{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"self.suggest_fn_call(&mut"}]}
            self.suggest_fn_call(&mut err, rcvr_expr, rcvr_ty, |output_ty| {
        if let SelfSource::MethodCall(rcvr_expr) = source {
                let call_expr = self.tcx.hir_expect_expr(self.tcx.parent_hir_id(rcvr_expr.hir_id));