[INFO] fetching crate natural_numbers 0.1.0...
[INFO] testing natural_numbers-0.1.0 against 1.90.0 for beta-1.91-2
[INFO] extracting crate natural_numbers 0.1.0 into /workspace/builds/worker-7-tc1/source


unable to download natural_numbers version 0.1.0

Caused by:
    unexpected end of file