these 4 derivations will be built:
  /nix/store/3r9d9vln1av5j9vhl82dplmiyqwrrcw8-etc-nix-registry.json.drv
  /nix/store/31si4qhkfk2qn7kwl19jq4lw2s640qa3-etc.drv
  /nix/store/pyzvmk8hvfybav6cy16jhpxdrfw7mzag-activate.drv
  /nix/store/xmpzh5mnwvkfgdpsf2yg4g18ihrzdvl8-nixos-system-tau-26.11.20260920.5baae1f.drv