[INFO] fetching crate sfifo 0.1.1...
[INFO] testing sfifo-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate sfifo 0.1.1 into /workspace/builds/worker-4-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download sfifo version 0.1.1
    2: failed to unpack `sfifo-0.1.1/src/lib.rs` into `/workspace/builds/worker-4-tc1/source/src/lib.rs`
    3: No space left on device (os error 28)