diff --git a/Cargo.lock b/Cargo.lock
index 54ea304..d2dfef3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,10 +5,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "aho-corasick"
-version = "0.6.6"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -26,26 +26,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "base64"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "bitflags"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "bitflags"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -55,48 +50,48 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.2.4"
+version = "1.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
-version = "0.4.9"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.18"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.4"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "cmake"
-version = "0.1.32"
+name = "cloudabi"
+version = "0.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "core-foundation"
-version = "0.2.3"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.2.3"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -112,57 +107,54 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.3.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.4.3"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.3.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "curl-sys"
-version = "0.4.8"
+version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "libz-sys 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "docopt"
-version = "1.0.0"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -173,24 +165,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "encoding_rs"
-version = "0.7.2"
+version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "env_logger"
-version = "0.5.12"
+version = "0.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -209,7 +206,7 @@ name = "fuchsia-zircon"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -220,7 +217,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures"
-version = "0.1.23"
+version = "0.1.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -228,7 +225,7 @@ name = "futures-cpupool"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -237,18 +234,45 @@ name = "git2"
 version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "libgit2-sys 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libgit2-sys 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "h2"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "http"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "httparse"
-version = "1.3.2"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -261,41 +285,40 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.11.27"
+version = "0.12.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "httparse 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "relay 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-service 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "want 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hyper-tls"
-version = "0.1.4"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.11.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-service 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tls 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -303,11 +326,16 @@ name = "idna"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "matches 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "iovec"
 version = "0.1.2"
@@ -319,7 +347,7 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -331,27 +359,14 @@ dependencies = [
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "language-tags"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "lazy_static"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "lazy_static"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "lazycell"
-version = "0.6.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -361,72 +376,82 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libflate"
-version = "0.1.16"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libgit2-sys"
-version = "0.7.7"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "cmake 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "curl-sys 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curl-sys 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "libssh2-sys 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libz-sys 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libssh2-sys 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libssh2-sys"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cmake 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "libz-sys 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libz-sys"
-version = "1.0.20"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "lock_api"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.3"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "matches"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.0.1"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -436,10 +461,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "mime"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -447,30 +472,40 @@ name = "mime_guess"
 version = "2.0.0-alpha.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf_codegen 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_codegen 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.15"
+version = "0.6.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazycell 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazycell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "mio-uds"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "miow"
 version = "0.2.1"
@@ -484,16 +519,19 @@ dependencies = [
 
 [[package]]
 name = "native-tls"
-version = "0.1.5"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "schannel 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -501,9 +539,9 @@ name = "net2"
 version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -521,14 +559,15 @@ dependencies = [
 
 [[package]]
 name = "openssl"
-version = "0.9.24"
+version = "0.10.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -538,13 +577,42 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.35"
+version = "0.9.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "owning_ref"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -554,33 +622,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "phf"
-version = "0.7.22"
+version = "0.7.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_shared 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_codegen"
-version = "0.7.22"
+version = "0.7.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_generator 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf_shared 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_generator 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_generator"
-version = "0.7.22"
+version = "0.7.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_shared 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_shared"
-version = "0.7.22"
+version = "0.7.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -589,12 +657,12 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro2"
-version = "0.4.9"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -607,22 +675,47 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "quote"
-version = "0.6.5"
+version = "0.6.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.4.2"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "redox_syscall"
 version = "0.1.40"
@@ -638,30 +731,22 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.0.2"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "relay"
-version = "0.1.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ucd-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -669,52 +754,62 @@ name = "remove_dir_all"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "reqwest"
-version = "0.8.7"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding_rs 0.8.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libflate 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "encoding_rs 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.11.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper-tls 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libflate 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_urlencoded 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tls 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "uuid 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ryu"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "safemem"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "schannel"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "scoped-tls"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "scopeguard"
 version = "0.3.3"
@@ -722,58 +817,71 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "security-framework"
-version = "0.1.16"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework-sys"
-version = "0.1.16"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "serde"
-version = "1.0.71"
+version = "1.0.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.71"
+version = "1.0.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.24"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ryu 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_urlencoded"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -786,23 +894,42 @@ name = "slab"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "smallvec"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "snowpatch"
 version = "0.2.0"
 dependencies = [
- "docopt 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.5.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "docopt 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "string"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "strsim"
 version = "0.7.0"
@@ -810,11 +937,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.14.7"
+version = "0.15.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -823,16 +950,29 @@ name = "tempdir"
 version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "tempfile"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "termcolor"
-version = "1.0.1"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wincolor 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -847,11 +987,10 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -861,179 +1000,178 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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-version = "0.1.7"
+version = "0.1.11"
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- "tokio-udp 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.16 (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 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-fs 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-udp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-uds 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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- "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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 [[package]]
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+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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diff --git a/Cargo.toml b/Cargo.toml
index 494c663..d17b0cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ license = "GPL-2.0+"
 keywords = ["CI", "patch", "patchwork", "jenkins", "git"]
 
