Use buffer.to_vec instead of copying buffer from iterator

src/request.rs

@@ -14,7 +14,7 @@ impl Request {
         let mut buffer = [0; 16384];
         let _ = stream.read(&mut buffer).ok()?;
 
-        let mut buffer_v = Vec::from_iter(buffer.iter().copied());
+        let mut buffer_v: Vec<_> = buffer.to_vec();
 
         buffer_v.pop();
         let raw_req = std::str::from_utf8(&buffer_v).ok()?.to_string();