diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 8ace92c..bce2fd1 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,6 @@
 {
   "git": {
-    "sha1": "cd35e54a4e9c555da87984fa665542e31f04e306"
-  }
-}
+    "sha1": "84ceb76d89f267dcffe2802b336f88b451cdc01f"
+  },
+  "path_in_vcs": ""
+}
\ No newline at end of file
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
new file mode 100644
index 0000000..94b0ed9
--- /dev/null
+++ b/.github/workflows/rust.yml
@@ -0,0 +1,28 @@
+name: Rust
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        rust: [1.40.0, stable, beta, nightly]
+    env:
+      CARGO_INCREMENTAL: 0 # Incremental compilation is slower and bloats the cache
+      RUST_BACKTRACE: 1
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build
+    - name: Run tests
+      run: ./ci.sh
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index fa632ea..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-language: rust
-cache: cargo
-sudo: required
-dist: trusty
-addons:
-  apt:
-    packages:
-    - libcurl4-openssl-dev
-    - libelf-dev
-    - libdw-dev
-    - libssl-dev
-rust:
-- nightly
-- beta
-- stable
-- 1.40.0
-before_script:
-- |
-  export PATH=$HOME/.local/bin:$PATH
-script:
-- ./travis.sh
-after_success: |
-    if [[ "$TRAVIS_RUST_VERSION" == stable ]]; then
-        bash <(curl https://raw.githubusercontent.com/xd009642/tarpaulin/master/travis-install.sh)
-        cargo tarpaulin --run-type Tests --run-type DocTests --ciserver travis-ci --coveralls $TRAVIS_JOB_ID
-    fi
-env:
-  global:
-  - TRAVIS_CARGO_NIGHTLY_FEATURE=""
-  - secure: Z0JCbroitF6pKdImGLcar9UcXDFUoggvEwYsksoGX16/28iBXLmBX6DDWN1brVdasx/i5M5aEy8xbzcV680+HEbbUgz5uLAMp3xQFzu5FJ276PM9ZFZZgb02EJuYz9THfrC9ajlc+CirYF91i/yMZbpBGajmAzp61puRph/CgI8=
-notifications:
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/ee4400ef3d920e51415e
-    on_success: change  # options: [always|never|change] default: always
-    on_failure: always  # options: [always|never|change] default: always
-    on_start: never     # options: [always|never|change] default: always
diff --git a/Android.bp b/Android.bp
index cd451c5..76e19a0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -20,10 +20,11 @@
 
 rust_library {
     name: "libcombine",
+    // has rustc warnings
     host_supported: true,
     crate_name: "combine",
     cargo_env_compat: true,
-    cargo_pkg_version: "4.6.1",
+    cargo_pkg_version: "4.6.3",
     srcs: ["src/lib.rs"],
     edition: "2018",
     features: [
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7005dbb..2fbf5f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,37 @@
+<a name="v4.6.3"></a>
+### v4.6.3 (2022-01-12)
+
+
+#### Bug Fixes
+
+* **easy:**  Only back-quote parser tokens ([08962d1d](https://github.com/Marwes/combine/commit/08962d1d4287c03edb84bd73a9eb09a42f294bc8), closes [#334](https://github.com/Marwes/combine/issues/334))
+
+
+
+<a name="v4.6.3"></a>
+### v4.6.3 (2022-01-12)
+
+
+#### Bug Fixes
+
+* **easy:**  Only back-quote parser tokens ([08962d1d](https://github.com/Marwes/combine/commit/08962d1d4287c03edb84bd73a9eb09a42f294bc8), closes [#334](https://github.com/Marwes/combine/issues/334))
+
+
+
+<a name="v4.6.2"></a>
+### v4.6.2 (2021-10-28)
+
+
+#### Performance
+
+*   Handle restarts better in take_until_byte{,s,2,3} ([03b19498](https://github.com/Marwes/combine/commit/03b19498189c873cdf8195a207a9f5a747ca40b7), closes [#327](https://github.com/Marwes/combine/issues/327))
+
+#### Bug Fixes
+
+*   warning ([08753d3e](https://github.com/Marwes/combine/commit/08753d3ebf072c0765e99bd6f440b52ef93cab40))
+
+
+
 <a name="v4.6.1"></a>
 ### v4.6.1 (2021-08-25)
 
diff --git a/Cargo.lock b/Cargo.lock
index 843b88f..cbeca87 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,18 +4,18 @@
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "async-channel"
-version = "1.5.1"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59740d83946db6a5af71ae25ddf9562c2b176b2ca42cf99a455f09f4a220d6b9"
+checksum = "2114d64672151c0c5eaa5e131ec84a74f06e1e559830dabba01ca30605d66319"
 dependencies = [
  "concurrent-queue",
  "event-listener",
@@ -24,26 +24,29 @@
 
