these 3 derivations will be built:
  /nix/store/i22dzc8hyz2v36ngzhqdl2cz3qwncwvg-herdr-plugins.json.drv
  /nix/store/iplr3pizy520c2h013cqfyj6lqg70w81-activation-script.drv
  /nix/store/bnxk844qf0x91r0w6fmv46mr36bda7a6-home-manager-generation.drv