these 4 derivations will be built:
  /nix/store/nxg14kx3lgl9rgjzsb5qafvzs89wm6ar-etc-nix-registry.json.drv
  /nix/store/7gp8mj356ph5klbxw7gyx9hgbx56hx3v-etc.drv
  /nix/store/ziijgwpfp6mzaq7m99d7x3yggmsp5bn2-activate.drv
  /nix/store/hl1awy58hpqs66jklkwyw568kz5q0d1g-nixos-system-tau-26.11.20260823.203b7a4.drv