 [[package]]
 name = "async-executor"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb877970c7b440ead138f6321a3b5395d6061183af779340b65e20c0fede9146"
+checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
 dependencies = [
  "async-task",
  "concurrent-queue",
  "fastrand",
  "futures-lite",
  "once_cell",
- "vec-arena",
+ "slab",
 ]
 
 [[package]]
 name = "async-global-executor"
-version = "1.4.3"
+version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73079b49cd26b8fd5a15f68fc7707fc78698dc2a3d61430f2a7a9430230dfa04"
+checksum = "9586ec52317f36de58453159d48351bc244bc24ced3effc1fce22f3d48664af6"
 dependencies = [
+ "async-channel",
  "async-executor",
  "async-io",
+ "async-mutex",
+ "blocking",
  "futures-lite",
  "num_cpus",
  "once_cell",
@@ -51,25 +54,33 @@
 
 [[package]]
 name = "async-io"
-version = "1.3.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9315f8f07556761c3e48fec2e6b276004acf426e6dc068b2c2251854d65ee0fd"
+checksum = "a811e6a479f2439f0c04038796b5cfb3d2ad56c230e0f2d3f7b04d68cfee607b"
 dependencies = [
  "concurrent-queue",
- "fastrand",
  "futures-lite",
  "libc",
  "log",
- "nb-connect",
  "once_cell",
  "parking",
  "polling",
- "vec-arena",
+ "slab",
+ "socket2",
  "waker-fn",
  "winapi 0.3.9",
 ]
 
 [[package]]
+name = "async-lock"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6a8ea61bf9947a1007c5cada31e647dbc77b103c679858150003ba697ea798b"
+dependencies = [
+ "event-listener",
+]
+
+[[package]]
 name = "async-mutex"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -80,15 +91,14 @@
 
 [[package]]
 name = "async-std"
-version = "1.8.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f9f84f1280a2b436a2c77c2582602732b6c2f4321d5494d6e799e6c367859a8"
+checksum = "f8056f1455169ab86dd47b47391e4ab0cbd25410a70e9fe675544f49bafaf952"
 dependencies = [
  "async-channel",
  "async-global-executor",
  "async-io",
- "async-mutex",
- "blocking",
+ "async-lock",
  "crossbeam-utils",
  "futures-channel",
  "futures-core",
@@ -100,34 +110,13 @@
  "memchr",
  "num_cpus",
  "once_cell",
- "pin-project-lite 0.2.0",
+ "pin-project-lite 0.2.7",
  "pin-utils",
  "slab",
  "wasm-bindgen-futures",
 ]
 
 [[package]]
-name = "async-stream"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3670df70cbc01729f901f94c887814b3c68db038aad1329a418bae178bc5295c"
-dependencies = [
- "async-stream-impl",
- "futures-core",
-]
-
-[[package]]
-name = "async-stream-impl"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3548b8efc9f8e8a5a0a2808c5bd8451a9031b9e5b879a79590304ae928b0a70"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
 name = "async-task"
 version = "4.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -158,9 +147,9 @@
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "blocking"
@@ -178,9 +167,9 @@
 
 [[package]]
 name = "bstr"
-version = "0.2.14"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "473fc6b38233f9af7baa94fb5852dca389e3d95b8e21c8e3719301462c5d9faf"
+checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
 dependencies = [
  "lazy_static",
  "memchr",
@@ -190,15 +179,15 @@
 
 [[package]]
 name = "bumpalo"
-version = "3.4.0"
+version = "3.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
+checksum = "8f1e260c3a9040a7c19a12468758f4c16f31a81a1fe087482be9570ec864bb6c"
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
@@ -218,9 +207,9 @@
 
