chore: Bump MSRV to 1.64.0

.clippy.toml

@@ -1 +1 @@
-msrv = "1.60.0"  # MSRV
+msrv = "1.64.0"  # MSRV

.github/workflows/ci.yml

@@ -78,7 +78,7 @@ jobs:
         build: [msrv, wasm, wasm-wasi, debug, release]
         include:
           - build: msrv
-            rust: 1.60.0  # MSRV
+            rust: 1.64.0  # MSRV
             target: x86_64-unknown-linux-gnu
             features: full
           - build: wasm
@@ -124,7 +124,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.60.0  # MSRV
+        toolchain: 1.64.0  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v2
@@ -139,7 +139,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.60.0  # MSRV
+        toolchain: 1.64.0  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v2
@@ -174,7 +174,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.60.0  # MSRV
+        toolchain: 1.64.0  # MSRV
         profile: minimal
         override: true
         components: clippy

.github/workflows/rust-next.yml

@@ -92,9 +92,9 @@ jobs:
     strategy:
       matrix:
         rust:
-        - 1.60.0  # MSRV
+        - 1.64.0  # MSRV
         - stable
-    continue-on-error: ${{ matrix.rust != '1.60.0' }}  # MSRV
+    continue-on-error: ${{ matrix.rust != '1.64.0' }}  # MSRV
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository

Cargo.toml

@@ -23,7 +23,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

Makefile

@@ -10,7 +10,7 @@ ifneq (${TOOLCHAIN_TARGET},)
   ARGS+=--target ${TOOLCHAIN_TARGET}
 endif
 
-MSRV?=1.60.0
+MSRV?=1.64.0
 
 _FEATURES = minimal default wasm full debug release
 _FEATURES_minimal = --no-default-features --features "std"

clap_bench/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.0.0"
 description = "Benchmarks for clap"
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 publish = false
 
 [package.metadata.release]

clap_complete/Cargo.toml

@@ -12,7 +12,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

clap_complete_fig/Cargo.toml

@@ -12,7 +12,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

clap_derive/Cargo.toml

@@ -13,7 +13,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

clap_lex/Cargo.toml

@@ -13,7 +13,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

clap_mangen/Cargo.toml

@@ -12,7 +12,7 @@ keywords = [
 ]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.60.0"  # MSRV
+rust-version = "1.64.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

src/lib.rs

@@ -24,7 +24,7 @@
 //!   - Leverage feature flags to keep to one active branch
 //!   - Being under [WG-CLI](https://github.com/rust-cli/team/) to increase the bus factor
 //! - We follow semver and will wait about 6-9 months between major breaking changes
-//! - We will support the last two minor Rust releases (MSRV, currently 1.60.0)
+//! - We will support the last two minor Rust releases (MSRV, currently 1.64.0)
 //!
 //! While these aspirations can be at odds with fast build times and low binary
 //! size, we will still strive to keep these reasonable for the flexibility you

tests/derive_ui.rs

@@ -6,7 +6,7 @@
 // option. This file may not be copied, modified, or distributed
 
 #[cfg(feature = "derive")]
-#[rustversion::attr(any(not(stable), before(1.60), since(1.61)), ignore)] // MSRV
+#[rustversion::attr(any(not(stable), before(1.64), since(1.65)), ignore)] // MSRV
 #[test]
 fn ui() {
     let t = trybuild::TestCases::new();

tests/derive_ui/bool_value_enum.stderr

@@ -3,3 +3,5 @@ error[E0277]: the trait bound `bool: ValueEnum` is not satisfied
   |
 6 |     #[arg(short, value_enum, default_value_t)]
   |                              ^^^^^^^^^^^^^^^ the trait `ValueEnum` is not implemented for `bool`
+  |
+  = help: the trait `ValueEnum` is implemented for `ColorChoice`

tests/derive_ui/enum_variant_not_args.stderr

@@ -3,3 +3,5 @@ error[E0277]: the trait bound `SubCmd: clap::Args` is not satisfied
   |
 3 |     Sub(SubCmd),
   |         ^^^^^^ the trait `clap::Args` is not implemented for `SubCmd`
+  |
+  = help: the trait `clap::Args` is implemented for `Box<T>`

tests/derive_ui/flatten_enum_in_struct.stderr

@@ -3,3 +3,7 @@ error[E0277]: the trait bound `SubCmd: clap::Args` is not satisfied
   |
 3 |     #[command(flatten)]
   |               ^^^^^^^ the trait `clap::Args` is not implemented for `SubCmd`
+  |
+  = help: the following other types implement trait `clap::Args`:
+            Box<T>
+            Opt

tests/derive_ui/flatten_struct_in_enum.stderr

@@ -4,4 +4,7 @@ error[E0277]: the trait bound `SubCmd: Subcommand` is not satisfied
 1 | #[derive(clap::Parser)]
   |          ^^^^^^^^^^^^ the trait `Subcommand` is not implemented for `SubCmd`
   |
+  = help: the following other types implement trait `Subcommand`:
+            Box<T>
+            Opt
   = note: this error originates in the derive macro `clap::Parser` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/derive_ui/tuple_struct.stderr

@@ -10,7 +10,7 @@ error[E0599]: no function or associated item named `parse` found for struct `Opt
   --> tests/derive_ui/tuple_struct.rs:16:20
    |
 13 | struct Opt(u32);
-   | ---------------- function or associated item `parse` not found for this
+   | ---------- function or associated item `parse` not found for this struct
 ...
 16 |     let opt = Opt::parse();
    |                    ^^^^^ function or associated item not found in `Opt`