error[E0603]: module `index` is private
  --> $DIR/private-trait-non-local.rs:2:18
   |
LL | use core::slice::index::private_slice_index::Sealed;
   |                  ^^^^^ private module        ------ trait `Sealed` is not publicly re-exported
   |
note: the module `index` is defined here
  --> $SRC_DIR/core/src/slice/mod.rs:LL:COL

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0603`.