 [[package]]
 name = "bytes"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1f8e949d755f9d79112b5bb46938e0ef9d3804a0b16dfab13aafcaa5f0fa72"
+checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
 [[package]]
 name = "cache-padded"
@@ -230,18 +219,18 @@
 
 [[package]]
 name = "cast"
-version = "0.2.3"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b9434b9a5aa1450faa3f9cb14ea0e8c53bb5d2b3c1bfd1ab4fc03e9f33fbfb0"
+checksum = "4c24dab4283a142afa2fdca129b80ad2c6284e073930f964c3a1293c225ee39a"
 dependencies = [
  "rustc_version",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.66"
+version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+checksum = "79c2681d6594606957bbb8631c4b90a7fcaaa72cdb714743a437b156d6a7eedd"
 
 [[package]]
 name = "cfg-if"
@@ -268,25 +257,25 @@
 
 [[package]]
 name = "combine"
-version = "4.6.1"
+version = "4.6.3"
 dependencies = [
  "async-std",
  "bytes 0.5.6",
- "bytes 1.0.0",
+ "bytes 1.1.0",
  "criterion",
- "futures 0.3.8",
+ "futures 0.3.17",
  "futures-core",
  "futures-io",
  "memchr",
  "once_cell",
  "partial-io",
- "pin-project-lite 0.2.0",
+ "pin-project-lite 0.2.7",
  "quick-error",
  "quickcheck",
  "regex",
- "tokio 0.2.24",
- "tokio 0.3.6",
- "tokio 1.0.0",
+ "tokio 0.2.25",
+ "tokio 0.3.7",
+ "tokio 1.12.0",
  "tokio-util",
 ]
 
@@ -300,16 +289,10 @@
 ]
 
 [[package]]
-name = "const_fn"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd51eab21ab4fd6a3bf889e2d0958c0a6e3a61ad04260325e919e652a2a62826"
-
-[[package]]
 name = "criterion"
-version = "0.3.3"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70daa7ceec6cf143990669a04c7df13391d55fb27bd4079d252fca774ba244d8"
+checksum = "1604dafd25fba2fe2d5895a9da139f8dc9b319a5fe5354ca137cbbce4e178d10"
 dependencies = [
  "atty",
  "cast",
@@ -333,9 +316,9 @@
 
 [[package]]
 name = "criterion-plot"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e022feadec601fba1649cfa83586381a4ad31c6bf3a9ab7d408118b05dd9889d"
+checksum = "d00996de9f2f7559f7f4dc286073197f83e92256a59ed395f9aac01fe717da57"
 dependencies = [
  "cast",
  "itertools",
@@ -343,9 +326,9 @@
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
+checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-utils",
@@ -353,9 +336,9 @@
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
+checksum = "6455c0ca19f0d2fbf751b908d5c55c1f5cbc65e03c4225427254b46890bdde1e"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-epoch",
@@ -364,12 +347,11 @@
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.1"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1aaa739f95311c2c7887a76863f500026092fb1dce0161dab577e559ef3569d"
+checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd"
 dependencies = [
  "cfg-if 1.0.0",
- "const_fn",
  "crossbeam-utils",
  "lazy_static",
  "memoffset",
@@ -378,20 +360,19 @@
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.1"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02d96d1e189ef58269ebe5b97953da3274d83a93af647c2ddd6f9dab28cedb8d"
+checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
 dependencies = [
- "autocfg",
  "cfg-if 1.0.0",
  "lazy_static",
 ]
 
 [[package]]
 name = "csv"
-version = "1.1.5"
+version = "1.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9d58633299b24b515ac72a3f869f8b91306a3cec616a602843a383acd6f9e97"
+checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
 dependencies = [
  "bstr",
  "csv-core",
@@ -410,6 +391,16 @@
 ]
 
 [[package]]
+name = "ctor"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccc0a48a9b826acdf4028595adc9db92caea352f7af011a3034acd172a52a0aa"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -436,9 +427,9 @@
 
 [[package]]
 name = "fastrand"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
+checksum = "b394ed3d285a429378d3b384b9eb1285267e7df4b166df24b7a6939a04dc392e"
 dependencies = [
  "instant",
 ]
@@ -467,15 +458,15 @@
 
