{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
            let sugg = candidate.map(|candidate| lints::UnknownCrateTypesSub { span, candidate });
        BuiltinLintDiag::UnknownCrateTypes { span, candidate } => {
            lints::UnknownCrateTypes { sugg }.decorate_lint(diag);