From 6a807eb895b2bab29687e5fc2ce3e897c3fd4996 Mon Sep 17 00:00:00 2001
From: onalante-msft <89409054+onalante-msft@users.noreply.github.com>
Date: Thu, 24 Feb 2022 07:07:48 -0800
Subject: [PATCH] [release/1.2] Update tokio, rayon, and crossbeam to latest
 compatible versions (#6136)

crossbeam-utils recently patched an unsoundness bug in `AtomicCell` arithmetic: crossbeam-rs/crossbeam#781. However, this patch was not backported to the older versions required by tokio 0.1 and rayon. This PR updates tokio and rayon to the latest available versions, allowing some dependencies to upgrade to a safe crossbeam version. However, tokio still remains on a vulnerable version, so manual verification with a patched build was still required to determine that are not affected by the bug.

The notary module had to be modified to remove the `tokio-process` dependency due to the latter's reliance on crossbeam-utils 0.6 (through crossbeam-queue). notary now uses `tokio_threadpool::blocking`.

## Azure IoT Edge PR checklist:

This checklist is used to make sure that common guidelines for a pull request are followed.

### General Guidelines and Best Practices
- [x] I have read the [contribution guidelines](https://github.com/azure/iotedge#contributing).
- [x] Title of the pull request is clear and informative.
- [x] Description of the pull request includes a concise summary of the enhancement or bug fix.

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.
- Description of the pull request includes
	- [ ] concise summary of tests added/modified
	- [x] local testing done.
---
 edge-modules/edgehub-proxy/Cargo.lock |  88 ++++-------
 edgelet/Cargo.lock                    | 147 ++++++++-----------
 edgelet/edgelet-docker/Cargo.toml     |   4 +-
 edgelet/edgelet-docker/src/notary.rs  |  50 +++----
 mqtt/Cargo.lock                       |   4 +-
 tools/snitch/Cargo.lock               | 201 ++++++--------------------
 6 files changed, 170 insertions(+), 324 deletions(-)

diff --git a/edge-modules/edgehub-proxy/Cargo.lock b/edge-modules/edgehub-proxy/Cargo.lock
index 0675f19372f..0ae721e60b6 100644
--- a/edge-modules/edgehub-proxy/Cargo.lock
+++ b/edge-modules/edgehub-proxy/Cargo.lock
@@ -212,7 +212,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
 dependencies = [
  "crossbeam-epoch",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
@@ -224,11 +224,11 @@ checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 dependencies = [
  "autocfg",
  "cfg-if 0.1.6",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "lazy_static",
  "maybe-uninit",
  "memoffset 0.5.6",
- "scopeguard 1.1.0",
+ "scopeguard",
 ]
 
 [[package]]
@@ -238,16 +238,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
 dependencies = [
  "cfg-if 0.1.6",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d453a17e8bd2b913fa38e8b9cf04bcdbb5be790aa294f2389661d72036015"
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -692,12 +686,11 @@ checksum = "70fb39025bc7cdd76305867c4eccf2f2dcf6e9a57f5b21a93e1c2d86cd03ec9e"
 
 [[package]]
 name = "lock_api"
-version = "0.1.4"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "775751a3e69bde4df9b38dd00a1b5d6ac13791e4223d4a0506577f0dd27cfb7a"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
 dependencies = [
- "owning_ref",
- "scopeguard 0.3.3",
+ "scopeguard",
 ]
 
 [[package]]
@@ -903,33 +896,27 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "owning_ref"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
-dependencies = [
- "stable_deref_trait",
-]
-
 [[package]]
 name = "parking_lot"
-version = "0.6.4"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0802bff09003b291ba756dc7e79313e51cc31667e94afbe847def490424cde5"
+checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 dependencies = [
  "lock_api",
  "parking_lot_core",
+ "rustc_version",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.3.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad7f7e6ebdc79edff6fdcb87a55b620174f7a989e3eb31b65231f4af57f00b8c"
+checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 dependencies = [
+ "cfg-if 0.1.6",
+ "cloudabi",
  "libc",
- "rand",
+ "redox_syscall",
  "rustc_version",
  "smallvec",
  "winapi 0.3.6",
@@ -1095,12 +1082,6 @@ dependencies = [
  "winapi 0.3.6",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1214,12 +1195,6 @@ dependencies = [
  "maybe-uninit",
 ]
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-
 [[package]]
 name = "string"
 version = "0.1.1"
@@ -1381,9 +1356,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-codec"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
+checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
 dependencies = [
  "bytes",
  "futures",
@@ -1406,7 +1381,7 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures",
 ]
 
