| error[E0658]: the `needs_allocator` attribute is an experimental feature | |
| --> $DIR/feature-gate-needs-allocator.rs:1:4 | |
| | | |
| LL | #![needs_allocator] | |
| | ^^^^^^^^^^^^^^^ | |
| | | |
| = help: add `#![feature(allocator_internals)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | |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`. |