[INFO] cloning repository https://github.com/liweilijie/walk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liweilijie/walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliweilijie%2Fwalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliweilijie%2Fwalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd642e6970ad730c50e9c0de297dcc0071af383b
[INFO] checking liweilijie/walk against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliweilijie%2Fwalk" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-4-tc1/source': No space left on device


failed to checkout https://github.com/liweilijie/walk

Caused by:
    command failed: exit status: 128