Upgrade Cargo to the 2021 edition

alexcrichton · alexcrichton · commit cabe1cca0a24 · 2021-10-22T10:25:52.000-07:00
This didn't actually result in any code changes yet, for now this simply
flips the edition flag for all of our crates and documentation.
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cargo"
 version = "0.59.0"
-edition = "2018"
+edition = "2021"
 authors = ["Yehuda Katz <wycats@gmail.com>",
            "Carl Lerche <me@carllerche.com>",
            "Alex Crichton <alex@alexcrichton.com>"]
diff --git a/benches/benchsuite/Cargo.toml b/benches/benchsuite/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "benchsuite"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/rust-lang/cargo"
 repository = "https://github.com/rust-lang/cargo"
diff --git a/benches/capture/Cargo.toml b/benches/capture/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "capture"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Tool for capturing a real-world workspace for benchmarking."
 
diff --git a/crates/cargo-platform/Cargo.toml b/crates/cargo-platform/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-platform"
 version = "0.1.2"
 authors = ["The Cargo Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/rust-lang/cargo"
 repository = "https://github.com/rust-lang/cargo"
diff --git a/crates/cargo-test-macro/Cargo.toml b/crates/cargo-test-macro/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-test-macro"
 version = "0.1.0"
 authors = ["Jethro Beekman <jethro@fortanix.com>"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/rust-lang/cargo"
 repository = "https://github.com/rust-lang/cargo"
diff --git a/crates/cargo-test-support/Cargo.toml b/crates/cargo-test-support/Cargo.toml
@@ -3,7 +3,7 @@ name = "cargo-test-support"
 version = "0.1.0"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT OR Apache-2.0"
-edition = "2018"
+edition = "2021"
 
 [lib]
 doctest = false
diff --git a/crates/cargo-util/Cargo.toml b/crates/cargo-util/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-util"
 version = "0.1.1"
 authors = ["The Cargo Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/rust-lang/cargo"
 repository = "https://github.com/rust-lang/cargo"
diff --git a/crates/crates-io/Cargo.toml b/crates/crates-io/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "crates-io"
 version = "0.33.0"
-edition = "2018"
+edition = "2021"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
diff --git a/crates/credential/cargo-credential-1password/Cargo.toml b/crates/credential/cargo-credential-1password/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-credential-1password"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
 description = "A Cargo credential process that stores tokens in a 1password vault."
diff --git a/crates/credential/cargo-credential-gnome-secret/Cargo.toml b/crates/credential/cargo-credential-gnome-secret/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-credential-gnome-secret"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
 description = "A Cargo credential process that stores tokens with GNOME libsecret."
diff --git a/crates/credential/cargo-credential-macos-keychain/Cargo.toml b/crates/credential/cargo-credential-macos-keychain/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-credential-macos-keychain"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
 description = "A Cargo credential process that stores tokens in a macOS keychain."
diff --git a/crates/credential/cargo-credential-wincred/Cargo.toml b/crates/credential/cargo-credential-wincred/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-credential-wincred"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
 description = "A Cargo credential process that stores tokens with Windows Credential Manager."
diff --git a/crates/credential/cargo-credential/Cargo.toml b/crates/credential/cargo-credential/Cargo.toml
@@ -2,7 +2,7 @@
 name = "cargo-credential"
 version = "0.1.0"
 authors = ["The Rust Project Developers"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-lang/cargo"
 description = "A library to assist writing Cargo credential helpers."
diff --git a/crates/mdman/Cargo.toml b/crates/mdman/Cargo.toml
@@ -2,7 +2,7 @@
 name = "mdman"
 version = "0.1.0"
 authors = ["Eric Huss"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Creates a man page page from markdown."
 
diff --git a/src/doc/semver-check/Cargo.toml b/src/doc/semver-check/Cargo.toml
@@ -2,7 +2,7 @@
 name = "semver-check"
 version = "0.1.0"
 authors = ["Eric Huss"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/src/doc/src/getting-started/first-steps.md b/src/doc/src/getting-started/first-steps.md
@@ -33,7 +33,7 @@ This is all we need to get started. First, let’s check out `Cargo.toml`:
 [package]
 name = "hello_world"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 ```
diff --git a/src/doc/src/guide/creating-a-new-project.md b/src/doc/src/guide/creating-a-new-project.md
@@ -29,7 +29,7 @@ Let’s take a closer look at `Cargo.toml`:
 [package]
 name = "hello_world"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 
diff --git a/src/doc/src/guide/dependencies.md b/src/doc/src/guide/dependencies.md
@@ -35,7 +35,7 @@ crates:
 [package]
 name = "hello_world"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 time = "0.1.12"
diff --git a/src/doc/src/reference/build-script-examples.md b/src/doc/src/reference/build-script-examples.md
@@ -147,7 +147,7 @@ Pretty similar to before! Next, the manifest:
 [package]
 name = "hello-world-from-c"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 ```
 
 For now we’re not going to use any build dependencies, so let’s take a look at
@@ -297,7 +297,7 @@ with `pkg-config` installed. Let's start by setting up the manifest:
 [package]
 name = "libz-sys"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 links = "z"
 
 [build-dependencies]
@@ -384,7 +384,7 @@ Here's an example:
 [package]
 name = "zuser"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 libz-sys = "1.0.25"
