these 4 derivations will be built: /nix/store/2mily2n460yk40vcg803bk5178039q7k-etc-nix-registry.json.drv /nix/store/b7v844l7kbli5ji86bcs0zal46jxjgb9-etc.drv /nix/store/25nh3hp6mnjqbxfhflk8n4dkrhmj0xw4-activate.drv /nix/store/r8gnx5bvpkgn9ys65m2r18g20syfkp5g-nixos-system-tau-26.11.20261018.b5f67df.drv