[INFO] fetching crate ai21 0.1.4...
[INFO] checking ai21-0.1.4 against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624
[INFO] extracting crate ai21 0.1.4 into /workspace/builds/worker-3-tc1/source


unable to download ai21 version 0.1.4

Caused by:
    unexpected end of file