[INFO] cloning repository https://github.com/kpwelsh/PandaBarIK
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpwelsh/PandaBarIK" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaBarIK", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaBarIK'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f612da7b3bd8c65a2d94707e1cca7400e5dc5de
[INFO] testing kpwelsh/PandaBarIK against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaBarIK" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


failed to checkout https://github.com/kpwelsh/PandaBarIK

Caused by:
    command failed: exit status: 128