error[E0277]: the type `UnsafeCell<mlua::lua::LuaInner>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
   --> tests/compile/ref_nounwindsafe.rs:8:5
    |
8   |     catch_unwind(move || table.set("a", "b").unwrap());
    |     ^^^^^^^^^^^^ `UnsafeCell<mlua::lua::LuaInner>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `Lua`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<mlua::lua::LuaInner>`
    = note: required because it appears within the type `alloc::sync::ArcInner<UnsafeCell<mlua::lua::LuaInner>>`
    = note: required because it appears within the type `PhantomData<alloc::sync::ArcInner<UnsafeCell<mlua::lua::LuaInner>>>`
    = note: required because it appears within the type `Arc<UnsafeCell<mlua::lua::LuaInner>>`
    = note: required because it appears within the type `Lua`
    = note: required because of the requirements on the impl of `UnwindSafe` for `&Lua`
    = note: required because it appears within the type `mlua::types::LuaRef<'_>`
    = note: required because it appears within the type `LuaTable<'_>`
note: required because it's used within this closure
   --> tests/compile/ref_nounwindsafe.rs:8:18
    |
8   |     catch_unwind(move || table.set("a", "b").unwrap());
    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: required by a bound in `catch_unwind`
   --> $RUST/std/src/panic.rs
    |
    | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
    |                                        ^^^^^^^^^^ required by this bound in `catch_unwind`