these 4 derivations will be built:
  /nix/store/26y72dvqs9daj7kfnlya62ix3d1pkfzv-etc-nix-registry.json.drv
  /nix/store/zjmq3dsyfh0bll8b89kizk386whwnr02-etc.drv
  /nix/store/ykds7hz4msvaf6fk00zxgr8f2gv61aa0-activate.drv
  /nix/store/9j3k930vlgzb3rah7lqjb639gfkv597i-nixos-system-tau-26.11.20261108.ff8b272.drv