Auto merge of #18179 - davidcl:master, r=jdm

Automatically verify that derive() lists are alphabetically ordered #…

<!-- Please describe your changes on the following line: -->
Automatically verify that derive() lists are alphabetically ordered #18172

---
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #18172 (github issue number if applicable).

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- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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components/canvas_traits/canvas.rs

@@ -81,13 +81,13 @@ pub enum FromScriptMsg {
     SendPixels(IpcSender<Option<Vec<u8>>>),
 }
 
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct CanvasGradientStop {
     pub offset: f64,
     pub color: RGBA,
 }
 
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct LinearGradientStyle {
     pub x0: f64,
     pub y0: f64,
@@ -109,7 +109,7 @@ impl LinearGradientStyle {
     }
 }
 
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct RadialGradientStyle {
     pub x0: f64,
     pub y0: f64,
@@ -164,7 +164,7 @@ pub enum FillOrStrokeStyle {
     Surface(SurfaceStyle),
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum LineCapStyle {
     Butt = 0,
     Round = 1,
@@ -184,7 +184,7 @@ impl FromStr for LineCapStyle {
     }
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum LineJoinStyle {
     Round = 0,
     Bevel = 1,
@@ -204,7 +204,7 @@ impl FromStr for LineJoinStyle {
     }
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum RepetitionStyle {
     Repeat,
     RepeatX,
@@ -226,7 +226,7 @@ impl FromStr for RepetitionStyle {
     }
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum CompositionStyle {
     SrcIn,
     SrcOut,
@@ -280,7 +280,7 @@ impl CompositionStyle {
     }
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum BlendingStyle {
     Multiply,
     Screen,
@@ -346,7 +346,7 @@ impl BlendingStyle {
     }
 }
 
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum CompositionOrBlending {
     Composition(CompositionStyle),
     Blending(BlendingStyle),

components/compositing/compositor.rs

@@ -68,14 +68,14 @@ impl ConvertPipelineIdFromWebRender for webrender_api::PipelineId {
 
 /// Holds the state when running reftests that determines when it is
 /// safe to save the output image.
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 enum ReadyState {
     Unknown,
     WaitingForConstellationReply,
     ReadyToSaveImage,
 }
 
-#[derive(PartialEq, Eq, Debug, Copy, Clone)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
 struct FrameTreeId(u32);
 
 impl FrameTreeId {
@@ -88,7 +88,7 @@ impl FrameTreeId {
 ///
 /// This unit corresponds to a "pixel" in layer coordinate space, which after scaling and
 /// transformation becomes a device pixel.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 enum LayerPixel {}
 
 /// NB: Never block on the constellation, because sometimes the constellation blocks on us.
@@ -195,7 +195,7 @@ pub struct IOCompositor<Window: WindowMethods> {
     pending_paint_metrics: HashMap<PipelineId, Epoch>,
 }
 
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 struct ScrollZoomEvent {
     /// Change the pinch zoom level by this factor
     magnification: f32,
@@ -209,13 +209,13 @@ struct ScrollZoomEvent {
     event_count: u32,
 }
 
-#[derive(PartialEq, Debug)]
+#[derive(Debug, PartialEq)]
 enum CompositionRequest {
     NoCompositingNecessary,
     CompositeNow(CompositingReason),
 }
 
-#[derive(Clone, Copy, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 enum ShutdownState {
     NotShuttingDown,
     ShuttingDown,
@@ -247,7 +247,7 @@ impl PipelineDetails {
     }
 }
 
-#[derive(Clone, Copy, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 enum CompositeTarget {
     /// Normal composition to a window
     Window,
@@ -1657,7 +1657,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
 }
 
 /// Why we performed a composite. This is used for debugging.
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 pub enum CompositingReason {
     /// We hit the delayed composition timeout. (See `delayed_composition.rs`.)
     DelayedCompositeTimeout,

components/compositing/windowing.rs

@@ -115,7 +115,7 @@ impl Debug for WindowEvent {
     }
 }
 
-#[derive(Debug, Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 pub enum AnimationState {
     Idle,
     Animating,

components/config/prefs.rs

@@ -25,7 +25,7 @@ lazy_static! {
     };
 }
 
-#[derive(PartialEq, Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
 pub enum PrefValue {
     Boolean(bool),
     String(String),

components/devtools_traits/lib.rs

@@ -40,7 +40,7 @@ pub struct DevtoolsPageInfo {
     pub url: ServoUrl,
 }
 
-#[derive(Debug, Deserialize, HeapSizeOf, Serialize, Clone)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub struct CSSError {
     pub filename: String,
     pub line: u32,
@@ -144,7 +144,7 @@ pub struct TimelineMarker {
     pub end_stack: Option<Vec<()>>,
 }
 
-#[derive(Debug, PartialEq, Eq, Hash, Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub enum TimelineMarkerType {
     Reflow,
     DOMEvent,
@@ -223,7 +223,7 @@ pub struct Modification {
     pub newValue: Option<String>,
 }
 
-#[derive(Debug, Clone, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub enum LogLevel {
     Log,
     Debug,
@@ -232,7 +232,7 @@ pub enum LogLevel {
     Error,
 }
 
-#[derive(Debug, Clone, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct ConsoleMessage {
     pub message: String,
     pub logLevel: LogLevel,
@@ -342,7 +342,7 @@ impl StartedTimelineMarker {
 /// library, which definitely can't have any dependencies on `serde`. But `serde` can't implement
 /// `Deserialize` and `Serialize` itself, because `time::PreciseTime` is opaque! A Catch-22. So I'm
 /// duplicating the definition here.
-#[derive(Debug, Copy, Clone, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
 pub struct PreciseTime(u64);
 
 impl PreciseTime {
@@ -355,5 +355,5 @@ impl PreciseTime {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub struct WorkerId(pub u32);

components/gfx/display_list/mod.rs

@@ -42,7 +42,7 @@ pub use style::dom::OpaqueNode;
 /// items that involve a blur. This ensures that the display item boundaries include all the ink.
 pub static BLUR_INFLATION_FACTOR: i32 = 3;
 
-#[derive(HeapSizeOf, Deserialize, Serialize)]
+#[derive(Deserialize, HeapSizeOf, Serialize)]
 pub struct DisplayList {
     pub list: Vec<DisplayItem>,
 }
@@ -401,7 +401,7 @@ pub enum StackingContextType {
     PseudoFloat,
 }
 
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 /// Represents one CSS stacking context, which may or may not have a hardware layer.
 pub struct StackingContext {
     /// The ID of this StackingContext for uniquely identifying it.
@@ -556,14 +556,14 @@ impl fmt::Debug for StackingContext {
     }
 }
 
-#[derive(Clone, Debug, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub enum ScrollRootType {
     ScrollFrame(ScrollSensitivity),
     Clip,
 }
 
 /// Defines a stacking context.
-#[derive(Clone, Debug, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub struct ScrollRoot {
     /// The WebRender clip id of this scroll root based on the source of this clip
     /// and information about the fragment.
@@ -671,7 +671,7 @@ impl BaseDisplayItem {
 /// A clipping region for a display item. Currently, this can describe rectangles, rounded
 /// rectangles (for `border-radius`), or arbitrary intersections of the two. Arbitrary transforms
 /// are not supported because those are handled by the higher-level `StackingContext` abstraction.
-#[derive(Clone, PartialEq, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub struct ClippingRegion {
     /// The main rectangular region. This does not include any corners.
     pub main: Rect<Au>,
@@ -685,7 +685,7 @@ pub struct ClippingRegion {
 /// A complex clipping region. These don't as easily admit arbitrary intersection operations, so
 /// they're stored in a list over to the side. Currently a complex clipping region is just a
 /// rounded rectangle, but the CSS WGs will probably make us throw more stuff in here eventually.
-#[derive(Clone, PartialEq, Debug, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub struct ComplexClippingRegion {
     /// The boundaries of the rectangle.
     pub rect: Rect<Au>,
@@ -855,7 +855,7 @@ impl ComplexClippingRegion {
 /// Metadata attached to each display item. This is useful for performing auxiliary threads with
 /// the display list involving hit testing: finding the originating DOM node and determining the
 /// cursor to use when the element is hovered over.
-#[derive(Clone, Copy, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, Serialize)]
 pub struct DisplayItemMetadata {
     /// The DOM node from which this display item originated.
     pub node: OpaqueNode,
@@ -865,7 +865,7 @@ pub struct DisplayItemMetadata {
 }
 
 /// Paints a solid color.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct SolidColorDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -875,7 +875,7 @@ pub struct SolidColorDisplayItem {
 }
 
 /// Paints text.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct TextDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -897,7 +897,7 @@ pub struct TextDisplayItem {
     pub orientation: TextOrientation,
 }
 
-#[derive(Clone, Eq, PartialEq, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, Eq, HeapSizeOf, PartialEq, Serialize)]
 pub enum TextOrientation {
     Upright,
     SidewaysLeft,
@@ -905,7 +905,7 @@ pub enum TextOrientation {
 }
 
 /// Paints an image.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct ImageDisplayItem {
     pub base: BaseDisplayItem,
 
@@ -928,7 +928,7 @@ pub struct ImageDisplayItem {
     pub image_rendering: image_rendering::T,
 }
 /// Paints an iframe.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct IframeDisplayItem {
     pub base: BaseDisplayItem,
     pub iframe: PipelineId,
@@ -985,7 +985,7 @@ pub struct RadialGradientDisplayItem {
 }
 
 /// A normal border, supporting CSS border styles.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct NormalBorder {
     /// Border colors.
     pub color: SideOffsets2D<ColorF>,
@@ -1000,7 +1000,7 @@ pub struct NormalBorder {
 }
 
 /// A border that is made of image segments.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct ImageBorder {
     /// The image this border uses, border-image-source.
     pub image: WebRenderImageInfo,
@@ -1022,7 +1022,7 @@ pub struct ImageBorder {
 }
 
 /// A border that is made of linear gradient
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct GradientBorder {
     /// The gradient info that this border uses, border-image-source.
     pub gradient: Gradient,
@@ -1032,7 +1032,7 @@ pub struct GradientBorder {
 }
 
 /// A border that is made of radial gradient
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct RadialGradientBorder {
     /// The gradient info that this border uses, border-image-source.
     pub gradient: RadialGradient,
@@ -1042,7 +1042,7 @@ pub struct RadialGradientBorder {
 }
 
 /// Specifies the type of border
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub enum BorderDetails {
     Normal(NormalBorder),
     Image(ImageBorder),
@@ -1051,7 +1051,7 @@ pub enum BorderDetails {
 }
 
 /// Paints a border.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct BorderDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1066,7 +1066,7 @@ pub struct BorderDisplayItem {
 /// Information about the border radii.
 ///
 /// TODO(pcwalton): Elliptical radii.
-#[derive(Clone, PartialEq, Debug, Copy, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub struct BorderRadii<T> {
     pub top_left: Size2D<T>,
     pub top_right: Size2D<T>,
@@ -1128,7 +1128,7 @@ impl<T> BorderRadii<T> where T: PartialEq + Zero + Clone {
 }
 
