No bug - Revendor rust dependencies
authorServo VCS Sync <servo-vcs-sync@mozilla.com>
Mon, 02 Apr 2018 06:53:31 +0000
changeset 410901 9a041ee457de1515b94d81ef87564f978d328998
parent 410900 8bc766c8485b2e4ba19cd14e713ff48e13166e1a
child 410902 fa028fca9307379dcbb0a9ed4b0c315a3e8d996a
push id33748
push usercsabou@mozilla.com
push dateMon, 02 Apr 2018 10:16:14 +0000
treeherdermozilla-central@22cf7b27f837 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
milestone61.0a1
first release with
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
last release without
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
No bug - Revendor rust dependencies
Cargo.lock
third_party/rust/hyper_serde/.cargo-checksum.json
third_party/rust/hyper_serde/.travis.yml
third_party/rust/hyper_serde/Cargo.toml
third_party/rust/hyper_serde/LICENSE-APACHE
third_party/rust/hyper_serde/LICENSE-MIT
third_party/rust/hyper_serde/README.md
third_party/rust/hyper_serde/bors.toml
third_party/rust/hyper_serde/rustfmt.toml
third_party/rust/hyper_serde/src/lib.rs
third_party/rust/hyper_serde/tests/supported.rs
third_party/rust/hyper_serde/tests/tokens.rs
third_party/rust/serde_bytes/.cargo-checksum.json
third_party/rust/serde_bytes/Cargo.toml
third_party/rust/serde_bytes/LICENSE-APACHE
third_party/rust/serde_bytes/LICENSE-MIT
third_party/rust/serde_bytes/README.md
third_party/rust/serde_bytes/src/lib.rs
third_party/rust/serde_bytes/src/value.rs
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -815,16 +815,29 @@ dependencies = [
  "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
+name = "hyper_serde"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_bytes 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "ident_case"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "idna"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -961,20 +974,24 @@ dependencies = [
 [[package]]
 name = "malloc_size_of"
 version = "0.0.1"
 dependencies = [
  "app_units 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.23.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashglobe 0.1.0",
+ "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "selectors 0.19.0",
+ "serde 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_arc 0.1.1",
  "smallbitvec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "malloc_size_of_derive"
 version = "0.0.1"
 dependencies = [
  "quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1570,16 +1587,24 @@ source = "registry+https://github.com/ru
 name = "serde"
 version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde_derive 1.0.35 (git+https://github.com/servo/serde?branch=deserialize_from_enums5)",
 ]
 
 [[package]]
+name = "serde_bytes"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "serde_derive"
 version = "1.0.35"
 source = "git+https://github.com/servo/serde?branch=deserialize_from_enums5#de4534b21f263752ed3b641c3c07e012574985bf"
 dependencies = [
  "proc-macro2 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive_internals 0.22.1 (git+https://github.com/servo/serde?branch=deserialize_from_enums5)",
  "syn 0.12.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2289,16 +2314,17 @@ dependencies = [
 "checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
 "checksum gdi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0912515a8ff24ba900422ecda800b52f4016a56251922d397c576bf92c690518"
 "checksum gl_generator 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4f5c19cde55637681450c92f7a05ea16c78e2b6d0587e601ec1ebdab6960854b"
 "checksum gleam 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "959c818d9bbe9f7b7db55dce0bc44673c4da4f4ee122536c40550f984c3b8017"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 "checksum httparse 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "af2f2dd97457e8fb1ae7c5a420db346af389926e36f43768b96f101546b04a07"
 "checksum humantime 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0484fda3e7007f2a4a0d9c3a703ca38c71c54c55602ce4660c419fd32e188c9e"
 "checksum hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)" = "368cb56b2740ebf4230520e2b90ebb0461e69034d85d1945febd9b3971426db2"
+"checksum hyper_serde 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0997ad463f64ce6ba02cf5af320622bb9782e4f8355b650a2cc7ccca69a7cc2e"
 "checksum ident_case 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c9826188e666f2ed92071d2dadef6edc430b11b158b5b2b3f4babbcc891eaaa"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
 "checksum iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "29d062ee61fccdf25be172e70f34c9f6efc597e1fb8f6526e8437b2046ab26be"
 "checksum itertools 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b07332223953b5051bceb67e8c4700aa65291535568e1f12408c43c4a42c0394"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum khronos_api 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d867c645cfeb8a7fec503731679eac03ac11b7105aa5a71cb8f8ee5271636add"
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
@@ -2363,16 +2389,17 @@ dependencies = [
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
 "checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
 "checksum scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f417c22df063e9450888a7561788e9bd46d3bb3c1466435b4eccb903807f147d"
 "checksum scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c79eb2c3ac4bc2507cda80e7f3ac5b88bd8eae4c0914d5663e6a8933994be918"
 "checksum semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a3186ec9e65071a2095434b1f5bb24838d4e8e130f584c790f6033c79943537"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)" = "800fdb0a894572994f3970035a8a5f65d8ec2cd40e6cdf7d8cd9001d7b30648e"
+"checksum serde_bytes 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)" = "adb6e51a6b3696b301bc221d785f898b4457c619b51d7ce195a6d20baecb37b3"
 "checksum serde_derive 1.0.35 (git+https://github.com/servo/serde?branch=deserialize_from_enums5)" = "<none>"
 "checksum serde_derive_internals 0.22.1 (git+https://github.com/servo/serde?branch=deserialize_from_enums5)" = "<none>"
 "checksum simd 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3dd0805c7363ab51a829a1511ad24b6ed0349feaa756c4bc2f977f9f496e6673"
