[INFO] fetching crate system_error 0.2.0...
[INFO] checking system_error-0.2.0 against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] extracting crate system_error 0.2.0 into /workspace/builds/worker-6-tc1/source


unable to download system_error version 0.2.0

Caused by:
    unexpected end of file