[INFO] cloning repository https://github.com/sinian666/test_optimize1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinian666/test_optimize1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinian666%2Ftest_optimize1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinian666%2Ftest_optimize1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f46d037cf775fd4e16929b6a6ff425149f3cf8ee
[INFO] checking sinian666/test_optimize1 against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinian666%2Ftest_optimize1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
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error: unable to write file polyfill-libraries/3.40.0.json
[INFO] [stderr] fatal: cannot create directory at 'polyfill-libraries/3.40.0': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 


failed to checkout https://github.com/sinian666/test_optimize1

Caused by:
    command failed: exit status: 128