these 4 derivations will be built:
  /nix/store/yq88d0hi50x0iqhgih5lkmhwnkhi0p4y-system-units.drv
  /nix/store/5jmxcd94ys7zqyrlnadp1dsjvgs3slbp-etc.drv
  /nix/store/d7vk6yg5ndxfdkv3s4lnz2aip3fh5ak1-activate.drv
  /nix/store/10g44xbhaz0033jr64lp58kyhzjyl5lm-nixos-system-tau-26.11.20260816.d16c04c.drv