these 4 derivations will be built:
  /nix/store/cdrs4pxps7q4ddd560zq4i716zl816xg-etc-nix-registry.json.drv
  /nix/store/7srjrqqs64pk3z9h4p1psm2a2q5gvr6k-etc.drv
  /nix/store/xykkvmyiadz47xlrkdnkzwdpw8kx3gxx-activate.drv
  /nix/store/n9w3ccbdcd9phm9505dwb2f2i5ircyh3-nixos-system-tau-26.11.20260927.a98e471.drv