cargo update and add miri as the rustc workspace member.

3 files changed, 123 insertions, 75 deletions

diff --git a/src/Cargo.lock b/src/Cargo.lock
index b329a2b82eb..56a68a7ca54 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -133,8 +133,8 @@ dependencies = [
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -152,8 +152,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "build-manifest"
 version = "0.1.0"
 dependencies = [
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -166,7 +166,7 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.1.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -205,8 +205,8 @@ dependencies = [
  "same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_ignored 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "shell-escape 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -223,8 +223,8 @@ name = "cargo_metadata"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -235,8 +235,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cargo_metadata"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -272,7 +284,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "clap"
-version = "2.28.0"
+version = "2.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -296,8 +308,8 @@ dependencies = [
  "duct 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -316,8 +328,8 @@ dependencies = [
  "quine-mc_cluskey 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -392,6 +404,7 @@ dependencies = [
  "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)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -426,8 +439,8 @@ version = "0.14.0"
 dependencies = [
  "curl 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -555,8 +568,8 @@ 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)",
  "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -816,7 +829,7 @@ dependencies = [
  "pest 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -903,7 +916,7 @@ version = "0.1.0"
 name = "installer"
 version = "0.0.0"
 dependencies = [
- "clap 2.28.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -943,8 +956,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -974,8 +987,8 @@ version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "enum_primitive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1102,7 +1115,7 @@ name = "mdbook"
 version = "0.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "clap 2.28.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "handlebars 0.29.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1111,8 +1124,8 @@ dependencies = [
  "open 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pulldown-cmark 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1163,6 +1176,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "miri"
+version = "0.1.0"
+dependencies = [
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "compiletest_rs 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "multiple_bins"
 version = "0.1.0"
 
