these 4 derivations will be built:
  /nix/store/kgp31224ji4s2l4cpx86bqz83zslfj9i-etc-nix-registry.json.drv
  /nix/store/bbhg08szrvik87h393cklqsvd2g6fklk-etc.drv
  /nix/store/4z09q5wy6yqrgb47ajd77cy5kvx793pk-activate.drv
  /nix/store/b8qailhjx70nrg0x6kw7fv29vd38d1a0-nixos-system-tau-26.11.20260927.a98e471.drv