Adds some extra clippy lints

lib/src/lib.rs

@@ -53,7 +53,6 @@
 #![doc(html_favicon_url = "https://raw.githubusercontent.com/oxigraph/oxigraph/master/logo.svg")]
 #![doc(html_logo_url = "https://raw.githubusercontent.com/oxigraph/oxigraph/master/logo.svg")]
 #![warn(
-    clippy::unimplemented,
     clippy::cast_lossless,
     clippy::cast_possible_truncation,
     clippy::cast_possible_wrap,
@@ -62,11 +61,13 @@
     clippy::checked_conversions,
     clippy::decimal_literal_representation,
     //TODO clippy::doc_markdown,
+    //clippy::else_if_without_else,
     clippy::empty_enum,
     clippy::expect_used,
     clippy::expl_impl_clone_on_copy,
     clippy::explicit_into_iter_loop,
     clippy::explicit_iter_loop,
+    clippy::expl_impl_clone_on_copy,
     clippy::fallible_impl_from,
     clippy::filter_map,
     clippy::filter_map_next,
@@ -76,12 +77,15 @@
     clippy::inline_always,
     clippy::invalid_upcast_comparisons,
     clippy::items_after_statements,
+    clippy::map_entry,
     clippy::map_flatten,
     clippy::map_unwrap_or,
     //TODO clippy::match_same_arms,
     clippy::maybe_infinite_iter,
     clippy::mem_forget,
     //TODO clippy::must_use_candidate,
+    //TODO clippy::missing_const_for_fn,
+    clippy::multiple_crate_versions,
     clippy::multiple_inherent_impl,
     clippy::mut_mut,
     clippy::needless_borrow,
@@ -102,6 +106,7 @@
     clippy::todo,
     clippy::type_repetition_in_bounds,
     clippy::unicode_not_nfc,
+    clippy::unimplemented,
     clippy::unseparated_literal_suffix,
     clippy::used_underscore_binding,
     clippy::wildcard_dependencies,