diff --git a/Cargo.lock b/Cargo.lock
index 25611a0..35e7622 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,7 +23,7 @@ dependencies = [
  "regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rmp-serde 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.9.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_utils 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_utils 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sodiumoxide 0.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "squash-sys 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -322,7 +322,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_utils"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 0.9.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -530,7 +530,7 @@ dependencies = [
 "checksum rmp 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)" = "333f01365885cb192edaa22acb06d7e2f196bfd19d6969419e8b61307e0710ea"
 "checksum rmp-serde 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f0b34c070f2a928d7786da44bfdb4372b547326bbc4757bd0696878558eac0bd"
 "checksum serde 0.9.13 (registry+https://github.com/rust-lang/crates.io-index)" = "231dfd55909400769e437326cfb4af8bec97c3dd56ab3d02df8ef5c7e00f179b"
-"checksum serde_utils 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b34a52969c7fc0254e214b82518c9a95dc88c84fc84cd847add314996a031be6"
+"checksum serde_utils 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c6fbfe71b80337654f81dfc667315ed6908e9303972bf719aacc919d491af0db"
 "checksum serde_yaml 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f8bd3f24ad8c7bcd34a6d70ba676dc11302b96f4f166aa5f947762e01098844d"
 "checksum sodiumoxide 0.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "bc02c0bc77ffed8e8eaef004399b825cf4fd8aa02d0af6e473225affd583ff4d"
 "checksum squash-sys 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "db1f9dde91d819b7746e153bc32489fa19e6a106c3d7f2b92187a4efbdc88b40"
diff --git a/Cargo.toml b/Cargo.toml
index 302057c..ca42774 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ description = "Deduplicating backup tool"
 serde = "0.9"
 rmp-serde = "0.12"
 serde_yaml = "0.6"
-serde_utils = "0.5.1"
+serde_utils = "0.5.2"
 squash-sys = "0.9"
 quick-error = "1.1"
 blake2-rfc = "0.2"
diff --git a/src/bundledb/db.rs b/src/bundledb/db.rs
index 5e704fc..740f3d6 100644
--- a/src/bundledb/db.rs
+++ b/src/bundledb/db.rs
@@ -255,13 +255,13 @@ impl BundleDb {
         let id = bundle.id();
         let (folder, filename) = self.layout.local_bundle_path(&id, self.local_bundles.len());
         try!(fs::create_dir_all(&folder).context(&folder as &Path));
-        let bundle = try!(bundle.copy_to(&self.layout.base_path(), folder.join(filename)));
+        let bundle = try!(bundle.copy_to(self.layout.base_path(), folder.join(filename)));
         self.local_bundles.insert(id, bundle);
         Ok(())
     }
 
     pub fn add_bundle(&mut self, bundle: BundleWriter) -> Result<BundleInfo, BundleDbError> {
-        let mut bundle = try!(bundle.finish(&self));
+        let mut bundle = try!(bundle.finish(self));
         if bundle.info.mode == BundleMode::Meta {
             try!(self.copy_remote_bundle_to_cache(&bundle))
         }
@@ -288,7 +288,7 @@ impl BundleDb {
     }
 
     pub fn get_chunk_list(&self, bundle: &BundleId) -> Result<ChunkList, BundleDbError> {
-        let mut bundle = try!(self.get_stored_bundle(bundle).and_then(|stored| self.get_bundle(&stored)));
+        let mut bundle = try!(self.get_stored_bundle(bundle).and_then(|stored| self.get_bundle(stored)));
         Ok(try!(bundle.get_chunk_list()).clone())
     }
 
diff --git a/src/bundledb/reader.rs b/src/bundledb/reader.rs
index cef97e4..a0baab7 100644
--- a/src/bundledb/reader.rs
+++ b/src/bundledb/reader.rs
@@ -101,7 +101,7 @@ impl BundleReader {
         info_data.resize(header.info_size, 0);
         try!(file.read_exact(&mut info_data).context(path));
         if let Some(ref encryption) = header.encryption {
-            info_data = try!(crypto.lock().unwrap().decrypt(&encryption, &info_data).context(path));
+            info_data = try!(crypto.lock().unwrap().decrypt(encryption, &info_data).context(path));
         }
         let mut info: BundleInfo = try!(msgpack::decode(&info_data).context(path));
         info.encryption = header.encryption;
@@ -131,7 +131,7 @@ impl BundleReader {
         chunk_data.resize(self.info.chunk_list_size, 0);
         try!(file.read_exact(&mut chunk_data).context(&self.path as &Path));
         if let Some(ref encryption) = self.info.encryption {
-            chunk_data = try!(self.crypto.lock().unwrap().decrypt(&encryption, &chunk_data).context(&self.path as &Path));
+            chunk_data = try!(self.crypto.lock().unwrap().decrypt(encryption, &chunk_data).context(&self.path as &Path));
         }
         let chunks = ChunkList::read_from(&chunk_data);
         let mut chunk_positions = Vec::with_capacity(chunks.len());
@@ -164,7 +164,7 @@ impl BundleReader {
 
