these 4 derivations will be built:
  /nix/store/9n190sjq1q2khlz2wag6nijmnvcijsyf-etc-nix-registry.json.drv
  /nix/store/cia6sf4grlxkhnrmgsj8pci99ka68pbk-etc.drv
  /nix/store/vh1yq99wv4rz64kba202hkng2smy0qnk-activate.drv
  /nix/store/n8fzp8xpwwln4vr256pqf7mv68a350g1-nixos-system-tau-26.11.20260927.a98e471.drv