these 4 derivations will be built:
  /nix/store/0iq7c9ljnxiigz6iyfak3cb4nhcihn72-etc-nix-registry.json.drv
  /nix/store/w11sbcai6y7zj8pv2a3yvc1i0hx95y12-etc.drv
  /nix/store/ahqh631v1g6z7wbyq99w9j5wnzmjv65x-activate.drv
  /nix/store/syq13i6q5qq4dkpwbhfiwzkjyqjpyg97-nixos-system-tau-26.11.20260906.faf77a3.drv