Install specific Rust toolchain

Author: maneatingape

.github/workflows/checks.yml

@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - run: rustup install 1.74 --profile default
+    - run: rustup default 1.74
     - run: cargo fmt --check
     - run: cargo clippy --tests --all-features -- --deny warnings
     - run: cargo test

.github/workflows/docs.yml

@@ -18,6 +18,8 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - uses: actions/checkout@v3
+      - run: rustup install 1.74 --profile default
+      - run: rustup default 1.74
       - run: cargo doc
         env:
           RUSTDOCFLAGS: "--document-private-items --default-theme=ayu -Dwarnings"