"errmsg":"d2/testdata/d2compiler/TestCompile/grid_nested.d2:2:2: \"grid-rows\" can only be used on containers with one level of nesting right now. (\"hey.d\" has nested \"invalid descendant\")"
"errmsg":"d2/testdata/d2compiler/TestCompile/grid_nested.d2:3:2: \"grid-columns\" can only be used on containers with one level of nesting right now. (\"hey.d\" has nested \"invalid descendant\")"