diff --git a/.circleci/config.yml b/.circleci/config.yml
index 044744d..a475d08 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,7 +22,7 @@ jobs:
   build:
     working_directory: /tmp/dockworker
     docker:
-      - image: eldesh/rust:1.36.0
+      - image: rust:1.47.0
         environment:
           DOCKER_VERSION: 18.03.1-ce
     steps:
@@ -33,18 +33,23 @@ jobs:
       - run:
           name: Setup Packages
           command: |
-            sudo apt-get update
-            sudo apt-get install -y ca-certificates curl libssl-dev
+            apt-get update
+            apt-get install -y ca-certificates curl libssl-dev
       - run:
           name: Install Docker Client
           command: |
             # client only
-            curl -fsSL https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz | sudo tar -zxf - --strip 1 -C /usr/local/bin docker/docker
+            curl -fsSL https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz | tar -zxf - --strip 1 -C /usr/local/bin docker/docker
+      - run:
+          name: Install rustfmt
+          command: |
+            rustup component add rustfmt
       - run:
           name: Generate cache key
           command: |
             cat Cargo.toml Cargo.lock >  /tmp/build-dep
             rustc --version           >> /tmp/build-dep
+            rustfmt --version         >> /tmp/build-dep
             echo $OS_VERSION          >> /tmp/build-dep
             apt list --installed      >> /tmp/build-dep
       - restore_cache:
diff --git a/Cargo.lock b/Cargo.lock
index d0b7dbf..b07faf6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,1612 +1,1569 @@
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 # It is not intended for manual editing.
 [[package]]
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 dependencies = [
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+ "gimli",
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+
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+
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 [[package]]
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+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
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- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi",
+ "libc",
+ "winapi 0.3.9",
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+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
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- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "addr2line",
+ "cfg-if 1.0.0",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
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- "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "backtrace-sys",
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+ "failure",
+ "futures",
+ "http",
+ "hyper",
+ "hyper-tls",
+ "hyperlocal",
+ "hyperx",
+ "log",
+ "mime",
+ "named_pipe",
+ "native-tls",
+ "nix",
+ "openssl",
+ "rand 0.5.6",
+ "serde",
+ "serde_json",
+ "tar",
+ "tokio",
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+ "url",
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 [[package]]
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 [[package]]
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 [[package]]
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 [[package]]
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-"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "534b8b91a95e0f71bca3ed5824752d558da048d4248c91af873b63bd60519752"
-"checksum serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "a915306b0f1ac5607797697148c223bedeaa36bcc2e28a01441cd638cc6567b4"
-"checksum serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)" = "4b90a9fbe1211e57d3e1c15670f1cb00802988fb23a1a4aad7a2b63544f1920e"
-"checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
-"checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
-"checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-"checksum string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b639411d0b9c738748b5397d5ceba08e648f4f1992231aa859af1a017f31f60b"
-"checksum syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)" = "f92e629aa1d9c827b2bb8297046c1ccffc57c99b947a680d3ccff1f136a3bee9"
-"checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
-"checksum tar 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "a303ba60a099fcd2aaa646b14d2724591a96a75283e4b7ed3d1a1658909d9ae2"
-"checksum tempfile 3.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "7e91405c14320e5c79b3d148e1c86f40749a36e490642202a31689cb1a3452b2"
-"checksum termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4096add70612622289f2fdcdbd5086dc81c1e2675e6ae58d6c4f62a16c6d7f2f"
-"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
-"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
-"checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
-"checksum tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4790d0be6f4ba6ae4f48190efa2ed7780c9e3567796abdb285003cf39840d9c5"
-"checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
-"checksum tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "331c8acc267855ec06eb0c94618dcbbfea45bed2d20b77252940095273fb58f6"
-"checksum tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30c6dbf2d1ad1de300b393910e8a3aa272b724a400b6531da03eed99e329fbf0"
-"checksum tokio-fs 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0e9cbbc8a3698b7ab652340f46633364f9eaa928ddaaee79d8b8f356dd79a09d"
-"checksum tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b53aeb9d3f5ccf2ebb29e19788f96987fa1355f8fe45ea193928eaaaf3ae820f"
-"checksum tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "afbcdb0f0d2a1e4c440af82d7bbf0bf91a8a8c0575bcd20c05d15be7e9d3a02f"
-"checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
-"checksum tokio-threadpool 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "17465013014410310f9f61fa10bf4724803c149ea1d51efece131c38efca93aa"
-"checksum tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4f37f0111d76cc5da132fe9bc0590b9b9cfd079bc7e75ac3846278430a299ff8"
-"checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
-"checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
-"checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
-"checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
-"checksum unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3218ea14b4edcaccfa0df0a64a3792a2c32cc706f1b336e48867f9d3147f90"
-"checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-"checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
-"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-"checksum unix_socket 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6aa2700417c405c38f5e6902d699345241c28c0b7ade4abaad71e35a87eb1564"
-"checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
-"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
-"checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
-"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "797464475f30ddb8830cc529aaaae648d581f99e2036a928877dfde027ddf6b3"
-"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
-"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "afc5508759c5bf4285e61feb862b6083c8480aec864fa17a81fdec6f69b461ab"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "561ed901ae465d6185fa7864d63fbd5720d0ef718366c9a4dc83cf6170d7e9ba"
-"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-"checksum xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"
+ "libc",
+]
diff --git a/Cargo.toml b/Cargo.toml
index d54ff41..4b80e79 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ repository = "https://github.com/eldesh/dockworker"
 documentation = "https://docs.rs/dockworker"
 readme = "README.md"
 keywords = ["docker"]
+edition = "2018"
 
