{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"crate::session_diagnostics::CaptureArgLabel::Capture"}]}
                crate::session_diagnostics::CaptureArgLabel::Capture {
            borrow_spans.args_subdiag(&mut err, |args_span| {
                    is_within: borrow_spans.for_coroutine(),