[INFO] cloning repository https://github.com/ephraimduncan/pkill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ephraimduncan/pkill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimduncan%2Fpkill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimduncan%2Fpkill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63149093fa1a1c94f74724eb21a7fcf8eee30cba
[INFO] checking ephraimduncan/pkill against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimduncan%2Fpkill" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/ephraimduncan/pkill

Caused by:
    command failed: exit status: 1