 "checksum siphasher 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2ffc669b726f2bc9a3bcff66e5e23b56ba6bf70e22a34c3d7b6d0b3450b65b84"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
 "checksum smallbitvec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "79b776f00dfe01df905fa3b2eaa1659522e99e3fc4a7b1334171622205c4bdcf"
 "checksum smallvec 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44db0ecb22921ef790d17ae13a3f6d15784183ff5f2a01aa32098c7498d2b4b9"
 "checksum stable_deref_trait 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "15132e0e364248108c5e2c02e3ab539be8d6f5d52a01ca9bbf27ed657316f02b"
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/.cargo-checksum.json
@@ -0,0 +1,1 @@
+{"files":{".travis.yml":"bdb52df624876cdf4a9214bb2a81cefcf7ed7176b7213045846a68ead3a5c56f","Cargo.toml":"5d897604ce6935387b66cb58cbd15af0fbf70a6f9aa18dc5a524d92946cb4fcb","LICENSE-APACHE":"62c7a1e35f56406896d7aa7ca52d0cc0d272ac022b5d2796e7d6905db8a3636a","LICENSE-MIT":"d5b3226768e22b6dd11270c92e1e4bab9acdfa7e5b2fc1efaddcf3fbf00aff05","README.md":"e4d2cfe8f354ea78d25b51d817ed172c8569b434badaec74b4e8551f30be01e9","bors.toml":"1d8a7a56c5c76925a3daa8c50a40cc82cbfc638f521f864106bd60b1e8a219a2","rustfmt.toml":"cad0c47fc0d3c55c5c2144efc4935f830bf720190267c416b9ee484ebbc3604d","src/lib.rs":"1d58d926c22e1027f0037609176361b19a9693d582f9e5349440eebd72d62d79","tests/supported.rs":"29912bd33d6b6ea0b8985f23b75af4ef4419017ce5cd4b3bc1fc8349af2e0952","tests/tokens.rs":"d7effb9466553820a65bee2ed250c93d60cffe7065fdf6d389e967ef80297efc"},"package":"0997ad463f64ce6ba02cf5af320622bb9782e4f8355b650a2cc7ccca69a7cc2e"}
\ No newline at end of file
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/.travis.yml
@@ -0,0 +1,8 @@
+language: rust
+rust:
+  - nightly
+  - beta
+  - stable
+branches:
+  except:
+    - staging.tmp
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/Cargo.toml
@@ -0,0 +1,50 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g. crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+name = "hyper_serde"
+version = "0.8.0"
+authors = ["Anthony Ramine <n.oxyde@gmail.com>"]
+description = "Serde support for Hyper types"
+documentation = "https://docs.rs/hyper_serde"
+keywords = ["serde", "serialization", "hyper", "cookie", "mime"]
+categories = ["encoding", "web-programming"]
+license = "MIT/Apache-2.0"
+repository = "https://github.com/nox/hyper_serde"
+
+[lib]
+doctest = false
+[dependencies.time]
+version = "0.1"
+
+[dependencies.cookie]
+version = "0.10"
+default-features = false
+
+[dependencies.mime]
+version = "0.2"
+
+[dependencies.serde]
+version = "1.0"
+
+[dependencies.hyper]
+version = "0.10"
+
+[dependencies.serde_bytes]
+version = "0.10"
+[dev-dependencies.serde_test]
+version = "1.0"
+
+[dev-dependencies.time]
+version = "0.1"
+[badges.travis-ci]
+repository = "nox/hyper_serde"
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/LICENSE-APACHE
@@ -0,0 +1,176 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+   result of this License or out of the use or inability to use the
+   Work (including but not limited to damages for loss of goodwill,
+   work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses), even if such Contributor
+   has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
+   and charge a fee for, acceptance of support, warranty, indemnity,
+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/LICENSE-MIT
@@ -0,0 +1,19 @@
+Copyright (c) 2016 Anthony Ramine
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/README.md
@@ -0,0 +1,40 @@
+Serde support for Hyper types
+=============================
+
+This crate provides wrappers and convenience functions to support [Serde] for
+some types defined in [cookie], [Hyper], [mime] and [time].
+
+[cookie]: https://github.com/alexcrichton/cookie-rs
+[Hyper]: https://github.com/hyperium/hyper
+[mime]: https://github.com/hyperium/mime.rs
+[Serde]: https://github.com/serde-rs/serde
+[time]: https://github.com/rust-lang-deprecated/time
+
+The supported types are:
+
+* `cookie::Cookie`
+* `hyper::header::ContentType`
+* `hyper::header::Headers`
+* `hyper::http::RawStatus`
+* `hyper::method::Method`
+* `mime::Mime`
+* `time::Tm`
+
+For more details, see the crate documentation.
+
+## License
+
+hyper_serde is licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
+   http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or
+   http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in hyper_serde by you, as defined in the Apache-2.0 license,
+shall be dual licensed as above, without any additional terms or conditions.
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/bors.toml
@@ -0,0 +1,1 @@
+status = ["continuous-integration/travis-ci/push"]
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/rustfmt.toml
@@ -0,0 +1,8 @@
+match_block_trailing_comma = true
+max_width = 80
+newline_style = "Unix"
+normalize_comments = true
+reorder_imported_names = true
+reorder_imports = true
+use_try_shorthand = true
+where_trailing_comma = true
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/src/lib.rs
@@ -0,0 +1,536 @@
+//! This crate provides wrappers and convenience functions to make Hyper and
+//! Serde work hand in hand.
+//!
+//! The supported types are:
+//!
+//! * `cookie::Cookie`
+//! * `hyper::header::ContentType`
+//! * `hyper::header::Headers`
+//! * `hyper::http::RawStatus`
+//! * `hyper::method::Method`
+//! * `mime::Mime`
+//! * `time::Tm`
+//!
+//! # How do I use a data type with a `Headers` member with Serde?
+//!
+//! Use the serde attributes `deserialize_with` and `serialize_with`.
+//!
+//! ```
+//! struct MyStruct {
+//! #[serde(deserialize_with = "hyper_serde::deserialize",
+//! serialize_with = "hyper_serde::serialize")]
+//! headers: Headers,
+//! }
+//! ```
+//!
+//! # How do I encode a `Headers` value with `serde_json::to_string`?
+//!
+//! Use the `Ser` wrapper.
+//!
+//! ```
+//! serde_json::to_string(&Ser::new(&headers))
+//! ```
+//!
+//! # How do I decode a `Method` value with `serde_json::parse`?
+//!
+//! Use the `De` wrapper.
+//!
+//! ```
+//! serde_json::parse::<De<Method>>("\"PUT\"").map(De::into_inner)
+//! ```
+//!
+//! # How do I send `Cookie` values as part of an IPC channel?
+//!
