[INFO] cloning repository https://github.com/eatradish/fark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eatradish/fark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featradish%2Ffark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featradish%2Ffark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b34bc64307a4414089ef7abc465cd45fcd1c94c
[INFO] checking eatradish/fark against master#cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featradish%2Ffark" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-6-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/eatradish/fark

Caused by:
    command failed: exit status: 128