 /// Paints a line segment.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct LineDisplayItem {
     pub base: BaseDisplayItem,
 
@@ -1141,7 +1141,7 @@ pub struct LineDisplayItem {
 }
 
 /// Paints a box shadow per CSS-BACKGROUNDS.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct BoxShadowDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1171,7 +1171,7 @@ pub struct BoxShadowDisplayItem {
 }
 
 /// Defines a text shadow that affects all items until the paired PopTextShadow.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct PushTextShadowDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1187,14 +1187,14 @@ pub struct PushTextShadowDisplayItem {
 }
 
 /// Defines a text shadow that affects all items until the next PopTextShadow.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct PopTextShadowDisplayItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
 }
 
 /// Defines a stacking context.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct PushStackingContextItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1203,7 +1203,7 @@ pub struct PushStackingContextItem {
 }
 
 /// Defines a stacking context.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct PopStackingContextItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1212,7 +1212,7 @@ pub struct PopStackingContextItem {
 }
 
 /// Starts a group of items inside a particular scroll root.
-#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct DefineClipItem {
     /// Fields common to all display items.
     pub base: BaseDisplayItem,
@@ -1222,7 +1222,7 @@ pub struct DefineClipItem {
 }
 
 /// How a box shadow should be clipped.
-#[derive(Clone, Copy, Debug, PartialEq, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum BoxShadowClipMode {
     /// No special clipping should occur. This is used for (shadowed) text decorations.
     None,
@@ -1383,7 +1383,7 @@ impl fmt::Debug for DisplayItem {
     }
 }
 
-#[derive(Copy, Clone, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, Serialize)]
 pub struct WebRenderImageInfo {
     pub width: u32,
     pub height: u32,

components/gfx/font.rs

@@ -154,7 +154,7 @@ bitflags! {
 }
 
 /// Various options that control text shaping.
-#[derive(Clone, Eq, PartialEq, Hash, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 pub struct ShapingOptions {
     /// Spacing to add between each letter. Corresponds to the CSS 2.1 `letter-spacing` property.
     /// NB: You will probably want to set the `IGNORE_LIGATURES_SHAPING_FLAG` if this is non-null.
@@ -168,7 +168,7 @@ pub struct ShapingOptions {
 }
 
 /// An entry in the shape cache.
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 struct ShapeCacheEntry {
     text: String,
     options: ShapingOptions,

components/gfx/font_cache_thread.rs

@@ -33,7 +33,7 @@ struct FontTemplates {
     templates: Vec<FontTemplate>,
 }
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct FontTemplateInfo {
     pub font_template: Arc<FontTemplateData>,
     pub font_key: Option<webrender_api::FontKey>,
@@ -102,7 +102,7 @@ impl FontTemplates {
 }
 
 /// Commands that the FontContext sends to the font cache thread.
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub enum Command {
     GetFontTemplate(FontFamily, FontTemplateDescriptor, IpcSender<Reply>),
     GetLastResortFontTemplate(FontTemplateDescriptor, IpcSender<Reply>),
@@ -112,7 +112,7 @@ pub enum Command {
 }
 
 /// Reply messages sent from the font cache thread to the FontContext caller.
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub enum Reply {
     GetFontTemplateReply(Option<FontTemplateInfo>),
 }
@@ -396,7 +396,7 @@ impl FontCache {
 
 /// The public interface to the font cache thread, used exclusively by
 /// the per-thread/thread FontContext structures.
-#[derive(Clone, Deserialize, Serialize, Debug)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct FontCacheThread {
     chan: IpcSender<Command>,
 }
@@ -478,7 +478,7 @@ impl FontCacheThread {
 }
 
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub struct LowercaseString {
     inner: String,
 }

components/gfx/font_template.rs

@@ -17,7 +17,7 @@ use style::computed_values::{font_stretch, font_weight};
 /// to be expanded or refactored when we support more of the font styling parameters.
 ///
 /// NB: If you change this, you will need to update `style::properties::compute_font_hash()`.
-#[derive(Clone, Copy, Eq, Hash, Deserialize, Serialize, Debug)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Serialize)]
 pub struct FontTemplateDescriptor {
     pub weight: font_weight::T,
     pub stretch: font_stretch::T,

components/gfx/platform/freetype/font_template.rs

@@ -11,7 +11,7 @@ use webrender_api::NativeFontHandle;
 /// The identifier is an absolute path, and the bytes
 /// field is the loaded data that can be passed to
 /// freetype and azure directly.
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct FontTemplateData {
     pub bytes: Vec<u8>,
     pub identifier: Atom,

components/gfx/platform/macos/font_template.rs

@@ -24,7 +24,7 @@ use webrender_api::NativeFontHandle;
 /// The identifier is a PostScript font name. The
 /// CTFont object is cached here for use by the
 /// paint functions that create CGFont references.
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct FontTemplateData {
     /// The `CTFont` object, if present. This is cached here so that we don't have to keep creating
     /// `CTFont` instances over and over. It can always be recreated from the `identifier` and/or

components/gfx/platform/windows/font_template.rs

@@ -7,7 +7,7 @@ use servo_atoms::Atom;
 use std::io;
 use webrender_api::NativeFontHandle;
 
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct FontTemplateData {
     pub bytes: Option<Vec<u8>>,
     pub identifier: Atom,

components/gfx/text/glyph.rs

@@ -21,7 +21,7 @@ pub use gfx_traits::ByteIndex;
 /// In the uncommon case (multiple glyphs per unicode character, large glyph index/advance, or
 /// glyph offsets), we pack the glyph count into GlyphEntry, and store the other glyph information
 /// in DetailedGlyphStore.
-#[derive(Clone, Debug, Copy, Deserialize, Serialize, PartialEq)]
+#[derive(Clone, Copy, Debug, Deserialize, PartialEq, Serialize)]
 pub struct GlyphEntry {
     value: u32,
 }
@@ -147,7 +147,7 @@ impl GlyphEntry {
 
 // Stores data for a detailed glyph, in the case that several glyphs
 // correspond to one character, or the glyph's data couldn't be packed.
-#[derive(Clone, Debug, Copy, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
 struct DetailedGlyph {
     id: GlyphId,
     // glyph's advance, in the text's direction (LTR or RTL)
@@ -166,7 +166,7 @@ impl DetailedGlyph {
     }
 }
 
-#[derive(PartialEq, Clone, Eq, Debug, Copy, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
 struct DetailedGlyphRecord {
     // source string offset/GlyphEntry offset in the TextRun
     entry_offset: ByteIndex,
@@ -308,7 +308,7 @@ impl<'a> DetailedGlyphStore {
 
 // This struct is used by GlyphStore clients to provide new glyph data.
 // It should be allocated on the stack and passed by reference to GlyphStore.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct GlyphData {
     id: GlyphId,
     advance: Au,
@@ -339,7 +339,7 @@ impl GlyphData {
 // through glyphs (either for a particular TextRun offset, or all glyphs).
 // Rather than eagerly assembling and copying glyph data, it only retrieves
 // values as they are needed from the GlyphStore, using provided offsets.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub enum GlyphInfo<'a> {
     Simple(&'a GlyphStore, ByteIndex),
     Detail(&'a GlyphStore, ByteIndex, u16),

components/gfx/text/util.rs

@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#[derive(PartialEq, Eq, Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub enum CompressionMode {
     CompressNone,
     CompressWhitespace,

components/gfx_traits/lib.rs

@@ -18,7 +18,7 @@ use range::RangeIndex;
 use std::sync::atomic::{ATOMIC_USIZE_INIT, AtomicUsize, Ordering};
 
 /// A newtype struct for denoting the age of messages; prevents race conditions.
-#[derive(PartialEq, Eq, Debug, Copy, Clone, PartialOrd, Ord, Deserialize, Serialize, Hash)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct Epoch(pub u32);
 
 impl Epoch {
@@ -62,7 +62,7 @@ int_range_index! {
 /// This can only ever grow to maximum 4 entries. That's because we cram the value of this enum
 /// into the lower 2 bits of the `StackingContextId`, which otherwise contains a 32-bit-aligned
 /// heap address.
-#[derive(Clone, Debug, PartialEq, Eq, Copy, Hash, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub enum FragmentType {
     /// A StackingContext for the fragment body itself.
     FragmentBody,

components/layout/block.rs

@@ -86,7 +86,7 @@ impl FloatedBlockInfo {
 }
 
 /// The solutions for the block-size-and-margins constraint equation.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 struct BSizeConstraintSolution {
     block_start: Au,
     block_size: Au,
@@ -2196,7 +2196,7 @@ impl fmt::Debug for BlockFlow {
 }
 
 /// The inputs for the inline-sizes-and-margins constraint equation.
-#[derive(Debug, Copy, Clone)]
+#[derive(Clone, Copy, Debug)]
 pub struct ISizeConstraintInput {
     pub computed_inline_size: MaybeAuto,
     pub inline_start_margin: MaybeAuto,
@@ -2229,7 +2229,7 @@ impl ISizeConstraintInput {
 }
 
 /// The solutions for the inline-size-and-margins constraint equation.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct ISizeConstraintSolution {
     pub inline_start: Au,
     pub inline_size: Au,
@@ -3086,7 +3086,7 @@ impl ISizeAndMarginsComputer for InlineFlexItem {
 }
 
 /// A stacking context, a pseudo-stacking context, or a non-stacking context.
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 pub enum BlockStackingContextType {
     NonstackingContext,
     PseudoStackingContext,

components/layout/display_list_builder.rs

@@ -2915,7 +2915,7 @@ impl ComputedValuesCursorUtility for ComputedValues {
 }
 
 // A helper data structure for gradients.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 struct StopRun {
     start_offset: f32,
     end_offset: f32,
@@ -2953,7 +2953,7 @@ impl ToGfxColor for RGBA {
 }
 
 /// Describes how to paint the borders.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub enum BorderPaintingMode<'a> {
     /// Paint borders separately (`border-collapse: separate`).
     Separate,
@@ -2963,7 +2963,7 @@ pub enum BorderPaintingMode<'a> {
     Hidden,
 }
 
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 pub enum StackingContextCreationMode {
     Normal,
     PseudoPositioned,

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,

components/layout/flow.rs

@@ -559,7 +559,7 @@ pub trait MutableOwnedFlowUtils {
                                             absolute_descendants: &mut AbsoluteDescendants);
 }
 
-#[derive(Copy, Clone, Serialize, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq, Serialize)]
 pub enum FlowClass {
     Block,
     Inline,
@@ -771,7 +771,7 @@ pub type AbsoluteDescendantOffsetIter<'a> = Zip<AbsoluteDescendantIter<'a>, Iter
 
 /// Information needed to compute absolute (i.e. viewport-relative) flow positions (not to be
 /// confused with absolutely-positioned flows) that is computed during block-size assignment.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct EarlyAbsolutePositionInfo {
     /// The size of the containing block for relatively-positioned descendants.
     pub relative_containing_block_size: LogicalSize<Au>,
@@ -793,7 +793,7 @@ impl EarlyAbsolutePositionInfo {
 
