diff --git a/Cargo.lock b/Cargo.lock
index 2b304ba3915..f019a379a12 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -394,7 +394,7 @@ dependencies = [
  "azure 0.36.1 (git+https://github.com/servo/rust-azure)",
  "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "canvas_traits 0.0.1",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "embedder_traits 0.0.1",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -419,7 +419,7 @@ dependencies = [
 name = "canvas_traits"
 version = "0.0.1"
 dependencies = [
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -430,7 +430,7 @@ dependencies = [
  "serde_bytes 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_config 0.0.1",
  "sparkle 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "typetag 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typetag 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_api 0.60.0 (git+https://github.com/servo/webrender)",
  "webvr_traits 0.0.1",
  "webxr-api 0.0.1 (git+https://github.com/servo/webxr)",
@@ -447,16 +447,16 @@ dependencies = [
 
 [[package]]
 name = "cbindgen"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -792,33 +792,33 @@ dependencies = [
 
 [[package]]
 name = "cssparser"
-version = "0.25.8"
+version = "0.25.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser-macros 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser-macros 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "dtoa-short 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "procedural-masquerade 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cssparser-macros"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "phf_codegen 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "procedural-masquerade 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -826,58 +826,57 @@ name = "cstr"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cstr-macros 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cstr-macros 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "procedural-masquerade 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cstr-macros"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "procedural-masquerade 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ctor"
-version = "0.1.9"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "darling"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_core 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_macro 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "darling_core"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ident_case 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "darling_macro"
-version = "0.9.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling_core 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -911,8 +910,8 @@ dependencies = [
 name = "deny_public_fields"
 version = "0.0.1"
 dependencies = [
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -936,11 +935,11 @@ dependencies = [
 name = "derive_common"
 version = "0.0.1"
 dependencies = [
- "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -971,7 +970,7 @@ version = "0.0.1"
 dependencies = [
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "devtools_traits 0.0.1",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "headers-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1029,17 +1028,17 @@ dependencies = [
 name = "dom_struct"
 version = "0.0.1"
 dependencies = [
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "domobject_derive"
 version = "0.0.1"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1148,20 +1147,20 @@ dependencies = [
 
 [[package]]
 name = "enum-iterator"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "enum-iterator-derive 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enum-iterator-derive 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "enum-iterator-derive"
-version = "0.2.3"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1417,7 +1416,7 @@ dependencies = [
  "unicode-script 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_api 0.60.0 (git+https://github.com/servo/webrender)",
  "xi-unicode 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "xml5ever 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xml5ever 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1432,12 +1431,12 @@ dependencies = [
 
 [[package]]
 name = "ghost"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1611,7 +1610,7 @@ dependencies = [
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "muldiv 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1906,14 +1905,13 @@ dependencies = [
 
 [[package]]
 name = "headers"
-version = "0.2.1"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "headers-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "headers-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1929,16 +1927,6 @@ dependencies = [
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "headers-derive"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "heartbeats-simple"
 version = "0.4.0"
@@ -1970,15 +1958,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "html5ever"
-version = "0.23.0"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "markup5ever 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "markup5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2067,7 +2055,7 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2147,22 +2135,22 @@ dependencies = [
 
 [[package]]
 name = "inventory"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ctor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "ghost 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "inventory-impl 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ghost 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inventory-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "inventory-impl"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2256,9 +2244,9 @@ dependencies = [
 name = "jstraceable_derive"
 version = "0.0.1"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2291,7 +2279,7 @@ dependencies = [
  "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx 0.0.1",
  "gfx_traits 0.0.1",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2331,7 +2319,7 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx 0.0.1",
@@ -2368,7 +2356,7 @@ dependencies = [
  "gfx 0.0.1",
  "gfx_traits 0.0.1",
  "histogram 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "layout_2013 0.0.1",
  "layout_traits 0.0.1",
@@ -2414,7 +2402,7 @@ dependencies = [
  "gfx 0.0.1",
  "gfx_traits 0.0.1",
  "histogram 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "layout_2020 0.0.1",
  "layout_traits 0.0.1",
@@ -2689,7 +2677,7 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashglobe 0.1.0",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2707,7 +2695,7 @@ dependencies = [
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_api 0.60.0 (git+https://github.com/servo/webrender)",
- "xml5ever 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xml5ever 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2730,7 +2718,7 @@ dependencies = [
 
 [[package]]
 name = "markup5ever"
-version = "0.8.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2999,7 +2987,7 @@ dependencies = [
  "embedder_traits 0.0.1",
  "flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "headers-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3056,7 +3044,7 @@ version = "0.0.1"
 dependencies = [
  "cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "embedder_traits 0.0.1",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "headers-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3327,22 +3315,22 @@ dependencies = [
 
