[INFO] cloning repository https://github.com/nmstuart20/flappy_dragon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmstuart20/flappy_dragon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmstuart20%2Fflappy_dragon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmstuart20%2Fflappy_dragon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 070540de3bb9c9cce581cb525e21b631a6ceb3fd
[INFO] checking nmstuart20/flappy_dragon against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmstuart20%2Fflappy_dragon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-3-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


ExecutionFailed(ExitStatus(unix_wait_status(32768)))

failed to checkout https://github.com/nmstuart20/flappy_dragon