syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"ty::UnsafeBinder(_)"}]}
source_snippet:             ty::UnsafeBinder(_) => todo!(),
context_before:             // FIXME(unsafe_binders):
context_after:             ty::Tuple(fields) => fields.iter().all(Self::is_trivially_not_async_drop),