these 3 derivations will be built:
  /nix/store/7gwy564pkqdf9k68hahpswpgm0v4zc7i-home-manager-path.drv
  /nix/store/253vq6g9hy6j0wsm73sb8r1zy55p2qaz-activation-script.drv
  /nix/store/2yg0rrlslghzi6w251zidld7rcaamsxw-home-manager-generation.drv