     fn decode_contents(&self, mut data: Vec<u8>) -> Result<Vec<u8>, BundleReaderError> {
         if let Some(ref encryption) = self.info.encryption {
-            data = try!(self.crypto.lock().unwrap().decrypt(&encryption, &data).context(&self.path as &Path));
+            data = try!(self.crypto.lock().unwrap().decrypt(encryption, &data).context(&self.path as &Path));
         }
         if let Some(ref compression) = self.info.compression {
             let mut stream = try!(compression.decompress_stream().context(&self.path as &Path));
diff --git a/src/bundledb/uploader.rs b/src/bundledb/uploader.rs
index 0e02713..6c9479b 100644
--- a/src/bundledb/uploader.rs
+++ b/src/bundledb/uploader.rs
@@ -76,7 +76,7 @@ impl BundleUploader {
             self.waiting.fetch_sub(1, Ordering::SeqCst);
             self.wait.0.notify_all();
             let folder = dst_path.parent().unwrap();
-            try!(fs::create_dir_all(&folder).context(&folder as &Path));
+            try!(fs::create_dir_all(&folder).context(folder as &Path));
             try!(fs::copy(&src_path, &dst_path).context(&dst_path as &Path));
             try!(fs::remove_file(&src_path).context(&src_path as &Path));
             debug!("Uploaded {:?} to {:?}", src_path, dst_path);
diff --git a/src/bundledb/writer.rs b/src/bundledb/writer.rs
index ae332fd..9dc767b 100644
--- a/src/bundledb/writer.rs
+++ b/src/bundledb/writer.rs
@@ -94,14 +94,14 @@ impl BundleWriter {
             try!(stream.finish(&mut self.data).map_err(BundleWriterError::Compression))
         }
         if let Some(ref encryption) = self.encryption {
-            self.data = try!(self.crypto.lock().unwrap().encrypt(&encryption, &self.data));
+            self.data = try!(self.crypto.lock().unwrap().encrypt(encryption, &self.data));
         }
         let encoded_size = self.data.len();
         let mut chunk_data = Vec::with_capacity(self.chunks.encoded_size());
         self.chunks.write_to(&mut chunk_data).unwrap();
         let id = BundleId(self.hash_method.hash(&chunk_data));
         if let Some(ref encryption) = self.encryption {
-            chunk_data = try!(self.crypto.lock().unwrap().encrypt(&encryption, &chunk_data));
+            chunk_data = try!(self.crypto.lock().unwrap().encrypt(encryption, &chunk_data));
         }
         let mut path = db.layout.temp_bundle_path();
         let mut file = BufWriter::new(try!(File::create(&path).context(&path as &Path)));
@@ -121,7 +121,7 @@ impl BundleWriter {
         };
         let mut info_data = try!(msgpack::encode(&info).context(&path as &Path));
         if let Some(ref encryption) = self.encryption {
-            info_data = try!(self.crypto.lock().unwrap().encrypt(&encryption, &info_data));
+            info_data = try!(self.crypto.lock().unwrap().encrypt(encryption, &info_data));
         }
         let header = BundleHeader {
             encryption: self.encryption,
diff --git a/src/chunker.rs b/src/chunker.rs
index fce9507..575ec47 100644
--- a/src/chunker.rs
+++ b/src/chunker.rs
@@ -62,10 +62,9 @@ impl ChunkerType {
 
     pub fn avg_size(&self) -> usize {
         match *self {
-            ChunkerType::Ae(size) => size,
+            ChunkerType::Ae(size) | ChunkerType::Fixed(size) => size,
             ChunkerType::Rabin((size, _seed)) => size,
-            ChunkerType::FastCdc((size, _seed)) => size,
-            ChunkerType::Fixed(size) => size
+            ChunkerType::FastCdc((size, _seed)) => size
         }
     }
 