@@ -1423,9 +1398,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-io"
-version = "0.1.10"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7392fe0a70d5ce0c882c4778116c519bd5dbaa8a7c3ae3d04578b3afafdcda21"
+checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes",
  "futures",
@@ -1434,11 +1409,11 @@ dependencies = [
 
 [[package]]
 name = "tokio-reactor"
-version = "0.1.6"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b26fd37f1125738b2170c80b551f69ff6fecb277e6e5ca885e53eec2b005018"
+checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
- "crossbeam-utils 0.5.0",
+ "crossbeam-utils",
  "futures",
  "lazy_static",
  "log",
@@ -1448,6 +1423,7 @@ dependencies = [
  "slab",
  "tokio-executor",
  "tokio-io",
+ "tokio-sync",
 ]
 
 [[package]]
@@ -1462,9 +1438,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tcp"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ad235e9dadd126b2d47f6736f65aa1fdcd6420e66ca63f44177bc78df89f912"
+checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
 dependencies = [
  "bytes",
  "futures",
@@ -1482,7 +1458,7 @@ checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
 dependencies = [
  "crossbeam-deque",
  "crossbeam-queue",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures",
  "lazy_static",
  "log",
@@ -1497,7 +1473,7 @@ version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures",
  "slab",
  "tokio-executor",
@@ -1505,9 +1481,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tls"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e53fdbf3156f588be1676022fe794232b24922d426e8c14f4e46891c1e31c440"
+checksum = "354b8cd83825b3c20217a9dc174d6a0c67441a2fae5c41bcb1ea6679f6ae0f7c"
 dependencies = [
  "futures",
  "native-tls",
@@ -1516,9 +1492,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-udp"
-version = "0.1.2"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da941144b816d0dcda4db3a1ba87596e4df5e860a72b70783fe435891f80601c"
+checksum = "e2a0b10e610b39c38b031a2fcab08e4b82f16ece36504988dcbd81dbba650d82"
 dependencies = [
  "bytes",
  "futures",
diff --git a/edgelet/Cargo.lock b/edgelet/Cargo.lock
index 920e41cf65e..da8ccd7bed7 100644
--- a/edgelet/Cargo.lock
+++ b/edgelet/Cargo.lock
@@ -90,7 +90,7 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 [[package]]
 name = "aziot-cert-common-http"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-key-common",
  "serde",
@@ -99,7 +99,7 @@ dependencies = [
 [[package]]
 name = "aziot-certd-config"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "hex 0.4.2",
  "http-common",
@@ -161,7 +161,7 @@ dependencies = [
 [[package]]
 name = "aziot-identity-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-key-common",
  "http-common",
@@ -171,7 +171,7 @@ dependencies = [
 [[package]]
 name = "aziot-identity-common-http"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-cert-common-http",
  "aziot-identity-common",
@@ -184,7 +184,7 @@ dependencies = [
 [[package]]
 name = "aziot-identityd-config"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-identity-common",
  "http-common",
@@ -196,7 +196,7 @@ dependencies = [
 [[package]]
 name = "aziot-key-client"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-key-common",
  "aziot-key-common-http",
@@ -211,7 +211,7 @@ dependencies = [
 [[package]]
 name = "aziot-key-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "serde",
 ]
@@ -219,7 +219,7 @@ dependencies = [
 [[package]]
 name = "aziot-key-common-http"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-key-common",
  "http-common",
@@ -229,7 +229,7 @@ dependencies = [
 [[package]]
 name = "aziot-key-openssl-engine"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "aziot-key-client",
  "aziot-key-common",
@@ -247,7 +247,7 @@ dependencies = [
 [[package]]
 name = "aziot-keyd-config"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "http-common",
  "libc",
@@ -257,7 +257,7 @@ dependencies = [
 [[package]]
 name = "aziot-keys-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "pkcs11",
  "serde",
@@ -267,7 +267,7 @@ dependencies = [
 [[package]]
 name = "aziot-tpmd-config"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "http-common",
  "serde",
@@ -276,7 +276,7 @@ dependencies = [
 [[package]]
 name = "aziotctl-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "anyhow",
  "aziot-certd-config",
@@ -502,7 +502,7 @@ dependencies = [
 [[package]]
 name = "config-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "serde",
  "toml",
@@ -541,12 +541,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa"
 dependencies = [
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
+ "cfg-if 1.0.0",
+ "crossbeam-utils 0.8.7",
 ]
 
