Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

43 files changed, 112 insertions, 223 deletions

diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.lock
index 0a2f222c2..edc20385b 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -8,9 +10,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "getrandom"
-version = "0.2.2"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
 dependencies = [
  "cfg-if",
  "libc",
@@ -26,33 +28,32 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.86"
+version = "0.2.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
+checksum = "505e71a4706fa491e9b1b55f51b95d4037d0821ee40131190475f692b35b009b"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.10"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -60,24 +61,15 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt
index 62fe8327f..fbc0cec33 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-04/output.txt
@@ -5,7 +5,7 @@ $ cargo build
    Compiling ppv-lite86 v0.2.10
    Compiling rand_core v0.6.2
    Compiling rand_chacha v0.3.0
-   Compiling rand v0.8.3
+   Compiling rand v0.8.5
    Compiling guessing_game v0.1.0 (file:///projects/guessing_game)
 error[E0308]: mismatched types
   --> src/main.rs:22:21
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-05/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/listing-02-06/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.lock
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.toml
+++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-05-quitting/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-07-numeric-operations/src/main.rs b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-07-numeric-operations/src/main.rs
index 9d3b4813b..77c716c14 100644
--- a/src/doc/book/listings/ch03-common-programming-concepts/no-listing-07-numeric-operations/src/main.rs
+++ b/src/doc/book/listings/ch03-common-programming-concepts/no-listing-07-numeric-operations/src/main.rs
@@ -10,7 +10,7 @@ fn main() {
 
     // division
     let quotient = 56.7 / 32.2;
-    let floored = 2 / 3; // Results in 0
+    let truncated = -5 / 3; // Results in -1
 
     // remainder
     let remainder = 43 % 5;
diff --git a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.lock b/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.lock
+++ b/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.toml b/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.toml
index 15b3fffca..d508e9578 100644
--- a/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.toml
+++ b/src/doc/book/listings/ch07-managing-growing-projects/listing-07-18/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.lock b/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.lock
+++ b/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.toml b/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.toml
index cc63f6f02..7eda67aea 100644
--- a/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.toml
+++ b/src/doc/book/listings/ch07-managing-growing-projects/no-listing-01-use-std-unnested/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-04/src/main.rs b/src/doc/book/listings/ch08-common-collections/listing-08-04/src/main.rs
index fa4e090d5..fca332de6 100644
--- a/src/doc/book/listings/ch08-common-collections/listing-08-04/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/listing-08-04/src/main.rs
@@ -3,11 +3,11 @@ fn main() {
     let v = vec![1, 2, 3, 4, 5];
 
     let third: &i32 = &v[2];
-    println!("The third element is {}", third);
+    println!("The third element is {third}");
 
     let third: Option<&i32> = v.get(2);
     match third {
-        Some(third) => println!("The third element is {}", third),
+        Some(third) => println!("The third element is {third}"),
         None => println!("There is no third element."),
     }
     // ANCHOR_END: here
diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs b/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs
index 1b42274a6..653ac27b0 100644
--- a/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/listing-08-06/src/main.rs
@@ -6,6 +6,6 @@ fn main() {
 
     v.push(6);
 
-    println!("The first element is: {}", first);
+    println!("The first element is: {first}");
     // ANCHOR_END: here
 }
diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-07/src/main.rs b/src/doc/book/listings/ch08-common-collections/listing-08-07/src/main.rs
index 38b97784b..aebf855a9 100644
--- a/src/doc/book/listings/ch08-common-collections/listing-08-07/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/listing-08-07/src/main.rs
@@ -2,7 +2,7 @@ fn main() {
     // ANCHOR: here
     let v = vec![100, 32, 57];
     for i in &v {
-        println!("{}", i);
+        println!("{i}");
     }
     // ANCHOR_END: here
 }
diff --git a/src/doc/book/listings/ch08-common-collections/listing-08-16/src/main.rs b/src/doc/book/listings/ch08-common-collections/listing-08-16/src/main.rs
index 8938dc143..db57cddba 100644
--- a/src/doc/book/listings/ch08-common-collections/listing-08-16/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/listing-08-16/src/main.rs
@@ -3,6 +3,6 @@ fn main() {
     let mut s1 = String::from("foo");
     let s2 = "bar";
     s1.push_str(s2);
-    println!("s2 is {}", s2);
+    println!("s2 is {s2}");
     // ANCHOR_END: here
 }
diff --git a/src/doc/book/listings/ch08-common-collections/no-listing-02-format/src/main.rs b/src/doc/book/listings/ch08-common-collections/no-listing-02-format/src/main.rs
index 4a38e63d2..db408e2b7 100644
--- a/src/doc/book/listings/ch08-common-collections/no-listing-02-format/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/no-listing-02-format/src/main.rs
@@ -4,6 +4,6 @@ fn main() {
     let s2 = String::from("tac");
     let s3 = String::from("toe");
 