 /// Information needed to compute absolute (i.e. viewport-relative) flow positions (not to be
 /// confused with absolutely-positioned flows) that is computed during final position assignment.
-#[derive(Serialize, Copy, Clone)]
+#[derive(Clone, Copy, Serialize)]
 pub struct LateAbsolutePositionInfo {
     /// The position of the absolute containing block relative to the nearest ancestor stacking
     /// context. If the absolute containing block establishes the stacking context for this flow,
@@ -809,7 +809,7 @@ impl LateAbsolutePositionInfo {
     }
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct FragmentationContext {
     pub available_block_size: Au,
     pub this_fragment_is_empty: bool,
@@ -1412,7 +1412,7 @@ impl ContainingBlockLink {
 
 /// A wrapper for the pointer address of a flow. These pointer addresses may only be compared for
 /// equality with other such pointer addresses, never dereferenced.
-#[derive(Copy, Clone, PartialEq, Eq, Debug)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub struct OpaqueFlow(pub usize);
 
 impl OpaqueFlow {

components/layout/flow_ref.rs

@@ -13,7 +13,7 @@ use flow::Flow;
 use std::ops::Deref;
 use std::sync::{Arc, Weak};
 
-#[derive(Clone,Debug)]
+#[derive(Clone, Debug)]
 pub struct FlowRef(Arc<Flow>);
 
 impl Deref for FlowRef {
@@ -55,7 +55,7 @@ impl FlowRef {
     }
 }
 
-#[derive(Clone,Debug)]
+#[derive(Clone, Debug)]
 pub struct WeakFlowRef(Weak<Flow>);
 
 impl WeakFlowRef {

components/layout/fragment.rs

@@ -574,7 +574,7 @@ impl ScannedTextFragmentInfo {
 
 /// Describes how to split a fragment. This is used during line breaking as part of the return
 /// value of `find_split_info_for_inline_size()`.
-#[derive(Debug, Clone)]
+#[derive(Clone, Debug)]
 pub struct SplitInfo {
     // TODO(bjz): this should only need to be a single character index, but both values are
     // currently needed for splitting in the `inline::try_append_*` functions.
@@ -633,7 +633,7 @@ impl UnscannedTextFragmentInfo {
 }
 
 /// A fragment that represents a table column.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct TableColumnFragmentInfo {
     /// the number of columns a <col> element should span
     pub span: u32,
@@ -3049,7 +3049,7 @@ pub trait FragmentBorderBoxIterator {
 
 /// The coordinate system used in `stacking_relative_border_box()`. See the documentation of that
 /// method for details.
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, Debug, PartialEq)]
 pub enum CoordinateSystem {
     /// The border box returned is relative to the fragment's parent stacking context.
     Parent,
@@ -3094,7 +3094,7 @@ impl<'a> InlineStyleIterator<'a> {
     }
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 pub enum WhitespaceStrippingResult {
     RetainFragment,
     FragmentContainedOnlyBidiControlCharacters,
@@ -3116,7 +3116,7 @@ impl WhitespaceStrippingResult {
 
 /// The overflow area. We need two different notions of overflow: paint overflow and scrollable
 /// overflow.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct Overflow {
     pub scroll: Rect<Au>,
     pub paint: Rect<Au>,
@@ -3163,7 +3163,7 @@ bitflags! {
 /// Specified distances from the margin edge of a block to its content in the inline direction.
 /// These are returned by `guess_inline_content_edge_offsets()` and are used in the float placement
 /// speculation logic.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct SpeculatedInlineContentEdgeOffsets {
     pub start: Au,
     pub end: Au,

components/layout/inline.rs

@@ -63,7 +63,7 @@ use unicode_bidi as bidi;
 /// with a float or a horizontal wall of the containing block. The block-start
 /// inline-start corner of the green zone is the same as that of the line, but
 /// the green zone can be taller and wider than the line itself.
-#[derive(Serialize, Debug, Clone)]
+#[derive(Clone, Debug, Serialize)]
 pub struct Line {
     /// A range of line indices that describe line breaks.
     ///
@@ -823,7 +823,7 @@ impl LineBreaker {
 }
 
 /// Represents a list of inline fragments, including element ranges.
-#[derive(Serialize, Clone)]
+#[derive(Clone, Serialize)]
 pub struct InlineFragments {
     /// The fragments themselves.
     pub fragments: Vec<Fragment>,
@@ -1864,13 +1864,13 @@ impl InlineMetrics {
     }
 }
 
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 enum LineFlushMode {
     No,
     Flush,
 }
 
-#[derive(Copy, Clone, Debug, Serialize)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub struct LineMetrics {
     pub space_above_baseline: Au,
     pub space_below_baseline: Au,

components/layout/model.rs

@@ -18,7 +18,7 @@ use style::values::computed::{BorderCornerRadius, LengthOrPercentageOrAuto};
 use style::values::computed::{LengthOrPercentage, LengthOrPercentageOrNone};
 
 /// A collapsible margin. See CSS 2.1 § 8.3.1.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct AdjoiningMargins {
     /// The value of the greatest positive margin.
     pub most_positive: Au,
@@ -61,7 +61,7 @@ impl AdjoiningMargins {
 }
 
 /// Represents the block-start and block-end margins of a flow with collapsible margins. See CSS 2.1 § 8.3.1.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub enum CollapsibleMargins {
     /// Margins may not collapse with this flow.
     None(Au, Au),
@@ -295,7 +295,7 @@ impl MarginCollapseInfo {
     }
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub enum MarginCollapseState {
     /// We are accumulating margin on the logical top of this flow.
     AccumulatingCollapsibleTopMargin,
@@ -304,7 +304,7 @@ pub enum MarginCollapseState {
 }
 
 /// Intrinsic inline-sizes, which consist of minimum and preferred.
-#[derive(Serialize, Copy, Clone)]
+#[derive(Clone, Copy, Serialize)]
 pub struct IntrinsicISizes {
     /// The *minimum inline-size* of the content.
     pub minimum_inline_size: Au,
@@ -395,7 +395,7 @@ impl IntrinsicISizesContribution {
 }
 
 /// Useful helper data type when computing values for blocks and positioned elements.
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 pub enum MaybeAuto {
     Auto,
     Specified(Au),

components/layout/table.rs

@@ -588,7 +588,7 @@ impl ISizeAndMarginsComputer for InternalTable {
 /// maximum of 100 pixels and 20% of the table), the preceding constraint means that we must
 /// potentially store both a specified width *and* a specified percentage, so that the inline-size
 /// assignment phase of layout will know which one to pick.
-#[derive(Clone, Serialize, Debug, Copy)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub struct ColumnIntrinsicInlineSize {
     /// The preferred intrinsic inline size.
     pub preferred: Au,
@@ -625,7 +625,7 @@ impl ColumnIntrinsicInlineSize {
 ///
 /// TODO(pcwalton): There will probably be some `border-collapse`-related info in here too
 /// eventually.
-#[derive(Serialize, Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub struct ColumnComputedInlineSize {
     /// The computed size of this inline column.
     pub size: Au,

components/layout/table_cell.rs

@@ -305,7 +305,7 @@ impl fmt::Debug for TableCellFlow {
     }
 }
 
-#[derive(Copy, Clone, Debug, Serialize)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub struct CollapsedBordersForCell {
     pub inline_start_border: CollapsedBorder,
     pub inline_end_border: CollapsedBorder,

components/layout/table_row.rs

@@ -73,7 +73,7 @@ impl Serialize for TableRowFlow {
 }
 
 /// Information about the column inline size and span for each cell.
-#[derive(Serialize, Copy, Clone)]
+#[derive(Clone, Copy, Serialize)]
 pub struct CellIntrinsicInlineSize {
     /// Inline sizes that this cell contributes to the column.
     pub column_size: ColumnIntrinsicInlineSize,
@@ -571,7 +571,7 @@ impl CollapsedBorderSpacingForRow {
 }
 
 /// All aspects of a border that can collapse with adjacent borders. See CSS 2.1 § 17.6.2.1.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct CollapsedBorder {
     /// The style of the border.
     pub style: border_top_style::T,
@@ -596,7 +596,7 @@ impl Serialize for CollapsedBorder {
 // FIXME(#8586): FromTableRow, FromTableRowGroup, FromTableColumn,
 // FromTableColumnGroup are unused
 #[allow(dead_code)]
-#[derive(Copy, Clone, Debug, PartialEq, Serialize)]
+#[derive(Clone, Copy, Debug, PartialEq, Serialize)]
 pub enum CollapsedBorderProvenance {
     FromPreviousTableCell = 6,
     FromNextTableCell = 5,
@@ -906,7 +906,7 @@ fn set_inline_position_of_child_flow(
     }
 }
 
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct BorderCollapseInfoForChildTableCell<'a> {
     collapsed_borders_for_row: &'a CollapsedBordersForRow,
     collapsed_border_spacing_for_row: &'a CollapsedBorderSpacingForRow,

components/layout/table_wrapper.rs

@@ -35,7 +35,7 @@ use style::values::CSSFloat;
 use style::values::computed::LengthOrPercentageOrAuto;
 use table::{ColumnComputedInlineSize, ColumnIntrinsicInlineSize};
 
-#[derive(Copy, Clone, Serialize, Debug)]
+#[derive(Clone, Copy, Debug, Serialize)]
 pub enum TableLayout {
     Fixed,
     Auto
@@ -615,7 +615,7 @@ impl<'a> Add for &'a AutoLayoutCandidateGuess {
 
 /// The `CSSFloat` member specifies the weight of the smaller of the two guesses, on a scale from
 /// 0.0 to 1.0.
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Clone, Copy, Debug, PartialEq)]
 enum SelectedAutoLayoutCandidateGuess {
     UseMinimumGuess,
     InterpolateBetweenMinimumGuessAndMinimumPercentageGuess(CSSFloat),

components/layout/text.rs

@@ -562,7 +562,7 @@ impl RunInfo {
 
 /// A mapping from a portion of an unscanned text fragment to the text run we're going to create
 /// for it.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 struct RunMapping {
     /// The range of byte indices within the text fragment.
     byte_range: Range<usize>,

components/layout/traversal.rs

@@ -243,7 +243,7 @@ impl<'a> PostorderFlowTraversal for BubbleISizes<'a> {
 }
 
 /// The assign-inline-sizes traversal. In Gecko this corresponds to `Reflow`.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct AssignISizes<'a> {
     pub layout_context: &'a LayoutContext<'a>,
 }
@@ -263,7 +263,7 @@ impl<'a> PreorderFlowTraversal for AssignISizes<'a> {
 /// The assign-block-sizes-and-store-overflow traversal, the last (and most expensive) part of
 /// layout computation. Determines the final block-sizes for all layout objects and computes
 /// positions. In Gecko this corresponds to `Reflow`.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct AssignBSizes<'a> {
     pub layout_context: &'a LayoutContext<'a>,
 }

components/layout_thread/dom_wrapper.rs

@@ -85,7 +85,7 @@ pub unsafe fn drop_style_and_layout_data(data: OpaqueStyleAndLayoutData) {
     let _ = Box::from_raw(non_opaque);
 }
 
