[INFO] fetching crate opt-gen 0.0.1...
[INFO] checking opt-gen-0.0.1 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] checking opt-gen-0.0.1 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] checking opt-gen-0.0.1 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] checking opt-gen-0.0.1 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] checking opt-gen-0.0.1 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate opt-gen 0.0.1 into /workspace/builds/worker-1-tc2/source


unable to download opt-gen version 0.0.1

Caused by:
    unexpected end of file