[INFO] fetching crate argopt 0.3.0...
[INFO] checking argopt-0.3.0 against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419
[INFO] extracting crate argopt 0.3.0 into /workspace/builds/worker-4-tc1/source


unable to download argopt version 0.3.0

Caused by:
    unexpected end of file