[INFO] fetching crate witgen 0.15.0...
[INFO] testing witgen-0.15.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate witgen 0.15.0 into /workspace/builds/worker-3-tc1/source


unable to download witgen version 0.15.0

Caused by:
    0: failed to unpack `witgen-0.15.0/README.md` into `/workspace/builds/worker-3-tc1/source/README.md`
    1: unexpected end of file