these 4 derivations will be built: /nix/store/flhaw13cnp94w9a0njbak5krc29c58q7-etc-nix-registry.json.drv /nix/store/870ikvl0006lcsi7dz2x48mzbxklza31-etc.drv /nix/store/86g7f0qd9wjwizh14vfw0kafznj5i6a8-activate.drv /nix/store/w5ilra0jjks1kh64jy5nzcn3vza0k77d-nixos-system-tau-26.11.20261018.b5f67df.drv