| error[E0658]: auto traits are experimental and possibly buggy |
| --> $DIR/feature-gate-optin-builtin-traits.rs:6:1 |
| | |
| LL | auto trait AutoDummyTrait {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/13231 |
| = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable |
| |
| error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now |
| --> $DIR/feature-gate-optin-builtin-traits.rs:9:1 |
| | |
| LL | impl !AutoDummyTrait for DummyStruct {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/13231 |
| = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |