[INFO] fetching crate backbone 0.1.0...
[INFO] checking backbone-0.1.0 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] extracting crate backbone 0.1.0 into /workspace/builds/worker-0-tc1/source


unable to download backbone version 0.1.0

Caused by:
    unexpected end of file