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error[E0271]: type mismatch resolving `<T as Deref>::Target == T`
--> $DIR/issue-68656-unsized-values.rs:13:21
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LL | impl<T: Copy + std::ops::Deref> UnsafeCopy<T> for T {
| - this type parameter
LL | type Item<'a> = T;
| ^ expected type parameter `T`, found associated type
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= note: expected type parameter `T`
found associated type `<T as Deref>::Target`
note: required by a bound in `UnsafeCopy::Item`
--> $DIR/issue-68656-unsized-values.rs:4:36
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LL | type Item<'a>: std::ops::Deref<Target = T>;
| ^^^^^^^^^^ required by this bound in `UnsafeCopy::Item`
help: consider further restricting this bound
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LL | impl<T: Copy + std::ops::Deref + Deref<Target = T>> UnsafeCopy<T> for T {
| +++++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0271`.
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