these 2 derivations will be built:
  /nix/store/1pr1zkgsxh6fbj8yi3rvdan6hr56al55-home-manager-files.drv
  /nix/store/93zrbf30ii8rpafy4l7zqa1wggf2yvqi-home-manager-generation.drv
building '/nix/store/1pr1zkgsxh6fbj8yi3rvdan6hr56al55-home-manager-files.drv'
building '/nix/store/93zrbf30ii8rpafy4l7zqa1wggf2yvqi-home-manager-generation.drv'