{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::NestedImplTrait"}]}
                    self.dcx().emit_err(errors::NestedImplTrait {
                if let Some(outer_impl_trait_sp) = self.outer_impl_trait_span {
                        span: ty.span,