[INFO] fetching crate slice_map 0.2.7...
[INFO] testing slice_map-0.2.7 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate slice_map 0.2.7 into /workspace/builds/worker-3-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download slice_map version 0.2.7
    2: failed to unpack `slice_map-0.2.7/src/_unused/slice_slots.rs` into `/workspace/builds/worker-3-tc1/source/src/_unused/slice_slots.rs`
    3: No space left on device (os error 28)