diff --git a/Cargo.lock b/Cargo.lock
index 42cd83159cc..02c2e4fbf8f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -283,11 +283,6 @@ name = "build_const"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "byte-slice-cast"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "byte-slice-cast"
 version = "0.2.0"
@@ -3276,7 +3271,7 @@ dependencies = [
 [[package]]
 name = "servo-media"
 version = "0.1.0"
-source = "git+https://github.com/servo/media#dde50e236e655ce664c637046dce5ccbba1f2ff0"
+source = "git+https://github.com/servo/media#f52c1c677a757cb8435d9e4c77680473d32c4aab"
 dependencies = [
  "servo-media-audio 0.1.0 (git+https://github.com/servo/media)",
  "servo-media-gstreamer 0.1.0 (git+https://github.com/servo/media)",
@@ -3286,9 +3281,9 @@ dependencies = [
 [[package]]
 name = "servo-media-audio"
 version = "0.1.0"
-source = "git+https://github.com/servo/media#dde50e236e655ce664c637046dce5ccbba1f2ff0"
+source = "git+https://github.com/servo/media#f52c1c677a757cb8435d9e4c77680473d32c4aab"
 dependencies = [
- "byte-slice-cast 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-slice-cast 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3299,7 +3294,7 @@ dependencies = [
 [[package]]
 name = "servo-media-gstreamer"
 version = "0.1.0"
-source = "git+https://github.com/servo/media#dde50e236e655ce664c637046dce5ccbba1f2ff0"
+source = "git+https://github.com/servo/media#f52c1c677a757cb8435d9e4c77680473d32c4aab"
 dependencies = [
  "byte-slice-cast 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glib 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3317,7 +3312,7 @@ dependencies = [
 [[package]]
 name = "servo-media-player"
 version = "0.1.0"
-source = "git+https://github.com/servo/media#dde50e236e655ce664c637046dce5ccbba1f2ff0"
+source = "git+https://github.com/servo/media#f52c1c677a757cb8435d9e4c77680473d32c4aab"
 dependencies = [
  "ipc-channel 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3403,7 +3398,7 @@ dependencies = [
 [[package]]
 name = "servo_media_derive"
 version = "0.1.0"
-source = "git+https://github.com/servo/media#dde50e236e655ce664c637046dce5ccbba1f2ff0"
+source = "git+https://github.com/servo/media#f52c1c677a757cb8435d9e4c77680473d32c4aab"
 dependencies = [
  "quote 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4343,7 +4338,6 @@ dependencies = [
 "checksum brotli 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fe87b40996b84fdc56e57c165d93079f4b50cb806598118e692ddfaa3d3c57c0"
 "checksum brotli-decompressor 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "313f4b6cc0b365d6b88eda5aa40175ee34ac6efa9a79e0b3b8202eca90247ba8"
 "checksum build_const 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
-"checksum byte-slice-cast 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a865e7bfa6c3b79216ccba767d4dc66e4f9f65f1ed4639e73faff3c4a2485d7"
 "checksum byte-slice-cast 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "28346c117b50270785fbc123bd6e4ecad20d0c6d5f43d081dc80a3abcc62be64"
 "checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23"
 "checksum bytes 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1b7db437d718977f6dc9b2e3fd6fc343c02ac6b899b73fdd2179163447bd9ce9"
diff --git a/components/script/dom/audiodestinationnode.rs b/components/script/dom/audiodestinationnode.rs
index b541dac20f9..eb3f0873156 100644
--- a/components/script/dom/audiodestinationnode.rs
+++ b/components/script/dom/audiodestinationnode.rs
@@ -5,8 +5,8 @@
 use dom::audionode::{AudioNode, MAX_CHANNEL_COUNT};
 use dom::baseaudiocontext::BaseAudioContext;
 use dom::bindings::codegen::Bindings::AudioDestinationNodeBinding::{self, AudioDestinationNodeMethods};
-use dom::bindings::codegen::Bindings::AudioNodeBinding::AudioNodeOptions;
 use dom::bindings::codegen::Bindings::AudioNodeBinding::{ChannelCountMode, ChannelInterpretation};
+use dom::bindings::codegen::Bindings::AudioNodeBinding::AudioNodeOptions;
 use dom::bindings::reflector::reflect_dom_object;
 use dom::bindings::root::DomRoot;
 use dom::globalscope::GlobalScope;
diff --git a/servo-tidy.toml b/servo-tidy.toml
index 2645cf31588..9c78dc5c5f6 100644
--- a/servo-tidy.toml
+++ b/servo-tidy.toml
@@ -45,6 +45,8 @@ packages = [
   #TODO: remove ipc-channel when #21325 lands
   "ipc-channel",
   "log",
+  #TODO: remove num-rational when https://github.com/PistonDevelopers/image/pull/809 is merged.
+  "num-rational",
   "rand",
   "winapi",
   # TODO: remove slab when #21426 lands