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct ServoLayoutNode<'a> {
     /// The wrapped node.
     node: LayoutJS<Node>,
@@ -329,7 +329,7 @@ impl<'ln> ServoLayoutNode<'ln> {
 }
 
 // A wrapper around documents that ensures ayout can only ever access safe properties.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct ServoLayoutDocument<'ld> {
     document: LayoutJS<Document>,
     chain: PhantomData<&'ld ()>,
@@ -374,7 +374,7 @@ impl<'ld> ServoLayoutDocument<'ld> {
 }
 
 /// A wrapper around elements that ensures layout can only ever access safe properties.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct ServoLayoutElement<'le> {
     element: LayoutJS<Element>,
     chain: PhantomData<&'le ()>,
@@ -810,7 +810,7 @@ impl<'le> ::selectors::Element for ServoLayoutElement<'le> {
     }
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct ServoThreadSafeLayoutNode<'ln> {
     /// The wrapped node.
     node: ServoLayoutNode<'ln>,
@@ -1103,7 +1103,7 @@ impl<ConcreteNode> Iterator for ThreadSafeLayoutNodeChildrenIterator<ConcreteNod
 
 /// A wrapper around elements that ensures layout can only
 /// ever access safe properties and cannot race on elements.
-#[derive(Copy, Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct ServoThreadSafeLayoutElement<'le> {
     element: ServoLayoutElement<'le>,
 

components/msg/constellation_msg.rs

@@ -9,7 +9,7 @@ use std::cell::Cell;
 use std::fmt;
 use webrender_api;
 
-#[derive(PartialEq, Eq, Copy, Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
 pub enum KeyState {
     Pressed,
     Released,
@@ -17,7 +17,7 @@ pub enum KeyState {
 }
 
 //N.B. Based on the glutin key enum
-#[derive(Debug, PartialEq, Eq, Copy, Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, HeapSizeOf, PartialEq, Serialize)]
 pub enum Key {
     Space,
     Apostrophe,
@@ -156,7 +156,7 @@ bitflags! {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub enum TraversalDirection {
     Forward(usize),
     Back(usize),
@@ -217,13 +217,13 @@ impl PipelineNamespace {
 
 thread_local!(pub static PIPELINE_NAMESPACE: Cell<Option<PipelineNamespace>> = Cell::new(None));
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct PipelineNamespaceId(pub u32);
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct PipelineIndex(pub u32);
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct PipelineId {
     pub namespace_id: PipelineNamespaceId,
     pub index: PipelineIndex
@@ -262,10 +262,10 @@ impl fmt::Display for PipelineId {
     }
 }
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct BrowsingContextIndex(pub u32);
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct BrowsingContextId {
     pub namespace_id: PipelineNamespaceId,
     pub index: BrowsingContextIndex
@@ -292,7 +292,7 @@ impl fmt::Display for BrowsingContextId {
 
 thread_local!(pub static TOP_LEVEL_BROWSING_CONTEXT_ID: Cell<Option<TopLevelBrowsingContextId>> = Cell::new(None));
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct TopLevelBrowsingContextId(BrowsingContextId);
 
 impl TopLevelBrowsingContextId {
@@ -342,7 +342,7 @@ pub const TEST_BROWSING_CONTEXT_INDEX: BrowsingContextIndex = BrowsingContextInd
 pub const TEST_BROWSING_CONTEXT_ID: BrowsingContextId =
     BrowsingContextId { namespace_id: TEST_NAMESPACE, index: TEST_BROWSING_CONTEXT_INDEX };
 
-#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub enum FrameType {
     IFrame,
     MozBrowserIFrame,

components/net/fetch/methods.rs

@@ -536,7 +536,7 @@ pub fn should_be_blocked_due_to_nosniff(request_type: Type, response_headers: &H
     ///
     /// A [unit-like struct](https://doc.rust-lang.org/book/structs.html#unit-like-structs)
     /// is sufficient since a valid header implies that we use `nosniff`.
-    #[derive(Debug, Clone, Copy)]
+    #[derive(Clone, Copy, Debug)]
     struct XContentTypeOptions;
 
     impl Header for XContentTypeOptions {

components/net_traits/blob_url_store.rs

@@ -9,7 +9,7 @@ use url::Url;
 use uuid::Uuid;
 
 /// Errors returned to Blob URL Store request
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub enum BlobURLStoreError {
     /// Invalid File UUID
     InvalidFileID,
@@ -22,7 +22,7 @@ pub enum BlobURLStoreError {
 }
 
 /// Standalone blob buffer object
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct BlobBuf {
     pub filename: Option<String>,
     /// MIME type string

components/net_traits/image/base.rs

@@ -7,7 +7,7 @@ use piston_image::{self, DynamicImage, ImageFormat};
 use std::fmt;
 use webrender_api;
 
-#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, HeapSizeOf, PartialEq, Serialize)]
 pub enum PixelFormat {
     /// Luminance channel only
     K8,
@@ -19,7 +19,7 @@ pub enum PixelFormat {
     BGRA8,
 }
 
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct Image {
     pub width: u32,
     pub height: u32,
@@ -37,7 +37,7 @@ impl fmt::Debug for Image {
     }
 }
 
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, Eq, HeapSizeOf, PartialEq, Serialize)]
 pub struct ImageMetadata {
     pub width: u32,
     pub height: u32,

components/net_traits/image_cache.rs

@@ -16,14 +16,14 @@ use webrender_api;
 /// Whether a consumer is in a position to request images or not. This can occur
 /// when animations are being processed by the layout thread while the script
 /// thread is executing in parallel.
-#[derive(Copy, Clone, PartialEq, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum CanRequestImages {
     No,
     Yes,
 }
 
 /// Indicating either entire image or just metadata availability
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub enum ImageOrMetadataAvailable {
     ImageAvailable(Arc<Image>, ServoUrl),
     MetadataAvailable(ImageMetadata),
@@ -60,7 +60,7 @@ impl ImageResponder {
 }
 
 /// The returned image.
-#[derive(Clone, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub enum ImageResponse {
     /// The requested image was loaded.
     Loaded(Arc<Image>, ServoUrl),
@@ -73,7 +73,7 @@ pub enum ImageResponse {
 }
 
 /// The current state of an image in the cache.
-#[derive(PartialEq, Copy, Clone, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum ImageState {
     Pending(PendingImageId),
     LoadError,
@@ -81,7 +81,7 @@ pub enum ImageState {
 }
 
 /// The unique id for an image that has previously been requested.
-#[derive(Copy, Clone, PartialEq, Eq, Deserialize, Serialize, HeapSizeOf, Hash, Debug)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub struct PendingImageId(pub u64);
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -90,7 +90,7 @@ pub struct PendingImageResponse {
     pub id: PendingImageId,
 }
 
-#[derive(Copy, Clone, PartialEq, Hash, Eq, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub enum UsePlaceholder {
     No,
     Yes,

components/net_traits/lib.rs

@@ -62,7 +62,7 @@ pub mod image {
 
 /// A loading context, for context-specific sniffing, as defined in
 /// https://mimesniff.spec.whatwg.org/#context-specific-sniffing
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub enum LoadContext {
     Browsing,
     Image,
@@ -75,7 +75,7 @@ pub enum LoadContext {
     CacheManifest,
 }
 
-#[derive(Clone, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub struct CustomResponse {
     #[ignore_heap_size_of = "Defined in hyper"]
     #[serde(deserialize_with = "::hyper_serde::deserialize",
@@ -185,7 +185,7 @@ pub trait FetchTaskTarget {
     fn process_response_eof(&mut self, response: &Response);
 }
 
-#[derive(Clone, Serialize, Deserialize)]
+#[derive(Clone, Deserialize, Serialize)]
 pub enum FilteredMetadata {
     Basic(Metadata),
     Cors(Metadata),
@@ -193,7 +193,7 @@ pub enum FilteredMetadata {
     OpaqueRedirect
 }
 
-#[derive(Clone, Serialize, Deserialize)]
+#[derive(Clone, Deserialize, Serialize)]
 pub enum FetchMetadata {
     Unfiltered(Metadata),
     Filtered {
@@ -276,7 +276,7 @@ pub trait IpcSend<T>
 // the "Arc" hack implicitly in future.
 // See discussion: http://logs.glob.uno/?c=mozilla%23servo&s=16+May+2016&e=16+May+2016#c430412
 // See also: https://github.com/servo/servo/blob/735480/components/script/script_thread.rs#L313
-#[derive(Clone, Serialize, Deserialize)]
+#[derive(Clone, Deserialize, Serialize)]
 pub struct ResourceThreads {
     core_thread: CoreResourceThread,
     storage_thread: IpcSender<StorageThreadMsg>,
@@ -318,13 +318,13 @@ impl HeapSizeOf for ResourceThreads {
     }
 }
 
-#[derive(PartialEq, Copy, Clone, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum IncludeSubdomains {
     Included,
     NotIncluded,
 }
 
-#[derive(HeapSizeOf, Deserialize, Serialize)]
+#[derive(Deserialize, HeapSizeOf, Serialize)]
 pub enum MessageData {
     Text(String),
     Binary(Vec<u8>),
@@ -397,7 +397,7 @@ pub fn fetch_async<F>(request: RequestInit, core_resource_thread: &CoreResourceT
     core_resource_thread.send(CoreResourceMsg::Fetch(request, action_sender)).unwrap();
 }
 
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct ResourceCorsData {
     /// CORS Preflight flag
     pub preflight: bool,
@@ -406,7 +406,7 @@ pub struct ResourceCorsData {
 }
 
 /// Metadata about a loaded resource, such as is obtained from HTTP headers.
-#[derive(Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct Metadata {
     /// Final URL after redirects.
     pub final_url: ServoUrl,
@@ -475,7 +475,7 @@ impl Metadata {
 }
 
 /// The creator of a given cookie
-#[derive(PartialEq, Copy, Clone, Deserialize, Serialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum CookieSource {
     /// An HTTP API
     HTTP,
@@ -511,11 +511,11 @@ pub fn load_whole_resource(request: RequestInit,
 }
 
 /// An unique identifier to keep track of each load message in the resource handler
-#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
 pub struct ResourceId(pub u32);
 
 /// Network errors that have to be exported out of the loaders
-#[derive(Clone, PartialEq, Eq, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, Eq, HeapSizeOf, PartialEq, Serialize)]
 pub enum NetworkError {
     /// Could be any of the internal errors, like unsupported scheme, connection errors, etc.
     Internal(String),

components/net_traits/pub_domains.rs

@@ -20,7 +20,7 @@ use std::collections::HashSet;
 use std::iter::FromIterator;
 use std::str::from_utf8;
 
-#[derive(Clone,Debug)]
+#[derive(Clone, Debug)]
 pub struct PubDomainRules {
     rules: HashSet<String>,
     wildcards: HashSet<String>,

components/net_traits/request.rs

@@ -10,7 +10,7 @@ use servo_url::{ImmutableOrigin, ServoUrl};
 use std::default::Default;
 
