diff --git a/src/Cargo.lock b/src/Cargo.lock
index 5b44f0ea34e0469a29a05793432d348cc389ec90..1e37237ac9c7208854f807a6bf3bacde72ea6e9d 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -907,10 +907,11 @@ dependencies = [
  "flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tar 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "xz2 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xz2 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2776,7 +2777,7 @@ dependencies = [
 
 [[package]]
 name = "xz2"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lzma-sys 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3005,5 +3006,5 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum wincolor 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a39ee4464208f6430992ff20154216ab2357772ac871d994c51628d60e58b8b0"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum xattr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "5f04de8a1346489a2f9e9bd8526b73d135ec554227b17568456e86aa35b6f3fc"
-"checksum xz2 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e9510bdf100731599107c61f77daf46713a69a568f75458999c1f9dbf6ba25b0"
+"checksum xz2 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "98df591c3504d014dd791d998123ed00a476c7e26dc6b2e873cb55c6ac9e59fa"
 "checksum yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e66366e18dc58b46801afbf2ca7661a9f59cc8c5962c29892b6039b4f86fa992"
diff --git a/src/tools/rust-installer b/src/tools/rust-installer
index 745a020e924c0532b01e8f017ed72820913642ee..b55e0fc77590cf5d23a01dedeb2104d8cbb48efc 160000
--- a/src/tools/rust-installer
+++ b/src/tools/rust-installer
@@ -1 +1 @@
-Subproject commit 745a020e924c0532b01e8f017ed72820913642ee
+Subproject commit b55e0fc77590cf5d23a01dedeb2104d8cbb48efc