syntax_data: {"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let trait_ref = ty::TraitRef::from_method(tcx, trait_id, rcvr_args);
context_before:         traits::ImplSource::Builtin(BuiltinImplSource::Object(_), _) => {
context_after:             if trait_ref.has_non_region_infer() || trait_ref.has_non_region_param() {