Test with stable Rust

Author: simolus3

.github/workflows/tests.yml

@@ -186,6 +186,40 @@ jobs:
           CORE_TEST_SQLITE=.dart_tool/sqlite3/latest/libsqlite3.dylib dart test -P skip_slow
           CORE_TEST_SQLITE=.dart_tool/sqlite3/minimum/libsqlite3.dylib dart test -P skip_slow
 
+  build_stable_rust:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - uses: dart-lang/setup-dart@v1
+      - name: Install Rust Stable
+        uses: dtolnay/rust-toolchain@stable
+
+      - uses: actions/cache@v4
+        id: sqlite_build
+        with:
+          path: dart/.dart_tool/sqlite3/
+          key: ${{ matrix.os }}-${{ hashFiles('dart/tool/') }}
+
+      - name: Setup Dart tests
+        working-directory: dart
+        run: |
+          dart pub get
+          dart run tool/download_sqlite3.dart
+          dart analyze
+
+      - name: Compile with stable Rust
+        run: |
+          cargo +stable build -p powersync_loadable
+
+      - name: Dart tests with stable Rust
+        working-directory: dart
+        run: |
+          CORE_TEST_SQLITE=.dart_tool/sqlite3/latest/libsqlite3.so dart test
+          CORE_TEST_SQLITE=.dart_tool/sqlite3/minimum/libsqlite3.so dart test
+
   valgrind:
     name: Testing with Valgrind on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}

Cargo.toml

@@ -1,5 +1,3 @@
-cargo-features = ["panic-immediate-abort"]
-
 [workspace]
 
 members = [

crates/loadable/src/lib.rs

@@ -1,6 +1,7 @@
 #![no_std]
 #![allow(internal_features)]
 #![cfg_attr(feature = "nightly", feature(core_intrinsics))]
+#![cfg_attr(feature = "nightly", feature(lang_items))]
 
 extern crate alloc;
 
@@ -30,4 +31,18 @@ mod panic_handler {
     fn panic(_info: &core::panic::PanicInfo) -> ! {
         loop {}
     }
+
+    #[cfg(not(target_family = "wasm"))]
+    #[cfg(feature = "nightly")]
+    #[lang = "eh_personality"]
+    extern "C" fn eh_personality() {}
+
+    #[cfg(not(target_family = "wasm"))]
+    #[cfg(not(feature = "nightly"))]
+    #[unsafe(no_mangle)]
+    extern "C" fn rust_eh_personality() {
+        // This avoids missing _rust_eh_personality symbol errors.
+        // This isn't used for any builds we distribute, but it's heplful to compile the library
+        // with stable Rust, which we do for testing.
+    }
 }