[INFO] fetching crate stump 0.2.1...
[INFO] testing stump-0.2.1 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate stump 0.2.1 into /workspace/builds/worker-4-tc1/source


unable to download stump version 0.2.1

Caused by:
    unexpected end of file