these 4 derivations will be built:
  /nix/store/gy88g51c7qmj5sc690cnjy52z7fdn3gj-etc-nix-registry.json.drv
  /nix/store/c44mi3mlixwqnrzrsdhanwpn0rgg4ip5-etc.drv
  /nix/store/fs5fhm7fdk4rx6zdm8ms2d2aynnvlqx9-activate.drv
  /nix/store/wl6bb67ybpmzddmwbkrsi1ffv5mx4770-nixos-system-tau-26.11.20260927.a98e471.drv