error[E0382]: use of moved value: `tx` --> $DIR/issue-12041.rs:18:17 | LL | let tx = tx; | ^^ value moved here in previous iteration of loop | = note: move occurs because `tx` has type `std::sync::mpsc::Sender`, which does not implement the `Copy` trait error: aborting due to previous error For more information about this error, try `rustc --explain E0382`.