The author of the slice-deque crate is unresponsive and is not receiving security patches.
slice-deque
Maintained alternatives:
slice-ring-buffer
{ "license": "CC0-1.0" }
{ "affected_functions": null, "affects": { "arch": [], "functions": [], "os": [] } }
[]
"unmaintained"
"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2020-0158.json"
null