+//! Use the `Serde` wrapper. It implements `Deref` and `DerefMut` for
+//! convenience.
+//!
+//! ```
+//! ipc::channel::<Serde<Cookie>>()
+//! ```
+//!
+//!
+
+#![deny(missing_docs)]
+#![deny(unsafe_code)]
+
+extern crate cookie;
+extern crate hyper;
+extern crate mime;
+extern crate serde;
+extern crate serde_bytes;
+extern crate time;
+
+use cookie::Cookie;
+use hyper::header::{ContentType, Headers};
+use hyper::http::RawStatus;
+use hyper::method::Method;
+use mime::Mime;
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use serde_bytes::{ByteBuf, Bytes};
+use serde::de::{self, MapAccess, SeqAccess, Visitor};
+use serde::ser::{SerializeMap, SerializeSeq};
+use std::cmp;
+use std::fmt;
+use std::ops::{Deref, DerefMut};
+use std::str;
+use time::{Tm, strptime};
+
+/// Deserialises a `T` value with a given deserializer.
+///
+/// This is useful to deserialize Hyper types used in structure fields or
+/// tuple members with `#[serde(deserialize_with = "hyper_serde::deserialize")]`.
+#[inline(always)]
+pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
+    where D: Deserializer<'de>,
+          De<T>: Deserialize<'de>,
+{
+    De::deserialize(deserializer).map(De::into_inner)
+}
+
+/// Serialises `value` with a given serializer.
+///
+/// This is useful to serialize Hyper types used in structure fields or
+/// tuple members with `#[serde(serialize_with = "hyper_serde::serialize")]`.
+#[inline(always)]
+pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
+    where S: Serializer,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    Ser::new(value).serialize(serializer)
+}
+
+/// Serialises `value` with a given serializer in a pretty way.
+///
+/// This does the same job as `serialize` but with a prettier format
+/// for some combinations of types and serialisers.
+///
+/// For now, the only change from `serialize` is when serialising `Headers`,
+/// where the items in the header values get serialised as strings instead
+/// of sequences of bytes, if they represent UTF-8 text.
+#[inline(always)]
+pub fn serialize_pretty<T, S>(value: &T,
+                              serializer: S)
+                              -> Result<S::Ok, S::Error>
+    where S: Serializer,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    Ser::new_pretty(value).serialize(serializer)
+}
+
+/// A wrapper to deserialize Hyper types.
+///
+/// This is useful with functions such as `serde_json::from_str`.
+///
+/// Values of this type can only be obtained through
+/// the `serde::Deserialize` trait.
+#[derive(Debug)]
+pub struct De<T> {
+    v: T,
+}
+
+impl<T> De<T> {
+    fn new(v: T) -> Self {
+        De { v: v }
+    }
+}
+
+impl<'de, T> De<T>
+    where De<T>: Deserialize<'de>,
+{
+    /// Consumes this wrapper, returning the deserialized value.
+    #[inline(always)]
+    pub fn into_inner(self) -> T {
+        self.v
+    }
+}
+
+/// A wrapper to serialize Hyper types.
+///
+/// This is useful with functions such as `serde_json::to_string`.
+///
+/// Values of this type can only be passed to the `serde::Serialize` trait.
+#[derive(Debug)]
+pub struct Ser<'a, T: 'a> {
+    v: &'a T,
+    pretty: bool,
+}
+
+impl<'a, T> Ser<'a, T>
+    where Ser<'a, T>: serde::Serialize,
+{
+    /// Returns a new `Ser` wrapper.
+    #[inline(always)]
+    pub fn new(value: &'a T) -> Self {
+        Ser {
+            v: value,
+            pretty: false,
+        }
+    }
+
+    /// Returns a new `Ser` wrapper, in pretty mode.
+    ///
+    /// See `serialize_pretty`.
+    #[inline(always)]
+    pub fn new_pretty(value: &'a T) -> Self {
+        Ser {
+            v: value,
+            pretty: true,
+        }
+    }
+}
+
+/// A convenience wrapper to be used as a type parameter, for example when
+/// a `Vec<T>` need to be passed to serde.
+#[derive(Clone, PartialEq)]
+pub struct Serde<T>(pub T)
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize;
+
+impl<T> Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    /// Consumes this wrapper, returning the inner value.
+    #[inline(always)]
+    pub fn into_inner(self) -> T {
+        self.0
+    }
+}
+
+impl<T> fmt::Debug for Serde<T>
+    where T: fmt::Debug,
+          for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+        self.0.fmt(formatter)
+    }
+}
+
+impl<T> Deref for Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    type Target = T;
+
+    fn deref(&self) -> &T {
+        &self.0
+    }
+}
+
+impl<T> DerefMut for Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    fn deref_mut(&mut self) -> &mut T {
+        &mut self.0
+    }
+}
+
+impl<T: PartialEq> PartialEq<T> for Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    fn eq(&self, other: &T) -> bool {
+        self.0 == *other
+    }
+}
+
+impl<'b, T> Deserialize<'b> for Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'b>,
+    {
+        De::deserialize(deserializer).map(De::into_inner).map(Serde)
+    }
+}
+
+impl<T> Serialize for Serde<T>
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+{
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        Ser::new(&self.0).serialize(serializer)
+    }
+}
+
+impl<'de> Deserialize<'de> for De<ContentType> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        deserialize(deserializer).map(ContentType).map(De::new)
+    }
+}
+
+impl<'a> Serialize for Ser<'a, ContentType> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        serialize(&self.v.0, serializer)
+    }
+}
+
+impl<'de> Deserialize<'de> for De<Cookie<'static>> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        struct CookieVisitor;
+
+        impl<'de> Visitor<'de> for CookieVisitor {
+            type Value = De<Cookie<'static>>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "an HTTP cookie header value")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+                where E: de::Error,
+            {
+                Cookie::parse(v)
+                    .map(Cookie::into_owned)
+                    .map(De::new)
+                    .map_err(|e| E::custom(format!("{:?}", e)))
+            }
+        }
+
+        deserializer.deserialize_string(CookieVisitor)
+    }
+}
+
+impl<'a, 'cookie> Serialize for Ser<'a, Cookie<'cookie>> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        serializer.serialize_str(&self.v.to_string())
+    }
+}
+
+impl<'de> Deserialize<'de> for De<Headers> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        struct HeadersVisitor;
+
+        impl<'de> Visitor<'de> for HeadersVisitor {
+            type Value = De<Headers>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "a map from header names to header values")
+            }
+
+            fn visit_unit<E>(self) -> Result<Self::Value, E>
+                where E: de::Error,
+            {
+                Ok(De::new(Headers::new()))
+            }
+
+            fn visit_map<V>(self,
+                            mut visitor: V)
+                            -> Result<Self::Value, V::Error>
+                where V: MapAccess<'de>,
+            {
+                let mut headers = Headers::new();
+                while let Some((k, v)) = visitor.next_entry::<String, Value>()? {
+                    headers.set_raw(k, v.0);
+                }
+                Ok(De::new(headers))
+            }
+        }
+
+        struct Value(Vec<Vec<u8>>);
+
+        impl<'de> Deserialize<'de> for Value {
+            fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+                where D: Deserializer<'de>,
+            {
+                deserializer.deserialize_seq(ValueVisitor)
+            }
+        }
+
+        struct ValueVisitor;
+
+        impl<'de> Visitor<'de> for ValueVisitor {
+            type Value = Value;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "an array of strings and sequences of bytes")
+            }
+
+            fn visit_unit<E>(self) -> Result<Value, E>
+                where E: de::Error,
+            {
+                Ok(Value(vec![]))
+            }
+
+            fn visit_seq<V>(self, mut visitor: V) -> Result<Value, V::Error>
+                where V: SeqAccess<'de>,
+            {
+                // Clamp to not OOM on rogue values.
