[INFO] cloning repository https://github.com/uzushino/violet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uzushino/violet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae343cc038497dc2f2284d61c06976267d726030
[INFO] checking uzushino/violet against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-3-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking uzushino/violet against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-3-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking uzushino/violet against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-3-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking uzushino/violet against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-3-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet'
[INFO] checking uzushino/violet against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-3-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet'


failed to checkout https://github.com/uzushino/violet

Caused by:
    command failed: exit status: 128