error[E0382]: use of moved value: `b` --> $DIR/issue-27282-move-match-input-into-guard.rs:14:5 | LL | let b = &mut true; | - move occurs because `b` has type `&mut bool`, which does not implement the `Copy` trait LL | match b { | ^^^^^^^ value used here after move ... LL | _ if { (|| { let bar = b; *bar = false; })(); | -- - variable moved due to use in closure | | | value moved into closure here error[E0382]: use of moved value: `b` --> $DIR/issue-27282-move-match-input-into-guard.rs:24:5 | LL | let b = &mut true; | - move occurs because `b` has type `&mut bool`, which does not implement the `Copy` trait LL | match b { | ^^^^^^^ value used here after move ... LL | (|| { let bar = b; *bar = false; })(); | -- - variable moved due to use in closure | | | value moved into closure here error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0382`.