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error[E0599]: the method `get` exists for struct `Victim<'_, Self>`, but its trait bounds were not satisfied
  --> $DIR/impl-derived-implicit-sized-bound.rs:31:19
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LL | struct Victim<'a, T: Perpetrator + ?Sized>
   | ------------------------------------------ method `get` not found for this struct because it doesn't satisfy `Victim<'_, Self>: VictimTrait`
...
LL |     self.getter().get();
   |                   ^^^ method cannot be called on `Victim<'_, Self>` due to unsatisfied trait bounds
   |
note: trait bound `Self: Sized` was not satisfied
  --> $DIR/impl-derived-implicit-sized-bound.rs:15:10
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LL | impl<'a, T: Perpetrator /*+ ?Sized*/> VictimTrait for Victim<'a, T> {
   |          ^                            -----------     -------------
   |          |
   |          unsatisfied trait bound introduced here
help: consider relaxing the type parameter's implicit `Sized` bound
   |
LL | impl<'a, T: ?Sized + Perpetrator /*+ ?Sized*/> VictimTrait for Victim<'a, T> {
   |             ++++++++
help: consider restricting the type parameter to satisfy the trait bound
   |
LL |   Self: Sized, Self: Sized
   |              +++++++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0599`.
 
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