+                let capacity = cmp::min(visitor.size_hint().unwrap_or(0), 64);
+                let mut values = Vec::with_capacity(capacity);
+                while let Some(v) = visitor.next_element::<ByteBuf>()? {
+                    values.push(v.into());
+                }
+                Ok(Value(values))
+            }
+        }
+
+        deserializer.deserialize_map(HeadersVisitor)
+    }
+}
+
+impl<'a> Serialize for Ser<'a, Headers> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        struct Value<'headers>(&'headers [Vec<u8>], bool);
+
+        impl<'headers> Serialize for Value<'headers> {
+            fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+                where S: Serializer,
+            {
+                let mut serializer =
+                    serializer.serialize_seq(Some(self.0.len()))?;
+                for v in self.0 {
+                    if self.1 {
+                        if let Ok(v) = str::from_utf8(v) {
+                            serializer.serialize_element(v)?;
+                            continue;
+                        }
+                    }
+                    serializer.serialize_element(&Bytes::new(v))?;
+                }
+                serializer.end()
+            }
+        }
+
+        let mut serializer = serializer.serialize_map(Some(self.v.len()))?;
+        for header in self.v.iter() {
+            let name = header.name();
+            let value = self.v.get_raw(name).unwrap();
+            serializer.serialize_entry(name, &Value(value, self.pretty))?;
+        }
+        serializer.end()
+    }
+}
+
+impl<'de> Deserialize<'de> for De<Method> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        struct MethodVisitor;
+
+        impl<'de> Visitor<'de> for MethodVisitor {
+            type Value = De<Method>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "an HTTP method")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+                where E: de::Error,
+            {
+                v.parse::<Method>().map(De::new).map_err(E::custom)
+            }
+        }
+
+        deserializer.deserialize_string(MethodVisitor)
+    }
+}
+
+impl<'a> Serialize for Ser<'a, Method> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        Serialize::serialize(self.v.as_ref(), serializer)
+    }
+}
+
+impl<'de> Deserialize<'de> for De<Mime> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        struct MimeVisitor;
+
+        impl<'de> Visitor<'de> for MimeVisitor {
+            type Value = De<Mime>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "a mime type")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+                where E: de::Error,
+            {
+                v.parse::<Mime>().map(De::new).map_err(|()| {
+                    E::custom("could not parse mime type")
+                })
+            }
+        }
+
+        deserializer.deserialize_string(MimeVisitor)
+    }
+}
+
+impl<'a> Serialize for Ser<'a, Mime> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        serializer.serialize_str(&self.v.to_string())
+    }
+}
+
+impl<'de> Deserialize<'de> for De<RawStatus> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        let (code, reason) = Deserialize::deserialize(deserializer)?;
+        Ok(De::new(RawStatus(code, reason)))
+    }
+}
+
+impl<'a> Serialize for Ser<'a, RawStatus> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        (self.v.0, &self.v.1).serialize(serializer)
+    }
+}
+
+impl<'de> Deserialize<'de> for De<Tm> {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where D: Deserializer<'de>,
+    {
+        struct TmVisitor;
+
+        impl<'de> Visitor<'de> for TmVisitor {
+            type Value = De<Tm>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                write!(formatter, "a date and time according to RFC 3339")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+                where E: de::Error,
+            {
+                strptime(v, "%Y-%m-%dT%H:%M:%SZ").map(De::new).map_err(|e| {
+                    E::custom(e.to_string())
+                })
+            }
+        }
+
+        deserializer.deserialize_string(TmVisitor)
+    }
+}
+
+impl<'a> Serialize for Ser<'a, Tm> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer,
+    {
+        serializer.serialize_str(&self.v.rfc3339().to_string())
+    }
+}
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/tests/supported.rs
@@ -0,0 +1,33 @@
+extern crate cookie;
+extern crate hyper;
+extern crate hyper_serde;
+extern crate mime;
+extern crate serde;
+extern crate time;
+
+use cookie::Cookie;
+use hyper::header::{ContentType, Headers};
+use hyper::http::RawStatus;
+use hyper::method::Method;
+use hyper_serde::{De, Ser, Serde};
+use mime::Mime;
+use serde::{Deserialize, Serialize};
+use time::Tm;
+
+fn is_supported<T>()
+    where for<'de> De<T>: Deserialize<'de>,
+          for<'a> Ser<'a, T>: Serialize,
+          for <'de> Serde<T>: Deserialize<'de> + Serialize
+{
+}
+
+#[test]
+fn supported() {
+    is_supported::<Cookie>();
+    is_supported::<ContentType>();
+    is_supported::<Headers>();
+    is_supported::<Method>();
+    is_supported::<Mime>();
+    is_supported::<RawStatus>();
+    is_supported::<Tm>();
+}
new file mode 100644
--- /dev/null
+++ b/third_party/rust/hyper_serde/tests/tokens.rs
@@ -0,0 +1,132 @@
+extern crate cookie;
+extern crate hyper;
+extern crate hyper_serde;
+#[macro_use]
+extern crate mime;
+extern crate serde;
+extern crate serde_test;
+extern crate time;
+
+use cookie::Cookie;
+use hyper::header::{ContentType, Headers};
+use hyper::http::RawStatus;
+use hyper::method::Method;
+use hyper_serde::{De, Ser, deserialize};
+use serde::Deserialize;
+use serde_test::{Deserializer, Token, assert_ser_tokens};
+use std::fmt::Debug;
+use time::Duration;
+
+#[test]
+fn test_content_type() {
+    let content_type = ContentType(mime!(Application / Json));
+    let tokens = &[Token::Str("application/json")];
+
+    assert_ser_tokens(&Ser::new(&content_type), tokens);
+    assert_de_tokens(&content_type, tokens);
+}
+
+#[test]
+fn test_cookie() {
+    let cookie = Cookie::build("Hello", "World!")
