[INFO] cloning repository https://github.com/tegar-wahyu/grpc-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tegar-wahyu/grpc-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftegar-wahyu%2Fgrpc-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftegar-wahyu%2Fgrpc-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d42d35ea1435fd107399c8e18408ccf94411276f
[INFO] checking tegar-wahyu/grpc-tutorial against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftegar-wahyu%2Fgrpc-tutorial" "/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'


failed to checkout https://github.com/tegar-wahyu/grpc-tutorial

Caused by:
    command failed: exit status: 128