chore: lock Rust at 1.77

.github/workflows/build.yml

@@ -27,9 +27,9 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
-    - uses: actions-rs/toolchain@v1
+    - uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
-        toolchain: stable
+        toolchain: '1.77'
     - name: Install dependencies
       run: bundle install
     - name: Cache crate

.github/workflows/release.yml

@@ -81,9 +81,9 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
-    - uses: actions-rs/toolchain@v1
+    - uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
-        toolchain: stable
+        toolchain: '1.77'
     - name: Install dependencies
       run: bundle install
     - name: Cache crate

README.md

@@ -47,7 +47,7 @@ Or install it yourself as:
 You don't **have to** have Rust installed on your system since Tantiny will try to download the pre-compiled binaries hosted on GitHub releases during the installation. However, if no pre-compiled binaries were found for your system (which is a combination of platform, architecture, and Ruby version) you will need to [install Rust](https://www.rust-lang.org/tools/install) first.
 
 > [!WARNING]
-> Only Rust versions up to `1.77.0` are supported. See [this issue](https://github.com/baygeldin/tantiny/issues/21) for more details.
+> Only Rust versions up to `1.77` are supported. See [this issue](https://github.com/baygeldin/tantiny/issues/21) for more details.
 
 > [!IMPORTANT]
 > Please, make sure to specify the minor version when declaring dependency on `tantiny`. The API is a subject to change, and until it reaches `1.0.0` a bump in the minor version will most likely signify a breaking change.

src/index.rs

@@ -220,7 +220,7 @@ methods!(
     fn release_index_writer() -> NilClass {
         let internal = unwrap_index_mut(&mut _itself);
 
-        drop(internal.index_writer.as_ref().try_unwrap());
+        let _ = internal.index_writer.as_ref().try_unwrap();
         internal.index_writer = None;
 
         NilClass::new()