[INFO] fetching crate constrainer 0.0.2...
[INFO] checking constrainer-0.0.2 against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] extracting crate constrainer 0.0.2 into /workspace/builds/worker-6-tc1/source


unable to download constrainer version 0.0.2

Caused by:
    unexpected end of file