 [badges]
 appveyor = { repository = "eldesh/dockworker", branch = "master", service = "github" }
@@ -25,38 +26,37 @@ experimental = []
 ssl = ["openssl", "native-tls", "hyper-tls"]
 
 [dependencies]
-chrono = "0.4.6"
-failure = "0.1.5"
+chrono = "0.4"
+failure = "0.1"
 backtrace-sys = "=0.1.23"
-futures = "0.1"
-http = "0.1"
-hyper = { version = "0.12", default-features = false, features = ["runtime"] }
+futures = "0.3"
+http = "0.2"
+hyper = "0.13"
 openssl = { version = "0.10", optional = true }
-hyperx = "0.14"
-hyper-tls = { version = "0.3", optional = true }
-serde = "1.0"
-serde_derive = "1.0"
-serde_json = "1.0"
-url = "1.2.2"
-byteorder = "1.1.0"
+hyperx = "1"
+hyper-tls = { version = "0.4", optional = true }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+url = "2"
+byteorder = "1"
 tar = "0.4"
-tokio = "0.1"
+tokio = { version = "0.2", features = ["full"] }
 log = "0.4"
 mime = "0.3"
 native-tls = { version = "0.2", optional = true }
 nix = "0.15"
-base64 = "0.9.2"
-dirs = "1.0.0"
+base64 = "0.9"
+dirs = "1"
 
 [dev-dependencies]
-failure = "0.1.5"
-env_logger = "0.5"
+failure = "0.1"
+env_logger = "0.8"
 rand = "0.5"
 
 [target.'cfg(unix)'.dependencies]
-hyperlocal = "0.6"
-unix_socket = "0.5.0"
+hyperlocal = "0.7"
+unix_socket = "0.5"
 
 [target.'cfg(windows)'.dependencies]
-named_pipe = "0.2.2"
+named_pipe = "0.2"
 
diff --git a/appveyor.yml b/appveyor.yml
index 0bd5d52..f33fe93 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ image: Visual Studio 2017
 
 install:
   - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
-  - rustup-init -yv --default-toolchain 1.31.1 --default-host x86_64-pc-windows-gnu
+  - rustup-init -yv --default-toolchain 1.47.0 --default-host x86_64-pc-windows-gnu
   - set PATH=%PATH%;%USERPROFILE%\.cargo\bin
   - rustc -vV
   - cargo -vV
diff --git a/rust-toolchain b/rust-toolchain
index 39fc130..21998d3 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.36.0
+1.47.0
diff --git a/src/container.rs b/src/container.rs
index b5eaab9..08fd024 100644
--- a/src/container.rs
+++ b/src/container.rs
@@ -1,16 +1,16 @@
+use crate::errors;
+use crate::hyper_client::Response;
+use crate::network::EndpointConfig;
 use byteorder::{BigEndian, ReadBytesExt};
-use errors;
-use hyper_client::Response;
-use serde::de::{self, Deserialize, DeserializeOwned, Deserializer};
-use std;
+use log::{debug, error};
+use serde::de::{self, DeserializeOwned, Deserializer};
+use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::fmt;
 use std::io::{self, Read};
 use std::str::FromStr;
 use std::sync::{Arc, Mutex, MutexGuard, PoisonError};
 
-use network::EndpointConfig;
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[allow(non_snake_case)]
 pub struct Container {
@@ -470,7 +470,7 @@ impl ContainerStdio {
     }
 
     fn forcused_buff(&self) -> io::Result<MutexGuard<Vec<u8>>> {
-        use container::ContainerStdioType::*;
+        use crate::container::ContainerStdioType::*;
         match self.type_ {
             Stdin => self.stdin_buff.lock().map_err(poison),
             Stdout => self.stdout_buff.lock().map_err(poison),
@@ -480,7 +480,7 @@ impl ContainerStdio {
 
     // read next chunk from response to the inner buffer
     fn readin_next(&mut self) -> io::Result<usize> {
-        use container::ContainerStdioType::*;
+        use crate::container::ContainerStdioType::*;
 
         while let Some(xs) = self.src.lock().map_err(poison)?.next() {
             let AttachResponseFrame {
@@ -597,7 +597,7 @@ impl From<Response> for AttachResponseIter {
 impl Iterator for AttachResponseIter {
     type Item = io::Result<AttachResponseFrame>;
     fn next(&mut self) -> Option<Self::Item> {
-        use container::ContainerStdioType::*;
+        use crate::container::ContainerStdioType::*;
 
         let mut buf = [0u8; 8];
         // read header
diff --git a/src/credentials.rs b/src/credentials.rs
index a6a379f..f57b49e 100644
--- a/src/credentials.rs
+++ b/src/credentials.rs
@@ -1,9 +1,10 @@
 ///! Access credentials for accessing any docker daemon endpoints
 ///!
 ///! Currently, any values of these types are only used for `/images/{name}/push` api.
-use header::XRegistryAuth;
+use crate::header::XRegistryAuth;
+use crate::system::AuthToken;
+use serde::{Deserialize, Serialize};
 use serde_json;
-use system::AuthToken;
 
