[INFO] fetching crate buttboost 0.0.1-alpha.0...
[INFO] checking buttboost-0.0.1-alpha.0 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-2-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-2-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-2-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-2-tc2/source
[INFO] checking buttboost-0.0.1-alpha.0 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] extracting crate buttboost 0.0.1-alpha.0 into /workspace/builds/worker-2-tc2/source


unable to download buttboost version 0.0.1-alpha.0

Caused by:
    unexpected end of file