Allow several Clippy lints

Author: MitMaro

Cargo.toml

@@ -182,12 +182,14 @@ restriction = { level = "warn", priority = -2 }
 blanket_clippy_restriction_lints = { level = "allow", priority = 5 }
 
 absolute_paths = "allow"
-as_conversions = "allow"
+arbitrary_source_item_ordering = "allow" # requires major refactor, perhaps someday
 arithmetic_side_effects = "allow"
+as_conversions = "allow"
 bool_to_int_with_if = "allow"
 default_numeric_fallback = "allow"
 else_if_without_else = "allow"
 expect_used = "allow"
+field_scoped_visibility_modifiers = "allow" # too strict
 float_arithmetic = "allow"
 implicit_return = "allow"
 indexing_slicing = "allow"
@@ -218,7 +220,9 @@ std_instead_of_core = "allow"
 tabs_in_doc_comments = "allow"
 tests_outside_test_module = "allow"
 too_many_lines = "allow"
+unused_self = "allow"
 unwrap_used = "allow"
+used_underscore_items = "allow" # See: https://github.com/rust-lang/rust-clippy/issues/13478
 wildcard_enum_match_arm = "allow"
 
 [lints.rustdoc]