order derivable traits lists

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

components/layout/floats.rs

@@ -13,7 +13,7 @@ use style::logical_geometry::{LogicalRect, LogicalSize, WritingMode};
 use style::values::computed::LengthOrPercentageOrAuto;
 
 /// The kind of float: left or right.
-#[derive(Clone, Serialize, Debug, Copy)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub enum FloatKind {
     Left,
     Right
@@ -30,7 +30,7 @@ impl FloatKind {
 }
 
 /// The kind of clearance: left, right, or both.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub enum ClearType {
     Left,
     Right,
@@ -431,7 +431,7 @@ impl Floats {
 /// This is used for two purposes: (a) determining whether we can lay out blocks in parallel; (b)
 /// guessing the inline-sizes of block formatting contexts in an effort to lay them out in
 /// parallel.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct SpeculatedFloatPlacement {
     /// The estimated inline size (an upper bound) of the left floats flowing through this flow.
     pub left: Au,