[INFO] cloning repository https://github.com/s4nsec/rusty_shellcode_loader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s4nsec/rusty_shellcode_loader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4nsec%2Frusty_shellcode_loader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4nsec%2Frusty_shellcode_loader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] febfc0a7adc37e43e3fd1ea02227680d38ed8767
[INFO] checking s4nsec/rusty_shellcode_loader against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs4nsec%2Frusty_shellcode_loader" "/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] fatal: update_ref failed for ref 'HEAD': cannot update ref 'refs/heads/master': couldn't write '/workspace/builds/worker-4-tc1/source/.git/refs/heads/master.lock'


failed to checkout https://github.com/s4nsec/rusty_shellcode_loader

Caused by:
    command failed: exit status: 128