diff --git a/.travis.yml b/.travis.yml
index 6ebe83fdcc..af043b2846 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -90,7 +90,7 @@ install:
   - sudo pip install awscli
   - aws configure set preview.cloudfront true
   - curl https://static.rust-lang.org/rustup.sh |
-    sh -s -- --prefix=$HOME/rust --spec=nightly-2016-05-10 --with-target=$TARGET
+    sh -s -- --prefix=$HOME/rust --spec=nightly --with-target=$TARGET
 
 script:
   - mkdir target
diff --git a/Cargo.lock b/Cargo.lock
index 8f026590e5..019b77f892 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -930,3 +930,103 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[metadata]
+"checksum advapi32-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "307c92332867e586720c0222ee9d890bbe8431711efed8a1b06bc5b40fc66bd7"
+"checksum advapi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e06588080cb19d0acb6739808aafa5f26bfb2ca015b2b6370028b44cf7cb8a9a"
+"checksum aho-corasick 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2b3fb52b09c1710b961acb35390d514be82e4ac96a9969a8e38565a29b878dc9"
+"checksum ansi_term 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c877397e09fec7a240af5fa74ad0124054b8066149d6544cd1ace93f8de3be68"
+"checksum backtrace 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "346d7644f0b5f9bc73082d3b2236b69a05fd35cce0cfa3724e184e6a5c9e2a2f"
+"checksum backtrace-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ff73785ae8e06bb4a7b09e09f06d7434f9748b86d2f67bdf334b603354497e08"
+"checksum base64 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ce110e5c96df1817009271c910626fa4b79c2f178d70f9857d768c3886ba6a0"
+"checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
+"checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
+"checksum clap 2.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6adb6a046b8155874daf331e6cb6f4a3edf3ea3cbc625809eb4077a384124761"
+"checksum cookie 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0e3d6405328b6edb412158b3b7710e2634e23f3614b9bb1c412df7952489a626"
+"checksum core-foundation 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "20a6d0448d3a99d977ae4a2aa5a98d886a923e863e81ad9ff814645b6feb3bbd"
+"checksum core-foundation-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "05eed248dc504a5391c63794fe4fb64f46f071280afaa1b73308f3c0ce4574c5"
+"checksum crypt32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e34988f7e069e0b2f3bfc064295161e489b2d4e04a2e4248fb94360cdf00b4ec"
+"checksum curl 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "26fa2377bacffb278a472dcc2c742577316527d2a8ce588455127c6ff4521846"
+"checksum curl-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "780c1e295903f12cb0598d73703f850615f685eeeb4f2323fbd2911ef337da7e"
+"checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
+"checksum env_proxy 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f190d9208c08f9f0f608d9ba2530620b351d10e4bf2a62ac2292fe63380fbfb7"
+"checksum error-chain 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a8b6b917cc8ec29b15e925bc6faaaea9df5a91967cd0279ed14d11db1beb20db"
+"checksum filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "5363ab8e4139b8568a6237db5248646e5a8a2f89bd5ccb02092182b11fd3e922"
+"checksum flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "3eeb481e957304178d2e782f2da1257f1434dfecbae883bafb61ada2a9fea3bb"
+"checksum gcc 0.3.32 (registry+https://github.com/rust-lang/crates.io-index)" = "dcb000abd6df9df4c637f75190297ebe56c1d7e66b56bbf3b4aa7aece15f61a2"
+"checksum gdi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0912515a8ff24ba900422ecda800b52f4016a56251922d397c576bf92c690518"
+"checksum hpack 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3d2da7d3a34cf6406d9d700111b8eafafe9a251de41ae71d8052748259343b58"
+"checksum httparse 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "46534074dbb80b070d60a5cb8ecadd8963a00a438ae1a95268850a7ef73b67ae"
+"checksum hyper 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)" = "eb27e8a3e8f17ac43ffa41bbda9cf5ad3f9f13ef66fa4873409d4902310275f7"
+"checksum idna 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1053236e00ce4f668aeca4a769a09b3bf5a682d802abd6f3cb39374f6b162c11"
+"checksum itertools 0.4.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ac6e56e7cfd710efcf4c4f614bd101794845d9fe5f406b87ac5108b9153d033f"
+"checksum kernel32-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e014dab1082fd9d80ea1fa6fcb261b47ed3eb511612a14198bb507701add083e"
+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+"checksum ktmw32-sys 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f9313a869ff779ae08dd990b75a92dc06aa16d771f41305f7286649cd39a0ee"
