syntax_data: {"ast_node_type":"other","tokens":[{"end":17,"kind":"keyword","start":0,"text":"bug!("}]}
source_snippet:             bug!(
context_before:         self.tcx.try_normalize_generic_arg_after_erasing_regions(arg).unwrap_or_else(|_| {
context_after:                 "Failed to normalize {:?} in typing_env={:?}, \