|  | 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 | 
|  | | | 
|  | LL |       self.meows += 1; | 
|  | |       +++++ | 
|  |  | 
|  | 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 method on `Self` | 
|  | | | 
|  | 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`. |