[INFO] fetching crate xin-potpourri 0.1.4...
[INFO] testing xin-potpourri-0.1.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate xin-potpourri 0.1.4 into /workspace/builds/worker-4-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download xin-potpourri version 0.1.4
    2: unexpected end of file