chore: Add rust-toolchain.toml to ensure consistent toolchain version

.github/actions/setup-builder/action.yaml

@@ -17,15 +17,6 @@
 
 name: Prepare Rust Builder
 description: 'Prepare Rust Build Environment'
-inputs:
-  rust-version:
-    description: 'version of rust to install (e.g. stable)'
-    required: false
-    default: 'stable'
-  target:
-    description: 'target architecture(s)'
-    required: false
-    default: 'x86_64-unknown-linux-gnu'
 runs:
   using: "composite"
   steps:
@@ -43,6 +34,9 @@ runs:
           /usr/local/cargo/git/db/
         key: cargo-cache3-${{ hashFiles('**/Cargo.toml') }}
         restore-keys: cargo-cache3-
+    - name: Setup Rust toolchain
+      shell: bash
+      run: rustup install
     - name: Generate lockfile
       shell: bash
       run: cargo fetch
@@ -51,12 +45,6 @@ runs:
       run: |
         apt-get update
         apt-get install -y protobuf-compiler
-    - name: Setup Rust toolchain
-      shell: bash
-      run: |
-        echo "Installing ${{ inputs.rust-version }}"
-        rustup toolchain install ${{ inputs.rust-version }} --target ${{ inputs.target }}
-        rustup default ${{ inputs.rust-version }}
     - name: Disable debuginfo generation
       # Disable full debug symbol generation to speed up CI build and keep memory down
       # "1" means line tables only, which is useful for panic tracebacks.

.github/workflows/arrow.yml

@@ -148,8 +148,10 @@ jobs:
           submodules: true
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
-        with:
-          target: wasm32-unknown-unknown,wasm32-wasip1
+      - name: Install wasm32 targets
+        run: |
+          rustup target add wasm32-unknown-unknown
+          rustup target add wasm32-wasip1
       - name: Build wasm32-unknown-unknown
         run: cargo build -p arrow --no-default-features --features=json,csv,ipc,ffi --target wasm32-unknown-unknown
       - name: Build wasm32-wasip1

.github/workflows/docs.yml

@@ -34,12 +34,8 @@ jobs:
   docs:
     name: Rustdocs are clean
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        arch: [ amd64 ]
-        rust: [ nightly ]
     container:
-      image: ${{ matrix.arch }}/rust
+      image: amd64/rust
       env:
         RUSTDOCFLAGS: "-Dwarnings --enable-index-page -Zunstable-options"
     steps:
@@ -52,10 +48,10 @@ jobs:
           apt install -y libpython3.11-dev
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
-        with:
-          rust-version: ${{ matrix.rust }}
+      - name: Install Nightly Rust
+        run: rustup install nightly
       - name: Run cargo doc
-        run: cargo doc --document-private-items --no-deps --workspace --all-features
+        run: cargo +nightly doc --document-private-items --no-deps --workspace --all-features
       - name: Fix file permissions
         shell: sh
         run: |

.github/workflows/parquet.yml

@@ -133,8 +133,10 @@ jobs:
           submodules: true
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-builder
-        with:
-          target: wasm32-unknown-unknown,wasm32-wasip1
+      - name: Install wasm32 targets
+        run: |
+            rustup target add wasm32-unknown-unknown
+            rustup target add wasm32-wasip1
       - name: Install clang # Needed for zlib compilation
         run: apt-get update && apt-get install -y clang gcc-multilib
       - name: Build wasm32-unknown-unknown

rust-toolchain.toml

@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+[toolchain]
+channel = "1.89"
+components = ["rustfmt", "clippy"]