+"checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
+"checksum lazy_static 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "cf186d1a8aa5f5bee5fd662bc9c1b949e0259e1bcc379d1f006847b0080c7417"
+"checksum lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "49247ec2a285bb3dcb23cbd9c35193c025e7251bfce77c1d5da97e6362dffe7f"
+"checksum libc 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "39dfaaa0f4da0f1a06876c5d94329d739ad0150868069cc235f1ddf80a0480e7"
+"checksum libressl-pnacl-sys 2.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "cbc058951ab6a3ef35ca16462d7642c4867e6403520811f28537a4e2f2db3e71"
+"checksum libz-sys 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c9795a8a0498b3abab873f8f063816fcc2e002388e89df87da065628dd5a8ed2"
+"checksum log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ab83497bf8bf4ed2a74259c1c802351fcd67a65baa86394b6ba73c36f4838054"
+"checksum markdown 0.1.2 (git+https://github.com/Diggsey/markdown.rs.git)" = "<none>"
+"checksum matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "15305656809ce5a4805b1ff2946892810992197ce1270ff79baded852187942e"
+"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
+"checksum mime 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf93a79c700c9df8227ec6a4f0f27a8948373c079312bac24549d944cef85f64"
+"checksum miniz-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d1f4d337a01c32e1f2122510fed46393d53ca35a7f429cb0450abaedfa3ed54"
+"checksum native-tls 0.1.0 (git+https://github.com/sfackler/rust-native-tls.git)" = "<none>"
+"checksum num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "cee7e88156f3f9e19bdd598f8d6c9db7bf4078f99f8381f43a55b09648d1a6e3"
+"checksum ole32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5d2c49021782e5233cd243168edfa8037574afed4eba4bbaf538b3d8d1789d8c"
+"checksum openssl 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)" = "c4117b6244aac42ed0150a6019b4d953d28247c5dd6ae6f46ae469b5f2318733"
+"checksum openssl-sys 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)" = "b8ac5e9d911dd4c3202bbf4139b73bc7a1231f7d0a39432c6f893745f0e04120"
+"checksum openssl-sys-extras 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)" = "11c5e1dba7d3d03d80f045bf0d60111dc69213b67651e7c889527a3badabb9fa"
+"checksum openssl-verify 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ed86cce894f6b0ed4572e21eb34026f1dc8869cb9ee3869029131bc8c3feb2d"
+"checksum pipeline 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d15b6607fa632996eb8a17c9041cb6071cb75ac057abd45dece578723ea8c7c0"
+"checksum pkg-config 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8cee804ecc7eaf201a4a207241472cc870e825206f6c031e3ee2a72fa425f2fa"
+"checksum pnacl-build-helper 1.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "61c9231d31aea845007443d62fcbb58bb6949ab9c18081ee1e09920e0cf1118b"
+"checksum rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "2791d88c6defac799c3f20d74f094ca33b9332612d9aef9078519c82e4fe04a5"
+"checksum regex 0.1.73 (registry+https://github.com/rust-lang/crates.io-index)" = "56b7ee9f764ecf412c6e2fff779bca4b22980517ae335a21aeaf4e32625a5df2"
+"checksum regex-syntax 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "31040aad7470ad9d8c46302dcffba337bb4289ca5da2e3cd6e37b64109a85199"
+"checksum ring 0.1.0 (git+https://github.com/ctz/ring)" = "<none>"
+"checksum rustc-demangle 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c4c2d35b2ed94cec4fad26a36eee4d6eff394ce70a8ceea064b0b6ca42ea4cf0"
+"checksum rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6159e4e6e559c81bd706afe9c8fd68f547d3e851ce12e76b1de7914bab61691b"
+"checksum rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "c5f5376ea5e30ce23c03eb77cbe4962b988deead10910c372b226388b594c084"
+"checksum rustls 0.1.0 (git+https://github.com/ctz/rustls.git)" = "<none>"
+"checksum schannel 0.0.2 (git+https://github.com/sfackler/schannel-rs?branch=rewrite)" = "<none>"
+"checksum scopeguard 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "59a076157c1e2dc561d8de585151ee6965d910dd4dcb5dabb7ae3e83981a6c57"
+"checksum secur32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3f412dfa83308d893101dd59c10d6fda8283465976c28c287c5c855bf8d216bc"
+"checksum security-framework 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "cfedce48443fbd8a9be6e152c2840da13f81e792e806b94ba983c55bc5c9afe7"
+"checksum security-framework-sys 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "7bcfb1d5ef7f96a097c58d4766d7395c2b74f9ef6ca1f0dc10d6f84f80817a98"
