diff --git a/Cargo.lock b/Cargo.lock
index 5fa71be04..13907b3c1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -579,7 +579,7 @@ dependencies = [
  "ethkey 0.2.0",
  "ethstore 0.1.0",
  "evm 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hardware-wallet 1.8.0",
  "hash 0.1.0",
  "hashdb 0.1.0",
@@ -735,7 +735,7 @@ dependencies = [
  "ethcore-network 1.8.0",
  "ethcore-util 1.8.0",
  "evm 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "heapsize 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -820,7 +820,7 @@ dependencies = [
  "ethcore-util 1.8.0",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -852,7 +852,7 @@ dependencies = [
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
  "ethcore-util 1.8.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-macros 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1077,7 +1077,7 @@ dependencies = [
 name = "fetch"
 version = "0.1.0"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1116,7 +1116,7 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.1.16"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1124,7 +1124,7 @@ name = "futures-cpupool"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1366,7 +1366,7 @@ name = "jsonrpc-core"
 version = "7.0.0"
 source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1775,7 +1775,7 @@ dependencies = [
  "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-bigint 0.1.3",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-contract-generator 0.1.0",
 ]
 
@@ -1828,7 +1828,7 @@ dependencies = [
  "ethcore-io 1.8.0",
  "ethcore-network 1.8.0",
  "ethcore-util 1.8.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-contracts 0.1.0",
  "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1838,7 +1838,7 @@ dependencies = [
 name = "node-health"
 version = "0.1.0"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ntp 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2053,7 +2053,7 @@ dependencies = [
  "ethkey 0.2.0",
  "ethsync 1.8.0",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "ipnetwork 0.12.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2105,7 +2105,7 @@ dependencies = [
  "ethcore-devtools 1.8.0",
  "ethcore-util 1.8.0",
  "fetch 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -2154,7 +2154,7 @@ dependencies = [
  "ethcore-bytes 0.1.0",
  "ethcore-util 1.8.0",
  "fetch 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2208,7 +2208,7 @@ dependencies = [
 name = "parity-reactor"
 version = "0.1.0"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2236,7 +2236,7 @@ dependencies = [
  "ethstore 0.1.0",
  "ethsync 1.8.0",
  "fetch 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hardware-wallet 1.8.0",
  "hash 0.1.0",
@@ -2276,7 +2276,7 @@ name = "parity-rpc-client"
 version = "1.4.0"
 dependencies = [
  "ethcore-util 1.8.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-ws-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -2297,7 +2297,7 @@ version = "0.1.5"
 source = "git+https://github.com/nikvolf/parity-tokio-ipc#d6c5b3cfcc913a1b9cf0f0562a10b083ceb9fb7c"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-named-pipes 0.1.4 (git+https://github.com/alexcrichton/mio-named-pipes)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2344,7 +2344,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-util 1.8.0",
  "ethsync 1.8.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-common-types 1.8.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-hash-fetch 1.8.0",
@@ -2374,7 +2374,7 @@ dependencies = [
  "ethcore-network 1.8.0",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-macros 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -2518,7 +2518,7 @@ name = "price-info"
 version = "1.7.0"
 dependencies = [
  "fetch 0.1.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2662,7 +2662,7 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "coco 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2802,7 +2802,7 @@ version = "1.4.0"
 dependencies = [
  "bigint 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-util 1.8.0",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc 1.8.0",
  "parity-rpc-client 1.4.0",
  "rpassword 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3228,7 +3228,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3243,7 +3243,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3253,7 +3253,7 @@ version = "0.1.0"
 source = "git+https://github.com/tomusdrw/tokio-minihttp#67a400060bd29e51beaf206c552845255b6f699f"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.31 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3270,7 +3270,7 @@ version = "0.1.0"
 source = "git+https://github.com/nikvolf/tokio-named-pipes#0b9b728eaeb0a6673c287ac7692be398fd651752"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-named-pipes 0.1.4 (git+https://github.com/alexcrichton/mio-named-pipes)",
  "tokio-core 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3281,7 +3281,7 @@ name = "tokio-proto"
 version = "0.1.0"
 source = "git+https://github.com/tomusdrw/tokio-proto#f6ee08cb594fa2fc1b4178eaaca0855d66e68fd3"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3297,7 +3297,7 @@ name = "tokio-proto"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3314,7 +3314,7 @@ name = "tokio-service"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3322,7 +3322,7 @@ name = "tokio-timer"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3332,7 +3332,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3682,7 +3682,7 @@ dependencies = [
 "checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
 "checksum foreign-types 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3e4056b9bd47f8ac5ba12be771f77a0dae796d1bbaaf5fd0b9c2d38b69b8a29d"
 "checksum fs2 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9ab76cfd2aaa59b7bf6688ad9ba15bbae64bff97f04ea02144cfd3443e5c2866"
-"checksum futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "05a23db7bd162d4e8265968602930c476f688f0c180b44bdaf55e0cb2c687558"
+"checksum futures 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4b63a4792d4f8f686defe3b39b92127fea6344de5d38202b2ee5a11bbbf29d6a"
 "checksum futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "77d49e7de8b91b20d6fda43eea906637eff18b96702eb6b2872df8bfab1ad2b5"
 "checksum gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)" = "5e33ec290da0d127825013597dbdfc28bee4964690c7ce1166cbc2a7bd08b1bb"
 "checksum getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)" = "65922871abd2f101a2eb0eaebadc66668e54a87ad9c3dd82520b5f86ede5eff9"