+        .max_age(Duration::seconds(42))
+        .domain("servo.org")
+        .path("/")
+        .secure(true)
+        .http_only(false)
+        .finish();
+
+    let tokens = &[Token::Str("Hello=World!; Secure; Path=/; \
+                               Domain=servo.org; Max-Age=42")];
+
+    assert_ser_tokens(&Ser::new(&cookie), tokens);
+    assert_de_tokens(&cookie, tokens);
+}
+
+#[test]
+fn test_headers_empty() {
+    let headers = Headers::new();
+
+    let tokens = &[Token::Map { len: Some(0) }, Token::MapEnd];
+
+    assert_ser_tokens(&Ser::new(&headers), tokens);
+    assert_de_tokens(&headers, tokens);
+}
+
+#[test]
+fn test_headers_not_empty() {
+    use hyper::header::Host;
+
+    let mut headers = Headers::new();
+    headers.set(Host {
+        hostname: "baguette".to_owned(),
+        port: None,
+    });
+
+    // In Hyper 0.9, Headers is internally a HashMap and thus testing this
+    // with multiple headers is non-deterministic.
+
+    let tokens = &[Token::Map{ len: Some(1) },
+                   Token::Str("Host"),
+                   Token::Seq{ len: Some(1) },
+                   Token::Bytes(b"baguette"),
+                   Token::SeqEnd,
+                   Token::MapEnd];
+
+    assert_ser_tokens(&Ser::new(&headers), tokens);
+    assert_de_tokens(&headers, tokens);
+
+    let pretty = &[Token::Map{ len: Some(1) },
+                   Token::Str("Host"),
+                   Token::Seq{ len: Some(1) },
+                   Token::Str("baguette"),
+                   Token::SeqEnd,
+                   Token::MapEnd];
+
+    assert_ser_tokens(&Ser::new_pretty(&headers), pretty);
+    assert_de_tokens(&headers, pretty);
+}
+
+#[test]
+fn test_method() {
+    let method = Method::Put;
+    let tokens = &[Token::Str("PUT")];
+
+    assert_ser_tokens(&Ser::new(&method), tokens);
+    assert_de_tokens(&method, tokens);
+}
+
+#[test]
+fn test_raw_status() {
+    use std::borrow::Cow;
+
+    let raw_status = RawStatus(200, Cow::Borrowed("OK"));
+    let tokens = &[Token::Tuple{ len: 2 },
+                   Token::U16(200),
+                   Token::Str("OK"),
+                   Token::TupleEnd];
+
+    assert_ser_tokens(&Ser::new(&raw_status), tokens);
+    assert_de_tokens(&raw_status, tokens);
+}
+
+#[test]
+fn test_tm() {
+    use time::strptime;
+
+    let time = strptime("2017-02-22T12:03:31Z", "%Y-%m-%dT%H:%M:%SZ").unwrap();
+    let tokens = &[Token::Str("2017-02-22T12:03:31Z")];
+
+    assert_ser_tokens(&Ser::new(&time), tokens);
+    assert_de_tokens(&time, tokens);
+}
+
+pub fn assert_de_tokens<T>(value: &T, tokens: &[Token])
+    where T: Debug + PartialEq,
+          for<'de> De<T>: Deserialize<'de>,
+{
+    let mut deserializer = Deserializer::new(&tokens);
+    let v = deserialize::<T, _>(&mut deserializer).unwrap();
+    assert_eq!(&v, value);
+    assert_eq!(deserializer.next_token_opt(), None);
+}
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/.cargo-checksum.json
@@ -0,0 +1,1 @@
+{"files":{"Cargo.toml":"acd21fe58d1af762230c1dec07b9e0131d65b1751f5e5d0aebb7cd6f79f56720","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"6485b8ed310d3f0340bf1ad1f47645069ce4069dcc6bb46c7d5c6faf41de1fdb","README.md":"f0b7988c93ab594ca02b313b312b97a4c83669cd31aa0705711c113052130144","src/lib.rs":"cc5ff1cc84363022ac02e7291976b8d8d679cf5fbd021f192570c59e4011ddbd","src/value.rs":"911090aa5f4b0ee7ea00a8fe9d72e4df33dd4d9017689f0bdf97fa3a3d267817"},"package":"adb6e51a6b3696b301bc221d785f898b4457c619b51d7ce195a6d20baecb37b3"}
\ No newline at end of file
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/Cargo.toml
@@ -0,0 +1,41 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g. crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+name = "serde_bytes"
+version = "0.10.4"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+include = ["Cargo.toml", "src/**/*.rs", "README.md", "LICENSE-APACHE", "LICENSE-MIT"]
+description = "Optimized handling of `&[u8]` and `Vec<u8>` for Serde"
+homepage = "https://serde.rs"
+documentation = "https://docs.serde.rs/serde_bytes/"
+readme = "README.md"
+keywords = ["serde", "serialization", "no_std"]
+categories = ["encoding"]
+license = "MIT/Apache-2.0"
+repository = "https://github.com/serde-rs/bytes"
+[dependencies.serde]
+version = "1.0"
+default-features = false
+[dev-dependencies.bincode]
+version = "0.8"
+
+[dev-dependencies.serde_derive]
+version = "1.0"
+
+[dev-dependencies.serde_test]
+version = "1.0"
+
+[features]
+alloc = ["serde/alloc"]
+default = ["std"]
+std = ["serde/std"]
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/LICENSE-APACHE
@@ -0,0 +1,201 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/LICENSE-MIT
@@ -0,0 +1,25 @@
+Copyright (c) 2014 The Rust Project Developers
+
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/README.md
@@ -0,0 +1,55 @@
+# serde\_bytes [![Build Status](https://api.travis-ci.org/serde-rs/bytes.svg?branch=master)](https://travis-ci.org/serde-rs/bytes) [![Latest Version](https://img.shields.io/crates/v/serde_bytes.svg)](https://crates.io/crates/serde_bytes)
+
+Wrapper types to enable optimized handling of `&[u8]` and `Vec<u8>`.
