|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:28:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Relaxed, Ordering::AcqRel); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  | = note: `#[deny(invalid_atomic_ordering)]` on by default | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:30:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Acquire, Ordering::AcqRel); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:32:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Release, Ordering::AcqRel); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:34:66 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::AcqRel, Ordering::AcqRel); | 
|  | |                                                                  ^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:36:66 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::SeqCst, Ordering::AcqRel); | 
|  | |                                                                  ^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:40:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Relaxed, Ordering::Release); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:42:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Acquire, Ordering::Release); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:44:67 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Release, Ordering::Release); | 
|  | |                                                                   ^^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:46:66 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::AcqRel, Ordering::Release); | 
|  | |                                                                  ^^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel`, since a failed `compare_exchange_weak` does not result in a write | 
|  | --> $DIR/lint-invalid-atomic-ordering-exchange-weak.rs:48:66 | 
|  | | | 
|  | LL |     let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::SeqCst, Ordering::Release); | 
|  | |                                                                  ^^^^^^^^^^^^^^^^^ invalid failure ordering | 
|  | | | 
|  | = help: consider using `Acquire` or `Relaxed` failure ordering instead | 
|  |  | 
|  | error: aborting due to 10 previous errors | 
|  |  |