error[E0382]: use of moved value: `v` --> $DIR/issue-83924.rs:15:14 | LL | let v = &mut values; | - move occurs because `v` has type `&mut Vec`, which does not implement the `Copy` trait ... LL | for n in v { | - `v` moved due to this implicit call to `.into_iter()` ... LL | for n in v { | ^ value used here after move | note: this function takes ownership of the receiver `self`, which moves `v` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL | LL | fn into_iter(self) -> Self::IntoIter; | ^^^^ help: consider creating a fresh reborrow of `v` here | LL | for n in &mut *v { | ++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0382`.