 [[package]]
@@ -555,11 +555,22 @@ version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
 dependencies = [
- "crossbeam-epoch",
+ "crossbeam-epoch 0.8.2",
  "crossbeam-utils 0.7.2",
  "maybe-uninit",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6455c0ca19f0d2fbf751b908d5c55c1f5cbc65e03c4225427254b46890bdde1e"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crossbeam-epoch 0.9.7",
+ "crossbeam-utils 0.8.7",
+]
+
 [[package]]
 name = "crossbeam-epoch"
 version = "0.8.2"
@@ -576,12 +587,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "crossbeam-queue"
-version = "0.1.2"
+name = "crossbeam-epoch"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
+checksum = "c00d6d2ea26e8b151d99093005cb442fb9a37aeaca582a03ec70946f49ab5ed9"
 dependencies = [
- "crossbeam-utils 0.6.6",
+ "cfg-if 1.0.0",
+ "crossbeam-utils 0.8.7",
+ "lazy_static",
+ "memoffset 0.6.5",
+ "scopeguard",
 ]
 
 [[package]]
@@ -597,22 +612,22 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.6"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
+ "autocfg",
  "cfg-if 0.1.10",
  "lazy_static",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "b5e5bed1f1c269533fa816a0a5492b3545209a205ca1a54842be180eb63a16a6"
 dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "lazy_static",
 ]
 
@@ -742,7 +757,7 @@ dependencies = [
  "tempfile",
  "time",
  "tokio",
- "tokio-process",
+ "tokio-threadpool",
  "typed-headers",
  "url 2.1.1",
  "url_serde",
@@ -1142,7 +1157,7 @@ dependencies = [
 [[package]]
 name = "http-common"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "async-trait",
  "base64 0.13.0",
@@ -1526,24 +1541,12 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.2",
+ "miow",
  "net2",
  "slab",
  "winapi 0.2.8",
 ]
 
-[[package]]
-name = "mio-named-pipes"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0840c1c50fd55e521b247f949c241c9997709f23bd7f023b9762cd561e935656"
-dependencies = [
- "log",
- "mio",
- "miow 0.3.7",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "mio-uds"
 version = "0.6.8"
@@ -1567,15 +1570,6 @@ dependencies = [
  "ws2_32-sys",
 ]
 
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "native-tls"
 version = "0.2.4"
@@ -1701,7 +1695,7 @@ dependencies = [
 [[package]]
 name = "openssl-build"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "cc",
 ]
@@ -1738,7 +1732,7 @@ dependencies = [
 [[package]]
 name = "openssl-sys2"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "openssl-build",
  "openssl-sys",
@@ -1747,7 +1741,7 @@ dependencies = [
 [[package]]
 name = "openssl2"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "foreign-types",
  "foreign-types-shared",
@@ -1810,7 +1804,7 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 [[package]]
 name = "pkcs11"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 dependencies = [
  "foreign-types-shared",
  "lazy_static",
@@ -1827,7 +1821,7 @@ dependencies = [
 [[package]]
 name = "pkcs11-sys"
 version = "0.1.0"
-source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#0181b9d153e721e5a1a8665a671a8f765df7fca2"
+source = "git+https://github.com/Azure/iot-identity-service?branch=release/1.2#f1775832441b80c4e0201448eef510a7e4ab2166"
 
 [[package]]
 name = "pkg-config"
@@ -1961,25 +1955,25 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.4.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfd016f0c045ad38b5251be2c9c0ab806917f82da4d36b2a327e5166adad9270"
+checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
 dependencies = [
  "autocfg",
- "crossbeam-deque",
+ "crossbeam-deque 0.8.1",
  "either",
  "rayon-core",
 ]
 
 [[package]]
 name = "rayon-core"
-version = "1.8.0"
+version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91739a34c4355b5434ce54c9086c5895604a9c278586d1f1aa95e04f66b525a0"
+checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
 dependencies = [
  "crossbeam-channel",
- "crossbeam-deque",
- "crossbeam-utils 0.7.2",
+ "crossbeam-deque 0.8.1",
+ "crossbeam-utils 0.8.7",
  "lazy_static",
  "num_cpus",
 ]
@@ -2497,25 +2491,6 @@ dependencies = [
  "log",
 ]
 
