{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(errors::WhereClauseOnMain"}]}
        tcx.dcx().emit_err(errors::WhereClauseOnMain {
        let generics_where_clauses_span = main_fn_where_clauses_span(tcx, main_def_id);
            span: generics_where_clauses_span.unwrap_or(main_span),