diff --git a/src/client/http_client.rs b/src/client/http_client.rs
index a190ce53..5158fc69 100644
--- a/src/client/http_client.rs
+++ b/src/client/http_client.rs
@@ -1,37 +1,33 @@
-use failure::*;
-
-use http::Uri;
-use hyper::Body;
-use hyper::client::Client;
-use xdg::BaseDirectories;
-use chrono::{DateTime, Utc};
 use std::collections::HashSet;
-use std::sync::{Arc, Mutex};
 use std::io::Write;
+use std::sync::atomic::{AtomicUsize, Ordering};
+use std::sync::{Arc, Mutex};
 
-use http::{Request, Response};
-use http::header::HeaderValue;
-
+use chrono::{DateTime, Utc};
+use failure::*;
 use futures::*;
 use futures::stream::Stream;
-use std::sync::atomic::{AtomicUsize, Ordering};
-use tokio::sync::mpsc;
+use http::Uri;
+use http::header::HeaderValue;
+use http::{Request, Response};
+use hyper::Body;
+use hyper::client::Client;
 use openssl::ssl::{SslConnector, SslMethod};
-
 use serde_json::{json, Value};
+use tokio::sync::mpsc;
 use url::percent_encoding::{percent_encode,  DEFAULT_ENCODE_SET};
+use xdg::BaseDirectories;
 
 use proxmox::tools::{
     digest_to_hex,
     fs::{file_get_json, file_set_contents},
 };
 
-use crate::tools::{self, BroadcastFuture, tty};
-use crate::tools::futures::{cancellable, Canceller};
-use super::pipe_to_stream::*;
-use super::merge_known_chunks::*;
-
+use super::merge_known_chunks::{MergedChunkInfo, MergeKnownChunks};
+use super::pipe_to_stream::PipeToSendStream;
 use crate::backup::*;
+use crate::tools::futures::{cancellable, Canceller};
+use crate::tools::{self, BroadcastFuture, tty};
 
 #[derive(Clone)]
 pub struct AuthInfo {
diff --git a/src/client/merge_known_chunks.rs b/src/client/merge_known_chunks.rs
index c5255bdf..ff3b3661 100644
--- a/src/client/merge_known_chunks.rs
+++ b/src/client/merge_known_chunks.rs
@@ -4,7 +4,7 @@ use futures::*;
 use crate::backup::ChunkInfo;
 
 pub enum MergedChunkInfo {
-    Known(Vec<(u64,[u8;32])>),
+    Known(Vec<(u64, [u8; 32])>),
     New(ChunkInfo),
 }
 
@@ -17,16 +17,21 @@ pub struct MergeKnownChunksQueue<S> {
     buffer: Option<MergedChunkInfo>,
 }
 
-impl <S> MergeKnownChunks for S
-    where S: Stream<Item=MergedChunkInfo, Error=Error>,
+impl<S> MergeKnownChunks for S
+where
+    S: Stream<Item = MergedChunkInfo, Error = Error>,
 {
     fn merge_known_chunks(self) -> MergeKnownChunksQueue<Self> {
-        MergeKnownChunksQueue { input: self, buffer: None }
+        MergeKnownChunksQueue {
+            input: self,
+            buffer: None,
+        }
     }
 }
 
-impl <S> Stream for MergeKnownChunksQueue<S>
-    where S: Stream<Item=MergedChunkInfo, Error=Error>,
+impl<S> Stream for MergeKnownChunksQueue<S>
+where
+    S: Stream<Item = MergedChunkInfo, Error = Error>,
 {
     type Item = MergedChunkInfo;
     type Error = Error;
@@ -48,10 +53,8 @@ impl <S> Stream for MergeKnownChunksQueue<S>
                     }
                 }
                 Ok(Async::Ready(Some(mergerd_chunk_info))) => {
-
                     match mergerd_chunk_info {
                         MergedChunkInfo::Known(list) => {
-
                             let last = self.buffer.take();
 
                             match last {
diff --git a/src/client/pipe_to_stream.rs b/src/client/pipe_to_stream.rs
index 4a972f29..5968f02f 100644
--- a/src/client/pipe_to_stream.rs
+++ b/src/client/pipe_to_stream.rs
@@ -2,11 +2,10 @@
 //
 // See also: hyper/src/proto/h2/mod.rs
 
-use failure::*;
-
-use futures::{try_ready, Async, Future, Poll};
-use h2::{SendStream};
 use bytes::Bytes;
+use failure::*;
+use futures::{try_ready, Async, Future, Poll};
+use h2::SendStream;
 
 pub struct PipeToSendStream {
     body_tx: SendStream<Bytes>,
@@ -53,7 +52,6 @@ impl Future for PipeToSendStream {
                     .map_err(Error::from)?;
 
                 return Ok(Async::Ready(()));
-
             } else {
                 if let Async::Ready(reason) = self.body_tx.poll_reset().map_err(Error::from)? {
                     return Err(format_err!("stream received RST_STREAM: {:?}", reason));
diff --git a/src/storage/futures.rs b/src/storage/futures.rs
index da64f936..83a47771 100644
--- a/src/storage/futures.rs
+++ b/src/storage/futures.rs
@@ -1,5 +1,6 @@
-use std::thread;
 use std::sync::{Arc, Mutex};
+use std::thread;
+
 use failure::*;
 use tokio::prelude::*;
 
@@ -9,13 +10,14 @@ pub struct StorageOperation {
 }
 
 impl StorageOperation {
-
     pub fn new() -> Self {
-        StorageOperation { state: Arc::new(Mutex::new(false)), running: false }
+        StorageOperation {
+            state: Arc::new(Mutex::new(false)),
+            running: false,
+        }
     }
 
     fn run(&mut self, task: task::Task) {
-
         let state = self.state.clone();
 
         thread::spawn(move || {
@@ -51,11 +53,8 @@ impl Future for StorageOperation {
     }
 }
 
-
 #[test]
-fn test_storage_future()
-{
-
+fn test_storage_future() {
     let op = StorageOperation::new();
     hyper::rt::run(op.map_err(|e| {
         println!("Got Error: {}", e);