 /// Access credential
 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
diff --git a/src/docker.rs b/src/docker.rs
index a43c04a..b8f5a8f 100644
--- a/src/docker.rs
+++ b/src/docker.rs
@@ -1,3 +1,28 @@
+use crate::container::{
+    AttachResponse, Container, ContainerFilters, ContainerInfo, ExecInfo, ExitStatus, LogResponse,
+};
+pub use crate::credentials::{Credential, UserPassword};
+use crate::errors::*;
+use crate::filesystem::{FilesystemChange, XDockerContainerPathStat};
+use crate::header::XRegistryAuth;
+use crate::http_client::{HaveHttpClient, HttpClient};
+use crate::hyper_client::{HyperClient, Response};
+use crate::image::{Image, ImageId, SummaryImage};
+use crate::network::*;
+use crate::options::*;
+use crate::process::{Process, Top};
+use crate::response::Response as DockerResponse;
+use crate::signal::Signal;
+use crate::stats::StatsReader;
+use crate::system::{AuthToken, SystemInfo};
+use crate::version::Version;
+#[cfg(feature = "experimental")]
+use checkpoint::{Checkpoint, CheckpointCreateOptions, CheckpointDeleteOptions};
+use http::{HeaderMap, StatusCode};
+use hyperx::header::{ContentType, TypedHeaders};
+use log::*;
+use serde::de::DeserializeOwned;
+use serde::Deserialize;
 use std::env;
 use std::ffi::OsStr;
 use std::fmt;
@@ -6,36 +31,7 @@ use std::io::{BufRead, BufReader, Read};
 use std::path::{Path, PathBuf};
 use std::result;
 use std::time::Duration;
-use url;
-
-#[cfg(feature = "experimental")]
-use checkpoint::{Checkpoint, CheckpointCreateOptions, CheckpointDeleteOptions};
-
-use container::{
-    AttachResponse, Container, ContainerFilters, ContainerInfo, ExecInfo, ExitStatus, LogResponse,
-};
-
-pub use credentials::{Credential, UserPassword};
-use errors::*;
-use filesystem::{FilesystemChange, XDockerContainerPathStat};
-use hyper_client::HyperClient;
-use image::{Image, ImageId, SummaryImage};
-use network::*;
-use options::*;
-use process::{Process, Top};
-use stats::StatsReader;
-use system::{AuthToken, SystemInfo};
-use tar::{self, Archive};
-use version::Version;
-
-use header::XRegistryAuth;
-use http_client::{HaveHttpClient, HttpClient};
-use hyper_client::{ContentType, Headers, Response, StatusCode};
-use mime;
-use response::Response as DockerResponse;
-use serde::de::DeserializeOwned;
-use serde_json;
-use signal::Signal;
+use tar::Archive;
 
 /// The default `DOCKER_HOST` address that we will try to connect to.
 #[cfg(unix)]
@@ -78,7 +74,7 @@ pub struct Docker {
     /// connection protocol
     protocol: Protocol,
     /// http headers used for any requests
-    headers: Headers,
+    headers: HeaderMap,
     /// access credential for accessing apis
     credential: Option<Credential>,
 }
@@ -149,7 +145,7 @@ impl Docker {
         Self {
             client,
             protocol,
-            headers: Headers::new(),
+            headers: HeaderMap::new(),
             credential: None,
         }
     }
@@ -158,7 +154,7 @@ impl Docker {
         self.credential = Some(credential)
     }
 
-    fn headers(&self) -> &Headers {
+    fn headers(&self) -> &HeaderMap {
         &self.headers
     }
 
@@ -308,7 +304,7 @@ impl Docker {
 
         let json_body = serde_json::to_string(&option)?;
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(&headers, &path, &json_body)
             .and_then(api_result)
@@ -541,7 +537,7 @@ impl Docker {
     ) -> Result<CreateExecResponse> {
         let json_body = serde_json::to_string(&option)?;
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(&headers, &format!("/containers/{}/exec", id), &json_body)
             .and_then(api_result)
@@ -558,7 +554,7 @@ impl Docker {
         let json_body = serde_json::to_string(&option)?;
 
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
 
         self.http_client()
             .post(&headers, &format!("/exec/{}/start", id), &json_body)
@@ -784,7 +780,7 @@ impl Docker {
     pub fn build_image(&self, options: ContainerBuildOptions, tar_path: &Path) -> Result<Response> {
         let mut headers = self.headers().clone();
         let application_tar: mime::Mime = "application/x-tar".parse().unwrap();
-        headers.set::<ContentType>(ContentType(application_tar));
+        headers.encode(&ContentType(application_tar));
         let res = self.http_client().post_file(
             &headers,
             &format!("/build?{}", options.to_url_params()),
@@ -821,7 +817,13 @@ impl Docker {
 
