diff --git a/Cargo.lock b/Cargo.lock
index 2ecb38851e7bd..83b64a9df1f9c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -266,7 +266,7 @@ dependencies = [
 
 [[package]]
 name = "cargo"
-version = "0.41.0"
+version = "0.42.0"
 dependencies = [
  "atty",
  "bytesize",
@@ -276,7 +276,7 @@ dependencies = [
  "clap",
  "core-foundation",
  "crates-io",
- "crossbeam-utils 0.6.5",
+ "crossbeam-utils 0.7.0",
  "crypto-hash",
  "curl",
  "curl-sys",
@@ -665,7 +665,7 @@ checksum = "e7ca8a5221364ef15ce201e8ed2f609fc312682a8f4e0e3d4aa5879764e0fa3b"
 
 [[package]]
 name = "crates-io"
-version = "0.29.0"
+version = "0.30.0"
 dependencies = [
  "curl",
  "failure",
@@ -782,6 +782,17 @@ dependencies = [
  "lazy_static 1.3.0",
 ]
 
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce446db02cdc3165b94ae73111e570793400d0794e46125cc4056c81cbb039f4"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "lazy_static 1.3.0",
+]
+
 [[package]]
 name = "crypto-hash"
 version = "0.3.1"
diff --git a/src/doc/book b/src/doc/book
index 28fa3d15b0bc6..e79dd62aa6339 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 28fa3d15b0bc67ea5e79eeff2198e4277fc61baf
+Subproject commit e79dd62aa63396714278d484d91d48826737f47f
diff --git a/src/doc/edition-guide b/src/doc/edition-guide
index e58bc4ca104e8..f553fb26c60c4 160000
--- a/src/doc/edition-guide
+++ b/src/doc/edition-guide
@@ -1 +1 @@
-Subproject commit e58bc4ca104e890ac56af846877c874c432a64b5
+Subproject commit f553fb26c60c4623ea88a1cfe731eafe0643ce34
diff --git a/src/doc/nomicon b/src/doc/nomicon
index 5004ad30d69f9..58e36e0e08dec 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 5004ad30d69f93553ceef74439fea2159d1f769e
+Subproject commit 58e36e0e08dec5a379ac568827c058e25990d6cd
diff --git a/src/doc/reference b/src/doc/reference
index 4b21b646669e0..45558c464fb45 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 4b21b646669e0af49fae7cae301898dc4bfaa1f0
+Subproject commit 45558c464fb458affbcdcb34323946da45c8a117
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index f3197ddf2abab..dcee312c66267 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit f3197ddf2abab9abdbc029def8164f4a748b0d91
+Subproject commit dcee312c66267eb5a2f6f1561354003950e29105
diff --git a/src/tools/cargo b/src/tools/cargo
index 5da4b4d479638..8280633db680d 160000
--- a/src/tools/cargo
+++ b/src/tools/cargo
@@ -1 +1 @@
-Subproject commit 5da4b4d47963868d9878480197581ccbbdaece74
+Subproject commit 8280633db680dec5bfe1de25156d1a1d53e6d190