[INFO] cloning repository https://github.com/golb-rs/golb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golb-rs/golb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolb-rs%2Fgolb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolb-rs%2Fgolb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a56d0ac7665fb80614d127dbf75fed70ead73b59
[INFO] testing golb-rs/golb against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolb-rs%2Fgolb" "/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.repositoryformatversion' to '0'


failed to checkout https://github.com/golb-rs/golb

Caused by:
    command failed: exit status: 128