error: Consider using an AtomicBool instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:9:5 | 9 | Mutex::new(true); | ^^^^^^^^^^^^^^^^ | = note: `-D mutex-atomic` implied by `-D warnings` error: Consider using an AtomicUsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:10:5 | 10 | Mutex::new(5usize); | ^^^^^^^^^^^^^^^^^^ error: Consider using an AtomicIsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:11:5 | 11 | Mutex::new(9isize); | ^^^^^^^^^^^^^^^^^^ error: Consider using an AtomicPtr instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:13:5 | 13 | Mutex::new(&x as *const u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: Consider using an AtomicPtr instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:14:5 | 14 | Mutex::new(&mut x as *mut u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: Consider using an AtomicUsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:15:5 | 15 | Mutex::new(0u32); | ^^^^^^^^^^^^^^^^ | = note: `-D mutex-integer` implied by `-D warnings` error: Consider using an AtomicIsize instead of a Mutex here. If you just want the locking behaviour and not the internal type, consider using Mutex<()>. --> mutex_atomic.rs:16:5 | 16 | Mutex::new(0i32); | ^^^^^^^^^^^^^^^^ error: aborting due to 7 previous errors To learn more, run the command again with --verbose.