[INFO] cloning repository https://github.com/bui-duc-huy/substrate-kitties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bui-duc-huy/substrate-kitties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fsubstrate-kitties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fsubstrate-kitties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8cd4d09f8f445ce3638d12968fe62fad0e3b6cc
[INFO] checking bui-duc-huy/substrate-kitties against master#f5d3fe273b8b9e7125bf8856d44793b6cc4b6735 for pr-139587-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbui-duc-huy%2Fsubstrate-kitties" "/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.repositoryformatversion' to '0'


failed to checkout https://github.com/bui-duc-huy/substrate-kitties

Caused by:
    command failed: exit status: 128