compile_git_mismatched_name flakes on hardlink fallback warning

Run: https://github.com/astral-sh/uv-dev/actions/runs/32384027751
Job: https://github.com/astral-sh/uv-dev/actions/runs/32384027751/job/96474164654

The CI workflow’s test / cargo test on linux job failed on Depot Ubuntu 24.04 during attempt 1 because pip_compile::compile_git_mismatched_name emitted an intermittent link-mode warning that was absent from its inline snapshot:

FAIL uv::pip_compile::pip_compile::compile_git_mismatched_name
+warning: Failed to hardlink files; falling back to full copy.
snapshot assertion for 'compile_git_mismatched_name' failed

The expected package-name mismatch error was otherwise unchanged. #818 does not modify this test or the workflow, and the test helper’s documentation says this warning can appear inconsistently depending on the environment. Similar snapshot flakes were mitigated for other tests by astral-sh#7012 and astral-sh#7512, but neither covers this test.

The exact filesystem error was not logged, so its immediate cause remains unknown. Filtering the link-mode warning for this environment-sensitive test, or otherwise making its link behavior deterministic, would prevent unrelated pull requests from failing.

Another workflow run encountered this failure: https://github.com/astral-sh/uv-dev/actions/runs/33540325995

Another workflow run encountered this failure: https://github.com/astral-sh/uv-dev/actions/runs/34672823876

This combined sample also independently hit the Depot status-stream connection-reset failure tracked by #1358 in build-docker / build uv.

Another workflow run encountered this failure: https://github.com/astral-sh/uv-dev/actions/runs/36631199552

This occurrence affected Dry-run resolver test benchmark / Linux replicate 3 during the archived baseline warmup, rather than the regular Linux cargo-test job; the warning-only snapshot difference was otherwise identical.

Another workflow run encountered this failure: https://github.com/astral-sh/uv-dev/actions/runs/37532952514

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compile_git_mismatched_name flakes on hardlink fallback warning #823

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compile_git_mismatched_name flakes on hardlink fallback warning #823

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astral-automations-bot commented on Sep 1, 2026

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