rust/src/test/ui/feature-gate-optin-builtin-traits.stderr

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error: auto traits are experimental and possibly buggy (see issue #13231)
--> $DIR/feature-gate-optin-builtin-traits.rs:20:1
|
20 | auto trait AutoDummyTrait {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(optin_builtin_traits)] to the crate attributes to enable
error: auto trait implementations are experimental and possibly buggy (see issue #13231)
--> $DIR/feature-gate-optin-builtin-traits.rs:24:1
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24 | impl DummyTrait for .. {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(optin_builtin_traits)] to the crate attributes to enable
error: negative trait bounds are not yet fully implemented; use marker types for now (see issue #13231)
--> $DIR/feature-gate-optin-builtin-traits.rs:27:1
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27 | impl !DummyTrait for DummyStruct {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(optin_builtin_traits)] to the crate attributes to enable
error: aborting due to 3 previous errors