these 3 derivations will be built:
  /nix/store/n9ffl49rfffl981maismhjvl5ri1asc6-home-manager-path.drv
  /nix/store/8gxb0kcrxsp0gvsijm9xpmr51lmas5ys-activation-script.drv
  /nix/store/lja1v1ckqdfij4illahk01m45szn86l1-home-manager-generation.drv