```
unpacking 'https://github.com/nixos/nixpkgs/archive/16e6aafdf820ab679c8c1cb5fda56f7a598488a2.tar.gz'...
error: The option value `environment.systemPackages.[definition 1-entry 6]' in `/etc/nixos/nix/modules/base/packages.nix' is not of type `package'.
(use '--show-trace' to show detailed location information)
```
hmm 🙈