diff --git a/cranelift/src/tools/Cargo.lock b/cranelift/src/tools/Cargo.lock
index 50576fd02b..ca97206cc4 100644
--- a/cranelift/src/tools/Cargo.lock
+++ b/cranelift/src/tools/Cargo.lock
@@ -4,14 +4,14 @@ version = "0.0.0"
 dependencies = [
  "cretonne 0.0.0",
  "cretonne-reader 0.0.0",
- "docopt 0.6.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "docopt 0.6.83 (registry+https://github.com/rust-lang/crates.io-index)",
  "filecheck 0.0.0",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aho-corasick"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -30,19 +30,20 @@ dependencies = [
 
 [[package]]
 name = "docopt"
-version = "0.6.80"
+version = "0.6.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 0.1.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.77 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "filecheck"
 version = "0.0.0"
 dependencies = [
- "regex 0.1.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.77 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -50,13 +51,18 @@ name = "kernel32-sys"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "libc"
-version = "0.2.11"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -64,24 +70,24 @@ name = "memchr"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex"
-version = "0.1.71"
+version = "0.1.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.3.3"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -91,7 +97,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "strsim"
-version = "0.3.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -100,7 +106,7 @@ 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 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -118,7 +124,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "winapi"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]