[INFO] cloning repository https://github.com/vchiranjeeviak/cargo-run-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vchiranjeeviak/cargo-run-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvchiranjeeviak%2Fcargo-run-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvchiranjeeviak%2Fcargo-run-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8255c5dbe8fb09117970091058655000d2a7c4a2
[INFO] checking vchiranjeeviak/cargo-run-sample against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvchiranjeeviak%2Fcargo-run-sample" "/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/vchiranjeeviak/cargo-run-sample

Caused by:
    command failed: exit status: 128