[INFO] cloning repository https://github.com/machinetech/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/machinetech/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmachinetech%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmachinetech%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cab3abb1c134d76bb3642e8bf82a439c26050b7d
[INFO] testing machinetech/chip8 against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmachinetech%2Fchip8" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file .travis.yml
[INFO] [stderr] error: unable to write file Cargo.lock
[INFO] [stderr] error: unable to write file Cargo.toml
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: failed to checkout https://github.com/machinetech/chip8
    2: command failed: exit status: 128