diff --git a/Cargo.lock b/Cargo.lock
index 3ea2d243b..ff10c86a5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -185,7 +185,7 @@ version = "1.1.1"
 source = "git+https://github.com/ethcore/rust-ctrlc.git#f4927770f89eca80ec250911eea3adcbf579ac48"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -194,7 +194,7 @@ name = "daemonize"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -244,7 +244,7 @@ source = "git+https://github.com/ethcore/rust-secp256k1#a9a0b1be1f39560ca86e8fc8
 dependencies = [
  "arrayvec 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -370,7 +370,7 @@ version = "1.4.0"
 dependencies = [
  "crossbeam 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.0 (git+https://github.com/carllerche/mio)",
+ "mio 0.6.1 (git+https://github.com/carllerche/mio)",
  "parking_lot 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -458,9 +458,9 @@ dependencies = [
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "igd 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.0 (git+https://github.com/carllerche/mio)",
+ "mio 0.6.1 (git+https://github.com/carllerche/mio)",
  "parking_lot 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.1.0",
@@ -554,7 +554,7 @@ dependencies = [
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -618,7 +618,7 @@ dependencies = [
  "ethkey 0.2.0",
  "itertools 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -663,7 +663,7 @@ dependencies = [
 name = "fdlimit"
 version = "0.1.0"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -681,7 +681,7 @@ name = "flate2"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -802,7 +802,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -894,7 +894,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -930,7 +930,7 @@ name = "memchr"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -958,7 +958,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -967,7 +967,7 @@ version = "0.5.1"
 source = "git+https://github.com/ethcore/mio?branch=v0.5.x#3842d3b250ffd7bd9b16f9586b875ddcbac2b0dd"
 dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -983,7 +983,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -999,7 +999,7 @@ version = "0.6.0-dev"
 source = "git+https://github.com/ethcore/mio?branch=timer-fix#31eccc40ece3d47abaefaf23bb2114033175b972"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1010,16 +1010,16 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.0"
-source = "git+https://github.com/carllerche/mio#9f17b70d6fecbf912168267ea74cf536f2cba705"
+version = "0.6.1"
+source = "git+https://github.com/carllerche/mio#56f8663510196fdca04bdf7c5f4d60b24297826f"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "nix 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1050,7 +1050,7 @@ name = "nanomsg"
 version = "0.5.1"
 source = "git+https://github.com/ethcore/nanomsg.rs.git#c40fe442c9afaea5b38009a3d992ca044dcceb00"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "nanomsg-sys 0.5.0 (git+https://github.com/ethcore/nanomsg.rs.git)",
 ]
 
@@ -1060,7 +1060,7 @@ version = "0.5.0"
 source = "git+https://github.com/ethcore/nanomsg.rs.git#c40fe442c9afaea5b38009a3d992ca044dcceb00"
 dependencies = [
  "gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1070,7 +1070,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1081,7 +1081,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1091,7 +1091,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "nix"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1181,7 +1194,7 @@ name = "num_cpus"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1246,7 +1259,7 @@ version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1266,7 +1279,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1405,7 +1418,7 @@ name = "rand"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1459,7 +1472,7 @@ name = "rocksdb"
 version = "0.4.5"
 source = "git+https://github.com/ethcore/rust-rocksdb#64c63ccbe1f62c2e2b39262486f9ba813793af58"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb-sys 0.3.0 (git+https://github.com/ethcore/rust-rocksdb)",
 ]
 
@@ -1469,7 +1482,7 @@ version = "0.3.0"
 source = "git+https://github.com/ethcore/rust-rocksdb#64c63ccbe1f62c2e2b39262486f9ba813793af58"
 dependencies = [
  "gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1489,7 +1502,7 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "termios 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1500,7 +1513,7 @@ version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1671,7 +1684,7 @@ name = "syntex_errors"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_pos 0.42.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1693,7 +1706,7 @@ version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1706,7 +1719,7 @@ version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_errors 0.42.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1747,7 +1760,7 @@ name = "termios"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1756,7 +1769,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1773,7 +1786,7 @@ version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2012,7 +2025,7 @@ dependencies = [
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
 "checksum lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "49247ec2a285bb3dcb23cbd9c35193c025e7251bfce77c1d5da97e6362dffe7f"
 "checksum lazycell 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce12306c4739d86ee97c23139f3a34ddf0387bbf181bc7929d287025a8c3ef6b"
-"checksum libc 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)" = "23e3757828fa702a20072c37ff47938e9dd331b92fac6e223d26d4b7a55f7ee2"
+"checksum libc 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)" = "044d1360593a78f5c8e5e710beccdc24ab71d1f01bc19a29bcacdba22e8475d8"
 "checksum linked-hash-map 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bda158e0dabeb97ee8a401f4d17e479d6b891a14de0bba79d5cc2d4d325b5e48"
 "checksum linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d262045c5b87c0861b3f004610afd0e2c851e2908d08b6c870cbb9d5f494ecd"
 "checksum log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ab83497bf8bf4ed2a74259c1c802351fcd67a65baa86394b6ba73c36f4838054"
@@ -2024,8 +2037,8 @@ dependencies = [
 "checksum miniz-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d1f4d337a01c32e1f2122510fed46393d53ca35a7f429cb0450abaedfa3ed54"
 "checksum mio 0.5.1 (git+https://github.com/ethcore/mio?branch=v0.5.x)" = "<none>"
 "checksum mio 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a637d1ca14eacae06296a008fa7ad955347e34efcb5891cfd8ba05491a37907e"
-"checksum mio 0.6.0 (git+https://github.com/carllerche/mio)" = "<none>"
 "checksum mio 0.6.0-dev (git+https://github.com/ethcore/mio?branch=timer-fix)" = "<none>"
+"checksum mio 0.6.1 (git+https://github.com/carllerche/mio)" = "<none>"
 "checksum miow 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d5bfc6782530ac8ace97af10a540054a37126b63b0702ddaaa243b73b5745b9a"
 "checksum msdos_time 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c04b68cc63a8480fb2550343695f7be72effdec953a9d4508161c3e69041c7d8"
 "checksum nanomsg 0.5.1 (git+https://github.com/ethcore/nanomsg.rs.git)" = "<none>"
@@ -2033,6 +2046,7 @@ dependencies = [
 "checksum net2 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)" = "6a816012ca11cb47009693c1e0c6130e26d39e4d97ee2a13c50e868ec83e3204"
 "checksum nix 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f05c2fc965fc1cd6b73fa57fa7b89f288178737f2f3ce9e63e4a6a141189000e"
 "checksum nix 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a7bb1da2be7da3cbffda73fc681d509ffd9e665af478d2bee1907cee0bc64b2"
+"checksum nix 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0d95c5fa8b641c10ad0b8887454ebaafa3c92b5cd5350f8fc693adafd178e7b"
 "checksum nodrop 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4d9a22dbcebdeef7bf275cbf444d6521d4e7a2fee187b72d80dba0817120dd8f"
 "checksum nom 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6caab12c5f97aa316cb249725aa32115118e1522b445e26c257dd77cad5ffd4e"
 "checksum num 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "c04bd954dbf96f76bab6e5bd6cef6f1ce1262d15268ce4f926d2b5b778fa7af2"