[INFO] cloning repository https://github.com/yoichiojima-2/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoichiojima-2/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoichiojima-2%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoichiojima-2%2Frust-playground'...
[INFO] [stderr] fatal: credential helper '/workspace/cargo-home/bin/git-credential-null' told us to quit


this task or one of its parent failed: overridden task result to broken:missing-git-repository

Caused by:
    can't fetch private git repositories