| error[E0658]: use of unstable library feature 'unstable_test_feature' |
| --> $DIR/allowed-through-unstable.rs:9:5 |
| | |
| LL | use allowed_through_unstable_core::unstable_module::NewStableTraitNotAllowedThroughUnstable; |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information |
| = help: add `#![feature(unstable_test_feature)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