@@ -1481,7 +1505,7 @@ name = "racer"
 version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "clap 2.28.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1609,9 +1633,9 @@ dependencies = [
  "rls-rustc 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-span 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rls-vfs 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustfmt-nightly 0.3.2",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustfmt-nightly 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1636,8 +1660,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rls-span 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1660,8 +1684,8 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1677,7 +1701,7 @@ dependencies = [
 name = "rustbook"
 version = "0.1.0"
 dependencies = [
- "clap 2.28.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mdbook 0.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1688,7 +1712,7 @@ dependencies = [
  "arena 0.0.0",
  "backtrace 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "fmt_macros 0.0.0",
  "graphviz 0.0.0",
@@ -1937,7 +1961,7 @@ name = "rustc_mir"
 version = "0.0.0"
 dependencies = [
  "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "graphviz 0.0.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "log_settings 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2133,8 +2157,31 @@ dependencies = [
  "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustfmt-nightly"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cargo_metadata 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive-new 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diff 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2195,7 +2242,7 @@ version = "0.8.0"
 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)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2205,22 +2252,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.24"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.24"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive_internals 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive_internals 0.18.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive_internals"
-version = "0.18.0"
+version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2232,7 +2279,7 @@ name = "serde_ignored"
 version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2243,7 +2290,7 @@ dependencies = [
  "dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2336,7 +2383,7 @@ dependencies = [
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "precomputed-hash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_codegen 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_shared 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2577,7 +2624,7 @@ name = "toml"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2659,7 +2706,7 @@ name = "url_serde"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2781,12 +2828,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
 "checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
 "checksum bufstream 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f2f382711e76b9de6c744cc00d0497baba02fb00a787f088c879f01d09468e32"
-"checksum byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff81738b726f5d099632ceaffe7fb65b90212e8dce59d518729e7e8634032d3d"
+"checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23"
 "checksum cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "be1057b8462184f634c3a208ee35b0f935cfd94b694b26deadccd98732088d7b"
 "checksum cargo_metadata 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1f56ec3e469bca7c276f2eea015aa05c5e381356febdbb0683c2580189604537"
+"checksum cargo_metadata 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "20d6fb2b5574726329c85cdba0df0347fddfec3cf9c8b588f9931708280f5643"
 "checksum cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b13a57efd6b30ecd6598ebdb302cca617930b5470647570468a65d12ef9719"
 "checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
-"checksum clap 2.28.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dc34bf7d5d66268b466b9852bca925ec1d2650654dab4da081e63fd230145c2e"
+"checksum clap 2.29.0 (registry+https://github.com/rust-lang/crates.io-index)" = "110d43e343eb29f4f51c1db31beb879d546db27998577e5715270a54bcf41d3f"
 "checksum cmake 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)" = "56d741ea7a69e577f6d06b36b7dff4738f680593dc27a701ffa8506b73ce28bb"
 "checksum coco 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c06169f5beb7e31c7c67ebf5540b8b472d23e3eade3b2ec7d1f5b504a85f91bd"
 "checksum commoncrypto 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d056a8586ba25a1e4d61cb090900e495952c7886786fc55f909ab2f819b69007"
@@ -2920,6 +2968,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rls-vfs 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ffd34691a510938bb67fe0444fb363103c73ffb31c121d1e16bc92d8945ea8ff"
 "checksum rustc-demangle 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aee45432acc62f7b9a108cc054142dac51f979e69e71ddce7d6fc7adf29e817e"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
+"checksum rustfmt-nightly 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a1fb3fd656e881c3403c318674d25317034d7ffd30dd36dfcf4b7e09f3bf8ebd"
 "checksum same-file 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d931a44fdaa43b8637009e7632a02adc4f2b2e0733c08caa4cf00e8da4a117a7"
 "checksum scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f417c22df063e9450888a7561788e9bd46d3bb3c1466435b4eccb903807f147d"
 "checksum scopeguard 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "59a076157c1e2dc561d8de585151ee6965d910dd4dcb5dabb7ae3e83981a6c57"
@@ -2928,9 +2977,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a3186ec9e65071a2095434b1f5bb24838d4e8e130f584c790f6033c79943537"
 "checksum semver 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bee2bc909ab2d8d60dab26e8cad85b25d795b14603a0dcb627b78b9d30b6454b"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)" = "1c57ab4ec5fa85d08aaf8ed9245899d9bbdd66768945b21113b84d5f595cb6a1"
-"checksum serde_derive 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)" = "02c92ea07b6e49b959c1481804ebc9bfd92d3c459f1274c9a9546829e42a66ce"
-"checksum serde_derive_internals 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75c6aac7b99801a16db5b40b7bf0d7e4ba16e76fbf231e32a4677f271cac0603"
+"checksum serde 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "386122ba68c214599c44587e0c0b411e8d90894503a95425b4f9508e4317901f"
+"checksum serde_derive 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "ec0bfa6c5784e7d110514448da0e1dbad41ea5514c3e68be755b23858b83a399"
+"checksum serde_derive_internals 0.18.1 (registry+https://github.com/rust-lang/crates.io-index)" = "730fe9f29fe8db69a601837f416e46cba07792031ed6b27557a43e49d62d89ae"
 "checksum serde_ignored 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "190e9765dcedb56be63b6e0993a006c7e3b071a016a304736e4a315dc01fb142"
 "checksum serde_json 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7cf5b0b5b4bd22eeecb7e01ac2e1225c7ef5e4272b79ee28a8392a8c8489c839"
 "checksum shared_child 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "099b38928dbe4a0a01fcd8c233183072f14a7d126a34bed05880869be66e14cc"
diff --git a/src/Cargo.toml b/src/Cargo.toml
index abe1fe5a6de..15594a54ef6 100644
--- a/src/Cargo.toml
+++ b/src/Cargo.toml
@@ -20,6 +20,7 @@ members = [
   "tools/rustdoc",
   "tools/rls",
   "tools/rustfmt",
+  "tools/miri",
   # FIXME(https://github.com/rust-lang/cargo/issues/4089): move these to exclude
   "tools/rls/test_data/bin_lib",
   "tools/rls/test_data/borrow_error",
diff --git a/src/tools/miri b/src/tools/miri
-Subproject 2671cf34a58b11f995add8402e75c1cd94ed051
+Subproject 919604e1ead8294c8ca14f101be4380ea1ea370