diff --git a/Cargo.lock b/Cargo.lock
index bb5d5e01f..cfda020b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -898,12 +898,12 @@ dependencies = [
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1061,7 +1061,7 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1830,10 +1830,10 @@ dependencies = [
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2093,7 +2093,7 @@ dependencies = [
  "solana-vote-program 0.13.0",
  "solana-vote-signer 0.13.0",
  "sys-info 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2230,7 +2230,7 @@ dependencies = [
  "solana-logger 0.13.0",
  "solana-metrics 0.13.0",
  "solana-sdk 0.13.0",
- "tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2719,7 +2719,7 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2727,14 +2727,14 @@ dependencies = [
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-current-thread 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-fs 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-sync 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-trace-core 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2753,16 +2753,16 @@ dependencies = [
 
 [[package]]
 name = "tokio-current-thread"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-executor"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2776,7 +2776,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2802,7 +2802,7 @@ dependencies = [
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-sync 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2831,7 +2831,7 @@ dependencies = [
 
 [[package]]
 name = "tokio-threadpool"
-version = "0.1.12"
+version = "0.1.13"
 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)",
@@ -2842,7 +2842,7 @@ dependencies = [
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2853,7 +2853,7 @@ dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3371,16 +3371,16 @@ dependencies = [
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
-"checksum tokio 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "1021bb1f4150435ab8f222eb7ed37c60b2d57037def63ba43085a79f387512d7"
+"checksum tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "65641e515a437b308ab131a82ce3042ff9795bef5d6c5a9be4eb24195c417fd9"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
-"checksum tokio-current-thread 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c756b04680eea21902a46fca4e9f410a2332c04995af590e07ff262e2193a9a3"
-"checksum tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30c6dbf2d1ad1de300b393910e8a3aa272b724a400b6531da03eed99e329fbf0"
+"checksum tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "d16217cad7f1b840c5a97dfb3c43b0c871fef423a6e8d2118c604e843662a443"
+"checksum tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "83ea44c6c0773cc034771693711c35c677b4b5a4b21b9e7071704c54de7d555e"
 "checksum tokio-fs 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "3fe6dc22b08d6993916647d108a1a7d15b9cd29c4f4496c62b92c45b5041b7af"
 "checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
 "checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
 "checksum tokio-sync 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "fda385df506bf7546e70872767f71e81640f1f251bdf2fd8eb81a0eaec5fe022"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
-"checksum tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "742e511f6ce2298aeb86fc9ea0d8df81c2388c6ebae3dc8a7316e8c9df0df801"
+"checksum tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "ec5759cf26cf9659555f36c431b515e3d05f66831741c85b4b5d5dfb9cf1323c"
 "checksum tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2910970404ba6fa78c5539126a9ae2045d62e3713041e447f695f41405a120c6"
 "checksum tokio-trace-core 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "350c9edade9830dc185ae48ba45667a445ab59f6167ef6d0254ec9d2430d9dd3"
 "checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"