[INFO] fetching crate rustcow 0.1.0...
[INFO] checking rustcow-0.1.0 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] extracting crate rustcow 0.1.0 into /workspace/builds/worker-0-tc1/source


unable to download rustcow version 0.1.0

Caused by:
    unexpected end of file