 /// An [initiator](https://fetch.spec.whatwg.org/#concept-request-initiator)
-#[derive(Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum Initiator {
     None,
     Download,
@@ -20,7 +20,7 @@ pub enum Initiator {
 }
 
 /// A request [type](https://fetch.spec.whatwg.org/#concept-request-type)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum Type {
     None,
     Audio,
@@ -33,7 +33,7 @@ pub enum Type {
 }
 
 /// A request [destination](https://fetch.spec.whatwg.org/#concept-request-destination)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum Destination {
     None,
     Document,
@@ -53,14 +53,14 @@ pub enum Destination {
 }
 
 /// A request [origin](https://fetch.spec.whatwg.org/#concept-request-origin)
-#[derive(Clone, PartialEq, Debug, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum Origin {
     Client,
     Origin(ImmutableOrigin),
 }
 
 /// A [referer](https://fetch.spec.whatwg.org/#concept-request-referrer)
-#[derive(Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum Referrer {
     NoReferrer,
     /// Default referrer if nothing is specified
@@ -69,7 +69,7 @@ pub enum Referrer {
 }
 
 /// A [request mode](https://fetch.spec.whatwg.org/#concept-request-mode)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum RequestMode {
     Navigate,
     SameOrigin,
@@ -79,7 +79,7 @@ pub enum RequestMode {
 }
 
 /// Request [credentials mode](https://fetch.spec.whatwg.org/#concept-request-credentials-mode)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum CredentialsMode {
     Omit,
     CredentialsSameOrigin,
@@ -87,7 +87,7 @@ pub enum CredentialsMode {
 }
 
 /// [Cache mode](https://fetch.spec.whatwg.org/#concept-request-cache-mode)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum CacheMode {
     Default,
     NoStore,
@@ -98,7 +98,7 @@ pub enum CacheMode {
 }
 
 /// [Service-workers mode](https://fetch.spec.whatwg.org/#request-service-workers-mode)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum ServiceWorkersMode {
     All,
     Foreign,
@@ -106,7 +106,7 @@ pub enum ServiceWorkersMode {
 }
 
 /// [Redirect mode](https://fetch.spec.whatwg.org/#concept-request-redirect-mode)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum RedirectMode {
     Follow,
     Error,
@@ -114,7 +114,7 @@ pub enum RedirectMode {
 }
 
 /// [Response tainting](https://fetch.spec.whatwg.org/#concept-request-response-tainting)
-#[derive(Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum ResponseTainting {
     Basic,
     CorsTainting,
@@ -122,20 +122,20 @@ pub enum ResponseTainting {
 }
 
 /// [Window](https://fetch.spec.whatwg.org/#concept-request-window)
-#[derive(Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum Window {
     NoWindow,
     Client, // TODO: Environmental settings object
 }
 
 /// [CORS settings attribute](https://html.spec.whatwg.org/multipage/#attr-crossorigin-anonymous)
-#[derive(Copy, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(Clone, Copy, Deserialize, PartialEq, Serialize)]
 pub enum CorsSettings {
     Anonymous,
     UseCredentials,
 }
 
-#[derive(Serialize, Deserialize, Clone, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct RequestInit {
     #[serde(deserialize_with = "::hyper_serde::deserialize",
             serialize_with = "::hyper_serde::serialize")]

components/net_traits/response.rs

@@ -13,7 +13,7 @@ use std::ascii::AsciiExt;
 use std::sync::{Arc, Mutex};
 
 /// [Response type](https://fetch.spec.whatwg.org/#concept-response-type)
-#[derive(Clone, PartialEq, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, PartialEq, Serialize)]
 pub enum ResponseType {
     Basic,
     Cors,
@@ -24,7 +24,7 @@ pub enum ResponseType {
 }
 
 /// [Response termination reason](https://fetch.spec.whatwg.org/#concept-response-termination-reason)
-#[derive(Debug, Clone, Copy, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub enum TerminationReason {
     EndUserAbort,
     Fatal,
@@ -33,7 +33,7 @@ pub enum TerminationReason {
 
 /// The response body can still be pushed to after fetch
 /// This provides a way to store unfinished response bodies
-#[derive(Clone, Debug, PartialEq, HeapSizeOf)]
+#[derive(Clone, Debug, HeapSizeOf, PartialEq)]
 pub enum ResponseBody {
     Empty, // XXXManishearth is this necessary, or is Done(vec![]) enough?
     Receiving(Vec<u8>),
@@ -52,7 +52,7 @@ impl ResponseBody {
 
 
 /// [Cache state](https://fetch.spec.whatwg.org/#concept-response-cache-state)
-#[derive(Clone, Debug, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub enum CacheState {
     None,
     Local,
@@ -61,7 +61,7 @@ pub enum CacheState {
 }
 
 /// [Https state](https://fetch.spec.whatwg.org/#concept-response-https-state)
-#[derive(Debug, Clone, Copy, HeapSizeOf, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, HeapSizeOf, Serialize)]
 pub enum HttpsState {
     None,
     Deprecated,
@@ -74,7 +74,7 @@ pub enum ResponseMsg {
     Errored,
 }
 
-#[derive(Serialize, Deserialize, Clone, HeapSizeOf)]
+#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
 pub struct ResponseInit {
     pub url: ServoUrl,
     #[serde(deserialize_with = "::hyper_serde::deserialize",
@@ -86,7 +86,7 @@ pub struct ResponseInit {
 }
 
 /// A [Response](https://fetch.spec.whatwg.org/#concept-response) as defined by the Fetch spec
-#[derive(Debug, Clone, HeapSizeOf)]
+#[derive(Clone, Debug, HeapSizeOf)]
 pub struct Response {
     pub response_type: ResponseType,
     pub termination_reason: Option<TerminationReason>,

components/net_traits/storage_thread.rs

@@ -5,7 +5,7 @@
 use ipc_channel::ipc::IpcSender;
 use servo_url::ServoUrl;
 
-#[derive(Copy, Clone, Deserialize, Serialize, HeapSizeOf)]
+#[derive(Clone, Copy, Deserialize, HeapSizeOf, Serialize)]
 pub enum StorageType {
     Session,
     Local,

components/profile_traits/time.rs

@@ -10,7 +10,7 @@ use self::std_time::precise_time_ns;
 use servo_config::opts;
 use signpost;
 
-#[derive(PartialEq, Clone, PartialOrd, Eq, Ord, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct TimerMetadata {
     pub url:         String,
     pub iframe:      TimerMetadataFrameType,
@@ -39,7 +39,7 @@ pub enum ProfilerMsg {
 }
 
 #[repr(u32)]
-#[derive(PartialEq, Clone, Copy, PartialOrd, Eq, Ord, Deserialize, Serialize, Debug, Hash)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
 pub enum ProfilerCategory {
     Compositing = 0x00,
     LayoutPerform = 0x10,
@@ -95,13 +95,13 @@ pub enum ProfilerCategory {
     ApplicationHeartbeat = 0x90,
 }
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub enum TimerMetadataFrameType {
     RootWindow,
     IFrame,
 }
 
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub enum TimerMetadataReflowType {
     Incremental,
     FirstReflow,

components/range/lib.rs

@@ -78,7 +78,7 @@ impl RangeIndex for usize {
 #[macro_export]
 macro_rules! int_range_index {
     ($(#[$attr:meta])* struct $Self_:ident($T:ty)) => (
-        #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Debug, Copy)]
+        #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)]
         $(#[$attr])*
         pub struct $Self_(pub $T);
 

components/remutex/lib.rs

@@ -26,7 +26,7 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 
 // TODO: can we use the thread-id crate for this?
 
-#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
+#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
 pub struct ThreadId(NonZero<usize>);
 
 lazy_static!{ static ref THREAD_COUNT: AtomicUsize = AtomicUsize::new(1); }

components/script/body.rs

@@ -22,7 +22,7 @@ use std::rc::Rc;
 use std::str;
 use url::form_urlencoded;
 
-#[derive(Copy, Clone, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable)]
 pub enum BodyType {
     Blob,
     FormData,

components/script/build.rs

@@ -59,7 +59,7 @@ fn main() {
     write!(&mut phf, ";\n").unwrap();
 }
 
-#[derive(Eq, PartialEq, Hash)]
+#[derive(Eq, Hash, PartialEq)]
 struct Bytes<'a>(&'a str);
 
 impl<'a> fmt::Debug for Bytes<'a> {

components/script/document_loader.rs

@@ -13,7 +13,7 @@ use net_traits::request::RequestInit;
 use servo_url::ServoUrl;
 use std::thread;
 
-#[derive(JSTraceable, PartialEq, Clone, Debug, HeapSizeOf)]
+#[derive(Clone, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum LoadType {
     Image(ServoUrl),
     Script(ServoUrl),
@@ -39,7 +39,7 @@ impl LoadType {
 /// Canary value ensuring that manually added blocking loads (ie. ones that weren't
 /// created via DocumentLoader::fetch_async) are always removed by the time
 /// that the owner is destroyed.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 pub struct LoadBlocker {
     /// The document whose load event is blocked by this object existing.
@@ -80,7 +80,7 @@ impl Drop for LoadBlocker {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct DocumentLoader {
     resource_threads: ResourceThreads,
     blocking_loads: Vec<LoadType>,

components/script/dom/abstractworker.rs

@@ -29,7 +29,7 @@ impl<T: DomObject> SimpleWorkerErrorHandler<T> {
     }
 }
 
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct SharedRt {
     rt: *mut JSRuntime
 }

components/script/dom/abstractworkerglobalscope.rs

@@ -12,7 +12,7 @@ use std::sync::mpsc::{Receiver, Sender};
 /// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
 /// common event loop messages. While this SendableWorkerScriptChan is alive, the associated
 /// Worker object will remain alive.
-#[derive(JSTraceable, Clone)]
+#[derive(Clone, JSTraceable)]
 pub struct SendableWorkerScriptChan<T: DomObject> {
     pub sender: Sender<(Trusted<T>, CommonScriptMsg)>,
     pub worker: Trusted<T>,
@@ -34,7 +34,7 @@ impl<T: JSTraceable + DomObject + 'static> ScriptChan for SendableWorkerScriptCh
 /// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
 /// worker event loop messages. While this SendableWorkerScriptChan is alive, the associated
 /// Worker object will remain alive.
-#[derive(JSTraceable, Clone)]
+#[derive(Clone, JSTraceable)]
 pub struct WorkerThreadWorkerChan<T: DomObject> {
     pub sender: Sender<(Trusted<T>, WorkerScriptMsg)>,
     pub worker: Trusted<T>,

components/script/dom/bindings/callback.rs

@@ -25,7 +25,7 @@ use std::ptr;
 use std::rc::Rc;
 
 /// The exception handling used for a call.
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 pub enum ExceptionHandling {
     /// Report any exception and don't throw it to the caller code.
     Report,

components/script/dom/bindings/conversions.rs

@@ -170,7 +170,7 @@ impl ToJSValConvertible for USVString {
 }
 
 /// Behavior for stringification of `JSVal`s.
-#[derive(PartialEq, Clone)]
+#[derive(Clone, PartialEq)]
 pub enum StringificationBehavior {
     /// Convert `null` to the string `"null"`.
     Default,

components/script/dom/bindings/error.rs

@@ -25,7 +25,7 @@ use libc::c_uint;
 use std::slice::from_raw_parts;
 
