[INFO] cloning repository https://github.com/wass88/rust_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wass88/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30bd0a9ce7aad079f9d99f756811d3425dc0c5b
[INFO] checking wass88/rust_os against master#49b3924bd4a34d3cf9c37b74120fba78d9712ab8 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os" "/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
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/wass88/rust_os
[ERROR] caused by: command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.