these 4 derivations will be built:
  /nix/store/yqv2rkh9fcblqgnrbz5w2i35v5csbrfr-etc-nix-registry.json.drv
  /nix/store/bj7rr7vlw66in8vnkw97g9mflblh5gbb-etc.drv
  /nix/store/kniay3zrgpjjr5dwrxh393d9y0ml5wsz-activate.drv
  /nix/store/0yvfvmc9ng9biwqgbk1rlka3v5xz7c3n-nixos-system-tau-26.11.20260927.a98e471.drv