[INFO] fetching crate luban_lib 0.1.0...
[INFO] testing luban_lib-0.1.0 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] extracting crate luban_lib 0.1.0 into /workspace/builds/worker-2-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download luban_lib version 0.1.0
    2: failed to unpack `luban_lib-0.1.0/src/lib.rs` into `/workspace/builds/worker-2-tc1/source/src/lib.rs`
    3: No space left on device (os error 28)