[INFO] cloning repository https://github.com/saitamatp/pwd_utility_bak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saitamatp/pwd_utility_bak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaitamatp%2Fpwd_utility_bak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaitamatp%2Fpwd_utility_bak'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/saitamatp/pwd_utility_bak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saitamatp/pwd_utility_bak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaitamatp%2Fpwd_utility_bak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaitamatp%2Fpwd_utility_bak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab8935de9d7d3623bd99986210382ce705c20b7a
[INFO] checking saitamatp/pwd_utility_bak against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaitamatp%2Fpwd_utility_bak" "/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/saitamatp/pwd_utility_bak

Caused by:
    command failed: exit status: 128