File: stable-features.rs

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rustc 1.87.0%2Bdfsg1-1
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// Testing that the stable_features lint catches use of stable
// language and lib features.

#![deny(stable_features)]

#![feature(test_accepted_feature)]
//~^ ERROR the feature `test_accepted_feature` has been stable since 1.0.0

#![feature(rust1)]
//~^ ERROR the feature `rust1` has been stable since 1.0.0

fn main() {
    let _foo: Vec<()> = Vec::new();
}