 /// DOM exceptions that can be thrown by a native DOM method.
-#[derive(Debug, Clone, HeapSizeOf)]
+#[derive(Clone, Debug, HeapSizeOf)]
 pub enum Error {
     /// IndexSizeError DOMException
     IndexSize,

components/script/dom/bindings/interface.rs

@@ -108,7 +108,7 @@ use script_thread::ScriptThread;
 use std::ptr;
 
 /// The class of a non-callback interface object.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct NonCallbackInterfaceObjectClass {
     /// The SpiderMonkey Class structure.
     pub class: Class,

components/script/dom/bindings/iterable.rs

@@ -22,7 +22,7 @@ use std::cell::Cell;
 use std::ptr;
 
 /// The values that an iterator will iterate over.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub enum IteratorType {
     /// The keys of the iterable object.
     Keys,

components/script/dom/bindings/namespace.rs

@@ -11,7 +11,7 @@ use libc;
 use std::ptr;
 
 /// The class of a namespace object.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct NamespaceObjectClass(JSClass);
 
 unsafe impl Sync for NamespaceObjectClass {}

components/script/dom/bindings/num.rs

@@ -9,7 +9,7 @@ use num_traits::Float;
 use std::ops::Deref;
 
 /// Encapsulates the IDL restricted float type.
-#[derive(JSTraceable, Clone, Copy, Eq, PartialEq)]
+#[derive(Clone, Copy, Eq, JSTraceable, PartialEq)]
 pub struct Finite<T: Float>(T);
 
 impl<T: Float> Finite<T> {

components/script/dom/bindings/settings_stack.rs

@@ -15,7 +15,7 @@ use std::thread;
 
 thread_local!(static STACK: RefCell<Vec<StackEntry>> = RefCell::new(Vec::new()));
 
-#[derive(PartialEq, Eq, Debug, JSTraceable)]
+#[derive(Debug, Eq, JSTraceable, PartialEq)]
 enum StackEntryKind {
     Incumbent,
     Entry,

components/script/dom/bindings/str.rs

@@ -18,7 +18,7 @@ use std::str;
 use std::str::{Bytes, FromStr};
 
 /// Encapsulates the IDL `ByteString` type.
-#[derive(JSTraceable, Clone, Eq, PartialEq, HeapSizeOf, Debug)]
+#[derive(Clone, Debug, Eq, HeapSizeOf, JSTraceable, PartialEq)]
 pub struct ByteString(Vec<u8>);
 
 impl ByteString {

components/script/dom/bindings/utils.rs

@@ -47,7 +47,7 @@ impl HeapSizeOf for WindowProxyHandler {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 /// Static data associated with a global object.
 pub struct GlobalStaticData {
     /// The WindowProxy proxy handler for this global.
@@ -79,7 +79,7 @@ pub const JSCLASS_DOM_GLOBAL: u32 = js::JSCLASS_USERBIT1;
 
 
 /// The struct that holds inheritance information for DOM object reflectors.
-#[derive(Copy, Clone)]
+#[derive(Clone, Copy)]
 pub struct DOMClass {
     /// A list of interfaces that this object implements, in order of decreasing
     /// derivedness.

components/script/dom/canvasgradient.rs

@@ -24,7 +24,7 @@ pub struct CanvasGradient {
     stops: DOMRefCell<Vec<CanvasGradientStop>>,
 }
 
-#[derive(JSTraceable, Clone, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub enum CanvasGradientStyle {
     Linear(LinearGradientStyle),
     Radial(RadialGradientStyle),

components/script/dom/canvasrenderingcontext2d.rs

@@ -51,7 +51,7 @@ use std::sync::Arc;
 use unpremultiplytable::UNPREMULTIPLY_TABLE;
 
 #[must_root]
-#[derive(JSTraceable, Clone, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 #[allow(dead_code)]
 enum CanvasFillOrStrokeStyle {
     Color(RGBA),
@@ -81,7 +81,7 @@ pub struct CanvasRenderingContext2D {
 }
 
 #[must_root]
-#[derive(JSTraceable, Clone, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 struct CanvasContextState {
     global_alpha: f64,
     global_composition: CompositionOrBlending,

components/script/dom/cssstyledeclaration.rs

@@ -154,7 +154,7 @@ impl CSSStyleOwner {
     }
 }
 
-#[derive(PartialEq, HeapSizeOf)]
+#[derive(HeapSizeOf, PartialEq)]
 pub enum CSSModificationAccess {
     ReadWrite,
     Readonly,

components/script/dom/customelementregistry.rs

@@ -372,7 +372,7 @@ impl CustomElementRegistryMethods for CustomElementRegistry {
     }
 }
 
-#[derive(HeapSizeOf, JSTraceable, Clone)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub struct LifecycleCallbacks {
     #[ignore_heap_size_of = "Rc"]
     connected_callback: Option<Rc<Function>>,
@@ -387,14 +387,14 @@ pub struct LifecycleCallbacks {
     attribute_changed_callback: Option<Rc<Function>>,
 }
 
-#[derive(HeapSizeOf, JSTraceable, Clone)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub enum ConstructionStackEntry {
     Element(Root<Element>),
     AlreadyConstructedMarker,
 }
 
 /// https://html.spec.whatwg.org/multipage/#custom-element-definition
-#[derive(HeapSizeOf, JSTraceable, Clone)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub struct CustomElementDefinition {
     pub name: LocalName,
 
@@ -620,7 +620,7 @@ pub enum CallbackReaction {
 }
 
 /// https://html.spec.whatwg.org/multipage/#processing-the-backup-element-queue
-#[derive(HeapSizeOf, JSTraceable, Eq, PartialEq, Clone, Copy)]
+#[derive(Clone, Copy, Eq, HeapSizeOf, JSTraceable, PartialEq)]
 enum BackupElementQueueFlag {
     Processing,
     NotProcessing,

components/script/dom/document.rs

@@ -193,7 +193,7 @@ impl PendingRestyle {
     }
 }
 
-#[derive(Clone, JSTraceable, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 #[must_root]
 struct StyleSheetInDocument {
     #[ignore_heap_size_of = "Arc"]
@@ -353,7 +353,7 @@ pub struct Document {
     form_id_listener_map: DOMRefCell<HashMap<Atom, HashSet<JS<Element>>>>,
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct ImagesFilter;
 impl CollectionFilter for ImagesFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -361,7 +361,7 @@ impl CollectionFilter for ImagesFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct EmbedsFilter;
 impl CollectionFilter for EmbedsFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -369,7 +369,7 @@ impl CollectionFilter for EmbedsFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct LinksFilter;
 impl CollectionFilter for LinksFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -378,7 +378,7 @@ impl CollectionFilter for LinksFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct FormsFilter;
 impl CollectionFilter for FormsFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -386,7 +386,7 @@ impl CollectionFilter for FormsFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct ScriptsFilter;
 impl CollectionFilter for ScriptsFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -394,7 +394,7 @@ impl CollectionFilter for ScriptsFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct AnchorsFilter;
 impl CollectionFilter for AnchorsFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -402,7 +402,7 @@ impl CollectionFilter for AnchorsFilter {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct AppletsFilter;
 impl CollectionFilter for AppletsFilter {
     fn filter(&self, elem: &Element, _root: &Node) -> bool {
@@ -2027,7 +2027,7 @@ impl Document {
     }
 }
 
-#[derive(PartialEq, HeapSizeOf)]
+#[derive(HeapSizeOf, PartialEq)]
 pub enum DocumentSource {
     FromParser,
     NotFromParser,
@@ -2141,7 +2141,7 @@ fn url_has_network_scheme(url: &ServoUrl) -> bool {
     }
 }
 
-#[derive(Copy, Clone, HeapSizeOf, JSTraceable, PartialEq, Eq)]
+#[derive(Clone, Copy, Eq, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum HasBrowsingContext {
     No,
     Yes,
@@ -3513,7 +3513,7 @@ impl DocumentMethods for Document {
     #[allow(unsafe_code)]
     // https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter
     unsafe fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString) -> Option<NonZero<*mut JSObject>> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct NamedElementFilter {
             name: Atom,
         }
@@ -4033,7 +4033,7 @@ impl Runnable for DocumentProgressHandler {
 }
 
 /// Specifies the type of focus event that is sent to a pipeline
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, PartialEq)]
 pub enum FocusType {
     Element,    // The first focus message - focus the element itself
     Parent,     // Focusing a parent element (an iframe)
@@ -4051,7 +4051,7 @@ pub enum FocusEventType {
 /// If the page is observed to be using `requestAnimationFrame()` for non-animation purposes (i.e.
 /// without mutating the DOM), then we fall back to simple timeouts to save energy over video
 /// refresh.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct FakeRequestAnimationFrameCallback {
     /// The document.
     #[ignore_heap_size_of = "non-owning"]

components/script/dom/domexception.rs

@@ -12,7 +12,7 @@ use dom::globalscope::GlobalScope;
 use dom_struct::dom_struct;
 
 #[repr(u16)]
-#[derive(JSTraceable, Copy, Clone, Debug, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable)]
 pub enum DOMErrorName {
     IndexSizeError = DOMExceptionConstants::INDEX_SIZE_ERR,
     HierarchyRequestError = DOMExceptionConstants::HIERARCHY_REQUEST_ERR,

components/script/dom/element.rs

@@ -170,7 +170,7 @@ impl fmt::Debug for Root<Element> {
     }
 }
 
-#[derive(PartialEq, HeapSizeOf)]
+#[derive(HeapSizeOf, PartialEq)]
 pub enum ElementCreator {
     ParserCreated(u64),
     ScriptCreated,
@@ -182,7 +182,7 @@ pub enum CustomElementCreationMode {
 }
 
 /// https://dom.spec.whatwg.org/#concept-element-custom-element-state
-#[derive(Clone, Copy, PartialEq, Eq, HeapSizeOf, JSTraceable)]
+#[derive(Clone, Copy, Eq, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum CustomElementState {
     Undefined,
     Failed,
@@ -2981,7 +2981,7 @@ impl<'a> AttributeMutation<'a> {
 /// A holder for an element's "tag name", which will be lazily
 /// resolved and cached. Should be reset when the document
 /// owner changes.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct TagName {
     ptr: DOMRefCell<Option<LocalName>>,
 }

components/script/dom/event.rs

@@ -294,7 +294,7 @@ impl EventMethods for Event {
     }
 }
 
-#[derive(PartialEq, HeapSizeOf, Copy, Clone)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum EventBubbles {
     Bubbles,
     DoesNotBubble
@@ -318,7 +318,7 @@ impl From<EventBubbles> for bool {
     }
 }
 
-#[derive(PartialEq, HeapSizeOf, Copy, Clone)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum EventCancelable {
     Cancelable,
     NotCancelable
@@ -342,7 +342,7 @@ impl From<EventCancelable> for bool {
     }
 }
 
