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error[E0382]: use of moved value: `tick`
  --> $DIR/unboxed-closures-infer-fnonce-move-call-twice.rs:10:5
   |
LL |     tick();
   |     ------ `tick` moved due to this call
LL |     tick();
   |     ^^^^ value used here after move
   |
note: closure cannot be invoked more than once because it moves the variable `counter` out of its environment
  --> $DIR/unboxed-closures-infer-fnonce-move-call-twice.rs:8:34
   |
LL |     let tick = move || mem::drop(counter);
   |                                  ^^^^^^^
note: this value implements `FnOnce`, which causes it to be moved when called
  --> $DIR/unboxed-closures-infer-fnonce-move-call-twice.rs:9:5
   |
LL |     tick();
   |     ^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0382`.