these 3 derivations will be built:
  /nix/store/bmpqgz1n5c54rwx9w6snkcrmrknf5fh2-home-manager-path.drv
  /nix/store/2zn6cppky7zfxv47i26f83j54y2dqn3z-activation-script.drv
  /nix/store/zva44bwbpb6gdjwffrdpc61gl8nf9pd5-home-manager-generation.drv