rust/tests/ui/conditional-compilation/cfg-attr-crate-2.stderr

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error[E0658]: the `#[no_core]` attribute is an experimental feature
--> $DIR/cfg-attr-crate-2.rs:6:21
|
LL | #![cfg_attr(broken, no_core)]
| ^^^^^^^
|
= note: see issue #29639 <https://github.com/rust-lang/rust/issues/29639> for more information
= help: add `#![feature(no_core)]` 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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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`.