 [[package]]
 name = "paste"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "paste-impl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "paste-impl"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro-hack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3889,18 +3877,18 @@ dependencies = [
  "cmake 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "deny_public_fields 0.0.1",
  "devtools_traits 0.0.1",
  "dom_struct 0.0.1",
  "domobject_derive 0.0.1",
  "embedder_traits 0.0.1",
  "encoding_rs 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "enum-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "enum-iterator 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper_serde 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3958,7 +3946,7 @@ dependencies = [
  "tendril 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinyfiledialogs 3.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "typetag 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typetag 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf-8 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3967,7 +3955,7 @@ dependencies = [
  "webrender_api 0.60.0 (git+https://github.com/servo/webrender)",
  "webvr_traits 0.0.1",
  "webxr-api 0.0.1 (git+https://github.com/servo/webxr)",
- "xml5ever 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xml5ever 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3978,10 +3966,10 @@ dependencies = [
  "atomic_refcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "canvas_traits 0.0.1",
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "gfx_traits 0.0.1",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
  "malloc_size_of 0.0.1",
@@ -4067,7 +4055,7 @@ name = "selectors"
 version = "0.21.0"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4420,7 +4408,6 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_config_plugins 0.0.1",
  "servo_geometry 0.0.1",
@@ -4434,9 +4421,9 @@ name = "servo_config_plugins"
 version = "0.0.1"
 dependencies = [
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4565,7 +4552,7 @@ name = "simpleservo_capi"
 version = "0.0.1"
 dependencies = [
  "backtrace 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "cbindgen 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cbindgen 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4725,14 +4712,14 @@ dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding_rs 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fallible 0.0.1",
  "fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashglobe 0.1.0",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4779,12 +4766,12 @@ dependencies = [
 name = "style_derive"
 version = "0.0.1"
 dependencies = [
- "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_common 0.0.1",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4793,9 +4780,9 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "selectors 0.21.0",
  "serde_json 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4815,7 +4802,7 @@ version = "0.0.1"
 dependencies = [
  "app_units 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "malloc_size_of 0.0.1",
@@ -4876,6 +4863,17 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "take_mut"
 version = "0.2.2"
@@ -4995,7 +4993,7 @@ dependencies = [
 name = "to_shmem"
 version = "0.0.1"
 dependencies = [
- "cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_arc 0.1.1",
  "smallbitvec 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5008,12 +5006,12 @@ dependencies = [
 name = "to_shmem_derive"
 version = "0.0.1"
 dependencies = [
- "darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "darling 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_common 0.0.1",
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5230,24 +5228,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "typetag"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "inventory 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inventory 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.88 (registry+https://github.com/rust-lang/crates.io-index)",
- "typetag-impl 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typetag-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "typetag-impl"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5418,7 +5416,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "headers 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5846,12 +5844,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "xml5ever"
-version = "0.14.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "markup5ever 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "markup5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5913,7 +5911,7 @@ dependencies = [
 "checksum bzip2 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
 "checksum bzip2-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6584aa36f5ad4c9247f5323b0a42f37802b37a836f0ad87084d7a33961abe25f"
 "checksum caseless 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "808dab3318747be122cb31d36de18d4d1c81277a76f8332a02b81a3d73463d7f"
-"checksum cbindgen 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0e7e19db9a3892c88c74cbbdcd218196068a928f1b60e736c448b13a1e81f277"
+"checksum cbindgen 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9daec6140ab4dcd38c3dd57e580b59a621172a526ac79f1527af760a55afeafd"
 "checksum cc 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)" = "5e5f3fee5eeb60324c2781f1e41286bdee933850fff9b3c672587fed5ec58c83"
 "checksum cesu8 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 "checksum cexpr 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8fc0086be9ca82f7fc89fc873435531cb898b86e850005850de1f820e2db6e9b"
@@ -5942,14 +5940,14 @@ dependencies = [
 "checksum crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fedcd6772e37f3da2a9af9bf12ebe046c0dfe657992377b4df982a2b54cd37a9"
 "checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
 "checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
-"checksum cssparser 0.25.8 (registry+https://github.com/rust-lang/crates.io-index)" = "629648697bc0002c30e9e3775314e18d02935f43ecc8fa224140f40e8ffc7bb1"
-"checksum cssparser-macros 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "b16e382d9b983fdb9ac6a36b37fdeb84ce3ea81f749febfee3463cfa7f24275e"
+"checksum cssparser 0.25.9 (registry+https://github.com/rust-lang/crates.io-index)" = "fbe18ca4efb9ba3716c6da66cc3d7e673bf59fa576353011f48c4cfddbdd740e"
+"checksum cssparser-macros 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "5bb1c84e87c717666564ec056105052331431803d606bd45529b28547b611eef"
