these 4 derivations will be built:
  /nix/store/csp4dgs4kwh2zlr3507qc5p629f5ml9p-etc-nix-registry.json.drv
  /nix/store/kwashxq3c2vmbc9jz80irh261rpw9slm-etc.drv
  /nix/store/2kpcfi5mvl4ra76z4a2rj0vyk27ayjwn-activate.drv
  /nix/store/zvvsxhzd09zrxly6acxcdd01dcfjs2gj-nixos-system-tau-26.11.20260927.a98e471.drv