+
+Without specialization, Rust forces Serde to treat `&[u8]` just like any
+other slice and `Vec<u8>` just like any other vector. In reality this
+particular slice and vector can often be serialized and deserialized in a
+more efficient, compact representation in many formats.
+
+When working with such a format, you can opt into specialized handling of
+`&[u8]` by wrapping it in `serde_bytes::Bytes` and `Vec<u8>` by wrapping it
+in `serde_bytes::ByteBuf`.
+
+This crate supports the Serde `with` attribute to enable efficient handling
+of `&[u8]` and `Vec<u8>` in structs without needing a wrapper type.
+
+```rust
+#[macro_use]
+extern crate serde_derive;
+
+extern crate serde;
+extern crate serde_bytes;
+
+#[derive(Serialize)]
+struct Efficient<'a> {
+    #[serde(with = "serde_bytes")]
+    bytes: &'a [u8],
+
+    #[serde(with = "serde_bytes")]
+    byte_buf: Vec<u8>,
+}
+
+#[derive(Serialize, Deserialize)]
+struct Packet {
+    #[serde(with = "serde_bytes")]
+    payload: Vec<u8>,
+}
+```
+
+## License
+
+Serde is licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
+   http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or
+   http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in Serde by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/src/lib.rs
@@ -0,0 +1,431 @@
+//! Wrapper types to enable optimized handling of `&[u8]` and `Vec<u8>`.
+//!
+//! Without specialization, Rust forces Serde to treat `&[u8]` just like any
+//! other slice and `Vec<u8>` just like any other vector. In reality this
+//! particular slice and vector can often be serialized and deserialized in a
+//! more efficient, compact representation in many formats.
+//!
+//! When working with such a format, you can opt into specialized handling of
+//! `&[u8]` by wrapping it in `serde_bytes::Bytes` and `Vec<u8>` by wrapping it
+//! in `serde_bytes::ByteBuf`.
+//!
+//! This crate supports the Serde `with` attribute to enable efficient handling
+//! of `&[u8]` and `Vec<u8>` in structs without needing a wrapper type.
+//!
+//! ```rust
+//! #[macro_use]
+//! extern crate serde_derive;
+//!
+//! extern crate serde;
+//! extern crate serde_bytes;
+//!
+//! #[derive(Serialize)]
+//! struct Efficient<'a> {
+//!     #[serde(with = "serde_bytes")]
+//!     bytes: &'a [u8],
+//!
+//!     #[serde(with = "serde_bytes")]
+//!     byte_buf: Vec<u8>,
+//! }
+//!
+//! #[derive(Serialize, Deserialize)]
+//! struct Packet {
+//!     #[serde(with = "serde_bytes")]
+//!     payload: Vec<u8>,
+//! }
+//! #
+//! # fn main() {}
+//! ```
+
+#![doc(html_root_url = "https://docs.rs/serde_bytes/0.10.4")]
+#![cfg_attr(not(feature = "std"), no_std)]
+#![cfg_attr(feature = "alloc", feature(alloc))]
+#![deny(missing_docs)]
+
+#[cfg(feature = "std")]
+use std::{fmt, ops};
+
+#[cfg(not(feature = "std"))]
+use core::{fmt, ops};
+
+use self::fmt::Debug;
+
+#[cfg(feature = "alloc")]
+extern crate alloc;
+#[cfg(feature = "alloc")]
+use alloc::Vec;
+
+#[macro_use]
+extern crate serde;
+use serde::ser::{Serialize, Serializer};
+use serde::de::{Deserialize, Deserializer, Visitor, Error};
+
+#[cfg(any(feature = "std", feature = "alloc"))]
+pub use self::bytebuf::ByteBuf;
+
+mod value;
+
+//////////////////////////////////////////////////////////////////////////////
+
+/// Serde `serialize_with` function to serialize bytes efficiently.
+///
+/// This function can be used with either of the following Serde attributes:
+///
+/// - `#[serde(with = "serde_bytes")]`
+/// - `#[serde(serialize_with = "serde_bytes::serialize")]`
+///
+/// ```rust
+/// #[macro_use]
+/// extern crate serde_derive;
+///
+/// extern crate serde;
+/// extern crate serde_bytes;
+///
+/// #[derive(Serialize)]
+/// struct Efficient<'a> {
+///     #[serde(with = "serde_bytes")]
+///     bytes: &'a [u8],
+///
+///     #[serde(with = "serde_bytes")]
+///     byte_buf: Vec<u8>,
+/// }
+/// #
+/// # fn main() {}
+/// ```
+pub fn serialize<T, S>(bytes: &T, serializer: S) -> Result<S::Ok, S::Error>
+    where T: ?Sized + AsRef<[u8]>,
+          S: Serializer
+{
+    serializer.serialize_bytes(bytes.as_ref())
+}
+
+/// Serde `deserialize_with` function to deserialize bytes efficiently.
