order derivable traits lists

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

components/style/rule_tree/mod.rs

@@ -69,7 +69,7 @@ impl Drop for RuleTree {
 /// could be enough to implement the rule tree, keeping the whole rule provides
 /// more debuggability, and also the ability of show those selectors to
 /// devtools.
-#[derive(Debug, Clone)]
+#[derive(Clone, Debug)]
 pub enum StyleSource {
     /// A style rule stable pointer.
     Style(Arc<Locked<StyleRule>>),
@@ -442,7 +442,7 @@ const RULE_TREE_GC_INTERVAL: usize = 300;
 ///
 /// [1]: https://drafts.csswg.org/css-cascade/#cascade-origin
 #[repr(u8)]
-#[derive(Eq, PartialEq, Copy, Clone, Debug, PartialOrd)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, PartialOrd)]
 #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
 pub enum CascadeLevel {
     /// Normal User-Agent rules.