mlua 0.4.2

High level bindings to Lua 5.4/5.3/5.2/5.1 (including LuaJIT) with async/await features and support of writing native lua modules in Rust.
Documentation 
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error[E0277]: the type `std::cell::UnsafeCell<()>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
   --> $DIR/ref_nounwindsafe.rs:8:5
    |
8   |     catch_unwind(move || table.set("a", "b").unwrap());
    |     ^^^^^^^^^^^^ `std::cell::UnsafeCell<()>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<()>`
    = note: required because it appears within the type `std::marker::PhantomData<std::cell::UnsafeCell<()>>`
    = note: required because it appears within the type `mlua::lua::Lua`
    = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua`
    = note: required because it appears within the type `mlua::types::LuaRef<'_>`
    = note: required because it appears within the type `mlua::table::Table<'_>`
    = note: required because it appears within the type `[closure@$DIR/tests/compile/ref_nounwindsafe.rs:8:18: 8:54 table:mlua::table::Table<'_>]`