[INFO] cloning repository https://github.com/yit6/rust-opengl-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yit6/rust-opengl-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyit6%2Frust-opengl-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyit6%2Frust-opengl-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41b4f5ea6d43a7278c9a939510c898dd33838616
[INFO] checking yit6/rust-opengl-experiment against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyit6%2Frust-opengl-experiment" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/main.rs
[INFO] [stderr] error: unable to write file src/quaternion.rs
[INFO] [stderr] error: unable to write file src/teapot.rs
[INFO] [stderr] error: unable to write file src/transform.rs
[INFO] [stderr] error: unable to write file src/vert.glsl
[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/yit6/rust-opengl-experiment

Caused by:
    command failed: exit status: 128