[INFO] cloning repository https://github.com/mrhughes86/rust_web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrhughes86/rust_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhughes86%2Frust_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhughes86%2Frust_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 982eccbad5f59b87251f4b10a07eaece06286455
[INFO] checking mrhughes86/rust_web_server against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrhughes86%2Frust_web_server" "/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 create '/workspace/builds/worker-7-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/mrhughes86/rust_web_server

Caused by:
    command failed: exit status: 128