these 3 derivations will be built:
  /nix/store/9zq12pjxsva4zgipvkan84mm47aj3d8m-etc.drv
  /nix/store/7lw4rdbdvzglylcgcjxh2sh8lb1czbbd-activate.drv
  /nix/store/9wql8kz4zrd28zcx41j2rjhqynq8appp-nixos-system-tau-26.11.20260927.a98e471.drv