[INFO] cloning repository https://github.com/sese317j/jsonFetcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sese317j/jsonFetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsese317j%2FjsonFetcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsese317j%2FjsonFetcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45d5ca5a13f4f99938b282bb32730d6fae98f28a
[INFO] checking sese317j/jsonFetcher against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsese317j%2FjsonFetcher" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/sese317j/jsonFetcher

Caused by:
    command failed: exit status: 1