[INFO] cloning repository https://github.com/valdyrtorres/rust-completo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valdyrtorres/rust-completo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldyrtorres%2Frust-completo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldyrtorres%2Frust-completo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30ff2f4d7ebfbdabe6ef7ba3ad33b6e4a3ba950
[INFO] checking valdyrtorres/rust-completo against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldyrtorres%2Frust-completo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-5-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/valdyrtorres/rust-completo

Caused by:
    command failed: exit status: 128