these 4 derivations will be built:
  /nix/store/2gafz03vvf2var632d7wayag5di1b5gj-etc-nix-registry.json.drv
  /nix/store/dp2k38k9i9xizafgxckq4aa9n33zf9b9-etc.drv
  /nix/store/aj86qg71blhrvzd1libq9lvm9w6qqk8n-activate.drv
  /nix/store/lkynn67c9sd8xnb4wss8i76lcmk6q77k-nixos-system-tau-26.11.20260920.5baae1f.drv