these 3 derivations will be built:
  /nix/store/kwb3f43ixby2dp5s7janfbxh2vmn2q8w-etc.drv
  /nix/store/2m3rybcnwcxaz1dzw7q347h0lzac0ya1-activate.drv
  /nix/store/3acnzl4mywzl86cahwmak6iyplmdz4yi-nixos-system-tau-26.11.20261018.b5f67df.drv