these 4 derivations will be built:
  /nix/store/vhnxp7vjml6q9jgbpi7xxpr3mnx17wj0-etc-nix-registry.json.drv
  /nix/store/54gn2cyp97mdfllmxrqgl2f2vvp0sz6n-etc.drv
  /nix/store/fxkvnk3yy824k5i4dgx29fif6pwrngl8-activate.drv
  /nix/store/wlyvm7qqjw7sgiiqji0ilvlwcxhsyxdk-nixos-system-tau-26.11.20260927.a98e471.drv