 [[package]]
 name = "futures"
-version = "0.1.30"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
+checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "futures"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b3b0c040a1fe6529d30b3c5944b280c7f0dcb2930d2c3062bca967b602583d0"
+checksum = "a12aa0eb539080d55c3f2d45a67c3b58b6b0773c1a3ca2dfec66d58c97fd66ca"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -488,9 +479,9 @@
 
 [[package]]
 name = "futures-channel"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b7109687aa4e177ef6fe84553af6280ef2778bdb7783ba44c9dc3399110fe64"
+checksum = "5da6ba8c3bb3c165d3c7319fc1cc8304facf1fb8db99c5de877183c08a273888"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -498,15 +489,15 @@
 
 [[package]]
 name = "futures-core"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "847ce131b72ffb13b6109a221da9ad97a64cbe48feb1028356b836b47b8f1748"
+checksum = "88d1c26957f23603395cd326b0ffe64124b818f4449552f960d815cfba83a53d"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4caa2b2b68b880003057c1dd49f1ed937e38f22fcf6c212188a121f08cf40a65"
+checksum = "45025be030969d763025784f7f355043dc6bc74093e4ecc5000ca4dc50d8745c"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -515,31 +506,32 @@
 
 [[package]]
 name = "futures-io"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "611834ce18aaa1bd13c4b374f5d653e1027cf99b6b502584ff8c9a64413b30bb"
+checksum = "522de2a0fe3e380f1bc577ba0474108faf3f6b18321dbf60b3b9c39a75073377"
 
 [[package]]
 name = "futures-lite"
-version = "1.11.3"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4481d0cd0de1d204a4fa55e7d45f07b1d958abcb06714b3446438e2eff695fb"
+checksum = "7694489acd39452c77daa48516b894c153f192c3578d5a839b62c58099fcbf48"
 dependencies = [
  "fastrand",
  "futures-core",
  "futures-io",
  "memchr",
  "parking",
- "pin-project-lite 0.2.0",
+ "pin-project-lite 0.2.7",
  "waker-fn",
 ]
 
 [[package]]
 name = "futures-macro"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77408a692f1f97bcc61dc001d752e00643408fbc922e4d634c655df50d595556"
+checksum = "18e4a4b95cea4b4ccbcf1c5675ca7c4ee4e9e75eb79944d07defde18068f79bb"
 dependencies = [
+ "autocfg",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -548,25 +540,23 @@
 
 [[package]]
 name = "futures-sink"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f878195a49cee50e006b02b93cf7e0a95a38ac7b776b4c4d9cc1207cd20fcb3d"
+checksum = "36ea153c13024fe480590b3e3d4cad89a0cfacecc24577b68f86c6ced9c2bc11"
 
 [[package]]
 name = "futures-task"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c554eb5bf48b2426c4771ab68c6b14468b6e76cc90996f528c3338d761a4d0d"
-dependencies = [
- "once_cell",
-]
+checksum = "1d3d00f4eddb73e498a54394f228cd55853bdf059259e8e7bc6e69d408892e99"
 
 [[package]]
 name = "futures-util"
-version = "0.3.8"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d304cff4a7b99cfb7986f7d43fbe93d175e72e704a8860787cc95e9ffd85cbd2"
+checksum = "36568465210a3a6ee45e1f165136d68671471a501e632e9a98d96872222b5481"
 dependencies = [
+ "autocfg",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -574,7 +564,7 @@
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project",
+ "pin-project-lite 0.2.7",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -596,15 +586,15 @@
 
 [[package]]
 name = "half"
-version = "1.6.0"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d36fab90f82edc3c747f9d438e06cf0a491055896f2a279638bb5beed6c40177"
+checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
 dependencies = [
  "libc",
 ]
@@ -620,9 +610,9 @@
 
 [[package]]
 name = "instant"
-version = "0.1.9"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
  "cfg-if 1.0.0",
 ]
@@ -638,24 +628,24 @@
 
 [[package]]
 name = "itertools"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
+checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "itoa"
-version = "0.4.6"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
 
 [[package]]
 name = "js-sys"
-version = "0.3.46"
+version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf3d7383929f7c9c7c2d0fa596f325832df98c3704f2c60553080f7127a58175"
+checksum = "7cc9ffccd38c451a86bf13657df244e9c3f37493cce8e5e21e940963777acc84"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -687,30 +677,31 @@
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "869d572136620d55835903746bcb5cdc54cb2851fd0aeec53220b4bb65ef3013"
 
