[INFO] cloning repository https://github.com/kupian/custom-assembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kupian/custom-assembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7041947252a9bc51edb53292c0a9395329c339ec
[INFO] testing kupian/custom-assembly against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] testing kupian/custom-assembly against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly'
[INFO] testing kupian/custom-assembly against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-1-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] testing kupian/custom-assembly against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-1-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] testing kupian/custom-assembly against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkupian%2Fcustom-assembly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-1-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/kupian/custom-assembly

Caused by:
    command failed: exit status: 128