these 3 derivations will be built:
  /nix/store/4a736lwrp6s2klvnidjrwgjcyg1mjf2l-home-manager-path.drv
  /nix/store/sfmfarn092a67mizx074kgv6gvikhjwh-activation-script.drv
  /nix/store/6sisygg9mik522abf56wasvfk3kyddki-home-manager-generation.drv