 [[package]]
 name = "log"
-version = "0.4.11"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
+ "value-bag",
 ]
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "memoffset"
-version = "0.6.1"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
+checksum = "59accc507f1338036a0477ef61afdae33cde60840f4dfe481319ce3ad116ddf9"
 dependencies = [
  "autocfg",
 ]
@@ -747,16 +738,6 @@
 ]
 
 [[package]]
-name = "nb-connect"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8123a81538e457d44b933a02faf885d3fe8408806b23fa700e8f01c6c3a98998"
-dependencies = [
- "libc",
- "winapi 0.3.9",
-]
-
-[[package]]
 name = "net2"
 version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -788,9 +769,9 @@
 
 [[package]]
 name = "once_cell"
-version = "1.5.2"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "oorandom"
@@ -810,42 +791,22 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "682cf88dcd93492e8d17723b7ccc1ae2eeffd1d312ea3533c942aa8af7122a2d"
 dependencies = [
- "futures 0.1.30",
+ "futures 0.1.31",
  "quickcheck",
  "tokio-io",
 ]
 
 [[package]]
-name = "pin-project"
-version = "1.0.2"
+name = "pin-project-lite"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccc2237c2c489783abd8c4c80e5450fc0e98644555b1364da68cc29aa151ca7"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8e8d2bf0b23038a4424865103a4df472855692821aab4e4f5c3312d461d9e5f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
+checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.11"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
-
-[[package]]
-name = "pin-project-lite"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
+checksum = "8d31d11c69a6b52a174b42bdc0c30e5e11670f90788b2c471c31c1d17d449443"
 
 [[package]]
 name = "pin-utils"
@@ -855,26 +816,42 @@
 
 [[package]]
 name = "plotters"
-version = "0.2.15"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d1685fbe7beba33de0330629da9d955ac75bd54f33d7b79f9a895590124f6bb"
+checksum = "32a3fd9ec30b9749ce28cd91f255d569591cdf937fe280c312143e3c4bad6f2a"
 dependencies = [
- "js-sys",
  "num-traits",
+ "plotters-backend",
+ "plotters-svg",
  "wasm-bindgen",
  "web-sys",
 ]
 
 [[package]]
-name = "polling"
-version = "2.0.2"
+name = "plotters-backend"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
+checksum = "d88417318da0eaf0fdcdb51a0ee6c3bed624333bff8f946733049380be67ac1c"
+
+[[package]]
+name = "plotters-svg"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "521fa9638fa597e1dc53e9412a4f9cefb01187ee1f7413076f9e6749e2885ba9"
 dependencies = [
- "cfg-if 0.1.10",
+ "plotters-backend",
+]
+
+[[package]]
+name = "polling"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92341d779fa34ea8437ef4d82d440d5e1ce3f3ff7f824aa64424cd481f9a1f25"
+dependencies = [
+ "cfg-if 1.0.0",
  "libc",
  "log",
- "wepoll-sys",
+ "wepoll-ffi",
  "winapi 0.3.9",
 ]
 
@@ -886,15 +863,15 @@
 
 [[package]]
 name = "proc-macro-nested"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
+checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
 dependencies = [
  "unicode-xid",
 ]
@@ -918,9 +895,9 @@
 
 [[package]]
 name = "quote"
-version = "1.0.8"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
+checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
 dependencies = [
  "proc-macro2",
 ]
@@ -955,9 +932,9 @@
 
 [[package]]
 name = "rayon"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
+checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
 dependencies = [
  "autocfg",
  "crossbeam-deque",
@@ -967,9 +944,9 @@
 
 [[package]]
 name = "rayon-core"
-version = "1.9.0"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
+checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
@@ -989,36 +966,32 @@
 
 [[package]]
 name = "regex"
-version = "1.4.2"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
 name = "regex-automata"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae1ded71d66a4a97f5e961fd0cb25a5f366a42a41570d16a763a69c092c26ae4"
-dependencies = [
- "byteorder",
-]
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.21"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "rustc_version"
-version = "0.2.3"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
  "semver",
 ]
@@ -1046,30 +1019,21 @@
 
 [[package]]
 name = "semver"
-version = "0.9.0"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-dependencies = [
- "semver-parser",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
+checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
 
