these 3 derivations will be built:
  /nix/store/facpgjpnzly6asmx8iz8g8snn5bxzgp1-etc.drv
  /nix/store/3qvym8443l5sab4ilyspzip25f31h5qw-activate.drv
  /nix/store/ybh85hsv02c8va7x49prl4c12c60igrw-nixos-system-tau-26.11.20260927.a98e471.drv