[INFO] fetching crate arbtree 0.2.0...
[INFO] checking arbtree-0.2.0 against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] extracting crate arbtree 0.2.0 into /workspace/builds/worker-4-tc1/source


unable to download arbtree version 0.2.0

Caused by:
    unexpected end of file