[INFO] cloning repository https://github.com/zhenfeizhang/rcb15-group-law
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhenfeizhang/rcb15-group-law" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Frcb15-group-law", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Frcb15-group-law'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7256109b47505d3c4c04e535b788a85fd6fb17a
[INFO] checking zhenfeizhang/rcb15-group-law against master#561b5dea1e7e5c21f0fb550ca579229ceb878297 for pr-124661
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhenfeizhang%2Frcb15-group-law" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-1-tc1/source/.git/objects/3f': 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/zhenfeizhang/rcb15-group-law
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.