[INFO] cloning repository https://github.com/den-taku/test-minimal-set-cover
[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/test-minimal-set-cover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftest-minimal-set-cover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftest-minimal-set-cover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28b0ec7d2b4d84812ac0cfa529ccee1897cfa75c
[INFO] checking den-taku/test-minimal-set-cover against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fden-taku%2Ftest-minimal-set-cover" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: error closing file /workspace/builds/worker-4-tc1/source/.git/packed-refs.new: No space left on device


failed to checkout https://github.com/den-taku/test-minimal-set-cover

Caused by:
    command failed: exit status: 128