[INFO] cloning repository https://github.com/oasisprotocol/cipher-paratime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oasisprotocol/cipher-paratime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasisprotocol%2Fcipher-paratime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasisprotocol%2Fcipher-paratime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af084867a830647f26db844b1356445f68b414e6
[INFO] documenting oasisprotocol/cipher-paratime against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foasisprotocol%2Fcipher-paratime" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-6-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/oasisprotocol/cipher-paratime

Caused by:
    command failed: exit status: 128