these 3 derivations will be built:
  /nix/store/nm8hixpsa1a363ggvmz37wydcv0lhc4g-home-manager-path.drv
  /nix/store/1w7wrb3rrcgkrhaknvg0rc723wz3bdh0-activation-script.drv
  /nix/store/xx79zxi3b5hxl2mhi3001r4swmla05ga-home-manager-generation.drv