[INFO] fetching crate hist2d 0.1.2...
[INFO] testing hist2d-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate hist2d 0.1.2 into /workspace/builds/worker-3-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download hist2d version 0.1.2
    2: unexpected end of file