[INFO] fetching crate welford 0.1.0...
[INFO] checking welford-0.1.0 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] extracting crate welford 0.1.0 into /workspace/builds/worker-5-tc1/source


unable to download welford version 0.1.0

Caused by:
    unexpected end of file