         let mut headers = self.headers().clone();
         if let Some(ref credential) = self.credential {
-            headers.set::<XRegistryAuth>(credential.clone().into());
+            headers.insert(
+                "X-Registry-Auth",
+                XRegistryAuth::from(credential.clone())
+                    .to_string()
+                    .parse()
+                    .unwrap(),
+            );
         }
         let res =
             self.http_client()
@@ -862,7 +864,13 @@ impl Docker {
         param.append_pair("tag", tag);
         let mut headers = self.headers().clone();
         if let Some(ref credential) = self.credential {
-            headers.set::<XRegistryAuth>(credential.clone().into());
+            headers.insert(
+                "X-Registry-Auth",
+                XRegistryAuth::from(credential.clone())
+                    .to_string()
+                    .parse()
+                    .unwrap(),
+            );
         }
         self.http_client()
             .post(
@@ -973,7 +981,7 @@ impl Docker {
     pub fn load_image(&self, quiet: bool, path: &Path) -> Result<ImageId> {
         let mut headers = self.headers().clone();
         let application_tar: mime::Mime = "application/x-tar".parse().unwrap();
-        headers.set::<ContentType>(ContentType(application_tar));
+        headers.encode(&ContentType(application_tar));
         let res = self.http_client().post_file(
             &headers,
             &format!("/images/load?quiet={}", quiet),
@@ -1029,7 +1037,7 @@ impl Docker {
         );
         let json_body = serde_json::to_string(&req)?;
         let mut headers = self.headers().clone();
-        headers.set(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(&headers, "/auth", &json_body)
             .and_then(api_result)
@@ -1215,7 +1223,7 @@ impl Docker {
     pub fn create_network(&self, option: &NetworkCreateOptions) -> Result<CreateNetworkResponse> {
         let json_body = serde_json::to_string(&option)?;
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(&headers, "/networks/create", &json_body)
             .and_then(api_result)
@@ -1228,7 +1236,7 @@ impl Docker {
     pub fn connect_network(&self, id: &str, option: &NetworkConnectOptions) -> Result<()> {
         let json_body = serde_json::to_string(&option)?;
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(&headers, &format!("/networks/{}/connect", id), &json_body)
             .and_then(ignore_result)
@@ -1241,7 +1249,7 @@ impl Docker {
     pub fn disconnect_network(&self, id: &str, option: &NetworkDisconnectOptions) -> Result<()> {
         let json_body = serde_json::to_string(&option)?;
         let mut headers = self.headers().clone();
-        headers.set::<ContentType>(ContentType::json());
+        headers.encode(&ContentType::json());
         self.http_client()
             .post(
                 &headers,
@@ -1279,8 +1287,6 @@ impl HaveHttpClient for Docker {
 
 #[cfg(all(test, unix))]
 mod tests {
-    extern crate rand;
-
     use super::*;
     use std::convert::From;
     use std::env;
@@ -1290,11 +1296,11 @@ mod tests {
     use std::path::PathBuf;
     use std::thread;
 
-    use self::rand::Rng;
     use chrono::Local;
+    use rand::Rng;
     use tar::Builder as TarBuilder;
 
-    use container;
+    use crate::container;
 
     #[test]
     fn test_server_access() {
@@ -1838,9 +1844,9 @@ mod tests {
     }
 
     fn prune_networks() {
-        use network::LabelFilter as F;
-        use network::NetworkCreateOptions as Net;
-        use network::PruneNetworkFilters as Prune;
+        use crate::network::LabelFilter as F;
+        use crate::network::NetworkCreateOptions as Net;
+        use crate::network::PruneNetworkFilters as Prune;
         let docker = Docker::connect_with_defaults().unwrap();
         let mut create_nw_3 = Local::now();
         for i in 1..=6 {
diff --git a/src/errors.rs b/src/errors.rs
index 78c3fa0..4d08bb1 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,16 +1,11 @@
+use crate::docker;
+use crate::response;
+pub use failure::ResultExt;
+use failure::{Backtrace, Context, Fail};
 use std::env;
 use std::fmt;
 use std::io;
 
-use docker;
-pub use failure::ResultExt;
-use failure::{Backtrace, Context, Fail};
-use http;
-use hyper;
-#[cfg(feature = "openssl")]
-use openssl;
-use response;
-
 pub type Result<T> = ::std::result::Result<T, Error>;
 
 #[derive(Fail, Debug, Clone)]
@@ -151,8 +146,8 @@ impl From<http::Error> for Error {
 }
 
 #[cfg(feature = "openssl")]
-impl From<hyper_tls::Error> for Error {
-    fn from(error: hyper_tls::Error) -> Self {
+impl From<native_tls::Error> for Error {
+    fn from(error: native_tls::Error) -> Self {
         Error {
             inner: error.context(ErrorKind::SSL),
         }
diff --git a/src/filesystem.rs b/src/filesystem.rs
index e586184..b821f6a 100644
--- a/src/filesystem.rs
+++ b/src/filesystem.rs
@@ -1,3 +1,5 @@
+use serde::{Deserialize, Serialize};
+
 /// response of /containers/{id}/changes
 #[derive(Debug, Serialize, Deserialize)]
 #[allow(non_snake_case)]
diff --git a/src/header.rs b/src/header.rs
index 01d3d79..672de2f 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -4,6 +4,7 @@ use base64::{self, STANDARD};
 use hyperx::header::Header;
 use hyperx::Error;
 use hyperx::Result;
+use serde::{Deserialize, Serialize};
 use std::fmt;
 
 /// The http header represent `X-Registry-Auth`
@@ -14,6 +15,16 @@ pub struct XRegistryAuth {
     body: String,
 }
 
+impl fmt::Display for XRegistryAuth {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            base64::encode_config(self.body.as_bytes(), STANDARD)
+        )
+    }
+}
+
 impl XRegistryAuth {
     pub fn new(body: String) -> Self {
         Self { body }
@@ -39,8 +50,6 @@ impl Header for XRegistryAuth {
     }
 
     fn fmt_header(&self, f: &mut hyperx::header::Formatter) -> fmt::Result {
-        let b64 = base64::encode_config(self.body.as_bytes(), STANDARD);
-        debug!("{}: {}", Self::header_name(), b64);
-        f.fmt_line(&b64)
+        f.fmt_line(self)
     }
 }
diff --git a/src/http_client.rs b/src/http_client.rs
index 471df2a..66d6690 100644
--- a/src/http_client.rs
+++ b/src/http_client.rs
@@ -1,35 +1,35 @@
+use crate::hyper_client::Response;
+use http::HeaderMap;
 use std::path::Path;
 use std::result;
 
