| error[E0658]: marker traits is an experimental feature (see issue #29864) | |
| --> $DIR/feature-gate-marker_trait_attr.rs:3:1 | |
| | | |
| LL | #[marker] trait ExplicitMarker {} | |
| | ^^^^^^^^^ | |
| | | |
| = help: add #![feature(marker_trait_attr)] to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |