these 3 derivations will be built:
  /nix/store/3bj97n9dxqcd0fscyq6g10wiwxp4hkyh-home-manager-path.drv
  /nix/store/r2cshvf34yny4dhgz9k7s8gx8avi3kv7-activation-script.drv
  /nix/store/yj9mz7z5xycxg7zs8z4378ka7x7qhkqv-home-manager-generation.drv