-use hyper_client::*;
-
 /// A http client
 pub trait HttpClient {
     type Err: Send + 'static;
 
-    fn get(&self, headers: &Headers, path: &str) -> result::Result<Response, Self::Err>;
+    fn get(&self, headers: &HeaderMap, path: &str) -> result::Result<Response, Self::Err>;
 
-    fn head(&self, headers: &Headers, path: &str) -> result::Result<http::HeaderMap, Self::Err>;
+    fn head(&self, headers: &HeaderMap, path: &str) -> result::Result<http::HeaderMap, Self::Err>;
 
     fn post(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         body: &str,
     ) -> result::Result<Response, Self::Err>;
 
-    fn delete(&self, headers: &Headers, path: &str) -> result::Result<Response, Self::Err>;
+    fn delete(&self, headers: &HeaderMap, path: &str) -> result::Result<Response, Self::Err>;
 
     fn post_file(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         file: &Path,
     ) -> result::Result<Response, Self::Err>;
 
     fn put_file(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         file: &Path,
     ) -> result::Result<Response, Self::Err>;
diff --git a/src/hyper_client.rs b/src/hyper_client.rs
index 688dfb7..e83a6be 100644
--- a/src/hyper_client.rs
+++ b/src/hyper_client.rs
@@ -1,24 +1,15 @@
+use crate::errors::*;
+use crate::http_client::HttpClient;
+use futures::prelude::*;
+use futures::stream::FusedStream;
+use http::{HeaderMap, Request, StatusCode};
+use hyper::Uri;
 use std::fs::File;
+use std::io::Read;
 use std::path::Path;
 use std::result;
-
-use http::header::HeaderMap;
-use http::Request;
-pub use http::StatusCode;
-use hyper::rt::Stream;
-use hyper::Uri;
-pub use hyperx::header::{ContentType, Headers};
-
-use errors::*;
-use http_client::HttpClient;
-
-use std::io::Read;
 use std::str::FromStr;
 
-use futures::future::Future;
-use futures::future::IntoFuture;
-use tokio;
-
 #[derive(Clone, Debug)]
 enum Client {
     HttpClient(hyper::Client<hyper::client::HttpConnector>),
@@ -42,25 +33,29 @@ impl Client {
 
 #[derive(Debug)]
 pub struct Response {
-    pub status: http::StatusCode,
+    pub status: StatusCode,
     buf: Vec<u8>,
-    rx: futures::sync::mpsc::UnboundedReceiver<hyper::Chunk>,
+    rx: futures::channel::mpsc::UnboundedReceiver<hyper::body::Bytes>,
     handle: std::thread::JoinHandle<()>,
 }
 
 impl Response {
     pub fn new(mut res: http::Response<hyper::Body>) -> Response {
         let status = res.status();
-        let (tx, rx) = futures::sync::mpsc::unbounded();
+        let (tx, rx) = futures::channel::mpsc::unbounded();
 
         let handle = std::thread::spawn(move || {
-            let mut tokio_runtime = tokio::runtime::current_thread::Runtime::new().unwrap();
+            let mut tokio_runtime = tokio::runtime::Builder::new()
+                .basic_scheduler()
+                .enable_all()
+                .build()
+                .unwrap();
 
-            let future = res.body_mut().for_each(move |chunk| {
+            let future = res.body_mut().try_for_each(move |chunk| {
                 if !tx.is_closed() {
                     tx.unbounded_send(chunk).unwrap();
                 }
-                Ok(())
+                futures::future::ok(())
             });
 
             tokio_runtime.block_on(future).unwrap();
@@ -93,39 +88,38 @@ impl std::io::Read for Response {
         let mut j = i;
         let mut buffer = Vec::new();
 
-        {
-            let stream = self
-                .rx
-                .by_ref()
-                .map(|chunk| chunk.into_bytes())
-                .skip_while(|bytes| {
-                    let m = std::cmp::min(bytes.len(), n - j);
-                    let len = bytes.len();
-                    j += len;
-
-                    for byte in &bytes[..m] {
-                        buf[i] = *byte;
-                        i += 1;
-                    }
+        if !self.rx.is_terminated() {
+            let stream = self.rx.by_ref().skip_while(|bytes| {
+                let m = std::cmp::min(bytes.len(), n - j);
+                let len = bytes.len();
+                j += len;
 
-                    if len < m {
-                        return Ok(true);
-                    }
+                for byte in &bytes[..m] {
+                    buf[i] = *byte;
+                    i += 1;
+                }
 
-                    if len == m {
-                        return Ok(false);
-                    }
+                if len < m {
+                    return futures::future::ready(true);
+                }
 
-                    for byte in &bytes[m..] {
-                        buffer.push(*byte);
-                    }
+                if len == m {
+                    return futures::future::ready(false);
+                }
 
-                    Ok(false)
-                });
+                for byte in &bytes[m..] {
+                    buffer.push(*byte);
+                }
 
