[INFO] fetching crate welford 0.1.0...
[INFO] testing welford-0.1.0 against 1.94.0 for beta-1.95-1
[INFO] extracting crate welford 0.1.0 into /workspace/builds/worker-3-tc1/source


unable to download welford version 0.1.0

Caused by:
    unexpected end of file