[INFO] fetching crate slab_32 0.1.1...
[INFO] testing slab_32-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate slab_32 0.1.1 into /workspace/builds/worker-3-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download slab_32 version 0.1.1
    2: failed to unpack `slab_32-0.1.1/.travis.yml` into `/workspace/builds/worker-3-tc1/source/.travis.yml`
    3: No space left on device (os error 28)