[INFO] cloning repository https://github.com/mokshitagupta/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mokshitagupta/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokshitagupta%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokshitagupta%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 922fb59b34e4dc2a36d850eaced50344f7861480
[INFO] checking mokshitagupta/rust-raytracer against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokshitagupta%2Frust-raytracer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file renders/depthof17.ppm
[INFO] [stderr] error: unable to write file renders/depthof18.ppm
[INFO] [stderr] Updating files:  40% (25/61)
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Updating files: 100% (61/61), done.
[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/mokshitagupta/rust-raytracer

Caused by:
    command failed: exit status: 128