[INFO] fetching crate std-mumu 0.3.0-rc.8...
[INFO] testing std-mumu-0.3.0-rc.8 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate std-mumu 0.3.0-rc.8 into /workspace/builds/worker-4-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download std-mumu version 0.3.0-rc.8
    2: No space left on device (os error 28)