 [[package]]
 name = "serde_cbor"
-version = "0.11.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e18acfa2f90e8b735b2836ab8d538de304cbb6729a7360729ea5a895d15a622"
+checksum = "2bef2ebfde456fb76bbcf9f59315333decc4fda0b2b44b420243c11e0f5ec1f5"
 dependencies = [
  "half",
  "serde",
@@ -1077,9 +1041,9 @@
 
 [[package]]
 name = "serde_derive"
-version = "1.0.118"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
+checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1088,9 +1052,9 @@
 
 [[package]]
 name = "serde_json"
-version = "1.0.60"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1500e84d27fe482ed1dc791a56eddc2f230046a040fa908c08bda1d9fb615779"
+checksum = "0f690853975602e1bfe1ccbf50504d67174e3bcf340f23b5ea9992e0587a52d8"
 dependencies = [
  "itoa",
  "ryu",
@@ -1099,15 +1063,25 @@
 
 [[package]]
 name = "slab"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
+
+[[package]]
+name = "socket2"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
 
 [[package]]
 name = "syn"
-version = "1.0.55"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a571a711dddd09019ccc628e1b17fe87c59b09d513c06c026877aa708334f37a"
+checksum = "f2afee18b8beb5a596ecb4a2dce128c719b4ba399d34126b9e4396e3f9860966"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1133,19 +1107,10 @@
 ]
 
 [[package]]
-name = "thread_local"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
-dependencies = [
- "lazy_static",
-]
-
-[[package]]
 name = "tinytemplate"
-version = "1.1.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d3dc76004a03cec1c5932bca4cdc2e39aaa798e3f82363dd94f9adf6098c12f"
+checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
 dependencies = [
  "serde",
  "serde_json",
@@ -1153,44 +1118,44 @@
 
 [[package]]
 name = "tokio"
-version = "0.2.24"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "099837d3464c16a808060bb3f02263b412f6fafcb5d01c533d309985fbeebe48"
+checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
 dependencies = [
  "bytes 0.5.6",
  "lazy_static",
  "memchr",
  "mio",
- "pin-project-lite 0.1.11",
+ "pin-project-lite 0.1.12",
  "slab",
  "tokio-macros 0.2.6",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "720ba21c25078711bf456d607987d95bce90f7c3bea5abe1db587862e7a1e87c"
+checksum = "46409491c9375a693ce7032101970a54f8a2010efb77e13f70788f0d84489e39"
 dependencies = [
  "autocfg",
  "num_cpus",
- "pin-project-lite 0.2.0",
+ "pin-project-lite 0.2.7",
  "slab",
  "tokio-macros 0.3.2",
 ]
 
 [[package]]
 name = "tokio"
-version = "1.0.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f4bfdcbd00fa893ac0549b38aa27080636a0104b0d0c38475a99439405e1df8"
+checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
 dependencies = [
  "autocfg",
- "bytes 1.0.0",
+ "bytes 1.1.0",
  "memchr",
  "num_cpus",
- "pin-project-lite 0.2.0",
- "tokio-macros 1.0.0",
+ "pin-project-lite 0.2.7",
+ "tokio-macros 1.5.0",
 ]
 
 [[package]]
@@ -1200,7 +1165,7 @@
 checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes 0.4.12",
- "futures 0.1.30",
+ "futures 0.1.31",
  "log",
 ]
 
@@ -1228,9 +1193,9 @@
 
 [[package]]
 name = "tokio-macros"
-version = "1.0.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42517d2975ca3114b22a16192634e8241dc5cc1f130be194645970cc1c371494"
+checksum = "b2dd85aeaba7b68df939bd357c6afb36c87951be9e80bf9c859f2fc3e9fca0fd"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1238,49 +1203,46 @@
 ]
 
 [[package]]
-name = "tokio-stream"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f3be913b74b13210c8fe04b17ab833f5a124f45b93d0f99f59fff621f64392a"
-dependencies = [
- "async-stream",
- "futures-core",
- "pin-project-lite 0.2.0",
- "tokio 1.0.0",
-]
-
-[[package]]
 name = "tokio-util"
-version = "0.6.0"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36135b7e7da911f5f8b9331209f7fab4cc13498f3fff52f72a710c78187e3148"
+checksum = "08d3725d3efa29485e87311c5b699de63cde14b00ed4d256b8318aa30ca452cd"
 dependencies = [
- "bytes 1.0.0",
+ "bytes 1.1.0",
  "futures-core",
  "futures-sink",
  "log",
- "pin-project-lite 0.2.0",
- "tokio 1.0.0",
- "tokio-stream",
+ "pin-project-lite 0.2.7",
+ "tokio 1.12.0",
 ]
 
