rust/tests/ui/traits/safety-trait-impl.stderr

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error[E0200]: the trait `UnsafeTrait` requires an `unsafe impl` declaration
--> $DIR/safety-trait-impl.rs:14:1
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LL | impl UnsafeTrait for u16 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the trait `UnsafeTrait` enforces invariants that the compiler can't check. Review the trait documentation and make sure this implementation upholds those invariants before adding the `unsafe` keyword
help: add `unsafe` to this trait implementation
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LL | unsafe impl UnsafeTrait for u16 { }
| ++++++
error[E0199]: implementing the trait `SafeTrait` is not unsafe
--> $DIR/safety-trait-impl.rs:16:1
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LL | unsafe impl SafeTrait for u32 { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: remove `unsafe` from this trait implementation
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LL - unsafe impl SafeTrait for u32 { }
LL + impl SafeTrait for u32 { }
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error: aborting due to 2 previous errors
Some errors have detailed explanations: E0199, E0200.
For more information about an error, try `rustc --explain E0199`.