error[E0658]: the `#[link_ordinal]` attribute is an experimental feature
  --> $DIR/feature-gate-raw-dylib-2.rs:3:5
   |
LL |     #[link_ordinal(42)]
   |     ^^^^^^^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/58713
   = help: add `#![feature(raw_dylib)]` to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.