[INFO] fetching crate vc-holder 0.1.0-alpha...
[INFO] testing vc-holder-0.1.0-alpha against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate vc-holder 0.1.0-alpha into /workspace/builds/worker-2-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download vc-holder version 0.1.0-alpha
    2: unexpected end of file