +251,9 @@ jobs:
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 60
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
       - name: Free Disk Space (Ubuntu)
@@ -354,13 +365,13 @@ jobs:
 
           dora destroy
 
-          # Run Python queue latency test 
+          # Run Python queue latency test
           dora run tests/queue_size_latest_data_python/dataflow.yaml
 
           # Run Python queue latency test + timeout
           dora run tests/queue_size_and_timeout_python/dataflow.yaml
 
-          # Run Rust queue latency test 
+          # Run Rust queue latency test
           dora build tests/queue_size_latest_data_rust/dataflow.yaml
           dora run tests/queue_size_latest_data_rust/dataflow.yaml
 
@@ -406,7 +417,9 @@ jobs:
     name: "Clippy"
     runs-on: ubuntu-latest
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
 
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
@@ -424,7 +437,9 @@ jobs:
     name: "Formatting"
     runs-on: ubuntu-latest
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - name: "rustfmt"
         run: cargo fmt --all -- --check
@@ -433,7 +448,9 @@ jobs:
     name: "License Checks"
     runs-on: ubuntu-latest
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
 
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - run: cargo --version --verbose
@@ -482,7 +499,9 @@ jobs:
             target: x86_64-apple-darwin
       fail-fast: false
     steps:
+      - run: rustup self update
       - uses: actions/checkout@v3
+      - run: rustup toolchain install
       - uses: r7kamura/rust-problem-matchers@v1.1.0
       - name: "Add toolchains"
         run: rustup target add ${{ matrix.platform.target }}