these 4 derivations will be built:
  /nix/store/fp70ayy44lwh7m37d51mhbq3q9bvc668-etc-nix-registry.json.drv
  /nix/store/hvkwy3hkwwkks188kz0n3v5msng81z3f-etc.drv
  /nix/store/9bgk692wphikpxv5yg53k6pm5i6il5c5-activate.drv
  /nix/store/5h8hdca6azp36z87r240d6siryawdrjv-nixos-system-tau-26.11.20260906.faf77a3.drv