 "checksum cstr 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "19f7a08ed4ecd7e077d4cee63937473e6f7cf57b702a9114ef41751b2cbc0f60"
-"checksum cstr-macros 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0f12dd847ec773fc98d75edba5394cb87d0f35e7ee548a4c81849ca6374b3d48"
-"checksum ctor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3b4c17619643c1252b5f690084b82639dd7fac141c57c8e77a00e0148132092c"
-"checksum darling 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fcfbcb0c5961907597a7d1148e3af036268f2b773886b8bb3eeb1e1281d3d3d6"
-"checksum darling_core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6afc018370c3bff3eb51f89256a6bdb18b4fdcda72d577982a14954a7a0b402c"
-"checksum darling_macro 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6d8dac1c6f1d29a41c4712b4400f878cb4fcc4c7628f298dd75038e024998d1"
+"checksum cstr-macros 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "cd670e5ff58768ef624207fb95709ce63b8d05573fb9a05165f0eef471ea6a3a"
+"checksum ctor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "3e061727ebef83bbccac7c27b9a5ff9fd83094d34cb20f4005440a9562a27de7"
+"checksum darling 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3fe629a532efad5526454efb0700f86d5ad7ff001acb37e431c8bf017a432a8e"
+"checksum darling_core 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ee54512bec54b41cf2337a22ddfadb53c7d4c738494dc2a186d7b037ad683b85"
+"checksum darling_macro 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0cd3e432e52c0810b72898296a69d66b1d78d1517dff6cde7a130557a55a62c1"
 "checksum dbus 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3d975a175aa2dced1a6cd410b89a1bf23918f301eab2b6f7c5e608291b757639"
 "checksum deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)" = "8a6abb26e16e8d419b5c78662aa9f82857c2386a073da266840e474d5055ec86"
 "checksum derivative 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6073e9676dbebdddeabaeb63e3b7cefd23c86f5c41d381ee1237cc77b1079898"
@@ -5969,8 +5967,8 @@ dependencies = [
 "checksum energymon-builder 0.3.0 (git+https://github.com/energymon/energymon-sys.git)" = "<none>"
 "checksum energymon-default-sys 0.3.0 (git+https://github.com/energymon/energymon-sys.git)" = "<none>"
 "checksum energymon-sys 0.3.0 (git+https://github.com/energymon/energymon-sys.git)" = "<none>"
-"checksum enum-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85012092e543e198a02f3ac3d587798253e8ec374bc9c3d7da5319cf579ea4c6"
-"checksum enum-iterator-derive 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "293ee6af5f9349c2594a7c867b7c89347fb939415508e6367a19bd246ffc08d8"
+"checksum enum-iterator 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0fdb0aac423d2d59cc8b22de1ebd0db7f8d07382b8189945c89ab882a1c659b5"
+"checksum enum-iterator-derive 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1df9d0cef4b051baf3ef7f9b1674273dc78cd56e02cba60fa187f9c0ff4ff5e0"
 "checksum env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "afb070faf94c85d17d50ca44f6ad076bce18ae92f0037d350947240a36e9d42e"
 "checksum erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3beee4bc16478a1b26f2e80ad819a52d24745e292f521a63c16eea5f74b7eb60"
 "checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
@@ -5996,7 +5994,7 @@ dependencies = [
 "checksum gaol 0.2.0 (git+https://github.com/servo/gaol)" = "<none>"
 "checksum generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c0f28c2f5bfb5960175af447a2da7c18900693738343dc896ffbcabd9839592"
 "checksum getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)" = "b900c08c1939860ce8b54dc6a89e26e00c04c380fd0e09796799bd7f12861e05"
-"checksum ghost 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5297b71943dc9fea26a3241b178c140ee215798b7f79f7773fd61683e25bca74"
+"checksum ghost 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a36606a68532b5640dc86bb1f33c64b45c4682aad4c50f3937b317ea387f3d6"
 "checksum gif 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff3414b424657317e708489d2857d9575f4403698428b040b609b9d1c1a84a2c"
 "checksum gl_generator 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "39a23d5e872a275135d66895d954269cf5e8661d234eb1c2480f4ce0d586acbd"
 "checksum gl_generator 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ca98bbde17256e02d17336a6bdb5a50f7d0ccacee502e191d3e3d0ec2f96f84a"
@@ -6035,14 +6033,13 @@ dependencies = [
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 "checksum half 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "63d68db75012a85555434ee079e7e6337931f87a087ab2988becbadf64673a7f"
 "checksum harfbuzz-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e1042ab0b3e7bc1ff64f7f5935778b644ff2194a1cae5ec52167127d3fd23961"
-"checksum headers 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc6e2e51d356081258ef05ff4c648138b5d3fe64b7300aaad3b820554a2b7fb6"
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 "checksum headers-core 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "967131279aaa9f7c20c7205b45a391638a83ab118e6509b2d0ccbe08de044237"
-"checksum headers-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97c462e8066bca4f0968ddf8d12de64c40f2c2187b3b9a2fa994d06e8ad444a9"
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 "checksum heartbeats-simple-sys 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e1a408c0011427cc0e0049f7861c70377819aedfc006e8c901b1c70fd98fb1a4"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
 "checksum histogram 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "1bdcec4094c1ca961b685384ea7af76af5718230b3f34657d1a71fd2dcf4cc9d"
-"checksum html5ever 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5ce65ac8028cf5a287a7dbf6c4e0a6cf2dcf022ed5b167a81bae66ebf599a8b7"
+"checksum html5ever 0.24.1 (registry+https://github.com/rust-lang/crates.io-index)" = "025483b0a1e4577bb28578318c886ee5f817dda6eb62473269349044406644cb"
 "checksum http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "eed324f0f0daf6ec10c474f150505af2c143f251722bf9dbd1261bd1f2ee2c1a"
 "checksum http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6741c859c1b2463a423a1dbce98d418e6c3c3fc720fb0d45528657320920292d"
 "checksum httparse 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7b6288d7db100340ca12873fd4d08ad1b8f206a9457798dfb17c018a33fee540"
@@ -6057,8 +6054,8 @@ dependencies = [
 "checksum indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7e81a7c05f79578dbc15793d8b619db9ba32b4577003ef3af1a91c416798c58d"
 "checksum inflate 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6f53b811ee8e2057ccf9643ca6b4277de90efaf5e61e55fd5254576926bb4245"
 "checksum influent 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "87fdeaaa9b5aacb83901de1bb66b32ec574a327758657404c1edf06f5a6ac0f0"