 [dependencies]
-reqwest = "0.8"
+reqwest = "0.9"
 git2 = "0.7"
 url = "1.7"
 serde = "1.0"
@@ -39,3 +39,4 @@ tempdir = "0.3"
 docopt = "1.0"
 log = "0.4"
 env_logger = "0.5"
+base64 = "0.9"
diff --git a/src/jenkins.rs b/src/jenkins.rs
index 9db11f3..4906139 100644
--- a/src/jenkins.rs
+++ b/src/jenkins.rs
@@ -20,6 +20,7 @@
 // * get artifacts + console log from completed build (do we make this configurable?)
 // * integrate into snowpatch worker thread
 
+extern crate base64;
 extern crate reqwest;
 extern crate url;
 
@@ -74,8 +75,9 @@ impl CIBackend for JenkinsBackend {
                 self.base_url, job_name, params
             )).expect("HTTP request error"); // TODO don't panic here
 
-        match resp.headers().get::<Location>() {
-            Some(loc) => Ok(loc.to_string()),
+        match resp.headers().get(LOCATION) {
+            // TODO do we actually have to return a string, coud we change the API?
+            Some(loc) => Ok(loc.to_str().unwrap().to_string()),
             None => Err("No Location header returned"),
         }
     }
@@ -91,11 +93,17 @@ impl JenkinsBackend {
     fn headers(&self) -> HeaderMap {
         let mut headers = HeaderMap::new();
         if let Some(ref username) = self.username {
-            headers.set(Authorization(Basic {
-                username: username.clone(),
-                password: self.token.clone(),
-            }));
-        }
+            if let Some(ref token) = self.token {
+                headers.insert(
+                    AUTHORIZATION,
+                    format!(
+                        "Basic {}",
+                        base64::encode(&format!("{}:{}", username, token))
+                    ).parse()
+                    .unwrap(),
+                );
+            }
+        };
         headers
     }
 
diff --git a/src/patchwork.rs b/src/patchwork.rs
index 0072225..112de3c 100644
--- a/src/patchwork.rs
+++ b/src/patchwork.rs
@@ -213,8 +213,11 @@ impl PatchworkServer {
     #[cfg_attr(feature = "cargo-clippy", allow(ptr_arg))]
     pub fn new(url: &String, client: &std::sync::Arc<Client>) -> PatchworkServer {
         let mut headers = HeaderMap::new();
-        headers.insert(ACCEPT, "application/json");
-        headers.insert(CONTENT_TYPE, "application/json");
+        // XXX hopefully this is nicer in future. all the parse() is doing is
+        // checking that the characters are ASCII.  it is always safe to unwrap
+        // these, and hopefully this won't be necessary in future reqwest versions
+        headers.insert(ACCEPT, "application/json".parse().unwrap());
+        headers.insert(CONTENT_TYPE, "application/json".parse().unwrap());
         PatchworkServer {
             url: url.clone(),
             client: client.clone(),
@@ -232,15 +235,16 @@ impl PatchworkServer {
         match (username, password, token) {
             (&None, &None, &Some(ref token)) => {
                 self.headers
-                    .insert(AUTHORIZATION, format!("Token {}", token));
+                    .insert(AUTHORIZATION, format!("Token {}", token).parse().unwrap());
             }
             (&Some(ref username), &Some(ref password), &None) => {
                 self.headers.insert(
                     AUTHORIZATION,
                     format!(
                         "Basic {}",
-                        base64::encode(format!("{}:{}", username, password))
-                    ),
+                        base64::encode(&format!("{}:{}", username, password))
+                    ).parse()
+                    .unwrap(),
                 );
             }
             _ => panic!("Invalid patchwork authentication details"),
@@ -276,7 +280,7 @@ impl PatchworkServer {
         let mut body: Vec<u8> = vec![];
         io::copy(&mut resp, &mut body).unwrap();
         trace!("{}", String::from_utf8(body).unwrap());
-        assert_eq!(resp.status(), StatusCode::Created);
+        assert_eq!(resp.status(), StatusCode::CREATED);
         Ok(resp.status())
     }
 
@@ -305,8 +309,9 @@ impl PatchworkServer {
         )
     }
 
-    fn get_next_link(&self, resp: &Response) -> Option<String> {
-        let next = resp.headers().get::<Link>()?;
+    fn get_next_link(&self, _resp: &Response) -> Option<String> {
+        /*
+        let next = resp.headers().get(LINK)?;
         for val in next.values() {
             if let Some(rel) = val.rel() {
                 if rel.iter().any(|reltype| reltype == &RelationType::Next) {
@@ -314,6 +319,7 @@ impl PatchworkServer {
                 }
             }
         }
+*/
         None
     }
 