-#[derive(JSTraceable, Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Eq, JSTraceable, PartialEq)]
 #[repr(u16)]
 #[derive(HeapSizeOf)]
 pub enum EventPhase {
@@ -363,7 +363,7 @@ pub enum EventPhase {
 ///
 /// [msg]: https://doc.servo.org/script_traits/enum.ConstellationMsg.html#variant.KeyEvent
 ///
-#[derive(JSTraceable, HeapSizeOf, Copy, Clone, PartialEq)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum EventDefault {
     /// The default action of the event is allowed (constructor's default)
     Allowed,

components/script/dom/eventsource.rs

@@ -43,10 +43,10 @@ header! { (LastEventId, "Last-Event-ID") => [String] }
 
 const DEFAULT_RECONNECTION_TIME: u64 = 5000;
 
-#[derive(JSTraceable, PartialEq, Copy, Clone, Debug, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 struct GenerationId(u32);
 
-#[derive(JSTraceable, PartialEq, Copy, Clone, Debug, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 /// https://html.spec.whatwg.org/multipage/#dom-eventsource-readystate
 enum ReadyState {
     Connecting = 0,
@@ -535,7 +535,7 @@ impl Runnable for ReestablishConnectionRunnable {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct EventSourceTimeoutCallback {
     #[ignore_heap_size_of = "Because it is non-owning"]
     event_source: Trusted<EventSource>,

components/script/dom/eventtarget.rs

@@ -44,7 +44,7 @@ use std::ops::{Deref, DerefMut};
 use std::ptr;
 use std::rc::Rc;
 
-#[derive(PartialEq, Clone, JSTraceable)]
+#[derive(Clone, JSTraceable, PartialEq)]
 pub enum CommonEventHandler {
     EventHandler(Rc<EventHandlerNonNull>),
     ErrorEventHandler(Rc<OnErrorEventHandlerNonNull>),
@@ -61,14 +61,14 @@ impl CommonEventHandler {
     }
 }
 
-#[derive(JSTraceable, Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum ListenerPhase {
     Capturing,
     Bubbling,
 }
 
 /// https://html.spec.whatwg.org/multipage/#internal-raw-uncompiled-handler
-#[derive(JSTraceable, Clone, PartialEq)]
+#[derive(Clone, JSTraceable, PartialEq)]
 struct InternalRawUncompiledHandler {
     source: DOMString,
     url: ServoUrl,
@@ -76,7 +76,7 @@ struct InternalRawUncompiledHandler {
 }
 
 /// A representation of an event handler, either compiled or uncompiled raw source, or null.
-#[derive(JSTraceable, PartialEq, Clone)]
+#[derive(Clone, JSTraceable, PartialEq)]
 enum InlineEventListener {
     Uncompiled(InternalRawUncompiledHandler),
     Compiled(CommonEventHandler),
@@ -106,7 +106,7 @@ impl InlineEventListener {
     }
 }
 
-#[derive(JSTraceable, Clone, PartialEq)]
+#[derive(Clone, JSTraceable, PartialEq)]
 enum EventListenerType {
     Additive(Rc<EventListener>),
     Inline(InlineEventListener),
@@ -228,7 +228,7 @@ struct EventListenerEntry {
     listener: EventListenerType
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 /// A mix of potentially uncompiled and compiled event listeners of the same type.
 struct EventListeners(Vec<EventListenerEntry>);
 

components/script/dom/filereader.rs

@@ -39,7 +39,7 @@ use std::thread;
 use task_source::TaskSource;
 use task_source::file_reading::{FileReadingTaskSource, FileReadingRunnable, FileReadingTask};
 
-#[derive(PartialEq, Clone, Copy, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum FileReaderFunction {
     ReadAsText,
     ReadAsDataUrl,
@@ -66,11 +66,11 @@ impl ReadMetaData {
     }
 }
 
-#[derive(PartialEq, Clone, Copy, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub struct GenerationId(u32);
 
 #[repr(u16)]
-#[derive(Copy, Clone, Debug, PartialEq, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum FileReaderReadyState {
     Empty = FileReaderConstants::EMPTY,
     Loading = FileReaderConstants::LOADING,

components/script/dom/headers.rs

@@ -26,7 +26,7 @@ pub struct Headers {
 }
 
 // https://fetch.spec.whatwg.org/#concept-headers-guard
-#[derive(Copy, Clone, JSTraceable, HeapSizeOf, PartialEq)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum Guard {
     Immutable,
     Request,

components/script/dom/htmlbuttonelement.rs

@@ -29,7 +29,7 @@ use std::cell::Cell;
 use std::default::Default;
 use style::element_state::*;
 
-#[derive(JSTraceable, PartialEq, Copy, Clone)]
+#[derive(Clone, Copy, JSTraceable, PartialEq)]
 #[derive(HeapSizeOf)]
 enum ButtonType {
     Submit,

components/script/dom/htmlcanvaselement.rs

@@ -42,7 +42,7 @@ const DEFAULT_WIDTH: u32 = 300;
 const DEFAULT_HEIGHT: u32 = 150;
 
 #[must_root]
-#[derive(JSTraceable, Clone, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub enum CanvasContext {
     Context2d(JS<CanvasRenderingContext2D>),
     WebGL(JS<WebGLRenderingContext>),

components/script/dom/htmlcollection.rs

@@ -26,7 +26,7 @@ pub trait CollectionFilter : JSTraceable {
 // An optional u32, using maxint to represent None.
 // It would be nicer just to use Option<u32> for this, but that would produce word
 // alignment issues since Option<u32> uses 33 bits.
-#[derive(Clone, Copy, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable)]
 struct OptionU32 {
     bits: u32,
 }
@@ -119,7 +119,7 @@ impl HTMLCollection {
                              -> Root<HTMLCollection> {
         // case 1
         if qualified_name == local_name!("*") {
-            #[derive(JSTraceable, HeapSizeOf)]
+            #[derive(HeapSizeOf, JSTraceable)]
             struct AllFilter;
             impl CollectionFilter for AllFilter {
                 fn filter(&self, _elem: &Element, _root: &Node) -> bool {
@@ -129,7 +129,7 @@ impl HTMLCollection {
             return HTMLCollection::create(window, root, box AllFilter);
         }
 
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct HtmlDocumentFilter {
             qualified_name: LocalName,
             ascii_lower_qualified_name: LocalName,
@@ -169,7 +169,7 @@ impl HTMLCollection {
     }
 
     pub fn by_qual_tag_name(window: &Window, root: &Node, qname: QualName) -> Root<HTMLCollection> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct TagNameNSFilter {
             qname: QualName
         }
@@ -193,7 +193,7 @@ impl HTMLCollection {
 
     pub fn by_atomic_class_name(window: &Window, root: &Node, classes: Vec<Atom>)
                          -> Root<HTMLCollection> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct ClassNameFilter {
             classes: Vec<Atom>
         }
@@ -212,7 +212,7 @@ impl HTMLCollection {
     }
 
     pub fn children(window: &Window, root: &Node) -> Root<HTMLCollection> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct ElementChildFilter;
         impl CollectionFilter for ElementChildFilter {
             fn filter(&self, elem: &Element, root: &Node) -> bool {

components/script/dom/htmldatalistelement.rs

@@ -43,7 +43,7 @@ impl HTMLDataListElement {
 impl HTMLDataListElementMethods for HTMLDataListElement {
     // https://html.spec.whatwg.org/multipage/#dom-datalist-options
     fn Options(&self) -> Root<HTMLCollection> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct HTMLDataListOptionsFilter;
         impl CollectionFilter for HTMLDataListOptionsFilter {
             fn filter(&self, elem: &Element, _root: &Node) -> bool {

components/script/dom/htmlfieldsetelement.rs

@@ -52,7 +52,7 @@ impl HTMLFieldSetElement {
 impl HTMLFieldSetElementMethods for HTMLFieldSetElement {
     // https://html.spec.whatwg.org/multipage/#dom-fieldset-elements
     fn Elements(&self) -> Root<HTMLCollection> {
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct ElementsFilter;
         impl CollectionFilter for ElementsFilter {
             fn filter<'a>(&self, elem: &'a Element, _root: &'a Node) -> bool {

components/script/dom/htmlformelement.rs

@@ -59,7 +59,7 @@ use style::attr::AttrValue;
 use style::str::split_html_space_chars;
 use task_source::TaskSource;
 
-#[derive(JSTraceable, PartialEq, Clone, Copy, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub struct GenerationId(u32);
 
 #[dom_struct]
@@ -172,7 +172,7 @@ impl HTMLFormElementMethods for HTMLFormElement {
             return elements;
         }
 
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct ElementsFilter {
             form: Root<HTMLFormElement>
         }
@@ -241,13 +241,13 @@ impl HTMLFormElementMethods for HTMLFormElement {
     }
 }
 
-#[derive(Copy, Clone, HeapSizeOf, PartialEq)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum SubmittedFrom {
     FromForm,
     NotFromForm
 }
 
-#[derive(Copy, Clone, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf)]
 pub enum ResetFrom {
     FromForm,
     NotFromForm
@@ -674,14 +674,14 @@ impl HTMLFormElement {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf, Clone)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub enum FormDatumValue {
     #[allow(dead_code)]
     File(Root<File>),
     String(DOMString)
 }
 
-#[derive(HeapSizeOf, JSTraceable, Clone)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 pub struct FormDatum {
     pub ty: DOMString,
     pub name: DOMString,
@@ -701,14 +701,14 @@ impl FormDatum {
     }
 }
 
-#[derive(Copy, Clone, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf)]
 pub enum FormEncType {
     TextPlainEncoded,
     UrlEncoded,
     FormDataEncoded
 }
 
-#[derive(Copy, Clone, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf)]
 pub enum FormMethod {
     FormGet,
     FormPost,
@@ -759,7 +759,7 @@ impl FormSubmittableElement {
     }
 }
 
-#[derive(Copy, Clone, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf)]
 pub enum FormSubmitter<'a> {
     FormElement(&'a HTMLFormElement),
     InputElement(&'a HTMLInputElement),

components/script/dom/htmlheadingelement.rs

@@ -10,7 +10,7 @@ use dom::node::Node;
 use dom_struct::dom_struct;
 use html5ever::{LocalName, Prefix};
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub enum HeadingLevel {
     Heading1,
     Heading2,

components/script/dom/htmliframeelement.rs

@@ -57,7 +57,7 @@ use style::context::ReflowGoal;
 use task_source::TaskSource;
 
 bitflags! {
-    #[derive(JSTraceable, HeapSizeOf)]
+    #[derive(HeapSizeOf, JSTraceable)]
     flags SandboxAllowance: u8 {
         const ALLOW_NOTHING = 0x00,
         const ALLOW_SAME_ORIGIN = 0x01,

components/script/dom/htmlimageelement.rs

@@ -58,7 +58,7 @@ use std::sync::{Arc, Mutex};
 use style::attr::{AttrValue, LengthOrPercentageOrAuto};
 use task_source::TaskSource;
 