-"checksum inventory 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "21df85981fe094480bc2267723d3dc0fd1ae0d1f136affc659b7398be615d922"
-"checksum inventory-impl 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8a877ae8bce77402d5e9ed870730939e097aad827b2a932b361958fa9d6e75aa"
+"checksum inventory 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f4cece20baea71d9f3435e7bbe9adf4765f091c5fe404975f844006964a71299"
+"checksum inventory-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c2869bf972e998977b1cb87e60df70341d48e48dca0823f534feb91ea44adaf9"
 "checksum io-surface 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5f9a33981dff54baaff80f4decb487a65d148a3c00facc97820d0f09128f74dd"
 "checksum iovec 0.1.3 (git+https://github.com/servo/iovec.git?branch=servo)" = "<none>"
 "checksum ipc-channel 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "79d98ee7dd1d2e796d254807fd86ea7189d07571aeaa74007603e29a79d15217"
@@ -6091,7 +6088,7 @@ dependencies = [
 "checksum mach 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "86dd2487cdfea56def77b88438a2c915fb45113c5319bfe7e14306ca4cd0b0e1"
 "checksum malloc_buf 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
 "checksum malloc_size_of_derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "35adee9ed962cf7d07d62cb58bc45029f3227f5b5b86246caa8632f06c187bc3"
-"checksum markup5ever 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f1af46a727284117e09780d05038b1ce6fc9c76cc6df183c3dae5a8955a25e21"
+"checksum markup5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "65381d9d47506b8592b97c4efd936afcf673b09b059f2bef39c7211ee78b9d03"
 "checksum matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "efd7622e3022e1a6eaa602c4cea8912254e5582c9c692e9167714182244801b1"
 "checksum memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2efc7bc57c883d4a4d6e3246905283d8dae951bb3bd32f49d6ef297f546e1c39"
 "checksum memmap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
@@ -6140,8 +6137,8 @@ dependencies = [
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
 "checksum parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
 "checksum parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
-"checksum paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "1f4a4a1c555c6505821f9d58b8779d0f630a6b7e4e1be24ba718610acf01fa79"
-"checksum paste-impl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "26e796e623b8b257215f27e6c80a5478856cae305f5b59810ff9acdaa34570e6"
+"checksum paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "423a519e1c6e828f1e73b720f9d9ed2fa643dce8a7737fb43235ce0b41eeaa49"
+"checksum paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4214c9e912ef61bf42b81ba9a47e8aad1b2ffaf739ab162bf96d1e011f54e6c5"
 "checksum peek-poke 0.2.0 (git+https://github.com/servo/webrender)" = "<none>"
 "checksum peek-poke-derive 0.2.0 (git+https://github.com/servo/webrender)" = "<none>"
 "checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
@@ -6247,6 +6244,7 @@ dependencies = [
 "checksum syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)" = "b4d960b829a55e56db167e861ddb43602c003c7be0bee1d345021703fac2fb7c"
 "checksum syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "158521e6f544e7e3dcfc370ac180794aa38cb34a1b1e07609376d4adcf429b93"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
+"checksum synstructure 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "affc27d5f1764f7487bafeb41e380664790716e38ba45d8487bddcc53e79f0f6"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum tempfile 3.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7dc4738f2e68ed2855de5ac9cdbe05c9216773ecde4739b2f095002ab03a13ef"
 "checksum tendril 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "707feda9f2582d5d680d733e38755547a3e8fb471e7ba11452ecfd9ce93a5d3b"
@@ -6280,8 +6278,8 @@ dependencies = [
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 "checksum typed-arena 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c6c06a92aef38bb4dc5b0df00d68496fc31307c5344c867bb61678c6e1671ec5"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
-"checksum typetag 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7573a67ebbc8696e879d902067bc278671b7502abd8604b7336d87efd47e5858"
-"checksum typetag-impl 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef49605e1070ec194bd9d2c360a975d47ba164460de183cbc53aa1be8c4db6dc"
+"checksum typetag 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6ebb2c484029d695fb68a06d80e1536c68d491b3e0cf874c66abed255e831cfe"
+"checksum typetag-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b63fd4799e4d0ec5cf0b055ebb8e2c3a657bbf76a84f6edc77ca60780e000204"
 "checksum ucd 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fe4fa6e588762366f1eb4991ce59ad1b93651d0b769dfb4e4d1c5c4b943d1159"
 "checksum ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd2be2d6639d0f8fe6cdda291ad456e23629558d466e2789d2c3e9892bda285d"
 "checksum uluru 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d2606e9192f308ddc4f0b3c5d1bf3400e28a70fff956e9d9f46d23b094746d9f"
@@ -6337,5 +6335,5 @@ dependencies = [
 "checksum xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a66b7c2281ebde13cf4391d70d4c7e5946c3c25e72a7b859ca8f677dcd0b0c61"
 "checksum xi-unicode 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "12ea8eda4b1eb72f02d148402e23832d56a33f55d8c1b2d5bcdde91d79d47cb1"
 "checksum xml-rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "541b12c998c5b56aa2b4e6f18f03664eef9a4fd0a246a55594efae6cc2d964b5"
-"checksum xml5ever 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "223da27bde8f2c691b02610c12b18f3bbfa60eac238a3ba55afb3d4175ce0ada"
+"checksum xml5ever 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2b93ca59bfbbc3c0f807a61faea54e6a4c753f82857d3730e9afb5523b6149c7"
 "checksum zip 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "77ce0ceee93c995954a31f77903925a6a8bb094709445238e344f2107910e29e"
diff --git a/components/config/Cargo.toml b/components/config/Cargo.toml
index 274c4cc4492..24318089e01 100644
--- a/components/config/Cargo.toml
+++ b/components/config/Cargo.toml
@@ -20,8 +20,7 @@ getopts = "0.2.11"
 lazy_static = "1"
 log = "0.4"
 num_cpus = "1.1.0"
-serde = "1.0"
-serde_derive = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 servo_geometry = {path = "../geometry"}
 servo_url = {path = "../url"}
diff --git a/components/config/tests/prefs.rs b/components/config/tests/prefs.rs
index bcaa5f5bb0e..fd42bf7e047 100644
--- a/components/config/tests/prefs.rs
+++ b/components/config/tests/prefs.rs
@@ -3,7 +3,7 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 #[macro_use]
-extern crate serde_derive;
+extern crate serde;
 
