rust/tests/ui/traits/negative-impls/pin-unsound-issue-66544-der...

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error[E0751]: found both positive and negative implementation of trait `DerefMut` for type `&MyType<'_>`:
--> $DIR/pin-unsound-issue-66544-derefmut.rs:12:1
|
LL | impl<'a> DerefMut for &'a MyType<'a> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ positive implementation here
|
= note: negative implementation in crate `core`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0751`.