[INFO] fetching crate prosto 0.6.4...
[INFO] checking prosto-0.6.4 against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] extracting crate prosto 0.6.4 into /workspace/builds/worker-3-tc1/source


unable to download prosto version 0.6.4

Caused by:
    unexpected end of file