[INFO] fetching crate mpmc 0.1.6...
[INFO] checking mpmc-0.1.6 against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] extracting crate mpmc 0.1.6 into /workspace/builds/worker-7-tc1/source


unable to download mpmc version 0.1.6

Caused by:
    unexpected end of file