{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
                // suggest using the `pin!()` macro instead.
                // We special case the situation where `Pin::new` wouldn't work, and instead
                if let Some(new_rcvr_t) = Ty::new_lang_item(self.tcx, *rcvr_ty, LangItem::Pin)