rust/tests/ui/specialization/min_specialization/impl_specialization_trait.stderr

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error: implementing `rustc_specialization_trait` traits is unstable
--> $DIR/impl_specialization_trait.rs:11:1
|
LL | impl specialization_trait::SpecTrait for A {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add `#![feature(min_specialization)]` to the crate attributes to enable
error: aborting due to previous error