 use servo_config::basedir;
 use servo_config::pref_util::Preferences;
diff --git a/components/config_plugins/Cargo.toml b/components/config_plugins/Cargo.toml
index db94f48beec..3399e907039 100644
--- a/components/config_plugins/Cargo.toml
+++ b/components/config_plugins/Cargo.toml
@@ -12,8 +12,7 @@ proc-macro = true
 path = "lib.rs"
 
 [dependencies]
-syn = "0.15"
-quote = "0.6"
-proc-macro2 = "0.4"
+syn = { version = "1", default-features = false, features = ["clone-impls", "parsing"] }
+quote = "1"
+proc-macro2 = "1"
 itertools = "0.8"
-
diff --git a/components/config_plugins/lib.rs b/components/config_plugins/lib.rs
index b93542d737b..bd2ae2ca6e5 100644
--- a/components/config_plugins/lib.rs
+++ b/components/config_plugins/lib.rs
@@ -196,15 +196,15 @@ impl Field {
 
 fn attr_to_pref_name(attr: &Attribute) -> Option<LitStr> {
     attr.parse_meta().ok().and_then(|meta| {
-        if let Meta::List(MetaList { ident, nested, .. }) = meta {
-            if ident.to_string() == "serde" {
+        if let Meta::List(MetaList { path, nested, .. }) = meta {
+            if path.is_ident("serde") {
                 if let Some(NestedMeta::Meta(Meta::NameValue(MetaNameValue {
-                    ref ident,
+                    ref path,
                     lit: Lit::Str(val),
                     ..
                 }))) = nested.iter().next()
                 {
-                    if ident.to_string() == "rename" {
+                    if path.is_ident("rename") {
                         return Some(val.clone());
                     }
                 }
diff --git a/components/deny_public_fields/Cargo.toml b/components/deny_public_fields/Cargo.toml
index 48fd07402c2..36141af57b2 100644
--- a/components/deny_public_fields/Cargo.toml
+++ b/components/deny_public_fields/Cargo.toml
@@ -11,5 +11,5 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-syn = "0.15"
-synstructure = "0.10"
+syn = { version = "1", default-features = false, features = ["derive", "parsing"] }
+synstructure = "0.12"
diff --git a/components/derive_common/Cargo.toml b/components/derive_common/Cargo.toml
index a9b478ecd5b..411219810de 100644
--- a/components/derive_common/Cargo.toml
+++ b/components/derive_common/Cargo.toml
@@ -9,8 +9,8 @@ publish = false
 path = "lib.rs"
 
