these 4 derivations will be built:
  /nix/store/zyl5x7xkliih1xzgkhh887gygw9nfi6h-etc-nix-registry.json.drv
  /nix/store/ry5npamr3iv508hydw52shinwlqqi8py-etc.drv
  /nix/store/i8g980qkbb6rnqbbl1d40lbv0rsci325-activate.drv
  /nix/store/5hbv4lha8ba8smlcfhkg2pl6lnki4ymx-nixos-system-tau-26.11.20261018.b5f67df.drv