these 3 derivations will be built:
  /nix/store/4dmmdddw57fg9b5jwjlvzv4xyv3lxjfz-home-manager-path.drv
  /nix/store/ya3c6k56p055hfrw48ywc7j41f1wjnnm-activation-script.drv
  /nix/store/larzd7k7ci3md7dkkcf6hbfrh7srs8mf-home-manager-generation.drv