{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"if"}]}
                    if !options.extra_env.contains_key("RUSTUP_TOOLCHAIN")
                if let Some(sysroot_root) = &self.sysroot_root {
                        && std::env::var_os("RUSTUP_TOOLCHAIN").is_none()