[INFO] fetching crate opt-gen 0.0.1...
[INFO] checking opt-gen-0.0.1 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc1/source


unable to download opt-gen version 0.0.1

Caused by:
    unexpected end of file