rust/tests/ui/feature-gates/duplicate-features.stderr

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error[E0636]: the feature `if_let` has already been enabled
--> $DIR/duplicate-features.rs:7:12
|
LL | #![feature(if_let)]
| ^^^^^^
error[E0636]: the feature `rust1` has already been enabled
--> $DIR/duplicate-features.rs:4:12
|
LL | #![feature(rust1)]
| ^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0636`.