[INFO] cloning repository https://github.com/yatesco/arbtest-derive-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yatesco/arbtest-derive-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyatesco%2Farbtest-derive-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyatesco%2Farbtest-derive-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61e6caf1358382f6379adb07114f649569a61cee
[INFO] checking yatesco/arbtest-derive-example against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyatesco%2Farbtest-derive-example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


failed to checkout https://github.com/yatesco/arbtest-derive-example

Caused by:
    command failed: exit status: 128