 [dependencies]
-darling = "0.9"
-proc-macro2 = "0.4"
-quote = "0.6"
-syn = { version = "0.15", features = ["visit"] }
-synstructure = "0.10"
+darling = { version = "0.10", default-features = false }
+proc-macro2 = "1"
+quote = "1"
+syn = { version = "1", default-features = false, features = ["clone-impls", "parsing"] }
+synstructure = "0.12"
diff --git a/components/dom_struct/Cargo.toml b/components/dom_struct/Cargo.toml
index 3af3c6127c9..211ad92cbb0 100644
--- a/components/dom_struct/Cargo.toml
+++ b/components/dom_struct/Cargo.toml
@@ -6,8 +6,8 @@ publish = false
 version = "0.0.1"
 
 [dependencies]
-quote = "0.6.3"
-syn = { version = "0.15", features = ["full"] }
+quote = "1"
+syn = { version = "1", default-features = false, features = ["clone-impls", "parsing"] }
 
 [lib]
 path = "lib.rs"
diff --git a/components/dom_struct/lib.rs b/components/dom_struct/lib.rs
index 59a3cf8072c..f316a6f22bb 100644
--- a/components/dom_struct/lib.rs
+++ b/components/dom_struct/lib.rs
@@ -35,11 +35,7 @@ pub fn dom_struct(args: TokenStream, input: TokenStream) -> TokenStream {
             return quote!(#s2).into();
         }
         if let Fields::Named(ref f) = s.fields {
-            let f = f
-                .named
-                .first()
-                .expect("Must have at least one field")
-                .into_value();
+            let f = f.named.first().expect("Must have at least one field");
             let ident = f.ident.as_ref().expect("Must have named fields");
             let name = &s.ident;
             let ty = &f.ty;
diff --git a/components/domobject_derive/Cargo.toml b/components/domobject_derive/Cargo.toml
index 84a8783818f..dcf99046daf 100644
--- a/components/domobject_derive/Cargo.toml
+++ b/components/domobject_derive/Cargo.toml
@@ -11,6 +11,6 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "0.4"
-syn = "0.15"
-quote = "0.6"
+proc-macro2 = "1"
+syn = { version = "1", default-features = false, features = ["clone-impls", "derive", "parsing"] }
+quote = "1"
diff --git a/components/gfx/Cargo.toml b/components/gfx/Cargo.toml
index fb30cd5c258..a27ffcdab15 100644
--- a/components/gfx/Cargo.toml
+++ b/components/gfx/Cargo.toml
@@ -56,7 +56,7 @@ servo_allocator = {path = "../allocator"}
 servo-fontconfig = "0.4"
 
 [target.'cfg(target_os = "android")'.dependencies]
-xml5ever = {version = "0.14"}
+xml5ever = {version = "0.15"}
 
