fix formatting

Author: pietroalbini

src/lib.rs

@@ -1,6 +1,5 @@
 #![warn(missing_docs)]
 #![allow(clippy::new_without_default)]
-
 #![cfg_attr(docs_rs, feature(doc_cfg))]
 
 //! Rustwide is a library to execute your code on the Rust ecosystem, powering projects like