order derivable traits lists

Ignoring :
 - **generated**.rs
 - python/tidy/servo_tidy_tests/rust_tidy.rs

components/style/invalidation/element/invalidator.rs

@@ -48,7 +48,7 @@ type InvalidationVector = SmallVec<[Invalidation; 10]>;
 ///
 /// We can use this to avoid pushing invalidations of the same kind to our
 /// descendants or siblings.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
 enum InvalidationKind {
     Descendant,
     Sibling,

components/style/invalidation/media_queries.rs

@@ -23,7 +23,7 @@ use stylesheets::{NestedRuleIterationCondition, Stylesheet};
 ///
 /// If this changes, though, we may need to remove the item from the cache if
 /// present before it goes away.
-#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
 pub struct MediaListKey(usize);
 

components/style/invalidation/stylesheets.rs

@@ -20,7 +20,7 @@ use stylesheets::{CssRule, StylesheetInDocument};
 
 /// An invalidation scope represents a kind of subtree that may need to be
 /// restyled.
-#[derive(Debug, Hash, Eq, PartialEq)]
+#[derive(Debug, Eq, Hash, PartialEq)]
 #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
 enum InvalidationScope {
     /// All the descendants of an element with a given id.