syntax_data: {"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let call_site_s = (call_site_scope, source_info);
context_before:     let source_info = builder.source_info(span);
context_after:     let _: BlockAnd<()> = builder.in_scope(call_site_s, LintLevel::Inherited, |builder| {