[INFO] cloning repository https://github.com/startimeahmet/book_io_take_home [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/startimeahmet/book_io_take_home" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartimeahmet%2Fbook_io_take_home", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartimeahmet%2Fbook_io_take_home'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1b3e161b3c4bdae89c2ae4e6905029f044073de [INFO] building startimeahmet/book_io_take_home against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartimeahmet%2Fbook_io_take_home" "/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/startimeahmet/book_io_take_home Caused by: command failed: exit status: 128