+///
+/// This function can be used with either of the following Serde attributes:
+///
+/// - `#[serde(with = "serde_bytes")]`
+/// - `#[serde(deserialize_with = "serde_bytes::deserialize")]`
+///
+/// ```rust
+/// #[macro_use]
+/// extern crate serde_derive;
+///
+/// extern crate serde;
+/// extern crate serde_bytes;
+///
+/// #[derive(Deserialize)]
+/// struct Packet {
+///     #[serde(with = "serde_bytes")]
+///     payload: Vec<u8>,
+/// }
+/// #
+/// # fn main() {}
+/// ```
+#[cfg(any(feature = "std", feature = "alloc"))]
+pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
+    where T: From<Vec<u8>>,
+          D: Deserializer<'de>
+{
+    ByteBuf::deserialize(deserializer).map(|buf| Into::<Vec<u8>>::into(buf).into())
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+/// Wrapper around `&[u8]` to serialize and deserialize efficiently.
+///
+/// ```rust
+/// extern crate bincode;
+/// extern crate serde_bytes;
+///
+/// use std::collections::HashMap;
+/// use std::io;
+///
+/// use serde_bytes::Bytes;
+///
+/// fn print_encoded_cache() -> Result<(), bincode::Error> {
+///     let mut cache = HashMap::new();
+///     cache.insert(3, Bytes::new(b"three"));
+///     cache.insert(2, Bytes::new(b"two"));
+///     cache.insert(1, Bytes::new(b"one"));
+///
+///     bincode::serialize_into(&mut io::stdout(), &cache, bincode::Infinite)
+/// }
+/// #
+/// # fn main() {
+/// #     print_encoded_cache().unwrap();
+/// # }
+/// ```
+#[derive(Clone, Copy, Eq, Hash, PartialEq, PartialOrd, Ord)]
+pub struct Bytes<'a> {
+    bytes: &'a [u8],
+}
+
+impl<'a> Bytes<'a> {
+    /// Wrap an existing `&[u8]`.
+    pub fn new(bytes: &'a [u8]) -> Self {
+        Bytes { bytes: bytes }
+    }
+}
+
+impl<'a> Debug for Bytes<'a> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Debug::fmt(self.bytes, f)
+    }
+}
+
+impl<'a> From<&'a [u8]> for Bytes<'a> {
+    fn from(bytes: &'a [u8]) -> Self {
+        Bytes::new(bytes)
+    }
+}
+
+impl<'a> From<Bytes<'a>> for &'a [u8] {
+    fn from(wrapper: Bytes<'a>) -> &'a [u8] {
+        wrapper.bytes
+    }
+}
+
+impl<'a> ops::Deref for Bytes<'a> {
+    type Target = [u8];
+
+    fn deref(&self) -> &[u8] {
+        self.bytes
+    }
+}
+
+impl<'a> Serialize for Bytes<'a> {
+    #[inline]
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+        where S: Serializer
+    {
+        serializer.serialize_bytes(self.bytes)
+    }
+}
+
+struct BytesVisitor;
+
+impl<'de> Visitor<'de> for BytesVisitor {
+    type Value = Bytes<'de>;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.write_str("a borrowed byte array")
+    }
+
+    #[inline]
+    fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Bytes<'de>, E>
+        where E: Error
+    {
+        Ok(Bytes::from(v))
+    }
+
+    #[inline]
+    fn visit_borrowed_str<E>(self, v: &'de str) -> Result<Bytes<'de>, E>
+        where E: Error
+    {
+        Ok(Bytes::from(v.as_bytes()))
+    }
+}
+
+impl<'a, 'de: 'a> Deserialize<'de> for Bytes<'a> {
+    #[inline]
+    fn deserialize<D>(deserializer: D) -> Result<Bytes<'a>, D::Error>
+        where D: Deserializer<'de>
+    {
+        deserializer.deserialize_bytes(BytesVisitor)
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+#[cfg(any(feature = "std", feature = "alloc"))]
+mod bytebuf {
+    #[cfg(feature = "std")]
+    use std::{cmp, fmt, ops};
+
+    #[cfg(not(feature = "std"))]
+    use core::{cmp, fmt, ops};
+
+    use self::fmt::Debug;
+
+    #[cfg(feature = "alloc")]
+    use alloc::{String, Vec};
+
+    use serde::ser::{Serialize, Serializer};
+    use serde::de::{Deserialize, Deserializer, Visitor, SeqAccess, Error};
+
+    /// Wrapper around `Vec<u8>` to serialize and deserialize efficiently.
+    ///
+    /// ```rust
+    /// extern crate bincode;
+    /// extern crate serde_bytes;
+    ///
+    /// use std::collections::HashMap;
+    /// use std::io;
+    ///
+    /// use serde_bytes::ByteBuf;
+    ///
+    /// fn deserialize_bytebufs() -> Result<(), bincode::Error> {
+    ///     let example_data = [
+    ///         2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 116,
+    ///         119, 111, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 111, 110, 101];
+    ///
+    ///     let map: HashMap<u32, ByteBuf> =
+    ///         bincode::deserialize_from(&mut &example_data[..], bincode::Infinite)?;
+    ///
+    ///     println!("{:?}", map);
+    ///
+    ///     Ok(())
+    /// }
+    /// #
+    /// # fn main() {
+    /// #     deserialize_bytebufs().unwrap();
+    /// # }
+    /// ```
+    #[derive(Clone, Default, Eq, Hash, PartialEq, PartialOrd, Ord)]
+    pub struct ByteBuf {
+        bytes: Vec<u8>,
+    }
+
+    impl ByteBuf {
+        /// Construct a new, empty `ByteBuf`.
+        pub fn new() -> Self {
+            ByteBuf::from(Vec::new())
+        }
+
+        /// Construct a new, empty `ByteBuf` with the specified capacity.
+        pub fn with_capacity(cap: usize) -> Self {
+            ByteBuf::from(Vec::with_capacity(cap))
+        }
+
+        /// Wrap existing bytes in a `ByteBuf`.