-    let s = format!("{}-{}-{}", s1, s2, s3);
+    let s = format!("{s1}-{s2}-{s3}");
     // ANCHOR_END: here
 }
diff --git a/src/doc/book/listings/ch08-common-collections/no-listing-03-iterate-over-hashmap/src/main.rs b/src/doc/book/listings/ch08-common-collections/no-listing-03-iterate-over-hashmap/src/main.rs
index 2e7dc02e6..bb13c86f1 100644
--- a/src/doc/book/listings/ch08-common-collections/no-listing-03-iterate-over-hashmap/src/main.rs
+++ b/src/doc/book/listings/ch08-common-collections/no-listing-03-iterate-over-hashmap/src/main.rs
@@ -8,7 +8,7 @@ fn main() {
     scores.insert(String::from("Yellow"), 50);
 
     for (key, value) in &scores {
-        println!("{}: {}", key, value);
+        println!("{key}: {value}");
     }
     // ANCHOR_END: here
 }
diff --git a/src/doc/book/listings/ch09-error-handling/listing-09-07/src/main.rs b/src/doc/book/listings/ch09-error-handling/listing-09-07/src/main.rs
index f4564f670..0295949d2 100644
--- a/src/doc/book/listings/ch09-error-handling/listing-09-07/src/main.rs
+++ b/src/doc/book/listings/ch09-error-handling/listing-09-07/src/main.rs
@@ -1,7 +1,6 @@
 // ANCHOR: here
 use std::fs::File;
-use std::io;
-use std::io::Read;
+use std::io::{self, Read};
 
 fn read_username_from_file() -> Result<String, io::Error> {
     let mut username_file = File::open("hello.txt")?;
diff --git a/src/doc/book/listings/ch09-error-handling/listing-09-08/src/main.rs b/src/doc/book/listings/ch09-error-handling/listing-09-08/src/main.rs
index c3c6e23ef..ca672caad 100644
--- a/src/doc/book/listings/ch09-error-handling/listing-09-08/src/main.rs
+++ b/src/doc/book/listings/ch09-error-handling/listing-09-08/src/main.rs
@@ -1,7 +1,6 @@
 // ANCHOR: here
 use std::fs::File;
-use std::io;
-use std::io::Read;
+use std::io::{self, Read};
 
 fn read_username_from_file() -> Result<String, io::Error> {
     let mut username = String::new();
diff --git a/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.lock b/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.lock
+++ b/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.toml b/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.toml
index 15b3fffca..d508e9578 100644
--- a/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.toml
+++ b/src/doc/book/listings/ch09-error-handling/listing-09-13/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.lock b/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.lock
index 0a2f222c2..2ae9e459e 100644
--- a/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.lock
+++ b/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,14 +40,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -68,15 +69,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.toml b/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.toml
index 15b3fffca..d508e9578 100644
--- a/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.toml
+++ b/src/doc/book/listings/ch09-error-handling/no-listing-09-guess-out-of-range/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.lock b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.lock
index d37189b33..8b8c69d33 100644
--- a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.lock
+++ b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.lock
@@ -1,6 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "adder"
 version = "0.1.0"
-
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.toml b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.toml
index e61cb12e3..b7d36d44c 100644
--- a/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.toml
+++ b/src/doc/book/listings/ch11-writing-automated-tests/listing-11-01/Cargo.toml
@@ -3,4 +3,6 @@ name = "adder"
 version = "0.1.0"
 edition = "2021"
 
