these 3 derivations will be built:
  /nix/store/0d5xwvm5nzy0fdlb6xpl501dzqgbgzqd-home-manager-path.drv
  /nix/store/axff0b7a4swr41m28vihb1n78776fr1b-activation-script.drv
  /nix/store/2fvxg821smgqc5k646d9fd3wpv1jh9da-home-manager-generation.drv