Clippy if_then_panic lint has been renamed to manual_assert

serde_derive/src/lib.rs

@@ -24,7 +24,6 @@
     // clippy bug: https://github.com/rust-lang/rust-clippy/issues/7575
     clippy::collapsible_match,
     clippy::enum_variant_names,
-    clippy::if_then_panic,
     // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6797
     clippy::manual_map,
     clippy::match_like_matches_macro,
@@ -45,6 +44,7 @@
     clippy::indexing_slicing,
     clippy::items_after_statements,
     clippy::let_underscore_drop,
+    clippy::manual_assert,
     clippy::map_err_ignore,
     clippy::match_same_arms,
     // clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984