these 4 derivations will be built:
  /nix/store/igj0fzpxkpid90xyrska5m3g273lzslf-etc-nix-registry.json.drv
  /nix/store/4m1n3gdhyn98g09bkjibadnfpvv0z0i7-etc.drv
  /nix/store/h8dbrss95z4f0ynl19jjcxi7w2j7d8qg-activate.drv
  /nix/store/r0qd3iagpiif01aqyg5mv2fxqdd7jafr-nixos-system-tau-26.11.20260920.5baae1f.drv