error[E0658]: the `#[needs_allocator]` attribute is an experimental feature | |
--> $DIR/feature-gate-needs-allocator.rs:11:1 | |
| | |
11 | #![needs_allocator] //~ ERROR the `#[needs_allocator]` attribute is | |
| ^^^^^^^^^^^^^^^^^^^ | |
| | |
= help: add #![feature(allocator_internals)] to the crate attributes to enable | |
error: aborting due to previous error | |