`MsQueue` `push`/`pop` use the wrong orderings

Affected versions of this crate use orderings which are too weak to support this data structure. It is likely this has caused memory corruption in the wild:...

GHSA-RWF4-GX62-RQFW `MsQueue` `push`/`pop` use the wrong orderings

Affected versions of this crate use orderings which are too weak to support this data structure. It is likely this has caused memory corruption in the wild:...

RUSTSEC-2022-0029 `MsQueue` `push`/`pop` use the wrong orderings

Affected versions of this crate use orderings which are too weak to support this data structure. It is likely this has caused memory corruption in the wild:...

RUSTSEC-2018-0009 MsQueue and SegQueue suffer from double-free

Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees. The flaw was corrected by wrapping elements inside queues in a ManuallyDrop. Thanks to @c0gent for reporting the issue...