syntax_data: {"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let trait_ref = tcx.short_string(self, path);
context_before:         ty::tls::with(|tcx| {
context_after:             rustc_errors::DiagArgValue::Str(std::borrow::Cow::Owned(trait_ref))