 [target.'cfg(target_os = "windows")'.dependencies]
 dwrote = "0.9"
diff --git a/components/jstraceable_derive/Cargo.toml b/components/jstraceable_derive/Cargo.toml
index 33513b43df5..452d1833a3b 100644
--- a/components/jstraceable_derive/Cargo.toml
+++ b/components/jstraceable_derive/Cargo.toml
@@ -11,6 +11,6 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "0.4"
-syn = "0.15"
-synstructure = "0.10"
+proc-macro2 = "1"
+syn = { version = "1", default-features = false, features = ["clone-impls", "derive", "parsing"] }
+synstructure = "0.12"
diff --git a/components/layout/Cargo.toml b/components/layout/Cargo.toml
index d8228fb3982..7409a9fc2eb 100644
--- a/components/layout/Cargo.toml
+++ b/components/layout/Cargo.toml
@@ -24,7 +24,7 @@ fnv = "1.0"
 fxhash = "0.2"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
-html5ever = "0.23"
+html5ever = "0.24"
 ipc-channel = "0.12"
 lazy_static = "1"
 libc = "0.2"
diff --git a/components/layout_thread/Cargo.toml b/components/layout_thread/Cargo.toml
index 41674053350..3d44f130830 100644
--- a/components/layout_thread/Cargo.toml
+++ b/components/layout_thread/Cargo.toml
@@ -21,7 +21,7 @@ fxhash = "0.2"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
 histogram = "0.6.8"
-html5ever = "0.23"
+html5ever = "0.24"
 ipc-channel = "0.12"
 layout = {path = "../layout", package = "layout_2013"}
 layout_traits = {path = "../layout_traits"}
diff --git a/components/layout_thread_2020/Cargo.toml b/components/layout_thread_2020/Cargo.toml
index 7cc013fa6cf..d883f80558e 100644
--- a/components/layout_thread_2020/Cargo.toml
+++ b/components/layout_thread_2020/Cargo.toml
@@ -21,7 +21,7 @@ fxhash = "0.2"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
 histogram = "0.6.8"
-html5ever = "0.23"
+html5ever = "0.24"
 ipc-channel = "0.12"
 layout = {path = "../layout_2020", package = "layout_2020"}
 layout_traits = {path = "../layout_traits"}
diff --git a/components/malloc_size_of/Cargo.toml b/components/malloc_size_of/Cargo.toml
index cee59ed2c73..713d2d59fef 100644
--- a/components/malloc_size_of/Cargo.toml
+++ b/components/malloc_size_of/Cargo.toml
@@ -43,5 +43,5 @@ thin-slice = "0.1.0"
 time = { version = "0.1.17", optional = true }
 url = { version = "2.0", optional = true }
 webrender_api = { git = "https://github.com/servo/webrender", features = ["ipc"], optional = true }
-xml5ever = { version = "0.14", optional = true }
+xml5ever = { version = "0.15", optional = true }
 void = "1.0.2"
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index 7df8d9ced1a..6eec808b8df 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -50,11 +50,11 @@ dom_struct = {path = "../dom_struct"}
 domobject_derive = {path = "../domobject_derive"}
 embedder_traits = {path = "../embedder_traits"}
 encoding_rs = "0.8"
-enum-iterator = "0.2.0"
+enum-iterator = "0.3"
 euclid = "0.20"
 fnv = "1.0"
 headers = "0.2"
-html5ever = "0.23"
+html5ever = "0.24"
 http = "0.1"
 hyper = "0.12"
 hyper_serde = "0.11"
@@ -112,7 +112,7 @@ unicode-segmentation = "1.1.0"
 url = "2.0"
 utf-8 = "0.7"
 uuid = {version = "0.7", features = ["v4"]}
-xml5ever = {version = "0.14"}
+xml5ever = {version = "0.15"}
 webdriver = "0.40"
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 webvr_traits = {path = "../webvr_traits"}
diff --git a/components/script_layout_interface/Cargo.toml b/components/script_layout_interface/Cargo.toml
index 652b4e87392..38b8fa4b22e 100644
--- a/components/script_layout_interface/Cargo.toml
+++ b/components/script_layout_interface/Cargo.toml
@@ -18,7 +18,7 @@ cssparser = "0.25"
 crossbeam-channel = "0.3"
 euclid = "0.20"
 gfx_traits = {path = "../gfx_traits"}
-html5ever = "0.23"
+html5ever = "0.24"
 ipc-channel = "0.12"
 libc = "0.2"
 time = "0.1.17"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index 2c27660a572..e8b70fe02d0 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -41,7 +41,7 @@ euclid = "0.20"
 fallible = { path = "../fallible" }
 fxhash = "0.2"
 hashglobe = { path = "../hashglobe" }
-html5ever = {version = "0.23", optional = true}
+html5ever = {version = "0.24", optional = true}
 indexmap = "1.0"
 itertools = "0.8"
 itoa = "0.4"
diff --git a/components/style_derive/Cargo.toml b/components/style_derive/Cargo.toml
index fcc17f34ce5..af8fa41aa75 100644
--- a/components/style_derive/Cargo.toml
+++ b/components/style_derive/Cargo.toml
@@ -10,9 +10,9 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-darling = "0.9"
+darling = { version = "0.10", default-features = false }
 derive_common = { path = "../derive_common" }
-proc-macro2 = "0.4"
-quote = "0.6"
-syn = { version = "0.15", features = ["visit"] }
-synstructure = "0.10"
+proc-macro2 = "1"
+quote = "1"
+syn = { version = "1", default-features = false, features = ["clone-impls", "derive", "parsing"] }
+synstructure = "0.12"
diff --git a/components/style_derive/animate.rs b/components/style_derive/animate.rs
index 16c3ee12272..4d8581a8f2b 100644
--- a/components/style_derive/animate.rs
+++ b/components/style_derive/animate.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 https://mozilla.org/MPL/2.0/. */
 
