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+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "fehler"
+date = "2023-10-12"
+url = "https://github.com/withoutboats/fehler/issues/66"
+informational = "unmaintained"
+
+[versions]
+patched = []
+
+```
+# `fehler` is unmaintained; use `culpa` instead
+
+The [`fehler`](https://crates.io/crates/fehler) crate is no longer maintained.
+Consider using [`culpa`](https://crates.io/crates/culpa) instead.