these 3 derivations will be built:
  /nix/store/v05x9p0l1zmfzapmph7wy530qmzp3kkp-herdr-plugins.json.drv
  /nix/store/2r96i0dj0cadkqx6wvmwji3q9a2h7dhg-activation-script.drv
  /nix/store/0zs01slq3hzd8712amxvgzd8mnn12y36-home-manager-generation.drv