these 2 derivations will be built:
  /nix/store/yp59j9rh3l7inpjjgkkgcxf3l4pmaiza-iets-conformance-adapter.drv
  /nix/store/8zvwnl17czb1gzc05l8jf4zxsw7vzdzm-nix-conformance-iets.drv
building '/nix/store/yp59j9rh3l7inpjjgkkgcxf3l4pmaiza-iets-conformance-adapter.drv'
iets-conformance-adapter> structuredAttrs is enabled
building '/nix/store/8zvwnl17czb1gzc05l8jf4zxsw7vzdzm-nix-conformance-iets.drv'
nix-conformance-iets> SKIP lang/eval-okay-closure.nix