error[E0425]: cannot find value `meows` in this scope
  --> $DIR/class-missing-self.rs:9:7
   |
LL |       meows += 1;
   |       ^^^^^ help: you might have meant to use the available field: `self.meows`

error[E0425]: cannot find function `sleep` in this scope
  --> $DIR/class-missing-self.rs:10:7
   |
LL |       sleep();
   |       ^^^^^ not found in this scope
   |
help: consider using the associated function
   |
LL |       self.sleep();
   |       +++++
help: consider importing this function
   |
LL | use std::thread::sleep;
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0425`.