 [[package]]
 name = "unicode-width"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
-name = "vec-arena"
-version = "1.0.0"
+name = "value-bag"
+version = "1.0.0-alpha.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eafc1b9b2dfc6f5529177b62cf806484db55b32dc7c9658a118e11bbeb33061d"
+checksum = "79923f7731dc61ebfba3633098bf3ac533bbd35ccd8c57e7088d9a5eebe0263f"
+dependencies = [
+ "ctor",
+ "version_check",
+]
+
+[[package]]
+name = "version_check"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "waker-fn"
@@ -1290,9 +1252,9 @@
 
 [[package]]
 name = "walkdir"
-version = "2.3.1"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
 dependencies = [
  "same-file",
  "winapi 0.3.9",
@@ -1301,9 +1263,9 @@
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cd364751395ca0f68cafb17666eee36b63077fb5ecd972bbcd74c90c4bf736e"
+checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -1311,9 +1273,9 @@
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1114f89ab1f4106e5b55e688b828c0ab0ea593a1ea7c094b141b14cbaaec2d62"
+checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1326,9 +1288,9 @@
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.19"
+version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fe9756085a84584ee9457a002b7cdfe0bfff169f45d2591d8be1345a6780e35"
+checksum = "8e8d7523cb1f2a4c96c1317ca690031b714a51cc14e05f712446691f413f5d39"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -1338,9 +1300,9 @@
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6ac8995ead1f084a8dea1e65f194d0973800c7f571f6edd70adf06ecf77084"
+checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1348,9 +1310,9 @@
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
+checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1361,25 +1323,25 @@
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.69"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e7811dd7f9398f14cc76efd356f98f03aa30419dea46aa810d71e819fc97158"
+checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
 
 [[package]]
 name = "web-sys"
-version = "0.3.46"
+version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "222b1ef9334f92a21d3fb53dc3fd80f30836959a90f9274a626d7e06315ba3c3"
+checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
-name = "wepoll-sys"
-version = "3.0.1"
+name = "wepoll-ffi"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
 dependencies = [
  "cc",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 71df3f5..2613675 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,17 +3,16 @@
 # 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
+# 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)
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
 
 [package]
 edition = "2018"
 name = "combine"
-version = "4.6.1"
+version = "4.6.3"
 authors = ["Markus Westerlind <marwes91@gmail.com>"]
 description = "Fast parser combinators on arbitrary streams with zero-copy support."
 documentation = "https://docs.rs/combine"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index f2517e6..ba58238 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "combine"
-version = "4.6.1"
+version = "4.6.3"
 authors = ["Markus Westerlind <marwes91@gmail.com>"]
 
 description = "Fast parser combinators on arbitrary streams with zero-copy support."
diff --git a/METADATA b/METADATA
index 63cbd25..f507f8f 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/combine/combine-4.6.1.crate"
+    value: "https://static.crates.io/crates/combine/combine-4.6.3.crate"
   }
-  version: "4.6.1"
+  version: "4.6.3"
   license_type: NOTICE
   last_upgrade_date {
-    year: 2021
-    month: 9
-    day: 22
+    year: 2022
+    month: 3
+    day: 1
   }
 }
diff --git a/travis.sh b/ci.sh
similarity index 100%
rename from travis.sh
rename to ci.sh
diff --git a/release.sh b/release.sh
index 6b1e35c..93f45dc 100755
--- a/release.sh
+++ b/release.sh
@@ -6,4 +6,7 @@
     exit 1
 fi
 
