Update crates.

Fmt.
Clippy.

src/game_object.rs

@@ -1,7 +1,8 @@
 use sdl2::rect::Rect;
-use sdl2::render::Renderer;
+use sdl2::render::Canvas;
+use sdl2::video::Window;
 
-use component::{Updatable, Renderable};
+use component::{Renderable, Updatable};
 
 
 pub struct GameObject<'a> {
@@ -9,8 +10,8 @@ pub struct GameObject<'a> {
     pub y: f32,
     pub w: u32,
     pub h: u32,
-    pub dx: f32, // TODO moved to PlayerPhysicsComponent
-    pub dy: f32, // TODO moved to PlayerPhysicsComponent
+    pub dx: f32,      // TODO moved to PlayerPhysicsComponent
+    pub dy: f32,      // TODO moved to PlayerPhysicsComponent
     pub gravity: f32, // TODO moved to PlayerPhysicsComponent
     pub on_ground: bool,
     physics: Box<Updatable + 'a>,
@@ -18,11 +19,12 @@ pub struct GameObject<'a> {
 }
 
 impl<'a> GameObject<'a> {
-    pub fn new(x: f32,
-               y: f32,
-               physics: Box<Updatable + 'a>,
-               graphics: Box<Renderable + 'a>)
-               -> GameObject<'a> {
+    pub fn new(
+        x: f32,
+        y: f32,
+        physics: Box<Updatable + 'a>,
+        graphics: Box<Renderable + 'a>,
+    ) -> GameObject<'a> {
         GameObject {
             x: x,
             y: y,
@@ -43,7 +45,7 @@ impl<'a> GameObject<'a> {
     }
 
     #[inline]
-    pub fn render(&self, elapsed: f64, renderer: &mut Renderer, destination: &Rect) {
+    pub fn render(&self, elapsed: f64, renderer: &mut Canvas<Window>, destination: &Rect) {
         self.graphics.render(self, elapsed, renderer, destination);
     }