[INFO] fetching crate u2f 0.2.0...
[INFO] testing u2f-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate u2f 0.2.0 into /workspace/builds/worker-4-tc1/source


unable to download u2f version 0.2.0

Caused by:
    unexpected end of file