[INFO] fetching crate rcsubstring 0.2.0...
[INFO] testing rcsubstring-0.2.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate rcsubstring 0.2.0 into /workspace/builds/worker-6-tc1/source


unable to download rcsubstring version 0.2.0

Caused by:
    unexpected end of file