-clog --$VERSION && git add CHANGELOG.md && git commit -m "Updated changelog" && cargo release $VERSION
+clog --$VERSION && \
+    git add CHANGELOG.md && \
+    git commit -m "Updated changelog" && \
+    cargo release --execute $VERSION
diff --git a/src/lib.rs b/src/lib.rs
index ab46d81..77e3e23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,7 +25,7 @@
 //! use combine::parser::char::{digit, letter};
 //! const MSG: &'static str = r#"Parse error at line: 1, column: 1
 //! Unexpected `|`
-//! Expected `digit` or `letter`
+//! Expected digit or letter
 //! "#;
 //!
 //! fn main() {
diff --git a/src/parser/byte.rs b/src/parser/byte.rs
index b28d362..c70769d 100644
--- a/src/parser/byte.rs
+++ b/src/parser/byte.rs
@@ -311,6 +311,7 @@
         parser!{
             #[derive(Clone)]
             pub struct $type_name;
+            type PartialState = usize;
             $(#[$attr])*
             pub fn $func_name[Input]($($param : u8),*)(Input) -> Input::Range
                 where [
@@ -389,6 +390,7 @@
 }
 
 parser! {
+type PartialState = usize;
 /// Zero-copy parser which reads a range of 0 or more tokens until `needle` is found.
 ///
 /// If `a`, 'b' or `c` is not found, the parser will return an error.
diff --git a/src/parser/char.rs b/src/parser/char.rs
index b132910..e93b446 100644
--- a/src/parser/char.rs
+++ b/src/parser/char.rs
@@ -271,7 +271,6 @@
 /// # extern crate combine;
 /// # use combine::*;
 /// # use combine::parser::char::string_cmp;
-/// use std::ascii::AsciiExt;
 /// # fn main() {
 /// let result = string_cmp("rust", |l, r| l.eq_ignore_ascii_case(&r))
 ///     .parse("RusT")
diff --git a/src/stream/buf_reader.rs b/src/stream/buf_reader.rs
index 512833d..fa7b928 100644
--- a/src/stream/buf_reader.rs
+++ b/src/stream/buf_reader.rs
@@ -1,12 +1,19 @@
 use std::io::{self, BufRead, Read};
 
 #[cfg(any(
-    features = "futures-03",
+    feature = "futures-03",
     feature = "tokio-02",
     feature = "tokio-03",
     feature = "tokio"
 ))]
-use std::{mem::MaybeUninit, pin::Pin};
+use std::pin::Pin;
+
+#[cfg(any(
+    feature = "futures-03",
+    feature = "tokio-02",
+    feature = "tokio-03"
+))]
+use std::mem::MaybeUninit;
 
 #[cfg(feature = "futures-core-03")]
 use std::task::{Context, Poll};
diff --git a/src/stream/easy.rs b/src/stream/easy.rs
index a0c25f7..0a54182 100644
--- a/src/stream/easy.rs
+++ b/src/stream/easy.rs
@@ -162,8 +162,8 @@
 impl<T: fmt::Display, R: fmt::Display> fmt::Display for Info<T, R> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
-            Info::Token(ref c) => write!(f, "{}", c),
-            Info::Range(ref c) => write!(f, "{}", c),
+            Info::Token(ref c) => write!(f, "`{}`", c),
+            Info::Range(ref c) => write!(f, "`{}`", c),
             Info::Owned(ref s) => write!(f, "{}", s),
             Info::Static(s) => write!(f, "{}", s),
         }
@@ -571,7 +571,7 @@
     /// let m = format!("{}", result.unwrap_err());
     /// let expected = r"Parse error at line: 2, column: 3
     /// Unexpected `,`
-    /// Expected `.`, `a` or `digit`
+    /// Expected `.`, `a` or digit
     /// ";
     /// assert_eq!(m, expected);
     /// # }
@@ -608,7 +608,7 @@
                 // Last expected message to be written
                 _ => " or",
             };
-            write!(f, "{} `{}`", s, message)?;
+            write!(f, "{} {}", s, message)?;
         }
         if expected_count != 0 {
             writeln!(f)?;
@@ -792,8 +792,8 @@
 impl<T: fmt::Display, R: fmt::Display> fmt::Display for Error<T, R> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
-            Error::Unexpected(ref c) => write!(f, "Unexpected `{}`", c),
-            Error::Expected(ref s) => write!(f, "Expected `{}`", s),
+            Error::Unexpected(ref c) => write!(f, "Unexpected {}", c),
+            Error::Expected(ref s) => write!(f, "Expected {}", s),
             Error::Message(ref msg) => msg.fmt(f),
             Error::Other(ref err) => err.fmt(f),
         }