Address new clippy lint by using Option::as_deref

Author: jtgeibel

src/controllers/krate/publish.rs

@@ -83,7 +83,7 @@ pub fn publish(req: &mut dyn Request) -> AppResult<Response> {
             homepage: new_crate.homepage.as_ref().map(|s| &**s),
             documentation: new_crate.documentation.as_ref().map(|s| &**s),
             readme: new_crate.readme.as_ref().map(|s| &**s),
-            repository: repo.as_ref().map(String::as_str),
+            repository: repo.as_deref(),
             max_upload_size: None,
         };
 

src/render.rs

@@ -231,7 +231,7 @@ pub fn render_and_upload_readme(
     use crate::schema::*;
     use diesel::prelude::*;
 
-    let rendered = readme_to_html(&text, &file_name, base_url.as_ref().map(String::as_str));
+    let rendered = readme_to_html(&text, &file_name, base_url.as_deref());
     let conn = env.connection()?;
 
     conn.transaction(|| {