[INFO] cloning repository https://github.com/narusemotoki/coo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/narusemotoki/coo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarusemotoki%2Fcoo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarusemotoki%2Fcoo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19f90cf2680dbac0b0bb8708fd95b21226554814
[INFO] checking narusemotoki/coo against master#65cd843ae06ad00123c131a431ed5304e4cd577a for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarusemotoki%2Fcoo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/narusemotoki/coo
[ERROR] caused by: command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.