[INFO] cloning repository https://github.com/f50137/UML-san
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f50137/UML-san" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff50137%2FUML-san", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff50137%2FUML-san'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08df33e61703f761ec786b57dbd7310af5c17755
[INFO] checking f50137/UML-san against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff50137%2FUML-san" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/main.rs
[INFO] [stderr] error: unable to write file src/parser.rs
[INFO] [stderr] error: unable to write file thumbnail.png
[INFO] [stderr] error: unable to write file todo.md
[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/f50137/UML-san

Caused by:
    command failed: exit status: 128