{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(CrateDepMultiple"}]}
                tcx.dcx().emit_err(CrateDepMultiple {
                    && tcx.crates(()).iter().any(|&cnum| tcx.crate_name(cnum) == sym::rustc_driver);
                    crate_name: tcx.crate_name(cnum),