diff --git a/Cargo.lock b/Cargo.lock
index c2729b4bead..9d3a41d878c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -156,7 +156,7 @@ dependencies = [
  "clap 2.33.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "core-foundation 0.6.4 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "crates-io 0.29.0 (git+/~https://github.com/rust-lang/cargo?rev=8b0561d68f12eeb1d72e07ceef464ebf6032a1bc)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "crypto-hash 0.3.4 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "curl 0.4.24 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "curl-sys 0.4.21 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -339,7 +339,7 @@ name = "crossbeam-channel"
 version = "0.3.9"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -357,7 +357,7 @@ version = "0.6.3"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-epoch 0.7.2 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -366,7 +366,7 @@ version = "0.7.1"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-epoch 0.7.2 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -390,7 +390,7 @@ source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.11 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.9 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.5.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "scopeguard 1.0.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -401,7 +401,7 @@ name = "crossbeam-queue"
 version = "0.1.2"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -414,7 +414,7 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.6"
+version = "0.6.5"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.9 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -1538,7 +1538,7 @@ source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-deque 0.6.3 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.1.2 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1716,7 +1716,7 @@ source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "blake2b_simd 0.5.7 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1739,7 +1739,7 @@ version = "606.0.0"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.9 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "ena 0.13.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.1.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "jobserver 0.1.16 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -2295,7 +2295,7 @@ name = "tokio-executor"
 version = "0.1.8"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+/~https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2354,7 +2354,7 @@ name = "tokio-reactor"
 version = "0.1.9"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -2420,7 +2420,7 @@ source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-deque 0.7.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.1.2 (registry+/~https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -2434,7 +2434,7 @@ name = "tokio-timer"
 version = "0.2.11"
 source = "registry+/~https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+/~https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+/~https://github.com/rust-lang/crates.io-index)",
@@ -2686,7 +2686,7 @@ dependencies = [
 "checksum crossbeam-epoch 0.7.2 (registry+/~https://github.com/rust-lang/crates.io-index)" = "fedcd6772e37f3da2a9af9bf12ebe046c0dfe657992377b4df982a2b54cd37a9"
 "checksum crossbeam-queue 0.1.2 (registry+/~https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
 "checksum crossbeam-utils 0.2.2 (registry+/~https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
-"checksum crossbeam-utils 0.6.6 (registry+/~https://github.com/rust-lang/crates.io-index)" = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+"checksum crossbeam-utils 0.6.5 (registry+/~https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
 "checksum crypto-hash 0.3.4 (registry+/~https://github.com/rust-lang/crates.io-index)" = "8a77162240fd97248d19a564a565eb563a3f592b386e4136fb300909e67dddca"
 "checksum curl 0.4.24 (registry+/~https://github.com/rust-lang/crates.io-index)" = "d08ad3cb89d076a36b0ce5749eec2c9964f70c0c58480ab6b75a91ec4fc206d8"
 "checksum curl-sys 0.4.21 (registry+/~https://github.com/rust-lang/crates.io-index)" = "520594da9914c1dc77ce3be450fc1c74fde67c82966d80f8e93c6d460eb0e9ae"