[INFO] cloning repository https://github.com/robyoung/tplinker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robyoung/tplinker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobyoung%2Ftplinker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobyoung%2Ftplinker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 400fbf6f74efc27b21962d2e47128f70ef4d10c0
[INFO] checking robyoung/tplinker against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobyoung%2Ftplinker" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'HEAD': unable to append to '/workspace/builds/worker-0-tc1/source/.git/logs/HEAD': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/robyoung/tplinker
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.