externcrate rlua;usestd::panic::catch_unwind;userlua::*;fnmain(){let lua =Lua::new();let table = lua.create_table().unwrap();let_=catch_unwind(move|| table.set("a","b").unwrap());//~^ error: the trait bound `std::cell::UnsafeCell<()>: std::panic::RefUnwindSafe` is not satisfied in `rlua::Lua`
}