these 3 derivations will be built:
  /nix/store/vq6z8hi0kb8hxm0n2rl1lgwvpla0skgy-home-manager-path.drv
  /nix/store/0xz36q8s83glcxxx13443s1ip6c4sl62-activation-script.drv
  /nix/store/hyqw4xjrwwz0bgl8a5v2jc3daf6l82fm-home-manager-generation.drv