error[E0277]: the type `std::cell::UnsafeCell<()>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary --> $DIR/ref_nounwindsafe.rs:8:5 | 8 | catch_unwind(move || table.set("a", "b").unwrap()); | ^^^^^^^^^^^^ `std::cell::UnsafeCell<()>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary | = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<()>` = note: required because it appears within the type `std::marker::PhantomData>` = note: required because it appears within the type `mlua::lua::Lua` = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua` = note: required because it appears within the type `mlua::types::LuaRef<'_>` = note: required because it appears within the type `mlua::table::Table<'_>` = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/ref_nounwindsafe.rs:8:18: 8:54 table:mlua::table::Table<'_>]` error[E0277]: the type `std::cell::UnsafeCell` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary --> $DIR/ref_nounwindsafe.rs:8:5 | 8 | catch_unwind(move || table.set("a", "b").unwrap()); | ^^^^^^^^^^^^ `std::cell::UnsafeCell` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary | = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell` = note: required because it appears within the type `std::cell::RefCell` = note: required because it appears within the type `alloc::sync::ArcInner>` = note: required because it appears within the type `std::marker::PhantomData>>` = note: required because it appears within the type `std::sync::Arc>` = note: required because it appears within the type `mlua::lua::Lua` = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua` = note: required because it appears within the type `mlua::types::LuaRef<'_>` = note: required because it appears within the type `mlua::table::Table<'_>` = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/ref_nounwindsafe.rs:8:18: 8:54 table:mlua::table::Table<'_>]` error[E0277]: the type `std::cell::UnsafeCell` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary --> $DIR/ref_nounwindsafe.rs:8:5 | 8 | catch_unwind(move || table.set("a", "b").unwrap()); | ^^^^^^^^^^^^ `std::cell::UnsafeCell` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary | = help: within `mlua::lua::Lua`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell` = note: required because it appears within the type `std::cell::Cell` = note: required because it appears within the type `std::cell::RefCell` = note: required because it appears within the type `alloc::sync::ArcInner>` = note: required because it appears within the type `std::marker::PhantomData>>` = note: required because it appears within the type `std::sync::Arc>` = note: required because it appears within the type `mlua::lua::Lua` = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&mlua::lua::Lua` = note: required because it appears within the type `mlua::types::LuaRef<'_>` = note: required because it appears within the type `mlua::table::Table<'_>` = note: required because it appears within the type `[closure@$DIR/tests/compile_fail/ref_nounwindsafe.rs:8:18: 8:54 table:mlua::table::Table<'_>]`