error: empty `loop {}` wastes CPU cycles
  --> $DIR/empty_loop.rs:9:5
   |
LL |     loop {}
   |     ^^^^^^^
   |
   = help: you should either use `panic!()` or add `std::thread::sleep(..);` to the loop body
   = note: `-D clippy::empty-loop` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::empty_loop)]`

error: empty `loop {}` wastes CPU cycles
  --> $DIR/empty_loop.rs:12:9
   |
LL |         loop {}
   |         ^^^^^^^
   |
   = help: you should either use `panic!()` or add `std::thread::sleep(..);` to the loop body

error: empty `loop {}` wastes CPU cycles
  --> $DIR/empty_loop.rs:17:9
   |
LL |         'inner: loop {}
   |         ^^^^^^^^^^^^^^^
   |
   = help: you should either use `panic!()` or add `std::thread::sleep(..);` to the loop body

error: aborting due to 3 previous errors