-            if let Err(_) = stream.into_future().wait() {
-                unreachable!();
-            }
+                futures::future::ready(false)
+            });
+
+            let (_, _) = tokio::runtime::Builder::new()
+                .basic_scheduler()
+                .enable_all()
+                .build()
+                .unwrap()
+                .block_on(stream.into_future());
         }
 
         self.buf = buffer;
@@ -149,61 +143,52 @@ fn join_uri(uri: &Uri, path: &str) -> Result<Uri> {
     Ok(Uri::from_str(&joined).context(ErrorKind::InvalidUri { var: joined })?)
 }
 
-fn request_builder(method: &http::Method, uri: &Uri, headers: &Headers) -> http::request::Builder {
-    let mut request = Request::builder();
-    request.method(method);
-    request.uri(uri);
-    for header in headers.iter() {
-        request.header(header.name(), header.value_string());
+fn request_builder(
+    method: &http::Method,
+    uri: &Uri,
+    headers: &HeaderMap,
+) -> http::request::Builder {
+    let mut request = Request::builder().method(method).uri(uri);
+    for (name, value) in headers.iter() {
+        request = request.header(name, value);
     }
     request
 }
 
-fn with_redirect<T: Into<hyper::Body> + Sync + Send + 'static + Clone>(
-    max_redirects: u64,
+async fn request_with_redirect<T: Into<hyper::Body> + Sync + Send + 'static + Clone>(
     client: Client,
     method: http::Method,
     uri: Uri,
-    headers: Headers,
+    headers: HeaderMap,
     body: Option<T>,
-    future: hyper::client::ResponseFuture,
-) -> Box<
-    dyn hyper::rt::Future<Item = hyper::Response<hyper::Body>, Error = hyper::error::Error>
-        + Send
-        + 'static,
-> {
-    if max_redirects == 0 {
-        Box::new(future)
-            as Box<
-                dyn hyper::rt::Future<
-                        Item = hyper::Response<hyper::Body>,
-                        Error = hyper::error::Error,
-                    > + Send
-                    + 'static,
-            >
-    } else {
-        Box::new(future.and_then(move |res| {
+) -> Result<hyper::Response<hyper::Body>> {
+    let request =
+        request_builder(&method, &uri, &headers).body(if let Some(body) = body.clone() {
+            body.into()
+        } else {
+            hyper::Body::empty()
+        })?;
+    let mut future = client.request(request);
+    let mut max_redirects = 10;
+    loop {
+        let resp = future.await?;
+        if max_redirects == 0 {
+            return Ok(resp);
+        } else {
             let mut request = request_builder(&method, &uri, &headers);
             let uri_parts = http::uri::Parts::from(uri.clone());
 
-            if !res.status().is_redirection() || res.headers().get("Location").is_none() {
-                Box::new(Ok(res).into_future())
-                    as Box<
-                        dyn hyper::rt::Future<
-                                Item = hyper::Response<hyper::Body>,
-                                Error = hyper::error::Error,
-                            > + Send
-                            + 'static,
-                    >
+            if !resp.status().is_redirection() || resp.headers().get("Location").is_none() {
+                return Ok(resp);
             } else {
                 let mut see_other = false;
 
-                if res.status() == hyper::StatusCode::SEE_OTHER {
-                    request.method(hyper::Method::GET);
+                if resp.status() == hyper::StatusCode::SEE_OTHER {
+                    request = request.method(hyper::Method::GET);
                     see_other = true;
                 }
 
-                let location = res.headers().get("Location").unwrap();
+                let location = resp.headers().get("Location").unwrap();
                 let location = location.to_str().unwrap();
                 let location = Uri::from_str(location).unwrap();
                 let mut location_parts = http::uri::Parts::from(location);
@@ -214,9 +199,9 @@ fn with_redirect<T: Into<hyper::Body> + Sync + Send + 'static + Clone>(
                     location_parts.authority = uri_parts.authority;
                 }
                 let location = http::uri::Uri::from_parts(location_parts).unwrap();
-                request.uri(location.clone());
+                request = request.uri(location.clone());
 
-                let future = client.request(if see_other {
+                future = client.request(if see_other {
                     request.body(hyper::Body::empty()).unwrap()
                 } else {
                     if let Some(body) = body.clone() {
@@ -226,58 +211,24 @@ fn with_redirect<T: Into<hyper::Body> + Sync + Send + 'static + Clone>(
                     }
                 });
 
-                with_redirect(
-                    max_redirects - 1,
-                    client,
-                    method,
-                    uri,
-                    headers,
-                    body,
-                    future,
-                )
+                max_redirects -= 1;
             }
-        }))
-            as Box<
-                dyn hyper::rt::Future<
-                        Item = hyper::Response<hyper::Body>,
-                        Error = hyper::error::Error,
-                    > + Send
-                    + 'static,
-            >
+        }
     }
 }
 
-fn request_with_redirect<T: Into<hyper::Body> + Sync + Send + 'static + Clone>(
-    client: Client,
-    method: http::Method,
-    uri: Uri,
-    headers: Headers,
-    body: Option<T>,
-) -> Result<
-    Box<
-        dyn hyper::rt::Future<Item = hyper::Response<hyper::Body>, Error = hyper::error::Error>
-            + Send
-            + 'static,
-    >,
-> {
-    let request =
-        request_builder(&method, &uri, &headers).body(if let Some(body) = body.clone() {
-            body.into()
-        } else {
-            hyper::Body::empty()
-        })?;
-    let future = client.request(request);
-    Ok(with_redirect(
-        10, client, method, uri, headers, body, future,
-    ))
-}
-
 impl HyperClient {
     fn new(client: Client, base: Uri) -> Self {
         Self {
             client,
             base,
-            tokio_runtime: std::sync::Mutex::new(tokio::runtime::Runtime::new().unwrap()),
+            tokio_runtime: std::sync::Mutex::new(
+                tokio::runtime::Builder::new()
+                    .threaded_scheduler()
+                    .enable_all()
+                    .build()
+                    .unwrap(),
+            ),
         }
     }
 
