Bump msrv to 1.65.0 (#1743)

* Bump msrv to 1.65.0

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

* Fix clippy v1.65.0 warnings

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

---------

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           components: ${{ matrix.component }}
           # Oldest supported version, keep in sync with README.md
-          toolchain: "1.64.0"
+          toolchain: "1.65.0"
 
       - name: clippy version
         run: cargo clippy --version
@@ -46,10 +46,10 @@ jobs:
         include:
           - os: ubuntu-20.04
             # Oldest supported version, keep in sync with README.md
-            rustc: "1.64.0"
+            rustc: "1.65.0"
           - os: ubuntu-22.04
             # Oldest supported version, keep in sync with README.md
-            rustc: "1.64.0"
+            rustc: "1.65.0"
             extra_desc: dist-server
             extra_args: --no-default-features --features=dist-tests test_dist_ -- --test-threads 1
           - os: ubuntu-20.04
@@ -64,7 +64,7 @@ jobs:
           - os: macOS-11
           - os: windows-2019
             # Oldest supported version, keep in sync with README.md
-            rustc: "1.64.0"
+            rustc: "1.65.0"
           - os: windows-2019
             rustc: nightly
             allow_failure: true

Cargo.toml

@@ -8,7 +8,7 @@ readme = "README.md"
 categories = ["command-line-utilities", "development-tools::build-utils"]
 keywords = ["ccache"]
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [[bin]]
 name = "sccache"

README.md

@@ -144,7 +144,7 @@ By default, sccache will fail your build if it fails to successfully communicate
 Build Requirements
 ------------------
 
-sccache is a [Rust](https://www.rust-lang.org/) program. Building it requires `cargo` (and thus `rustc`). sccache currently requires **Rust 1.64.0**. We recommend you install Rust via [Rustup](https://rustup.rs/).
+sccache is a [Rust](https://www.rust-lang.org/) program. Building it requires `cargo` (and thus `rustc`). sccache currently requires **Rust 1.65.0**. We recommend you install Rust via [Rustup](https://rustup.rs/).
 
 Build
 -----

src/dist/pkg.rs

@@ -138,7 +138,7 @@ mod toolchain_imp {
             // Although by not following symlinks we could break a custom
             // constructed toolchain with links everywhere, this is just a
             // best-effort auto packaging
-            for entry in WalkDir::new(&dir_path).follow_links(false) {
+            for entry in WalkDir::new(dir_path).follow_links(false) {
                 let entry = entry?;
                 let file_type = entry.file_type();
                 if file_type.is_dir() {