[INFO] cloning repository https://github.com/course-rust/macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/course-rust/macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourse-rust%2Fmacros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourse-rust%2Fmacros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74ca4275111c8009d22930cc4f1aef87b914f9af
[INFO] checking course-rust/macros against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourse-rust%2Fmacros" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] /workspace/builds/worker-0-tc1/source/.git/branches/: No space left on device


failed to checkout https://github.com/course-rust/macros

Caused by:
    command failed: exit status: 1