Put encoding_rs/simd-accel behind a nightly feature

.github/workflows/build.yml

@@ -25,9 +25,9 @@ jobs:
         with:
           components: clippy
       - name: Cargo check
-        run: cargo check --all-features --all-targets
+        run: cargo check --features debug --all-targets
       - name: Cargo clippy
-        run: cargo clippy --all-features --all-targets
+        run: cargo clippy --features debug --all-targets
 
   fmt:
     name: Format
@@ -73,7 +73,7 @@ jobs:
           components: rust-src
           targets: ${{ matrix.target }}
       - name: Cargo build
-        run: cargo ${{ matrix.build }} --release --all-features --target ${{ matrix.target }} --bin ${{ env.CARGO_BIN_NAME }} -Z build-std=std,panic_abort
+        run: cargo ${{ matrix.build }} --release --features nightly --target ${{ matrix.target }} --bin ${{ env.CARGO_BIN_NAME }} -Z build-std=std,panic_abort
       - name: Upload artifacts
         uses: actions/upload-artifact@v3
         with:

Cargo.toml

@@ -19,10 +19,14 @@ panic = "abort"
 
 [features]
 debug = []
+nightly = [
+    "encoding_rs/simd-accel",
+    "encoding_rs/fast-kanji-encode",
+]
 
 [dependencies]
 anyhow = "1.0.72"
-encoding_rs = { version = "0.8.32", features = ["simd-accel", "fast-kanji-encode"] }
+encoding_rs = "0.8.32"
 memexec = { version = "0.2.0", features = ["hook"] }
 rustc-hash = "1.1.0"