RUNTIME ERROR: Max stack frames exceeded.
	error.recursive_object_non_term.jsonnet:20:44-48	object <anonymous>
	error.recursive_object_non_term.jsonnet:20:11-16	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	...
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:20:35-54	object <Fib>
	error.recursive_object_non_term.jsonnet:23:17-31	thunk <a>
	std.jsonnet:584:12	function <anonymous>
	error.recursive_object_non_term.jsonnet:23:1-37	
