diff --git a/.github/actions/setup-builder/action.yaml b/.github/actions/setup-builder/action.yaml
index 22d2f2187dd0..a83a4f21fbdf 100644
--- a/.github/actions/setup-builder/action.yaml
+++ b/.github/actions/setup-builder/action.yaml
@@ -17,14 +17,13 @@
 
 name: Prepare Rust Builder
 description: 'Prepare Rust Build Environment'
-inputs:
-  rust-version:
-    description: 'version of rust to install (e.g. stable)'
-    required: true
-    default: 'stable'
 runs:
   using: "composite"
   steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+        fetch-depth: 1
     - name: Install Build Dependencies
       shell: bash
       run: |
@@ -36,9 +35,9 @@ runs:
       # rustfmt is needed for the substrait build script
       run: |
         RETRY=("ci/scripts/retry" timeout 120)
-        echo "Installing ${{ inputs.rust-version }}"
-        "${RETRY[@]}" rustup toolchain install ${{ inputs.rust-version }}
-        "${RETRY[@]}" rustup default ${{ inputs.rust-version }}
+        echo "Installing Rust ..."
+        # install toolchain specified by rust-toolchain.toml
+        "${RETRY[@]}" rustup toolchain install 
         "${RETRY[@]}" rustup component add rustfmt
     - name: Configure rust runtime env
       uses: ./.github/actions/setup-rust-runtime
diff --git a/.github/actions/setup-macos-aarch64-builder/action.yaml b/.github/actions/setup-macos-aarch64-builder/action.yaml
index 288799a284b0..8616cb5b91dc 100644
--- a/.github/actions/setup-macos-aarch64-builder/action.yaml
+++ b/.github/actions/setup-macos-aarch64-builder/action.yaml
@@ -17,14 +17,13 @@
 
 name: Prepare Rust Builder for MacOS
 description: 'Prepare Rust Build Environment for MacOS'
-inputs:
-  rust-version:
-    description: 'version of rust to install (e.g. stable)'
-    required: true
-    default: 'stable'
 runs:
   using: "composite"
   steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+        fetch-depth: 1
     - name: Install protobuf compiler
       shell: bash
       run: |
@@ -39,9 +38,7 @@ runs:
     - name: Setup Rust toolchain
       shell: bash
       run: |
-        rustup update stable
-        rustup toolchain install stable
-        rustup default stable
+        rustup toolchain install
         rustup component add rustfmt
     - name: Setup rust cache
       uses: Swatinem/rust-cache@v2
diff --git a/.github/actions/setup-macos-builder/action.yaml b/.github/actions/setup-macos-builder/action.yaml
index fffdab160b04..079536348e68 100644
--- a/.github/actions/setup-macos-builder/action.yaml
+++ b/.github/actions/setup-macos-builder/action.yaml
@@ -17,14 +17,13 @@
 
 name: Prepare Rust Builder for MacOS
 description: 'Prepare Rust Build Environment for MacOS'
-inputs:
-  rust-version:
-    description: 'version of rust to install (e.g. stable)'
-    required: true
-    default: 'stable'
 runs:
   using: "composite"
   steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+        fetch-depth: 1
     - name: Install protobuf compiler
       shell: bash
       run: |
@@ -39,9 +38,8 @@ runs:
     - name: Setup Rust toolchain
       shell: bash
       run: |
-        rustup update stable
-        rustup toolchain install stable
-        rustup default stable
+        # install version of rust in rust-toolchain.toml
+        rustup toolchain install
         rustup component add rustfmt
     - name: Configure rust runtime env
       uses: ./.github/actions/setup-rust-runtime        
diff --git a/.github/workflows/extended.yml b/.github/workflows/extended.yml
index 3f882d7a3a82..8646a6baed2a 100644
--- a/.github/workflows/extended.yml
+++ b/.github/workflows/extended.yml
@@ -28,8 +28,11 @@ concurrency:
 #
 # We still run them as they provide important coverage to ensure correctness
 # in the (very rare) event of a hash failure or sqlite library query failure.
-on:
-  push:
+
+# TEMP for testing
+on: [push, pull_request]
+# on:
+# push:
 
 jobs:
   # Check crate compiles and base cargo check passes
@@ -41,13 +44,10 @@ jobs:
         with:
           submodules: true
           fetch-depth: 1
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-          source $HOME/.cargo/env
-          rustup default stable
-      - name: Install Protobuf Compiler
-        run: sudo apt-get install -y protobuf-compiler
+      - name: Setup Rust toolchain
+        uses: ./.github/actions/setup-builder
+        with:
+          rust-version: stable
       - name: Prepare cargo build
         run: |
           cargo check --profile ci --all-targets
@@ -65,13 +65,10 @@ jobs:
           fetch-depth: 1
       - name: Free Disk Space (Ubuntu)
         uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-          source $HOME/.cargo/env
-          rustup default stable
-      - name: Install Protobuf Compiler
-        run: sudo apt-get install -y protobuf-compiler
+      - name: Setup Rust toolchain
+        uses: ./.github/actions/setup-builder
+        with:
+          rust-version: stable
       # For debugging, test binaries can be large.
       - name: Show available disk space
         run: |
diff --git a/dev/release/verify-release-candidate.sh b/dev/release/verify-release-candidate.sh
index 2c0bd216b3ac..a053569dcb24 100755
--- a/dev/release/verify-release-candidate.sh
+++ b/dev/release/verify-release-candidate.sh
@@ -117,8 +117,11 @@ test_source_distribution() {
 
   # build and test rust
 
+  # install the needed version of rust defined in rust-toolchain.toml
+  rustup toolchain install
+
   # raises on any formatting errors
-  rustup component add rustfmt --toolchain stable
+  rustup component add rustfmt
   cargo fmt --all -- --check
 
   # Clone testing repositories into the expected location