[INFO] fetching crate zip-optional 0.1.0...
[INFO] checking zip-optional-0.1.0 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] extracting crate zip-optional 0.1.0 into /workspace/builds/worker-0-tc1/source


unable to download zip-optional version 0.1.0

Caused by:
    No space left on device (os error 28)