Explicitly set MSRV to 1.80 (#242)

Author: prokopyl

.github/workflows/rust.yml

@@ -9,24 +9,28 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest, macOS-latest ]
+        toolchain: [ "1.80", stable ]
     runs-on: ${{ matrix.os }}
     env:
       RUSTFLAGS: -D warnings
-      RUSTDOCFLAGS: -D warnings
     steps:
       - uses: actions/checkout@v6
       - name: Install rust stable
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
+          toolchain: ${{ matrix.toolchain }}
           components: clippy
       - name: Build Default
-        run: cargo build --workspace --all-targets --verbose
+        run: cargo build -p baseview --verbose
       - name: Build All Features
-        run: cargo build --workspace --all-targets --all-features --verbose
+        run: cargo build -p baseview --all-features --verbose
       - name: Run tests
-        run: cargo test --workspace --all-targets --all-features --verbose
+        run: cargo test -p baseview --all-features --verbose
+      - name: Build examples
+        if: matrix.toolchain != '1.80'
+        run: cargo build --workspace --all-targets --verbose
       - name: Clippy
+        if: matrix.toolchain != '1.80'
         run: cargo clippy --all --all-features -- -D warnings
   checks:
     runs-on: ubuntu-latest

Cargo.toml

@@ -20,6 +20,7 @@ categories = ["gui"]
 repository = "https://github.com/RustAudio/baseview"
 
 exclude = [".github"]
+rust-version = "1.80"
 
 [features]
 default = []