[INFO] cloning repository https://github.com/knobby-tires/bfc.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knobby-tires/bfc.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknobby-tires%2Fbfc.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknobby-tires%2Fbfc.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7549b4a8b529e0acfc6d713e8fc96c9cb47f9f8
[INFO] checking knobby-tires/bfc.rs against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknobby-tires%2Fbfc.rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-4-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknobby-tires%2Fbfc.rs'


failed to checkout https://github.com/knobby-tires/bfc.rs

Caused by:
    command failed: exit status: 128