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+error[E0277]: the size for values of type `dyn Iterator<Item = &'a mut u8>` cannot be known at compilation time
+ --> $DIR/issue-20605.rs:2:17
+ |
+LL | for item in *things { *item = 0 }
+ | ^^^^^^^ expected an implementor of trait `IntoIterator`
+ |
+ = note: the trait bound `dyn Iterator<Item = &'a mut u8>: IntoIterator` is not satisfied
+ = note: required because of the requirements on the impl of `IntoIterator` for `dyn Iterator<Item = &'a mut u8>`
+help: consider mutably borrowing here
+ |
+LL | for item in &mut *things { *item = 0 }
+ | ++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.