these 3 derivations will be built:
  /nix/store/i22dzc8hyz2v36ngzhqdl2cz3qwncwvg-herdr-plugins.json.drv
  /nix/store/54dbji4xya2cl5j017askh2zqnj49qbp-activation-script.drv
  /nix/store/jav46pjbblpragzbzba3b3v1dm0bnyir-home-manager-generation.drv