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": { "os": [], "functions": [], "arch": [] } }
{ "cvss": null, "informational": "unmaintained", "categories": [] }