@@ -285,8 +236,7 @@ impl HyperClient {
     #[cfg(unix)]
     pub fn connect_with_unix(path: &str) -> Self {
         let url = hyperlocal::Uri::new(path, "").into();
-        let unix = hyperlocal::UnixConnector::new();
-        let client = hyper::Client::builder().build::<_, hyper::Body>(unix);
+        let client = hyper::Client::builder().build::<_, hyper::Body>(hyperlocal::UnixConnector);
         Self::new(Client::UnixClient(client), url)
     }
 
@@ -322,9 +272,9 @@ impl HyperClient {
         // This ensures that using docker-machine-esque addresses work with Hyper.
         let addr_https = addr.clone().replacen("tcp://", "https://", 1);
         let url = Uri::from_str(&addr_https).context(ErrorKind::InvalidUri { var: addr_https })?;
-        let mut http = hyper::client::HttpConnector::new(4);
+        let mut http = hyper::client::HttpConnector::new();
         http.enforce_http(false);
-        let https = hyper_tls::HttpsConnector::from((http, builder.build()?));
+        let https = hyper_tls::HttpsConnector::from((http, builder.build()?.into()));
         let client = hyper::Client::builder().build::<_, hyper::Body>(https);
         Ok(Self::new(Client::HttpsClient(client), url))
     }
@@ -340,7 +290,7 @@ impl HyperClient {
 impl HttpClient for HyperClient {
     type Err = Error;
 
-    fn get(&self, headers: &Headers, path: &str) -> result::Result<Response, Self::Err> {
+    fn get(&self, headers: &HeaderMap, path: &str) -> result::Result<Response, Self::Err> {
         let url = join_uri(&self.base, path)?;
 
         let res = self
@@ -353,12 +303,12 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 None,
-            )?)?;
+            ))?;
 
         Ok(Response::new(res))
     }
 
-    fn head(&self, headers: &Headers, path: &str) -> result::Result<HeaderMap, Self::Err> {
+    fn head(&self, headers: &HeaderMap, path: &str) -> result::Result<HeaderMap, Self::Err> {
         let url = join_uri(&self.base, path)?;
 
         let res = self
@@ -371,14 +321,14 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 None,
-            )?)?;
+            ))?;
 
         Ok(res.headers().clone())
     }
 
     fn post(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         body: &str,
     ) -> result::Result<Response, Self::Err> {
@@ -394,12 +344,12 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 Some(body.to_string()),
-            )?)?;
+            ))?;
 
         Ok(Response::new(res))
     }
 
-    fn delete(&self, headers: &Headers, path: &str) -> result::Result<Response, Self::Err> {
+    fn delete(&self, headers: &HeaderMap, path: &str) -> result::Result<Response, Self::Err> {
         let url = join_uri(&self.base, path)?;
 
         let res = self
@@ -412,14 +362,14 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 None,
-            )?)?;
+            ))?;
 
         Ok(Response::new(res))
     }
 
     fn post_file(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         file: &Path,
     ) -> result::Result<Response, Self::Err> {
@@ -439,14 +389,14 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 Some(buf),
-            )?)?;
+            ))?;
 
         Ok(Response::new(res))
     }
 
     fn put_file(
         &self,
-        headers: &Headers,
+        headers: &HeaderMap,
         path: &str,
         file: &Path,
     ) -> result::Result<Response, Self::Err> {
@@ -466,7 +416,7 @@ impl HttpClient for HyperClient {
                 url,
                 headers.clone(),
                 Some(buf),
-            )?)?;
+            ))?;
 
         Ok(Response::new(res))
     }
diff --git a/src/image.rs b/src/image.rs
index 08d4a17..8f0242a 100644
--- a/src/image.rs
+++ b/src/image.rs
@@ -1,12 +1,11 @@
+use crate::container::Config;
 use chrono::offset::FixedOffset;
 use chrono::DateTime;
 use serde::de::{DeserializeOwned, Deserializer};
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::{fmt, result};
 
-use container::Config;
-
 fn null_to_default<'de, D, T>(de: D) -> Result<T, D::Error>
 where
     D: Deserializer<'de>,
diff --git a/src/lib.rs b/src/lib.rs
index 61bf04c..236f3d7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,41 +1,5 @@
 //! Docker Engine API client
 
-// for the `error_chain` crate.
-#![recursion_limit = "1024"]
-
-extern crate base64;
-extern crate byteorder;
-extern crate chrono;
-extern crate failure;
-extern crate futures;
-extern crate http;
-extern crate hyper;
-#[cfg(feature = "openssl")]
-extern crate hyper_tls;
-#[cfg(unix)]
-extern crate hyperlocal;
-extern crate hyperx;
-#[macro_use]
-extern crate log;
-extern crate mime;
-#[cfg(windows)]
-extern crate named_pipe;
-#[cfg(feature = "openssl")]
-extern crate native_tls;
-extern crate nix;
-#[cfg(feature = "openssl")]
-extern crate openssl;
-extern crate serde;
-#[macro_use]
-extern crate serde_derive;
-extern crate dirs;
-extern crate serde_json;
-extern crate tar;
-extern crate tokio;
-#[cfg(unix)]
-extern crate unix_socket;
-extern crate url;
-
 pub mod checkpoint;
 pub mod container;
 pub mod credentials;
diff --git a/src/network.rs b/src/network.rs
index 92493c6..38d979d 100644
--- a/src/network.rs
+++ b/src/network.rs
@@ -1,3 +1,5 @@
+use log::warn;
+use serde::{Deserialize, Serialize};
 use std::borrow::Cow;
 use std::collections::HashMap;
 use std::net::Ipv4Addr;
diff --git a/src/options.rs b/src/options.rs
index e04db93..70b6181 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -1,15 +1,14 @@
 //! Options which can be passed to various `Docker` commands.
 
