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 | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |