these 3 derivations will be built:
  /nix/store/3sflwx0bx6qxywsnm7l53cd9brmfi09c-home-manager-path.drv
  /nix/store/swk2736if96qss2balsk0vdd7n6c3zg4-activation-script.drv
  /nix/store/xfprnnysd8psn1yn75hr66fbq4myc69f-home-manager-generation.drv