[INFO] cloning repository https://github.com/raphlinus/dx11-toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raphlinus/dx11-toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fdx11-toy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fdx11-toy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3700a740541b643731c4c68f11b3cde6f5950cf
[INFO] checking raphlinus/dx11-toy against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphlinus%2Fdx11-toy" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-4-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/raphlinus/dx11-toy

Caused by:
    command failed: exit status: 128