[INFO] cloning repository https://github.com/rlupton20/stamp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rlupton20/stamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlupton20%2Fstamp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlupton20%2Fstamp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2692bfa1270eda3ef9092aae5a40e4b203675610 [INFO] checking rlupton20/stamp against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlupton20%2Fstamp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write symref for HEAD: No space left on device [INFO] [stderr] fatal: unable to update HEAD failed to checkout https://github.com/rlupton20/stamp Caused by: command failed: exit status: 128