these 3 derivations will be built:
  /nix/store/45hj4y816f417wgqiwc43y8c2vvhjprp-activation-script.drv
  /nix/store/n6hiavjd0xivjjbk2gmz6jb268qccw6m-home-manager-files.drv
  /nix/store/q5vsfi5zy1wgg9mlk21jznvlwz6yjjms-home-manager-generation.drv