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error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>`
--> $DIR/associated-types-coherence-failure.rs:21:1
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LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
| ------------------------------------------------------------ first implementation here
...
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Cow<'_, _>`
error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_`
--> $DIR/associated-types-coherence-failure.rs:28:1
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LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
| ------------------------------------------------------------ first implementation here
...
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0119`.
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