[INFO] fetching crate buttboost 0.0.1-alpha.0...
[INFO] checking buttboost-0.0.1-alpha.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-3-tc2/source


unable to download buttboost version 0.0.1-alpha.0

Caused by:
    unexpected end of file