[INFO] cloning repository https://github.com/vbo/nnrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vbo/nnrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbo%2Fnnrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbo%2Fnnrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2321ff9ded9e103826e2f6523d21cf5b8912a3b
[INFO] testing vbo/nnrs against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbo%2Fnnrs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file data/t10k-images-idx3-ubyte
[INFO] [stderr] error: unable to write file data/t10k-labels-idx1-ubyte
[INFO] [stderr] error: unable to write file data/train-images-idx3-ubyte
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 


failed to checkout https://github.com/vbo/nnrs

Caused by:
    command failed: exit status: 128