syntax_data: {"ast_node_type":"other","tokens":[{"end":7,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) {
context_before:         enclosing_unsafe: Option<UnusedUnsafeEnclosing>,
context_after:         self.warnings.push(UnusedUnsafeWarning { hir_id, block_span, enclosing_unsafe });