[INFO] fetching crate derive_default_builder 0.1.8...
[INFO] testing derive_default_builder-0.1.8 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate derive_default_builder 0.1.8 into /workspace/builds/worker-7-tc1/source


unable to download derive_default_builder version 0.1.8

Caused by:
    unexpected end of file