[INFO] cloning repository https://github.com/ironhouzi/shantideva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ironhouzi/shantideva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironhouzi%2Fshantideva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironhouzi%2Fshantideva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37a4d792daeeada7ce5b9a5e89cb971f3df9715e
[INFO] checking ironhouzi/shantideva against master#cb06d12710575a0d7ff71d6fe108f3bcff4f9195 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fironhouzi%2Fshantideva" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-2-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/ironhouzi/shantideva

Caused by:
    command failed: exit status: 128