these 4 derivations will be built: /nix/store/3wa53jwfgbfal7gp5qwkca2n5195yn06-etc-nix-registry.json.drv /nix/store/7y0m5a8qbygx9l404zynq5v12w6yizdr-etc.drv /nix/store/k3i2qrfv6n0nwakzfvm2vsd3rshkdf4r-activate.drv /nix/store/kcshz3a94b9ld5jczw97y0kjw9vzczqc-nixos-system-tau-26.11.20261018.b5f67df.drv