Switch to action-rs/toolchain for Rust installation in CI

Co-authored-by: nitnelave <796633+nitnelave@users.noreply.github.com>

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.85
+FROM rust:1.85.0
 
 ARG USERNAME=lldapdev
 # We need to keep the user as 1001 to match the GitHub runner's UID.

.github/workflows/Dockerfile.dev

@@ -1,5 +1,5 @@
 # Keep tracking base image
-FROM rust:1.85-slim-bookworm
+FROM rust:1.85.0-slim-bookworm
 
 # Set needed env path
 ENV PATH="/opt/armv7l-linux-musleabihf-cross/:/opt/armv7l-linux-musleabihf-cross/bin/:/opt/aarch64-linux-musl-cross/:/opt/aarch64-linux-musl-cross/bin/:/opt/x86_64-linux-musl-cross/:/opt/x86_64-linux-musl-cross/bin/:$PATH"

.github/workflows/rust.yml

@@ -8,6 +8,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUST_VERSION: "1.85.0"
 
 jobs:
   pre_job:
@@ -34,6 +35,11 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v5.0.0
+      - name: Install Rust ${{ env.RUST_VERSION }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          override: true
       - uses: Swatinem/rust-cache@v2
       - name: Build
         run: cargo build --verbose --workspace
@@ -54,6 +60,13 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v5.0.0
 
+      - name: Install Rust ${{ env.RUST_VERSION }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          override: true
+          components: clippy
+
       - uses: Swatinem/rust-cache@v2
 
       - name: Run cargo clippy
@@ -71,6 +84,13 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v5.0.0
 
+      - name: Install Rust ${{ env.RUST_VERSION }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          override: true
+          components: rustfmt
+
       - uses: Swatinem/rust-cache@v2
 
       - name: Run cargo fmt
@@ -90,8 +110,17 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v5.0.0
 
-      - name: Install Rust
-        run: rustup toolchain install nightly --component llvm-tools-preview && rustup component add llvm-tools-preview --toolchain stable-x86_64-unknown-linux-gnu
+      - name: Install Rust ${{ env.RUST_VERSION }} and nightly
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          override: true
+          components: llvm-tools-preview
+      - name: Install nightly toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          components: llvm-tools-preview
 
       - uses: taiki-e/install-action@cargo-llvm-cov
 

Cargo.toml

@@ -16,6 +16,7 @@ edition = "2024"
 homepage = "https://github.com/lldap/lldap"
 license = "GPL-3.0-only"
 repository = "https://github.com/lldap/lldap"
+rust-version = "1.85.0"
 
 [profile.release]
 lto = true

Dockerfile

@@ -1,5 +1,5 @@
 # Build image
-FROM rust:alpine3.21 AS chef
+FROM rust:1.85.0-alpine3.21 AS chef
 
 RUN set -x \
     # Add user