{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"(Some(format!(\"https://doc.rust-lang.org/{channel}/nightly-rustc/\")),"}]}
            (Some(format!("https://doc.rust-lang.org/{channel}/nightly-rustc/")), None)
        CrateOrigin::Rustc { name: _ } => {
        }