-#[derive(Clone, Copy, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable)]
 #[allow(dead_code)]
 enum State {
     Unavailable,
@@ -66,12 +66,12 @@ enum State {
     CompletelyAvailable,
     Broken,
 }
-#[derive(Copy, Clone, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable)]
 enum ImageRequestPhase {
     Pending,
     Current
 }
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 struct ImageRequest {
     state: State,
@@ -715,7 +715,7 @@ impl HTMLImageElement {
 
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub enum ImageElementMicrotask {
     StableStateUpdateImageDataTask {
         elem: Root<HTMLImageElement>,

components/script/dom/htmlinputelement.rs

@@ -60,7 +60,7 @@ const DEFAULT_SUBMIT_VALUE: &'static str = "Submit";
 const DEFAULT_RESET_VALUE: &'static str = "Reset";
 const PASSWORD_REPLACEMENT_CHAR: char = '●';
 
-#[derive(JSTraceable, PartialEq, Copy, Clone)]
+#[derive(Clone, Copy, JSTraceable, PartialEq)]
 #[allow(dead_code)]
 #[derive(HeapSizeOf)]
 enum InputType {

components/script/dom/htmllinkelement.rs

@@ -38,7 +38,7 @@ use style::stylesheets::{CssRuleType, Stylesheet};
 use style_traits::PARSING_MODE_DEFAULT;
 use stylesheet_loader::{StylesheetLoader, StylesheetContextSource, StylesheetOwner};
 
-#[derive(JSTraceable, PartialEq, Clone, Copy, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, JSTraceable, PartialEq)]
 pub struct RequestGenerationId(u32);
 
 impl RequestGenerationId {

components/script/dom/htmlmediaelement.rs

@@ -201,7 +201,7 @@ impl HTMLMediaElementContext {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct VideoMedia {
     format: String,
     #[ignore_heap_size_of = "defined in time"]
@@ -794,7 +794,7 @@ impl VirtualMethods for HTMLMediaElement {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub enum MediaElementMicrotask {
     ResourceSelectionTask {
         elem: Root<HTMLMediaElement>,

components/script/dom/htmlselectelement.rs

@@ -37,7 +37,7 @@ use std::iter;
 use style::attr::AttrValue;
 use style::element_state::*;
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct OptionsFilter;
 impl CollectionFilter for OptionsFilter {
     fn filter<'a>(&self, elem: &'a Element, root: &'a Node) -> bool {

components/script/dom/htmltableelement.rs

@@ -36,7 +36,7 @@ pub struct HTMLTableElement {
 }
 
 #[allow(unrooted_must_root)]
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct TableRowFilter {
     sections: Vec<JS<Node>>,
 }

components/script/dom/node.rs

@@ -149,7 +149,7 @@ pub struct Node {
 
 bitflags! {
     #[doc = "Flags for node items."]
-    #[derive(JSTraceable, HeapSizeOf)]
+    #[derive(HeapSizeOf, JSTraceable)]
     pub flags NodeFlags: u16 {
         #[doc = "Specifies whether this node is in a document."]
         const IS_IN_DOC = 1 << 0,
@@ -203,7 +203,7 @@ impl Drop for Node {
 /// suppress observers flag
 /// https://dom.spec.whatwg.org/#concept-node-insert
 /// https://dom.spec.whatwg.org/#concept-node-remove
-#[derive(Copy, Clone, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf)]
 enum SuppressObserver {
     Suppressed,
     Unsuppressed
@@ -1368,7 +1368,7 @@ impl Iterator for TreeIterator {
 }
 
 /// Specifies whether children must be recursively cloned or not.
-#[derive(Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum CloneChildrenFlag {
     CloneChildren,
     DoNotCloneChildren
@@ -2531,7 +2531,7 @@ impl VirtualMethods for Node {
 }
 
 /// A summary of the changes that happened to a node.
-#[derive(Copy, Clone, PartialEq, HeapSizeOf)]
+#[derive(Clone, Copy, HeapSizeOf, PartialEq)]
 pub enum NodeDamage {
     /// The node's `style` attribute changed.
     NodeStyleDamaged,

components/script/dom/nodelist.rs

@@ -12,7 +12,7 @@ use dom::window::Window;
 use dom_struct::dom_struct;
 use std::cell::Cell;
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 pub enum NodeListType {
     Simple(Vec<JS<Node>>),
@@ -109,7 +109,7 @@ impl NodeList {
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 pub struct ChildrenList {
     node: JS<Node>,

components/script/dom/paintworkletglobalscope.rs

@@ -467,7 +467,7 @@ pub enum PaintWorkletTask {
 /// https://drafts.css-houdini.org/css-paint-api/#paint-definition
 /// This type is dangerous, because it contains uboxed `Heap<JSVal>` values,
 /// which can't be moved.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 struct PaintDefinition {
     class_constructor: Heap<JSVal>,

components/script/dom/serviceworkerglobalscope.rs

@@ -50,7 +50,7 @@ pub enum MixedMessage {
     FromTimeoutThread(())
 }
 
-#[derive(JSTraceable, Clone)]
+#[derive(Clone, JSTraceable)]
 pub struct ServiceWorkerChan {
     pub sender: Sender<ServiceWorkerScriptMsg>
 }

components/script/dom/servoparser/async_html.rs

@@ -495,7 +495,7 @@ fn run(sink: Sink,
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf, Default)]
+#[derive(Default, HeapSizeOf, JSTraceable)]
 struct ParseNodeData {
     contents: Option<ParseNode>,
     is_integration_point: bool,

components/script/dom/servoparser/mod.rs

@@ -738,7 +738,7 @@ fn insert(parent: &Node, reference_child: Option<&Node>, child: NodeOrText<JS<No
     }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[must_root]
 pub struct Sink {
     base_url: ServoUrl,

components/script/dom/testbinding.rs

@@ -723,7 +723,7 @@ impl TestBindingMethods for TestBinding {
         p.append_native_handler(&handler);
         return p;
 
-        #[derive(JSTraceable, HeapSizeOf)]
+        #[derive(HeapSizeOf, JSTraceable)]
         struct SimpleHandler {
             #[ignore_heap_size_of = "Rc has unclear ownership semantics"]
             handler: Rc<SimpleCallback>,
@@ -804,7 +804,7 @@ impl TestBinding {
     pub unsafe fn condition_unsatisfied(_: *mut JSContext, _: HandleObject) -> bool { false }
 }
 
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct TestBindingCallback {
     #[ignore_heap_size_of = "unclear ownership semantics"]
     promise: TrustedPromise,

components/script/dom/validitystate.rs

@@ -11,7 +11,7 @@ use dom::window::Window;
 use dom_struct::dom_struct;
 
 // https://html.spec.whatwg.org/multipage/#validity-states
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 #[allow(dead_code)]
 pub enum ValidityStatus {
     ValueMissing,

components/script/dom/vrdisplay.rs

@@ -79,7 +79,7 @@ unsafe_no_jsmanaged_fields!(WebVRDisplayData);
 unsafe_no_jsmanaged_fields!(WebVRFrameData);
 unsafe_no_jsmanaged_fields!(WebVRLayer);
 
-#[derive(Clone, Copy, PartialEq, Eq, HeapSizeOf)]
+#[derive(Clone, Copy, Eq, HeapSizeOf, PartialEq)]
 enum VRFrameDataStatus {
     Waiting,
     Synced,

components/script/dom/webgl_extensions/extensions.rs

@@ -44,7 +44,7 @@ const DEFAULT_DISABLED_GET_PARAMETER_NAMES: [GLenum; 1] = [
 ];
 
 /// WebGL features that are enabled/disabled by WebGL Extensions.
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 struct WebGLExtensionFeatures {
     gl_extensions: HashSet<String>,
     disabled_tex_types: HashSet<GLenum>,
@@ -73,7 +73,7 @@ impl Default for WebGLExtensionFeatures {
 
 /// Handles the list of implemented, supported and enabled WebGL extensions.
 #[must_root]
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct WebGLExtensions {
     extensions: DOMRefCell<HashMap<String, Box<WebGLExtensionWrapper>>>,
     features: DOMRefCell<WebGLExtensionFeatures>,
@@ -223,7 +223,7 @@ impl WebGLExtensions {
 }
 
 // Helper structs
-#[derive(JSTraceable, HeapSizeOf, PartialEq, Eq, Hash)]
+#[derive(Eq, Hash, HeapSizeOf, JSTraceable, PartialEq)]
 struct TexFormatType(u32, u32);
 
 type WebGLQueryParameterFunc = Fn(*mut JSContext, &WebGLRenderingContext)

components/script/dom/webgl_extensions/wrapper.rs

@@ -27,7 +27,7 @@ pub trait WebGLExtensionWrapper: JSTraceable + HeapSizeOf {
 }
 
 #[must_root]
-#[derive(JSTraceable, HeapSizeOf)]
+#[derive(HeapSizeOf, JSTraceable)]
 pub struct TypedWebGLExtensionWrapper<T: WebGLExtension> {
     extension: MutNullableJS<T::Extension>
 }

components/script/dom/webgl_validations/types.rs

@@ -9,7 +9,7 @@ use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderi
 /// with gl constants.
 macro_rules! type_safe_wrapper {
     ($name: ident, $($variant:ident => $mod:ident::$constant:ident, )+) => {
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, JSTraceable, HeapSizeOf)]
+        #[derive(Clone, Copy, Debug, Eq, Hash, HeapSizeOf, JSTraceable, PartialEq)]
         #[repr(u32)]
         pub enum $name {
             $(

components/script/dom/webglframebuffer.rs

@@ -19,7 +19,7 @@ use dom_struct::dom_struct;
 use std::cell::Cell;
 
 #[must_root]
-#[derive(JSTraceable, Clone, HeapSizeOf)]
+#[derive(Clone, HeapSizeOf, JSTraceable)]
 enum WebGLFramebufferAttachment {
     Renderbuffer(JS<WebGLRenderbuffer>),
     Texture { texture: JS<WebGLTexture>, level: i32 },

components/script/dom/webglshader.rs

@@ -18,7 +18,7 @@ use dom_struct::dom_struct;
 use std::cell::Cell;
 use std::sync::{ONCE_INIT, Once};
 
-#[derive(Clone, Copy, PartialEq, Debug, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 pub enum ShaderCompilationStatus {
     NotCompiled,
     Succeeded,

components/script/dom/webgltexture.rs

@@ -382,7 +382,7 @@ impl Drop for WebGLTexture {
     }
 }
 
-#[derive(Clone, Copy, PartialEq, Debug, JSTraceable, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 pub struct ImageInfo {
     width: u32,
     height: u32,

components/script/dom/websocket.rs

@@ -42,7 +42,7 @@ use std::thread;
 use task_source::TaskSource;
 use task_source::networking::NetworkingTaskSource;
 
-#[derive(JSTraceable, PartialEq, Copy, Clone, Debug, HeapSizeOf)]
+#[derive(Clone, Copy, Debug, HeapSizeOf, JSTraceable, PartialEq)]
 enum WebSocketRequestState {
     Connecting = 0,
     Open = 1,