| error[E0658]: use of unstable library feature 'ptr_internals': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync | |
| --> $DIR/issue-49983-see-issue-0.rs:14:30 | |
| | | |
| LL | #[allow(unused_imports)] use core::ptr::Unique; //~ ERROR use of unstable library feature | |
| | ^^^^^^^^^^^^^^^^^ | |
| | | |
| = help: add #![feature(ptr_internals)] to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |