avoid some clippy warnings

src/client/backup_writer.rs

@@ -506,7 +506,7 @@ impl BackupWriter {
             .and_then(move |_| {
                 let repeat = repeat2.load(Ordering::SeqCst);
                 let stream_len = stream_len2.load(Ordering::SeqCst);
-                let speed = ((stream_len*1000000)/(1024*1024))/(start_time.elapsed().as_micros() as usize);
+                let speed = ((stream_len*1_000_000)/(1024*1024))/(start_time.elapsed().as_micros() as usize);
                 println!("Uploaded {} chunks in {} seconds ({} MB/s).", repeat, start_time.elapsed().as_secs(), speed);
                 if repeat > 0 {
                     println!("Average chunk size was {} bytes.", stream_len/repeat);
@@ -559,7 +559,7 @@ impl BackupWriter {
         let _ = upload_result.await?;
 
         println!("Uploaded {} chunks in {} seconds.", repeat, start_time.elapsed().as_secs());
-        let speed = ((item_len*1000000*(repeat as usize))/(1024*1024))/(start_time.elapsed().as_micros() as usize);
+        let speed = ((item_len*1_000_000*(repeat as usize))/(1024*1024))/(start_time.elapsed().as_micros() as usize);
         println!("Time per request: {} microseconds.", (start_time.elapsed().as_micros())/(repeat as u128));
 
         Ok(speed)

src/client/http_client.rs

@@ -617,7 +617,7 @@ impl H2Client {
                 .header("User-Agent", "proxmox-backup-client/1.0")
                 .header(hyper::header::CONTENT_TYPE, content_type)
                 .body(())?;
-            return Ok(request);
+            Ok(request)
         } else {
             let url: Uri = format!("https://{}:8007/{}", server, path).parse()?;
             let request = Request::builder()

src/client/pipe_to_stream.rs

@@ -45,20 +45,18 @@ impl Future for PipeToSendStream {
                         None => return Poll::Ready(Err(format_err!("protocol canceled"))),
                     }
                 }
-            } else {
-                if let Poll::Ready(reset) = this.body_tx.poll_reset(cx) {
-                    return Poll::Ready(Err(match reset {
-                        Ok(reason) => format_err!("stream received RST_STREAM: {:?}", reason),
-                        Err(err) => Error::from(err),
-                    }));
-                }
+            } else if let Poll::Ready(reset) = this.body_tx.poll_reset(cx) {
+                return Poll::Ready(Err(match reset {
+                    Ok(reason) => format_err!("stream received RST_STREAM: {:?}", reason),
+                    Err(err) => Error::from(err),
+                }));
             }
 
             this.body_tx
                 .send_data(this.data.take().unwrap(), true)
                 .map_err(Error::from)?;
 
-            return Poll::Ready(Ok(()));
+            Poll::Ready(Ok(()))
         } else {
             if let Poll::Ready(reset) = this.body_tx.poll_reset(cx) {
                 return Poll::Ready(Err(match reset {
@@ -66,7 +64,7 @@ impl Future for PipeToSendStream {
                     Err(err) => Error::from(err),
                 }));
             }
-            return Poll::Ready(Ok(()));
+            Poll::Ready(Ok(()))
         }
     }
 }