+use crate::network;
+use serde::de::{DeserializeOwned, Deserializer};
+use serde::{Deserialize, Serialize};
+use serde_json;
 use std::collections::HashMap;
 use std::path::PathBuf;
 use std::time::Duration;
 use url::{self, form_urlencoded};
 
-use crate::network;
-use serde::de::{DeserializeOwned, Deserializer};
-use serde::Deserialize;
-use serde_json;
-
 fn null_to_default<'de, D, T>(de: D) -> Result<T, D::Error>
 where
     D: Deserializer<'de>,
@@ -858,6 +857,7 @@ impl ContainerCreateOptions {
 
 mod format {
     pub mod duration {
+        use serde::{Deserialize, Serialize};
         use std::time::Duration;
 
         #[derive(Serialize, Deserialize)]
diff --git a/src/process.rs b/src/process.rs
index 8728927..30dde68 100644
--- a/src/process.rs
+++ b/src/process.rs
@@ -1,3 +1,4 @@
+use serde::{Deserialize, Serialize};
 use std::fmt::Error;
 use std::fmt::{Display, Formatter};
 
diff --git a/src/response.rs b/src/response.rs
index 1b0def4..e56c13d 100644
--- a/src/response.rs
+++ b/src/response.rs
@@ -1,10 +1,10 @@
 ///! Response from Dockerd
 ///!
+use serde::{Deserialize, Serialize};
+use serde_json::value as json;
 use std::error::Error as StdError;
 use std::fmt;
 
-use serde_json::value as json;
-
 #[derive(Debug, PartialEq, Eq, PartialOrd, Clone, Serialize, Deserialize)]
 pub struct ProgressDetail {
     pub current: u64,
diff --git a/src/stats.rs b/src/stats.rs
index 7e34e9e..89da7e4 100644
--- a/src/stats.rs
+++ b/src/stats.rs
@@ -1,12 +1,9 @@
+use crate::errors::*;
+use crate::hyper_client::Response;
+use serde::{Deserialize, Serialize};
 use std::io::{BufRead, BufReader};
 use std::iter;
 
-use serde_json;
-
-use errors::*;
-
-use hyper_client::Response;
-
 /// response of /containers/{}/stats api
 #[derive(Debug)]
 pub struct StatsReader {
diff --git a/src/system.rs b/src/system.rs
index f4e4e7f..108623a 100644
--- a/src/system.rs
+++ b/src/system.rs
@@ -1,8 +1,8 @@
+use serde::de::{self, Deserializer, Visitor};
+use serde::{Deserialize, Serialize};
 use std::fmt;
 use std::path::PathBuf;
 
-use serde::de::{self, Deserializer, Visitor};
-
 struct NumToBoolVisitor;
 
 impl<'de> Visitor<'de> for NumToBoolVisitor {
diff --git a/src/test.rs b/src/test.rs
index 5df5ebe..5b8ae90 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -1,17 +1,15 @@
 #![cfg(test)]
 
-use super::container::HealthState;
-use super::ImageLayer;
-use container::{Container, ContainerInfo};
-use filesystem::FilesystemChange;
-use hyper_client::Response;
-use image::{Image, SummaryImage};
-use network::Network;
-use process::Top;
-use serde_json;
-use stats::{Stats, StatsReader};
-use system::SystemInfo;
-use version::Version;
+use crate::container::{Container, ContainerInfo, HealthState};
+use crate::filesystem::FilesystemChange;
+use crate::hyper_client::Response;
+use crate::image::{Image, SummaryImage};
+use crate::network::Network;
+use crate::options::ImageLayer;
+use crate::process::Top;
+use crate::stats::{Stats, StatsReader};
+use crate::system::SystemInfo;
+use crate::version::Version;
 
 #[test]
 fn get_containers() {
@@ -154,10 +152,10 @@ fn get_version_response() -> &'static str {
 }
 
 fn get_stats_response() -> Response {
-    let mut response = http::Response::builder();
-    response.status(http::StatusCode::OK);
-    response.header("Transfer-Encoding", "chunked");
-    response.header("Connection", "Close");
+    let response = http::Response::builder()
+        .status(http::StatusCode::OK)
+        .header("Transfer-Encoding", "chunked")
+        .header("Connection", "Close");
     let s1 = get_stats_single_event(1);
     let s2 = get_stats_single_event(2);
     let s3 = get_stats_single_event(3);
diff --git a/src/version.rs b/src/version.rs
index 54d0742..1e8b859 100644
--- a/src/version.rs
+++ b/src/version.rs
@@ -1,3 +1,5 @@
+use serde::Deserialize;
+
 #[derive(Debug, Deserialize)]
 #[allow(non_snake_case)]
 pub struct Version {