factorio: note that credentials will be world-readable in help msg

      Please ensure you have set the username and token with config.nix, or

      /etc/nix/nixpkgs-config.nix if on NixOS.

      Your token can be seen at https://factorio.com/profile (after logging in). It is

      not as sensitive as your password, but should still be safeguarded. There is a

      link on that page to revoke/invalidate the token, if you believe it has been

      leaked or wish to take precautions.

      Your token can be seen at https://factorio.com/profile (after logging in).

      Beware this will add the credentials to the Nix store, which is

      world-readable on the local machine. It is not as sensitive as your

      password, but should still be safeguarded. There is a link on that page to

      revoke/invalidate the token, if you believe it has been leaked or wish to

      take precautions.

      Example:

      {