build: Pin Rust toolchain minor version

Pin the Rust toolchain minor version to 1.89.

Author: szokeasaurusrex

.github/workflows/build.yml

@@ -33,6 +33,11 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # 5.0.0
 
+      - name: Add Rustup Target
+        run: |
+          rustup set profile minimal
+          rustup target add ${{ matrix.target }}
+
       - name: Cache Dependencies
         uses: swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # 2.8.0
 

.github/workflows/lint.yml

@@ -40,11 +40,11 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # 5.0.0
 
-      - name: Install Rust Toolchain
-        run: rustup toolchain install stable --profile minimal --component clippy --component rustfmt --no-self-update
-
-      - name: Add Target
-        run: rustup target add ${{ matrix.target }}
+      - name: Setup Rust Toolchain
+        run: |
+          rustup set profile minimal
+          rustup component add clippy rustfmt
+          rustup target add ${{ matrix.target }}
 
       - name: Install musl-gcc (Linux only)
         if: matrix.os == 'ubuntu-24.04'

.github/workflows/test.yml

@@ -41,8 +41,10 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # 5.0.0
 
-      - name: Add Target
-        run: rustup target add ${{ matrix.target }}
+      - name: Setup Rust Toolchain
+        run: |
+          rustup set profile minimal
+          rustup target add ${{ matrix.target }}
 
       - name: Install musl-gcc (Linux only)
         if: matrix.os == 'ubuntu-24.04'

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+# We pin the minor version to prevent new Clippy lints from breaking CI.
+# But, we still want to pick up new patch versions.
+channel = "1.89"