mlua 0.3.0-alpha.1

High level bindings to Lua 5.1/5.2/5.3 (including LuaJIT) with 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
   --> $DIR/lua_norefunwindsafe.rs:7:5
    |
7   |     catch_unwind(|| lua.create_table().unwrap());
    |     ^^^^^^^^^^^^ `std::cell::UnsafeCell<()>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<()>`
    = note: required because it appears within the type `std::marker::PhantomData<std::cell::UnsafeCell<()>>`
    = note: required because it appears within the type `mlua::lua::Lua`
    = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua`
    = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/lua_norefunwindsafe.rs:7:18: 7:48 lua:&mlua::lua::Lua]`

error[E0277]: the type `std::cell::UnsafeCell<usize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
   --> $DIR/lua_norefunwindsafe.rs:7:5
    |
7   |     catch_unwind(|| lua.create_table().unwrap());
    |     ^^^^^^^^^^^^ `std::cell::UnsafeCell<usize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<usize>`
    = note: required because it appears within the type `std::cell::Cell<usize>`
    = note: required because it appears within the type `std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `std::marker::PhantomData<std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>>`
    = note: required because it appears within the type `std::rc::Rc<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `mlua::lua::Lua`
    = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua`
    = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/lua_norefunwindsafe.rs:7:18: 7:48 lua:&mlua::lua::Lua]`

error[E0277]: the type `std::cell::UnsafeCell<mlua::lua::ExtraData>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
   --> $DIR/lua_norefunwindsafe.rs:7:5
    |
7   |     catch_unwind(|| lua.create_table().unwrap());
    |     ^^^^^^^^^^^^ `std::cell::UnsafeCell<mlua::lua::ExtraData>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<mlua::lua::ExtraData>`
    = note: required because it appears within the type `std::cell::RefCell<mlua::lua::ExtraData>`
    = note: required because it appears within the type `std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `std::marker::PhantomData<std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>>`
    = note: required because it appears within the type `std::rc::Rc<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `mlua::lua::Lua`
    = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua`
    = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/lua_norefunwindsafe.rs:7:18: 7:48 lua:&mlua::lua::Lua]`

error[E0277]: the type `std::cell::UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
   --> $DIR/lua_norefunwindsafe.rs:7:5
    |
7   |     catch_unwind(|| lua.create_table().unwrap());
    |     ^^^^^^^^^^^^ `std::cell::UnsafeCell<isize>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
    |
    = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<isize>`
    = note: required because it appears within the type `std::cell::Cell<isize>`
    = note: required because it appears within the type `std::cell::RefCell<mlua::lua::ExtraData>`
    = note: required because it appears within the type `std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `std::marker::PhantomData<std::rc::RcBox<std::cell::RefCell<mlua::lua::ExtraData>>>`
    = note: required because it appears within the type `std::rc::Rc<std::cell::RefCell<mlua::lua::ExtraData>>`
    = note: required because it appears within the type `mlua::lua::Lua`
    = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua`
    = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/lua_norefunwindsafe.rs:7:18: 7:48 lua:&mlua::lua::Lua]`