-[[package]]
-name = "tokio-process"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "382d90f43fa31caebe5d3bc6cfd854963394fff3b8cb59d5146607aaae7e7e43"
-dependencies = [
- "crossbeam-queue 0.1.2",
- "futures",
- "lazy_static",
- "libc",
- "log",
- "mio",
- "mio-named-pipes",
- "tokio-io",
- "tokio-reactor",
- "tokio-signal",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "tokio-reactor"
 version = "0.1.12"
@@ -2582,8 +2557,8 @@ version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
 dependencies = [
- "crossbeam-deque",
- "crossbeam-queue 0.2.3",
+ "crossbeam-deque 0.7.4",
+ "crossbeam-queue",
  "crossbeam-utils 0.7.2",
  "futures",
  "lazy_static",
diff --git a/edgelet/edgelet-docker/Cargo.toml b/edgelet/edgelet-docker/Cargo.toml
index 11395c92c9a..da4b3524a5e 100644
--- a/edgelet/edgelet-docker/Cargo.toml
+++ b/edgelet/edgelet-docker/Cargo.toml
@@ -17,8 +17,8 @@ serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
 sysinfo = "0.14.10"
-tokio = "0.1.11"
-tokio-process = "0.2"
+tokio = "0.1"
+tokio-threadpool = "0.1"
 url = { version = "2", features = ["serde"] }
 url_serde = "0.2"
 
diff --git a/edgelet/edgelet-docker/src/notary.rs b/edgelet/edgelet-docker/src/notary.rs
index 994bb8a8919..8e5c572c911 100644
--- a/edgelet/edgelet-docker/src/notary.rs
+++ b/edgelet/edgelet-docker/src/notary.rs
@@ -10,7 +10,6 @@ use failure::ResultExt;
 use futures::Future;
 use log::debug;
 use serde_json::json;
-use tokio_process::CommandExt;
 
 use crate::{Error, ErrorKind};
 
@@ -169,33 +168,34 @@ pub fn notary_lookup(
     Error = Error,
 > {
     let mut notary_cmd = Command::new("notary");
+
+    notary_cmd
+        .args(&["lookup", image_gun, tag, "-c"])
+        .arg(config_path);
+
     if let Some(notary_auth) = notary_auth {
         notary_cmd.env("NOTARY_AUTH", notary_auth);
     }
-    notary_cmd
-        .arg("lookup")
-        .args(&[image_gun, tag])
-        .arg("-c")
-        .arg(config_path)
-        .output_async()
-        .then(|notary_output| {
-            let notary_output = notary_output.with_context(|_| {
-                ErrorKind::LaunchNotary("could not spawn notary process".to_owned())
+
+    futures::future::poll_fn(move || {
+        tokio_threadpool::blocking(|| {
+            let std::process::Output { stdout, .. } = notary_cmd.output().with_context(|e| {
+                ErrorKind::LaunchNotary(format!("could not spawn notary process: {}", e))
             })?;
-            let notary_output_string =
-                String::from_utf8(notary_output.stdout).with_context(|_| {
-                    ErrorKind::LaunchNotary("could not retrieve notary output as string".to_owned())
-                })?;
-            debug!("Notary output string is {}", notary_output_string);
-            let split_array: Vec<&str> = notary_output_string.split_whitespace().collect();
-            if split_array.len() < 2 {
-                return Err(ErrorKind::LaunchNotary(
-                    "notary digest split array is empty".to_owned(),
-                )
-                .into());
-            }
-
-            // Notary Server output on lookup is of the format [tag, digest, bytes]
-            Ok((split_array[1].to_string(), lock))
+            let output_str = std::str::from_utf8(&stdout)
+                .with_context(|_| ErrorKind::LaunchNotary("received invalid utf8".to_owned()))?;
+            debug!("Notary output string is {}", output_str);
+
+            output_str
+                .split_whitespace()
+                .nth(2)
+                .map(ToOwned::to_owned)
+                .ok_or_else(|| {
+                    ErrorKind::LaunchNotary("notary digest split array is empty".to_owned()).into()
+                })
         })
+    })
+    .map_err(|e| ErrorKind::LaunchNotary(format!("should run in thread pool: {}", e)))
+    .flatten()
+    .map(|output| (output, lock))
 }
diff --git a/mqtt/Cargo.lock b/mqtt/Cargo.lock
index a4ad911be68..d255eb31cef 100644
--- a/mqtt/Cargo.lock
+++ b/mqtt/Cargo.lock
@@ -376,9 +376,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "b5e5bed1f1c269533fa816a0a5492b3545209a205ca1a54842be180eb63a16a6"
 dependencies = [
  "cfg-if 1.0.0",
  "lazy_static",
diff --git a/tools/snitch/Cargo.lock b/tools/snitch/Cargo.lock
index 82285e530ed..c1adfce50c5 100644
--- a/tools/snitch/Cargo.lock
+++ b/tools/snitch/Cargo.lock
@@ -405,7 +405,7 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
@@ -416,7 +416,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
 dependencies = [
  "crossbeam-epoch",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
@@ -428,20 +428,11 @@ checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 dependencies = [
  "autocfg 1.0.1",
  "cfg-if 0.1.10",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "lazy_static",
  "maybe-uninit",
  "memoffset 0.5.6",
- "scopeguard 1.1.0",
-]
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
-dependencies = [
- "crossbeam-utils 0.6.5",
+ "scopeguard",
 ]
 
