cd crates/tuple_list_ex
cargo check --no-default-features --all-targets

error[E0412]: cannot find type `OwnedMutSlice` in this scope
    --> crates/tuple_list_ex/src/lib.rs:1130:39
     |
1130 |         type OwnedMutSliceAlias<'a> = OwnedMutSlice<'a, u8>;
     |                                       ^^^^^^^^^^^^^ not found in this scope