{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":".note(format!(\"target"}]}
                .note(format!("target type: `{}` ({})", to, skeleton_string(to, sk_to)));
            err.note(format!("source type: `{}` ({})", from, skeleton_string(from, sk_from)))
            if let Err(LayoutError::ReferencesError(_)) = sk_from {