RUSTSEC-2020-0062 Improper `Sync` implementation on `FuturesUnordered` in futures-utils can cause data corruption

Affected versions of the crate had an unsound Sync implementation on the FuturesUnordered structure, which used a Cell for interior mutability without any code to handle synchronized access to the underlying task list's length and head safely. This could of lead to data corruption since two threa...

Improper `Sync` implementation on `FuturesUnordered` in futures-utils can cause data corruption

Affected versions of the crate had an unsound Sync implementation on the FuturesUnordered structure, which used a Cell for interior mutability without any code to handle synchronized access to the underlying task list's length and head safely. This could of lead to data corruption since two threa...