| error[E0658]: transparent unions are unstable |
| --> $DIR/feature-gate-transparent_unions.rs:2:1 |
| | |
| LL | union OkButUnstableUnion { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #60405 <https://github.com/rust-lang/rust/issues/60405> for more information |
| = help: add `#![feature(transparent_unions)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |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`. |
