these 4 derivations will be built: /nix/store/vcwhkshqyjp2m771335rkf7hbs86xzsb-etc-nix-registry.json.drv /nix/store/6l0pn78n20728z69h60ivh90c0llml39-etc.drv /nix/store/i714p69nj3msl1mmg78qgar3dpsmp7qs-activate.drv /nix/store/g2w3hh30q9nd2slj69qp3gdfd4lzizi7-nixos-system-tau-26.11.20261018.b5f67df.drv