-use darling::util::IdentList;
+use darling::util::PathList;
 use derive_common::cg;
 use proc_macro2::TokenStream;
 use quote::TokenStreamExt;
@@ -14,7 +14,7 @@ pub fn derive(mut input: DeriveInput) -> TokenStream {
     let no_bound = animation_input_attrs.no_bound.unwrap_or_default();
     let mut where_clause = input.generics.where_clause.take();
     for param in input.generics.type_params() {
-        if !no_bound.contains(&param.ident) {
+        if !no_bound.iter().any(|name| name.is_ident(&param.ident)) {
             cg::add_predicate(
                 &mut where_clause,
                 parse_quote!(#param: crate::values::animated::Animate),
@@ -124,7 +124,7 @@ struct AnimateInputAttrs {
 #[darling(attributes(animation), default)]
 #[derive(Default, FromDeriveInput)]
 pub struct AnimationInputAttrs {
-    pub no_bound: Option<IdentList>,
+    pub no_bound: Option<PathList>,
 }
 
 #[darling(attributes(animation), default)]
@@ -133,7 +133,7 @@ pub struct AnimationVariantAttrs {
     pub error: bool,
     // Only here because of structs, where the struct definition acts as a
     // variant itself.
-    pub no_bound: Option<IdentList>,
+    pub no_bound: Option<PathList>,
 }
 
 #[darling(attributes(animation), default)]
diff --git a/components/style_derive/compute_squared_distance.rs b/components/style_derive/compute_squared_distance.rs
index 68c8fdec4c5..9c5f7ec80d1 100644
--- a/components/style_derive/compute_squared_distance.rs
+++ b/components/style_derive/compute_squared_distance.rs
@@ -14,7 +14,7 @@ pub fn derive(mut input: DeriveInput) -> TokenStream {
     let no_bound = animation_input_attrs.no_bound.unwrap_or_default();
     let mut where_clause = input.generics.where_clause.take();
     for param in input.generics.type_params() {
-        if !no_bound.contains(&param.ident) {
+        if !no_bound.iter().any(|name| name.is_ident(&param.ident)) {
             cg::add_predicate(
                 &mut where_clause,
                 parse_quote!(#param: crate::values::distance::ComputeSquaredDistance),
diff --git a/components/style_derive/to_animated_zero.rs b/components/style_derive/to_animated_zero.rs
index 6f0c2fe7ff2..008e94cbcfb 100644
--- a/components/style_derive/to_animated_zero.rs
+++ b/components/style_derive/to_animated_zero.rs
@@ -14,7 +14,7 @@ pub fn derive(mut input: syn::DeriveInput) -> TokenStream {
     let no_bound = animation_input_attrs.no_bound.unwrap_or_default();
     let mut where_clause = input.generics.where_clause.take();
     for param in input.generics.type_params() {
-        if !no_bound.contains(&param.ident) {
+        if !no_bound.iter().any(|name| name.is_ident(&param.ident)) {
             cg::add_predicate(
                 &mut where_clause,
                 parse_quote!(#param: crate::values::animated::ToAnimatedZero),
diff --git a/components/to_shmem_derive/Cargo.toml b/components/to_shmem_derive/Cargo.toml
index 21e77c90f37..1ddb0974d7c 100644
--- a/components/to_shmem_derive/Cargo.toml
+++ b/components/to_shmem_derive/Cargo.toml
@@ -10,9 +10,9 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-darling = "0.9"
+darling = { version = "0.10", default-features = false }
 derive_common = { path = "../derive_common" }
-proc-macro2 = "0.4"
-quote = "0.6"
-syn = { version = "0.15", features = ["visit"] }
-synstructure = "0.10"
+proc-macro2 = "1"
+quote = "1"
+syn = { version = "1", default-features = false, features = ["derive", "parsing"] }
+synstructure = "0.12"
diff --git a/servo-tidy.toml b/servo-tidy.toml
index 80897ef583d..fc4921c451a 100644
--- a/servo-tidy.toml
+++ b/servo-tidy.toml
@@ -36,6 +36,7 @@ packages = [
   "quote",
   "rand_core",
   "syn",
+  "synstructure",
   "unicode-xid",
 ]
 # Files that are ignored for all tidy and lint checks.
diff --git a/tests/unit/style/Cargo.toml b/tests/unit/style/Cargo.toml
index 06e9d2cfd1a..9f432db56b5 100644
--- a/tests/unit/style/Cargo.toml
+++ b/tests/unit/style/Cargo.toml
@@ -14,7 +14,7 @@ byteorder = "1.0"
 app_units = "0.7"
 cssparser = "0.25"
 euclid = "0.20"
-html5ever = "0.23"
+html5ever = "0.24"
 rayon = "1"
 serde_json = "1.0"
 selectors = {path = "../../../components/selectors"}