[INFO] fetching crate once 0.3.4...
[INFO] checking once-0.3.4 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate once 0.3.4 into /workspace/builds/worker-5-tc1/source


unable to download once version 0.3.4

Caused by:
    unexpected end of file