Pin Rust 1.86 MSRV in Cargo.toml and CI workflows

.github/workflows/ci.yml

@@ -10,19 +10,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@1.86.0
       - run: cargo test
 
   check-macos:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@1.86.0
       - run: cargo check
 
   check-windows:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@1.86.0
       - run: cargo check

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@1.86.0
       - run: cargo test
 
   publish:
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@1.86.0
       - name: Publish to crates.io
         run: cargo publish
         env:

Cargo.toml

@@ -2,6 +2,7 @@
 name = "libfreemkv"
 version = "0.8.3"
 edition = "2021"
+rust-version = "1.86"
 license = "AGPL-3.0-only"
 description = "Open source raw disc access library for optical drives"
 repository = "https://github.com/freemkv/libfreemkv"