[INFO] cloning repository https://github.com/den-taku/graduate-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/den-taku/graduate-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fgraduate-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fgraduate-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17724ceec9f5792c13542bc09aaa5e999580fda7
[INFO] checking den-taku/graduate-table against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Fgraduate-table" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] /workspace/builds/worker-5-tc1/source/.git/branches/: No space left on device


failed to checkout https://github.com/den-taku/graduate-table

Caused by:
    command failed: exit status: 1