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diff --git a/src/test/ui/feature-gates/feature-gate-needs-allocator.stderr b/src/test/ui/feature-gates/feature-gate-needs-allocator.stderr
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+error[E0658]: the `#[needs_allocator]` attribute is an experimental feature
+ --> $DIR/feature-gate-needs-allocator.rs:1:1
+ |
+LL | #![needs_allocator]
+ | ^^^^^^^^^^^^^^^^^^^
+ |
+ = help: add `#![feature(allocator_internals)]` to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.