these 3 derivations will be built:
  /nix/store/zzhb0n7zv33ngqw1cygvjz8y1kvvk2nf-home-manager-path.drv
  /nix/store/3wrkgh55idcllwcc9dvamx0fii7wh1pz-activation-script.drv
  /nix/store/z5kq7x4vp3byrpaxkp7s0hci663wshbm-home-manager-generation.drv