[INFO] fetching crate perfer 0.1.2...
[INFO] checking perfer-0.1.2 against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] extracting crate perfer 0.1.2 into /workspace/builds/worker-2-tc1/source


unable to download perfer version 0.1.2

Caused by:
    unexpected end of file