[INFO] fetching crate opt_vec 0.1.2...
[INFO] checking opt_vec-0.1.2 against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] extracting crate opt_vec 0.1.2 into /workspace/builds/worker-4-tc1/source


unable to download opt_vec version 0.1.2

Caused by:
    0: failed to unpack `opt_vec-0.1.2/.gitignore` into `/workspace/builds/worker-4-tc1/source/.gitignore`
    1: No space left on device (os error 28)