Linter fixes

src/utils.rs

@@ -31,7 +31,7 @@ pub fn cache_path_for_url(url: String) -> std::path::PathBuf {
 }
 
 pub fn download(url: String, path: std::path::PathBuf) -> Result<(), std::io::Error> {
-    let mut resp = reqwest::blocking::get(&url)
+    let mut resp = reqwest::blocking::get(url)
         .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
 
     std::fs::create_dir_all(path.parent().unwrap())?;