--- a/testing/geckodriver/Cargo.lock
+++ b/testing/geckodriver/Cargo.lock
@@ -354,17 +354,17 @@ source = "registry+https://github.com/ru
 
 [[package]]
 name = "podio"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
@@ -481,17 +481,17 @@ name = "strsim"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "tempdir"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "term_size"
 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)",
@@ -587,17 +587,17 @@ name = "utf8-ranges"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "uuid"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "version_check"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
@@ -692,17 +692,17 @@ dependencies = [
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 "checksum percent-encoding 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de154f638187706bde41d9b4738748933d64e6b37bdbffc0b47a97d16a6ae356"
 "checksum podio 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e5422a1ee1bc57cc47ae717b0137314258138f38fd5f3cea083f43a9725383a0"
-"checksum rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "61efcbcd9fa8d8fbb07c84e34a8af18a1ff177b449689ad38a6e9457ecc7b2ae"
+"checksum rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6475140dfd8655aeb72e1fd4b7a1cc1c202be65d71669476e392fe62532b9edd"
 "checksum redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)" = "8dde11f18c108289bef24469638a04dce49da56084f2d50618b226e47eb04509"
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 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
 "checksum semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a3186ec9e65071a2095434b1f5bb24838d4e8e130f584c790f6033c79943537"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"

--- a/toolkit/library/gtest/rust/Cargo.lock
+++ b/toolkit/library/gtest/rust/Cargo.lock
@@ -940,17 +940,17 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
 version = "0.2.4"
 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 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
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  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "peeking_take_while"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -978,17 +978,17 @@ dependencies = [
 ]
 
 [[package]]
 name = "phf_generator"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_shared"
 version = "0.7.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "siphasher 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1037,17 +1037,17 @@ dependencies = [
 
 [[package]]
 name = "quote"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.17"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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  "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon"
@@ -1062,17 +1062,17 @@ name = "rayon-core"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "coco 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1389,17 +1389,17 @@ name = "u2fhid"
 version = "0.1.0"
 dependencies = [
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- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
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 ]
 
 [[package]]
 name = "unicode-bidi"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1652,17 +1652,17 @@ dependencies = [
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 "checksum phf_generator 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "6b07ffcc532ccc85e3afc45865469bf5d9e4ef5bfcf9622e3cfe80c2d275ec03"
 "checksum phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "07e24b0ca9643bdecd0632f2b3da6b1b89bbb0030e0b992afc1113b23a7bc2f2"
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--- a/toolkit/library/rust/Cargo.lock
+++ b/toolkit/library/rust/Cargo.lock
@@ -928,17 +928,17 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
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 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "peeking_take_while"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -966,17 +966,17 @@ dependencies = [
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 [[package]]
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 dependencies = [
  "phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_shared"
 version = "0.7.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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@@ -1025,17 +1025,17 @@ dependencies = [
 
 [[package]]
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 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "0.3.17"
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 [[package]]
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@@ -1050,17 +1050,17 @@ name = "rayon-core"
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 dependencies = [
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  "num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "redox_syscall"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1401,17 +1401,17 @@ name = "u2fhid"
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 dependencies = [
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- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1664,17 +1664,17 @@ dependencies = [
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