{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"run_command(&[&rustc.unwrap_or(\"rustc\"),"}]}
        run_command(&[&rustc.unwrap_or("rustc"), &toolchain, &"-vV"], None)
    let output = if let Some(toolchain) = toolchain {
    } else {