 [[package]]
@@ -451,20 +442,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
 dependencies = [
  "cfg-if 0.1.10",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
-dependencies = [
- "cfg-if 0.1.10",
- "lazy_static",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -579,7 +560,6 @@ dependencies = [
  "serde_json",
  "sysinfo",
  "tokio",
- "tokio-process",
  "url 2.2.2",
  "url_serde",
 ]
@@ -1205,12 +1185,11 @@ checksum = "ae91b68aebc4ddb91978b11a1b02ddd8602a05ec19002801c5666000e05e0f83"
 
 [[package]]
 name = "lock_api"
-version = "0.1.5"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
 dependencies = [
- "owning_ref",
- "scopeguard 0.3.3",
+ "scopeguard",
 ]
 
 [[package]]
@@ -1317,24 +1296,12 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.2",
+ "miow",
  "net2",
  "slab",
  "winapi 0.2.8",
 ]
 
-[[package]]
-name = "mio-named-pipes"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5e374eff525ce1c5b7687c4cef63943e7686524a387933ad27ca7ec43779cb3"
-dependencies = [
- "log",
- "mio",
- "miow 0.3.7",
- "winapi 0.3.7",
-]
-
 [[package]]
 name = "mio-uds"
 version = "0.6.7"
@@ -1356,7 +1323,7 @@ dependencies = [
  "lazycell",
  "log",
  "mio",
- "miow 0.2.2",
+ "miow",
  "winapi 0.2.8",
  "ws2_32-sys",
 ]
@@ -1373,15 +1340,6 @@ dependencies = [
  "ws2_32-sys",
 ]
 
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi 0.3.7",
-]
-
 [[package]]
 name = "native-tls"
 version = "0.2.3"
@@ -1516,33 +1474,27 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "owning_ref"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
-dependencies = [
- "stable_deref_trait",
-]
-
 [[package]]
 name = "parking_lot"
-version = "0.7.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
+checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 dependencies = [
  "lock_api",
  "parking_lot_core",
+ "rustc_version",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.4.0"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
+checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 dependencies = [
+ "cfg-if 0.1.10",
+ "cloudabi",
  "libc",
- "rand 0.6.5",
+ "redox_syscall",
  "rustc_version",
  "smallvec",
  "winapi 0.3.7",
@@ -1853,7 +1805,7 @@ checksum = "e8c4fec834fb6e6d2dd5eece3c7b432a52f0ba887cf40e595190c4107edc08bf"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "lazy_static",
  "num_cpus",
 ]
@@ -1979,12 +1931,6 @@ dependencies = [
  "winapi 0.3.7",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -2116,15 +2062,6 @@ dependencies = [
  "fake-simd",
 ]
 
