{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"&&"}]}
                            && tcx.is_lang_item(def.did(), LangItem::Pin)
                        if let ty::Adt(def, args) = ty.peel_refs().kind()
                            && let ty::Ref(_, _, hir::Mutability::Mut) = args.type_at(0).kind()