error[E0382]: use of moved value --> $DIR/issue-53807.rs:4:21 | LL | if let Some(thing) = maybe { | ^^^^^ value moved here, in previous iteration of loop | = note: move occurs because value has type `Vec`, which does not implement the `Copy` trait help: borrow this binding in the pattern to avoid moving the value | LL | if let Some(ref thing) = maybe { | +++ error: aborting due to previous error For more information about this error, try `rustc --explain E0382`.