Switch back to stable toolchain

.github/workflows/check-lint-test.yaml

@@ -21,24 +21,24 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v3
       - name: Install toolchain
-        uses: dtolnay/rust-toolchain@nightly
+        uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt, clippy
       - uses: Swatinem/rust-cache@v2
         with:
           cache-on-failure: true
 
       - name: cargo check
-        run: cargo +nightly check --all --all-features --benches --tests
+        run: cargo check --all --all-features --benches --tests
 
       - name: cargo fmt
-        run: cargo +nightly fmt --all --check
+        run: cargo fmt --all --check
 
       - name: cargo clippy
-        run: cargo +nightly clippy --all --all-features --benches --tests
+        run: cargo clippy --all --all-features --benches --tests
 
       - name: cargo test
-        run: cargo +nightly test
+        run: cargo test
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

Dockerfile

@@ -8,16 +8,15 @@ WORKDIR /app
 RUN apt-get update && apt-get -y upgrade && apt-get install -y libclang-dev pkg-config
 
 COPY Cargo.toml Cargo.lock ./
-RUN rustup install nightly
 RUN mkdir src/
 RUN echo "fn main() {}" > dummy.rs
 RUN sed -i 's#src/main.rs#dummy.rs#' Cargo.toml
-RUN cargo +nightly build --release
+RUN cargo build --release
 
 # Build executable.
 RUN sed -i 's#dummy.rs#src/main.rs#' Cargo.toml
 COPY src ./src
-RUN cargo +nightly build --release
+RUN cargo build --release
 
 # Build runtime image.
 FROM gcr.io/distroless/cc-debian12 AS runtime