@@ -75,10 +74,9 @@ impl ChunkerType {
 
     pub fn seed(&self) -> u64 {
         match *self {
-            ChunkerType::Ae(_size) => 0,
+            ChunkerType::Ae(_size) | ChunkerType::Fixed(_size) => 0,
             ChunkerType::Rabin((_size, seed)) => seed as u64,
-            ChunkerType::FastCdc((_size, seed)) => seed,
-            ChunkerType::Fixed(_size) => 0,
+            ChunkerType::FastCdc((_size, seed)) => seed
         }
     }
 }
diff --git a/src/repository/backup.rs b/src/repository/backup.rs
index c3562c4..84103e1 100644
--- a/src/repository/backup.rs
+++ b/src/repository/backup.rs
@@ -160,7 +160,7 @@ impl Repository {
             if inode.file_type == FileType::Directory {
                 let path = path.join(inode.name);
                 for chunks in inode.children.unwrap().values() {
-                    let inode = try!(self.get_inode(&chunks));
+                    let inode = try!(self.get_inode(chunks));
                     queue.push_back((path.clone(), inode));
                 }
             }
diff --git a/src/repository/basic_io.rs b/src/repository/basic_io.rs
index 78383b7..7f0ec30 100644
--- a/src/repository/basic_io.rs
+++ b/src/repository/basic_io.rs
@@ -201,7 +201,7 @@ impl Repository {
 
     pub fn get_stream<W: Write>(&mut self, chunks: &[Chunk], w: &mut W) -> Result<(), RepositoryError> {
         for &(ref hash, len) in chunks {
-            let data = try!(try!(self.get_chunk(*hash)).ok_or_else(|| IntegrityError::MissingChunk(hash.clone())));
+            let data = try!(try!(self.get_chunk(*hash)).ok_or_else(|| IntegrityError::MissingChunk(*hash)));
             debug_assert_eq!(data.len() as u32, len);
             try!(w.write_all(&data));
         }
diff --git a/src/repository/integrity.rs b/src/repository/integrity.rs
index bec4faf..8a5d563 100644
--- a/src/repository/integrity.rs
+++ b/src/repository/integrity.rs
@@ -97,7 +97,7 @@ impl Repository {
             },
             Some(FileData::ChunkedIndirect(ref chunks)) => {
                 if try!(self.check_chunks(checked, chunks, true)) {
-                    let chunk_data = try!(self.get_data(&chunks));
+                    let chunk_data = try!(self.get_data(chunks));
                     let chunks = ChunkList::read_from(&chunk_data);
                     try!(self.check_chunks(checked, &chunks, true));
                 }
@@ -191,12 +191,12 @@ impl Repository {
                 try!(self.flush());
                 backup.root = chunks;
                 backup.modified = true;
-                try!(self.evacuate_broken_backup(&name));
-                try!(self.save_backup(&backup, &name));
+                try!(self.evacuate_broken_backup(name));
+                try!(self.save_backup(backup, name));
             },
             Err(err) => if repair {
                 warn!("The root of the backup {} has been corrupted\n\tcaused by: {}", name, err);
-                try!(self.evacuate_broken_backup(&name));
+                try!(self.evacuate_broken_backup(name));
             } else {
                 return Err(err)
             }
@@ -213,7 +213,7 @@ impl Repository {
         };
         info!("Checking inode...");
         let mut checked = Bitmap::new(self.index.capacity());
-        let mut inodes = try!(self.get_backup_path(&backup, path));
+        let mut inodes = try!(self.get_backup_path(backup, path));
         let mut inode = inodes.pop().unwrap();
         let mut modified = false;
         if let Err(err) = self.check_inode_contents(&inode, &mut checked) {
@@ -260,8 +260,8 @@ impl Repository {
             try!(self.flush());
             backup.root = chunks;
             backup.modified = true;
-            try!(self.evacuate_broken_backup(&name));
-            try!(self.save_backup(&backup, &name));
+            try!(self.evacuate_broken_backup(name));
+            try!(self.save_backup(backup, name));
         }
         Ok(())
     }
diff --git a/src/repository/metadata.rs b/src/repository/metadata.rs
index 5e5b54e..e18013c 100644
--- a/src/repository/metadata.rs
+++ b/src/repository/metadata.rs
@@ -249,7 +249,7 @@ impl Inode {
 
     #[inline]
     pub fn decode(data: &[u8]) -> Result<Self, InodeError> {
-        Ok(try!(msgpack::decode(&data)))
+        Ok(try!(msgpack::decode(data)))
     }
 }
 
@@ -299,7 +299,7 @@ impl Repository {
             if let Some(ref contents) = inode.data {
                 match *contents {
                     FileData::Inline(ref data) => {
-                        try!(file.write_all(&data));
+                        try!(file.write_all(data));
                     },
                     FileData::ChunkedDirect(ref chunks) => {
                         try!(self.get_stream(chunks, &mut file));