+        pub fn from<T: Into<Vec<u8>>>(bytes: T) -> Self {
+            ByteBuf { bytes: bytes.into() }
+        }
+    }
+
+    impl Debug for ByteBuf {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            Debug::fmt(&self.bytes, f)
+        }
+    }
+
+    impl From<ByteBuf> for Vec<u8> {
+        fn from(wrapper: ByteBuf) -> Vec<u8> {
+            wrapper.bytes
+        }
+    }
+
+    impl From<Vec<u8>> for ByteBuf {
+        fn from(bytes: Vec<u8>) -> Self {
+            ByteBuf::from(bytes)
+        }
+    }
+
+    impl AsRef<Vec<u8>> for ByteBuf {
+        fn as_ref(&self) -> &Vec<u8> {
+            &self.bytes
+        }
+    }
+
+    impl AsRef<[u8]> for ByteBuf {
+        fn as_ref(&self) -> &[u8] {
+            &self.bytes
+        }
+    }
+
+    impl AsMut<Vec<u8>> for ByteBuf {
+        fn as_mut(&mut self) -> &mut Vec<u8> {
+            &mut self.bytes
+        }
+    }
+
+    impl AsMut<[u8]> for ByteBuf {
+        fn as_mut(&mut self) -> &mut [u8] {
+            &mut self.bytes
+        }
+    }
+
+    impl ops::Deref for ByteBuf {
+        type Target = [u8];
+
+        fn deref(&self) -> &[u8] {
+            &self.bytes[..]
+        }
+    }
+
+    impl ops::DerefMut for ByteBuf {
+        fn deref_mut(&mut self) -> &mut [u8] {
+            &mut self.bytes[..]
+        }
+    }
+
+    impl Serialize for ByteBuf {
+        #[inline]
+        fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+            where S: Serializer
+        {
+            serializer.serialize_bytes(&self.bytes)
+        }
+    }
+
+    struct ByteBufVisitor;
+
+    impl<'de> Visitor<'de> for ByteBufVisitor {
+        type Value = ByteBuf;
+
+        fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+            formatter.write_str("byte array")
+        }
+
+        #[inline]
+        fn visit_seq<V>(self, mut visitor: V) -> Result<ByteBuf, V::Error>
+            where V: SeqAccess<'de>
+        {
+            let len = cmp::min(visitor.size_hint().unwrap_or(0), 4096);
+            let mut values = Vec::with_capacity(len);
+
+            while let Some(value) = try!(visitor.next_element()) {
+                values.push(value);
+            }
+
+            Ok(ByteBuf::from(values))
+        }
+
+        #[inline]
+        fn visit_bytes<E>(self, v: &[u8]) -> Result<ByteBuf, E>
+            where E: Error
+        {
+            Ok(ByteBuf::from(v))
+        }
+
+        #[inline]
+        fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<ByteBuf, E>
+            where E: Error
+        {
+            Ok(ByteBuf::from(v))
+        }
+
+        #[inline]
+        fn visit_str<E>(self, v: &str) -> Result<ByteBuf, E>
+            where E: Error
+        {
+            Ok(ByteBuf::from(v))
+        }
+
+        #[inline]
+        fn visit_string<E>(self, v: String) -> Result<ByteBuf, E>
+            where E: Error
+        {
+            Ok(ByteBuf::from(v))
+        }
+    }
+
+    impl<'de> Deserialize<'de> for ByteBuf {
+        #[inline]
+        fn deserialize<D>(deserializer: D) -> Result<ByteBuf, D::Error>
+            where D: Deserializer<'de>
+        {
+            deserializer.deserialize_byte_buf(ByteBufVisitor)
+        }
+    }
+}
new file mode 100644
--- /dev/null
+++ b/third_party/rust/serde_bytes/src/value.rs
@@ -0,0 +1,91 @@
+use serde::de::{Deserializer, IntoDeserializer, Visitor, Error};
+
+#[cfg(feature = "std")]
+use std::marker::PhantomData;
+
+#[cfg(not(feature = "std"))]
+use core::marker::PhantomData;
+
+#[cfg(feature = "alloc")]
+use alloc::Vec;
+
+//////////////////////////////////////////////////////////////////////////////
+
+impl<'de, 'a, E> IntoDeserializer<'de, E> for super::Bytes<'a>
+    where E: Error
+{
+    type Deserializer = BytesDeserializer<'a, E>;
+
+    fn into_deserializer(self) -> Self::Deserializer {
+        BytesDeserializer {
+            value: self.into(),
+            error: PhantomData,
+        }
+    }
+}
+
+/// A deserializer that deserializes a `&[u8]`.
+pub struct BytesDeserializer<'a, E> {
+    value: &'a [u8],
+    error: PhantomData<E>,
+}
+
+impl<'de, 'a, E> Deserializer<'de> for BytesDeserializer<'a, E>
+    where E: Error
+{
+    type Error = E;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+        where V: Visitor<'de>
+    {
+        visitor.visit_bytes(self.value)
+    }
+
+    forward_to_deserialize_any! {
+        bool i8 i16 i32 i64 u8 u16 u32 u64 f32 f64 char str string bytes
+        byte_buf option unit unit_struct newtype_struct seq tuple
+        tuple_struct map struct enum identifier ignored_any
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+#[cfg(any(feature = "std", feature = "alloc"))]
+impl<'de, E> IntoDeserializer<'de, E> for super::ByteBuf
+    where E: Error
+{
+    type Deserializer = ByteBufDeserializer<E>;
+
+    fn into_deserializer(self) -> Self::Deserializer {
+        ByteBufDeserializer {
+            value: self.into(),
+            error: PhantomData,
+        }
+    }
+}
+
+/// A deserializer that deserializes a `Vec<u8>`.
+#[cfg(any(feature = "std", feature = "alloc"))]
+pub struct ByteBufDeserializer<E> {
+    value: Vec<u8>,
+    error: PhantomData<E>,
+}
+
+#[cfg(any(feature = "std", feature = "alloc"))]
+impl<'de, E> Deserializer<'de> for ByteBufDeserializer<E>
+    where E: Error
+{
+    type Error = E;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+        where V: Visitor<'de>
+    {
+        visitor.visit_byte_buf(self.value)
+    }
+
+    forward_to_deserialize_any! {
+        bool i8 i16 i32 i64 u8 u16 u32 u64 f32 f64 char str string bytes
+        byte_buf option unit unit_struct newtype_struct seq tuple
+        tuple_struct map struct enum identifier ignored_any
+    }
+}