-[[package]]
-name = "signal-hook-registry"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -2179,12 +2116,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
-
 [[package]]
 name = "string"
 version = "0.2.1"
@@ -2388,9 +2319,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-codec"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
+checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
 dependencies = [
  "bytes 0.4.12",
  "futures",
@@ -2399,9 +2330,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-current-thread"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d16217cad7f1b840c5a97dfb3c43b0c871fef423a6e8d2118c604e843662a443"
+checksum = "b1de0e32a83f131e002238d7ccde18211c0a5397f60cbfffcb112868c2e0e20e"
 dependencies = [
  "futures",
  "tokio-executor",
@@ -2409,19 +2340,19 @@ dependencies = [
 
 [[package]]
 name = "tokio-executor"
-version = "0.1.8"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f27ee0e6db01c5f0b2973824547ce7e637b2ed79b891a9677b0de9bd532b6ac"
+checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
- "crossbeam-utils 0.6.5",
+ "crossbeam-utils",
  "futures",
 ]
 
 [[package]]
 name = "tokio-fs"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fe6dc22b08d6993916647d108a1a7d15b9cd29c4f4496c62b92c45b5041b7af"
+checksum = "297a1206e0ca6302a0eed35b700d292b275256f596e2f3fea7729d5e629b6ff4"
 dependencies = [
  "futures",
  "tokio-io",
@@ -2430,41 +2361,22 @@ dependencies = [
 
 [[package]]
 name = "tokio-io"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
+checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes 0.4.12",
  "futures",
  "log",
 ]
 
-[[package]]
-name = "tokio-process"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "382d90f43fa31caebe5d3bc6cfd854963394fff3b8cb59d5146607aaae7e7e43"
-dependencies = [
- "crossbeam-queue 0.1.2",
- "futures",
- "lazy_static",
- "libc",
- "log",
- "mio",
- "mio-named-pipes",
- "tokio-io",
- "tokio-reactor",
- "tokio-signal",
- "winapi 0.3.7",
-]
-
 [[package]]
 name = "tokio-reactor"
-version = "0.1.9"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
+checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
- "crossbeam-utils 0.6.5",
+ "crossbeam-utils",
  "futures",
  "lazy_static",
  "log",
@@ -2479,9 +2391,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1600e90b2602df28ff54ae842519b408fbb25378c3c5aee1b795593e9263dc80"
+checksum = "95a199832a67452c60bed18ed951d28d5755ff57b02b3d2d535d9f13a81ea6c9"
 dependencies = [
  "futures",
  "rustls",
@@ -2489,28 +2401,11 @@ dependencies = [
  "webpki",
 ]
 
-[[package]]
-name = "tokio-signal"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0c34c6e548f101053321cba3da7cbb87a610b85555884c41b07da2eb91aff12"
-dependencies = [
- "futures",
- "libc",
- "mio",
- "mio-uds",
- "signal-hook-registry",
- "tokio-executor",
- "tokio-io",
- "tokio-reactor",
- "winapi 0.3.7",
-]
-
 [[package]]
 name = "tokio-sync"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2162248ff317e2bc713b261f242b69dbb838b85248ed20bb21df56d60ea4cae7"
+checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
 dependencies = [
  "fnv",
  "futures",
@@ -2518,9 +2413,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tcp"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
+checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
 dependencies = [
  "bytes 0.4.12",
  "futures",
@@ -2537,8 +2432,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
 dependencies = [
  "crossbeam-deque",
- "crossbeam-queue 0.2.3",
- "crossbeam-utils 0.7.2",
+ "crossbeam-queue",
+ "crossbeam-utils",
  "futures",
  "lazy_static",
  "log",
@@ -2549,11 +2444,11 @@ dependencies = [
 
 [[package]]
 name = "tokio-timer"
-version = "0.2.11"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2106812d500ed25a4f38235b9cae8f78a09edf43203e16e59c3b769a342a60e"
+checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
- "crossbeam-utils 0.6.5",
+ "crossbeam-utils",
  "futures",
  "slab",
  "tokio-executor",
@@ -2572,9 +2467,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-udp"
-version = "0.1.3"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
+checksum = "e2a0b10e610b39c38b031a2fcab08e4b82f16ece36504988dcbd81dbba650d82"
 dependencies = [
  "bytes 0.4.12",
  "futures",
@@ -2587,9 +2482,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-uds"
-version = "0.2.5"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
+checksum = "ab57a4ac4111c8c9dbcf70779f6fc8bc35ae4b2454809febac840ad19bd7e4e0"
 dependencies = [
  "bytes 0.4.12",
  "futures",