[INFO] cloning repository https://github.com/eantablin/rust_fahrenheint_celsius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eantablin/rust_fahrenheint_celsius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feantablin%2Frust_fahrenheint_celsius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feantablin%2Frust_fahrenheint_celsius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71cce53dacae1cd1a86f148c1872130c6b9242a
[INFO] checking eantablin/rust_fahrenheint_celsius against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feantablin%2Frust_fahrenheint_celsius" "/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/eantablin/rust_fahrenheint_celsius

Caused by:
    command failed: exit status: 128