{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"tools.env.insert(\"RUSTDOCFLAGS\".to_string(),"}]}
    tools.env.insert("RUSTDOCFLAGS".to_string(), rustflags);
    let rustflags = tools.env.get("RUSTFLAGS").cloned().unwrap_or_default();
    let mut command: Vec<&dyn AsRef<OsStr>> = vec![&"cargo", &tools.toolchain];