chore(ci): set rustup profile to minimal so we do not download docs (#1814)

# What does this PR do?

Using the minimal rustup profile means we don't have to download `rust-docs`, which is ~600mb and unnecessary. 

likely to have a minimal impact on CI run time, but is good hygiene nonetheless. 
# Motivation

What inspired you to submit this pull request?

# Additional Notes

Anything else we should know when reviewing?

# How to test the change?

Describe here in detail how the change can be validated.


Co-authored-by: edmund.kump <edmund.kump@datadoghq.com>

Author: ekump

.github/actions/clippy-annotation-reporter/action.yml

@@ -25,7 +25,7 @@ runs:
   steps:
     - name: Set up Rust
       shell: bash
-      run: rustup install stable && rustup default stable
+      run: rustup set profile minimal && rustup install stable && rustup default stable
 
     - name: Fetch all branches
       shell: bash

.github/workflows/clippy-annotation-reporter.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           fetch-depth: 0  # Full history
       - name: Install Rust
-        run: rustup install stable
+        run: rustup set profile minimal && rustup install stable
       - name: Run annotation reporter
         uses: ./.github/actions/clippy-annotation-reporter
         with:

.github/workflows/coverage.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           submodules: recursive
       - name: Install Rust
-        run: rustup install nightly-2026-02-08 && rustup default nightly-2026-02-08
+        run: rustup set profile minimal && rustup install nightly-2026-02-08 && rustup default nightly-2026-02-08
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@2c41309d51ede152b6f2ee6bf3b71e6dc9a8b7df # 2.49.27
         with:

.github/workflows/lint.yml

@@ -27,7 +27,7 @@ jobs:
         with:
           submodules: recursive
       - name: Install nightly-2026-02-08 toolchain and rustfmt
-        run: rustup install nightly-2026-02-08 && rustup default nightly-2026-02-08 && rustup component add rustfmt
+        run: rustup set profile minimal && rustup install nightly-2026-02-08 && rustup default nightly-2026-02-08 && rustup component add rustfmt
       - name: Cache [rust]
         uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
         with:
@@ -48,7 +48,7 @@ jobs:
         with:
           submodules: recursive
       - name: Install ${{ matrix.rust_version }} toolchain and clippy
-        run: rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }} && rustup component add clippy
+        run: rustup set profile minimal && rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }} && rustup component add clippy
       - name: Cache [rust]
         uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
         with:

.github/workflows/pr-title-semver-check.yml

@@ -91,8 +91,9 @@ jobs:
 
       - name: Install Rust ${{ env.RUST_VERSION }}
         run: |
+          rustup set profile minimal
           rustup install ${{ env.RUST_VERSION }} && rustup default ${{ env.RUST_VERSION }}
-          rustup toolchain install nightly-2026-02-08 --profile minimal
+          rustup toolchain install nightly-2026-02-08
           # Link the dated nightly as 'nightly' for tools (like cargo-public-api) that expect it
           ln -sf ~/.rustup/toolchains/nightly-2026-02-08-x86_64-unknown-linux-gnu ~/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu
 

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
           submodules: recursive
       - name: Install Rust ${{ matrix.rust_version }}
         if: matrix.rust_version != ''
-        run: rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }}
+        run: rustup set profile minimal && rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }}
       - id: rust-version
         # On Windows run happens in a PowerShell, so start bash explicitly
         run: bash -c 'echo "version=$(rustc --version)" >> $GITHUB_OUTPUT'
@@ -195,7 +195,7 @@ jobs:
           swap-storage: true
       - name: Install Rust ${{ matrix.rust_version }}
         if: matrix.rust_version != ''
-        run: rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }}
+        run: rustup set profile minimal && rustup install ${{ matrix.rust_version }} && rustup default ${{ matrix.rust_version }}
 
       - id: rust-version
         # On Windows run happens in a PowerShell, so start bash explicitly

.github/workflows/verify-proto-files.yml

@@ -46,7 +46,7 @@ jobs:
         run: |
           ../../../.github/workflows/diff-proto-files.sh --file idx/span.proto --tag ${{ env.DATADOG_AGENT_TAG }}
       - name: Install ${{ env.rust_version }} toolchain
-        run: rustup install ${{ env.rust_version }} && rustup default ${{ env.rust_version }}
+        run: rustup set profile minimal && rustup install ${{ env.rust_version }} && rustup default ${{ env.rust_version }}
       - name: Cache [rust]
         uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
         with: