diff --git a/src/Cargo.lock b/src/Cargo.lock
index 398b23061ea..38897993d43 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -75,7 +75,7 @@ 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 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -88,7 +88,7 @@ dependencies = [
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -99,7 +99,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -135,7 +135,7 @@ dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -200,7 +200,7 @@ dependencies = [
  "ignore 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "jobserver 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -234,7 +234,7 @@ dependencies = [
  "hamcrest 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -302,7 +302,7 @@ dependencies = [
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -341,7 +341,7 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "curl-sys 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "socket2 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -354,7 +354,7 @@ version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -456,7 +456,7 @@ name = "filetime"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -472,7 +472,7 @@ name = "flate2"
 version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz-sys 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -496,7 +496,7 @@ version = "0.4.2"
 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 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -521,7 +521,7 @@ version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -662,7 +662,7 @@ name = "jobserver"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -714,7 +714,7 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.27"
+version = "0.2.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -725,7 +725,7 @@ dependencies = [
  "cmake 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "curl-sys 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libssh2-sys 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -738,7 +738,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cmake 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -750,7 +750,7 @@ version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -771,7 +771,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -801,7 +801,7 @@ name = "memchr"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -809,7 +809,7 @@ name = "memchr"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -818,7 +818,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -843,7 +843,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 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)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -919,7 +919,7 @@ name = "num_cpus"
 version = "1.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -935,7 +935,7 @@ dependencies = [
  "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -950,7 +950,7 @@ version = "0.9.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1072,7 +1072,7 @@ name = "rand"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1604,7 +1604,7 @@ dependencies = [
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1709,7 +1709,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 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)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1828,7 +1828,7 @@ name = "syntex_errors"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_pos 0.52.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1850,7 +1850,7 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex_errors 0.52.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1865,7 +1865,7 @@ version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "xattr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1896,7 +1896,7 @@ version = "0.3.0"
 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 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1931,7 +1931,7 @@ 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 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2120,7 +2120,7 @@ name = "xattr"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2189,7 +2189,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum languageserver-types 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d52e477b23bf52cd3ca0f9fc6c5d14be954eec97e3b9cdfbd962d911bd533caf"
 "checksum lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3b37545ab726dd833ec6420aaba8231c5b320814b9029ad585555d2a03e94fbf"
-"checksum libc 0.2.27 (registry+https://github.com/rust-lang/crates.io-index)" = "719aa0af4c241fa71d396ffdfe584aa758f08f35b4680ec3f03ecc2c3fe69b76"
+"checksum libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)" = "8a014d9226c2cc402676fbe9ea2e15dd5222cd1dd57f576b5b283178c944a264"
 "checksum libgit2-sys 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "df18a822100352d9863b302faf6f8f25c0e77f0e60feb40e5dbe1238b7f13b1d"
 "checksum libssh2-sys 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0db4ec23611747ef772db1c4d650f8bd762f07b461727ec998f953c614024b75"
 "checksum libz-sys 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)" = "3fdd64ef8ee652185674455c1d450b83cbc8ad895625d543b5324d923f82e4d8"