Improve one var name

src/config.rs

@@ -144,7 +144,7 @@ impl CrateConfig {
             .bin
             .first()
             .or(manifest.lib.as_ref())
-            .and_then(|lib| lib.name.clone())
+            .and_then(|product| product.name.clone())
             .or_else(|| manifest.package.as_ref().map(|pkg| pkg.name.clone()))
             .expect("No lib found from cargo metadata");
         let executable = ExecutableType::Binary(output_filename);