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
 [dependencies]
diff --git a/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/Cargo.lock b/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/Cargo.lock
index eec3a9e4b..bf6974b58 100644
--- a/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/Cargo.lock
+++ b/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "add_one"
 version = "0.1.0"
@@ -45,14 +47,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -75,15 +76,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/add_one/Cargo.toml b/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/add_one/Cargo.toml
index fd4942ace..bc758bd88 100644
--- a/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/add_one/Cargo.toml
+++ b/src/doc/book/listings/ch14-more-about-cargo/no-listing-03-workspace-with-external-dependency/add/add_one/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/Cargo.lock b/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/Cargo.lock
index eec3a9e4b..bf6974b58 100644
--- a/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/Cargo.lock
+++ b/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "add_one"
 version = "0.1.0"
@@ -45,14 +47,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -75,15 +76,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/add_one/Cargo.toml b/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/add_one/Cargo.toml
index fd4942ace..bc758bd88 100644
--- a/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/add_one/Cargo.toml
+++ b/src/doc/book/listings/ch14-more-about-cargo/output-only-03-use-rand/add/add_one/Cargo.toml
@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rand = "0.8.3"
+rand = "0.8.5"
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-14/src/main.rs b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-14/src/main.rs
index 8d445d9b9..b71da9a37 100644
--- a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-14/src/main.rs
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-14/src/main.rs
@@ -8,9 +8,11 @@ fn main() {
     let p = Point { x: 0, y: 7 };
 
     match p {
-        Point { x, y: 0 } => println!("On the x axis at {}", x),
-        Point { x: 0, y } => println!("On the y axis at {}", y),
-        Point { x, y } => println!("On neither axis: ({}, {})", x, y),
+        Point { x, y: 0 } => println!("On the x axis at {x}"),
+        Point { x: 0, y } => println!("On the y axis at {y}"),
+        Point { x, y } => {
+            println!("On neither axis: ({x}, {y})");
+        }
     }
 }
 // ANCHOR_END: here
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-15/src/main.rs b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-15/src/main.rs
index 9b8dac193..4ddef0aaf 100644
--- a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-15/src/main.rs
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-15/src/main.rs
@@ -10,18 +10,18 @@ fn main() {
 
     match msg {
         Message::Quit => {
-            println!("The Quit variant has no data to destructure.")
+            println!("The Quit variant has no data to destructure.");
         }
         Message::Move { x, y } => {
             println!(
-                "Move in the x direction {} and in the y direction {}",
-                x, y
+                "Move in the x direction {x} and in the y direction {y}"
             );
         }
-        Message::Write(text) => println!("Text message: {}", text),
+        Message::Write(text) => {
+            println!("Text message: {text}");
+        }
         Message::ChangeColor(r, g, b) => println!(
-            "Change the color to red {}, green {}, and blue {}",
-            r, g, b
+            "Change the color to red {r}, green {g}, and blue {b}",
         ),
     }
 }
diff --git a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-16/src/main.rs b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-16/src/main.rs
index ed6a20bf4..4c958601b 100644
--- a/src/doc/book/listings/ch18-patterns-and-matching/listing-18-16/src/main.rs
+++ b/src/doc/book/listings/ch18-patterns-and-matching/listing-18-16/src/main.rs
@@ -14,13 +14,11 @@ fn main() {
     let msg = Message::ChangeColor(Color::Hsv(0, 160, 255));
 
     match msg {
-        Message::ChangeColor(Color::Rgb(r, g, b)) => println!(
-            "Change the color to red {}, green {}, and blue {}",
-            r, g, b
-        ),
+        Message::ChangeColor(Color::Rgb(r, g, b)) => {
+            println!("Change color to red {r}, green {g}, and blue {b}");
+        }
         Message::ChangeColor(Color::Hsv(h, s, v)) => println!(
-            "Change the color to hue {}, saturation {}, and value {}",
-            h, s, v
+            "Change color to hue {h}, saturation {s}, value {v}"
         ),
         _ => (),
     }