these 4 derivations will be built:
  /nix/store/bf3i90nvn67ddzw8cmc3qncaj6iply3v-etc-nix-registry.json.drv
  /nix/store/8znjpyrg0cp6c9r08c9jy0f7hwfcjxa5-etc.drv
  /nix/store/fmwk77lcpzs9zhxmrf72xiw5q9ydj8r9-activate.drv
  /nix/store/0rvr0c1b4zy0g1pv1f4pyrl6a5ql86bk-nixos-system-tau-26.11.20260927.a98e471.drv