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Merged
lwshang merged 1 commit into from
Jun 9, 2026
Merged

ci: stabilize the Rust cache key by removing the runner's bundled toolchain #598

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30 changes: 30 additions & 0 deletions .github/workflows/checks.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,12 @@ jobs:
- name: Setup image (Linux)
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-checks
Expand All @@ -62,6 +68,12 @@ jobs:
- name: Setup image (Linux)
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-checks
Expand All @@ -84,6 +96,12 @@ jobs:
- name: Setup image (Linux)
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-checks
Expand Down Expand Up @@ -132,6 +150,12 @@ jobs:
- name: Setup image (Linux)
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-checks
Expand Down Expand Up @@ -168,6 +192,12 @@ jobs:
- name: Setup image (Linux)
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-checks
Expand Down
12 changes: 12 additions & 0 deletions .github/workflows/test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,12 @@ jobs:
if: ${{ contains(matrix.os, 'ubuntu') }}
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-test
Expand Down Expand Up @@ -131,6 +137,12 @@ jobs:
"$env:USERPROFILE\.cargo", `
"$env:USERPROFILE\.rustup" -ErrorAction SilentlyContinue

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-test
Expand Down
6 changes: 6 additions & 0 deletions .github/workflows/validate-examples.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,12 @@ jobs:
if: ${{ contains(matrix.os, 'ubuntu') }}
run: ./.github/scripts/provision-linux-build.sh

# rust-cache hashes all installed toolchains; the runner image's `stable`
# drifts as the image updates, which moves the cache key and causes misses.
# Remove it so only the rust-toolchain.toml-pinned version remains.
- name: Remove the runner's bundled Rust toolchain
run: rustup toolchain remove stable 2>/dev/null || true

- uses: actions-rust-lang/setup-rust-toolchain@150fca883cd4034361b621bd4e6a9d34e5143606 # v1.15.4
with:
cache-shared-key: ${{ runner.os }}-validate
Expand Down
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