[INFO] cloning repository https://github.com/chipshort/workshop-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chipshort/workshop-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipshort%2Fworkshop-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipshort%2Fworkshop-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d97ed1c7e9229a3efcc3351ec55fb5ec82388e7
[INFO] checking chipshort/workshop-contract against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchipshort%2Fworkshop-contract" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-4-tc1/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/chipshort/workshop-contract

Caused by:
    command failed: exit status: 128