these 4 derivations will be built:
  /nix/store/2nsyf7c7g7lryfpivdpmvvag5h7fqmk1-etc-nix-registry.json.drv
  /nix/store/y54hrh71rgglaic3y78km9csan59j5f6-etc.drv
  /nix/store/64q19n7vrr3c92mpmq95n6g8x45igpyg-activate.drv
  /nix/store/bgcjypi6fb5c4463m55y9zj89h5zfjk0-nixos-system-tau-26.11.20260920.5baae1f.drv