+"checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
+"checksum sha2 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e0cd9505afe45df2b8bdda585776281c7b29eb9d0e34b1e6dd2b12cba5d4ae1e"
+"checksum shell32-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "72f20b8f3c060374edb8046591ba28f62448c369ccbdc7b02075103fb3a9e38d"
+"checksum solicit 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "172382bac9424588d7840732b250faeeef88942e37b6e35317dce98cafdd75b2"
+"checksum strsim 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d5f575d5ced6634a5c4cb842163dab907dc7e9148b28dc482d81b8855cbe985"
+"checksum tar 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "59a5014d9493d6c2799dff5da5d780c2f159bf368c54f115dbc421d02f1d5496"
+"checksum tempdir 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0b62933a3f96cd559700662c34f8bab881d9e3540289fb4f368419c7f13a5aa9"
+"checksum tempfile 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "9270837a93bad1b1dac18fe67e786b3c960513af86231f6f4f57fddd594ff0c8"
+"checksum term 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3deff8a2b3b6607d6d7cc32ac25c0b33709453ca9cceac006caac51e963cf94a"
+"checksum term_size 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a6a7c9a4de31e5622ec38533988a9e965aab09b26ee8bd7b8b0f56d488c3784d"
+"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
+"checksum thread_local 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "55dd963dbaeadc08aa7266bf7f91c3154a7805e32bb94b820b769d2ef3b4744d"
+"checksum time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)" = "3c7ec6d62a20df54e07ab3b78b9a3932972f4b7981de295563686849eb3989af"
+"checksum toml 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)" = "0590d72182e50e879c4da3b11c6488dae18fccb1ae0c7a3eda18e16795844796"
+"checksum traitobject 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "07eaeb7689bb7fca7ce15628319635758eda769fed481ecfe6686ddef2600616"
+"checksum typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
+"checksum unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "13a5906ca2b98c799f4b1ab4557b76367ebd6ae5ef14930ec841c74aed5f3764"
+"checksum unicode-bidi 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c1f7ceb96afdfeedee42bade65a0d585a6a0106f681b6749c8ff4daa8df30b3f"
+"checksum unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "26643a2f83bac55f1976fb716c10234485f9202dcd65cfbdf9da49867b271172"
+"checksum unicode-width 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2d6722facc10989f63ee0e20a83cd4e1714a9ae11529403ac7e0afd069abc39e"
+"checksum untrusted 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7db5c188172b56840e937612d81bc6859c52f2fb2898d6cba443fb64b5160abd"
+"checksum url 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8ab4ca6f0107350f41a59a51cb0e71a04d905bc6a29181d2cb42fa4f040c65c9"
+"checksum user32-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6717129de5ac253f5642fc78a51d0c7de6f9f53d617fc94e9bae7f6e71cf5504"
+"checksum user32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ef4711d107b21b410a3a974b1204d9accc8b10dad75d8324b5d755de1617d47"
+"checksum userenv-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "71d28ea36bbd9192d75bd9fa9b39f96ddb986eaee824adae5d53b6e51919b2f3"
+"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
+"checksum vec_map 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cac5efe5cb0fa14ec2f84f83c701c562ee63f6dcc680861b21d65c682adfb05f"
+"checksum wait-timeout 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3e8ab44ea5707ff5261a802e8be19697a2e342ecc55409b062c285fc4f624d05"
+"checksum walkdir 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "7ad450634b9022aeb0e8e7f1c79c1ded92d0fc5bee831033d148479771bd218d"
+"checksum webpki 0.1.0 (git+https://github.com/ctz/webpki)" = "<none>"
+"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+"checksum winreg 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e63857fb213f619b4c4fff86b158285c76766aac7e7474967e92fb6dbbfeefe9"
diff --git a/appveyor.yml b/appveyor.yml
index d4dee0c52d..58d7302d6e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,7 +22,7 @@ install:
   - curl -sSf -o rustup-init.exe https://dev-static.rust-lang.org/rustup/dist/i686-pc-windows-gnu/rustup-init.exe
   - rustup-init.exe -y
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - rustup default nightly-2016-05-10-x86_64-pc-windows-msvc
+  - rustup default nightly-x86_64-pc-windows-msvc
 
   # Install the target we're compiling for
   - if NOT "%TARGET%" == "x86_64-pc-windows-msvc" rustup target add %TARGET%