[INFO] cloning repository https://github.com/iamjpotts/demo_docker_registry_auto_gen_tls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamjpotts/demo_docker_registry_auto_gen_tls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamjpotts%2Fdemo_docker_registry_auto_gen_tls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamjpotts%2Fdemo_docker_registry_auto_gen_tls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ee8f4467aacbdb34b792301d832d7f1f337a792
[INFO] checking iamjpotts/demo_docker_registry_auto_gen_tls against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamjpotts%2Fdemo_docker_registry_auto_gen_tls" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-0-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/iamjpotts/demo_docker_registry_auto_gen_tls

Caused by:
    command failed: exit status: 128