{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"lint.primary_message(format!("}]}
            lint.primary_message(format!(
        self.tcx.node_span_lint(RUST_2021_PRELUDE_COLLISIONS, expr_id, span, |lint| {
                "trait-associated function `{}` will become ambiguous in Rust 2021",