error[E0382]: use of moved value: `value` --> $DIR/issue-72649-uninit-in-loop.rs:20:22 | LL | let value = NonCopy{}; | ----- move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait LL | LL | let _used = value; | ----- value moved here LL | LL | let _used2 = value; | ^^^^^ value used here after move error[E0382]: use of moved value: `value` --> $DIR/issue-72649-uninit-in-loop.rs:32:26 | LL | let value = NonCopy{}; | ----- move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait LL | LL | loop { | ---- inside of this loop LL | let _used = value; | ----- value moved here ... LL | let _used2 = value; | ^^^^^ value used here after move error[E0382]: use of moved value: `value` --> $DIR/issue-72649-uninit-in-loop.rs:42:21 | LL | let value = NonCopy{}; | ----- move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait LL | LL | loop { | ---- inside of this loop LL | let _used = value; | ^^^^^ value moved here, in previous iteration of loop error[E0382]: use of moved value: `value` --> $DIR/issue-72649-uninit-in-loop.rs:53:22 | LL | let mut value = NonCopy{}; | --------- move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait ... LL | loop { | ---- inside of this loop LL | let _used2 = value; | ^^^^^ value moved here, in previous iteration of loop error[E0381]: used binding `value` isn't initialized --> $DIR/issue-72649-uninit-in-loop.rs:61:21 | LL | let value: NonCopy; | ----- binding declared here but left uninitialized LL | let _used = value; | ^^^^^ `value` used here but it isn't initialized | help: consider assigning a value | LL | let value: NonCopy = todo!(); | +++++++++ error[E0381]: used binding `value` isn't initialized --> $DIR/issue-72649-uninit-in-loop.rs:69:21 | LL | let mut value: NonCopy; | --------- binding declared here but left uninitialized LL | loop { LL | let _used = value; | ^^^^^ `value` used here but it isn't initialized | help: consider assigning a value | LL | let mut value: NonCopy = todo!(); | +++++++++ error: aborting due to 6 previous errors Some errors have detailed explanations: E0381, E0382. For more information about an error, try `rustc --explain E0381`.