[INFO] cloning repository https://github.com/klaeufer/rust-x-arduino
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klaeufer/rust-x-arduino" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaeufer%2Frust-x-arduino", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaeufer%2Frust-x-arduino'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09d3ea11c42d9ca18ec846be14b9633809038640
[INFO] checking klaeufer/rust-x-arduino against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaeufer%2Frust-x-arduino" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


failed to checkout https://github.com/klaeufer/rust-x-arduino

Caused by:
    command failed: exit status: 128