Update rand to 0.7 (fixes #24448)

37 files changed, 84 insertions, 85 deletions

diff --git a/components/atoms/Cargo.toml b/components/atoms/Cargo.toml
index 493088f7f24..aa232e86e5a 100644
--- a/components/atoms/Cargo.toml
+++ b/components/atoms/Cargo.toml
@@ -11,7 +11,7 @@ build = "build.rs"
 path = "lib.rs"
 
 [dependencies]
-string_cache = {version = "0.7"}
+string_cache = "0.8"
 
 [build-dependencies]
-string_cache_codegen = "0.4"
+string_cache_codegen = "0.5"
diff --git a/components/bluetooth/Cargo.toml b/components/bluetooth/Cargo.toml
index 846c242f30d..0ce769fdc03 100644
--- a/components/bluetooth/Cargo.toml
+++ b/components/bluetooth/Cargo.toml
@@ -19,7 +19,7 @@ ipc-channel = "0.12"
 log = "0.4"
 servo_config = {path = "../config"}
 servo_rand = {path = "../rand"}
-uuid = {version = "0.7", features = ["v4"]}
+uuid = {version = "0.8", features = ["v4"]}
 
 [features]
 native-bluetooth = ["device/bluetooth"]
diff --git a/components/canvas/Cargo.toml b/components/canvas/Cargo.toml
index 742b286e995..b96b6a9b81c 100644
--- a/components/canvas/Cargo.toml
+++ b/components/canvas/Cargo.toml
@@ -20,7 +20,7 @@ no_wgl = ["offscreen_gl_context/no_wgl"]
 azure = {git = "https://github.com/servo/rust-azure", optional = true}
 byteorder = "1"
 canvas_traits = {path = "../canvas_traits"}
-cssparser = "0.25"
+cssparser = "0.27.1"
 embedder_traits = {path = "../embedder_traits"}
 euclid = "0.20"
 fnv = "1.0"
diff --git a/components/canvas_traits/Cargo.toml b/components/canvas_traits/Cargo.toml
index 777edd54dd9..516f4d66932 100644
--- a/components/canvas_traits/Cargo.toml
+++ b/components/canvas_traits/Cargo.toml
@@ -14,7 +14,7 @@ path = "lib.rs"
 webgl_backtrace = []
 
 [dependencies]
-cssparser = "0.25"
+cssparser = "0.27.1"
 euclid = "0.20"
 ipc-channel = "0.12"
 lazy_static = "1"
diff --git a/components/constellation/Cargo.toml b/components/constellation/Cargo.toml
index d6ed0c562d9..7b53d443e5c 100644
--- a/components/constellation/Cargo.toml
+++ b/components/constellation/Cargo.toml
@@ -53,4 +53,4 @@ webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 webxr-api = {git = "https://github.com/servo/webxr", features = ["ipc"]}
 
 [target.'cfg(all(not(target_os = "windows"), not(target_os = "ios"), not(target_os="android"), not(target_arch="arm"), not(target_arch="aarch64")))'.dependencies]
-gaol = {git = "https://github.com/servo/gaol"}
+gaol = "0.2.1"
diff --git a/components/devtools/Cargo.toml b/components/devtools/Cargo.toml
index 90df8e7498f..f59070b08b5 100644
--- a/components/devtools/Cargo.toml
+++ b/components/devtools/Cargo.toml
@@ -22,4 +22,4 @@ msg = {path = "../msg"}
 serde = "1.0"
 serde_json = "1.0"
 time = "0.1"
-uuid = {version = "0.7", features = ["v4"]}
+uuid = {version = "0.8", features = ["v4"]}
diff --git a/components/hashglobe/Cargo.toml b/components/hashglobe/Cargo.toml
index 1ff1b28bbba..49bc0126cff 100644
--- a/components/hashglobe/Cargo.toml
+++ b/components/hashglobe/Cargo.toml
@@ -13,4 +13,4 @@ readme = "README.md"
 libc = "0.2"
 
 [dev-dependencies]
-rand = "0.6"
+rand = "0.7"
diff --git a/components/layout/Cargo.toml b/components/layout/Cargo.toml
index bd94cc174be..c68f98a831b 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 = "0.24"
+html5ever = "0.25"
 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 3d44f130830..38adb0bf4e1 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 = "0.24"
+html5ever = "0.25"
 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 f51febba1c5..23bc41f9b25 100644
--- a/components/layout_thread_2020/Cargo.toml
+++ b/components/layout_thread_2020/Cargo.toml
@@ -20,7 +20,7 @@ fnv = "1.0"
 fxhash = "0.2"
 gfx = {path = "../gfx"}
 gfx_traits = {path = "../gfx_traits"}
-html5ever = "0.24"
+html5ever = "0.25"
 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 e6a33d7e7c4..836d637f1eb 100644
--- a/components/malloc_size_of/Cargo.toml
+++ b/components/malloc_size_of/Cargo.toml
@@ -28,7 +28,7 @@ servo = [
 app_units = "0.7"
 content-security-policy = {version = "0.3.0", features = ["serde"], optional = true}
 crossbeam-channel = { version = "0.3", optional = true }
-cssparser = "0.25"
+cssparser = "0.27.1"
 euclid = "0.20"
 hashglobe = { path = "../hashglobe" }
 hyper = { version = "0.12", optional = true }
@@ -40,10 +40,10 @@ serde_bytes = { version = "0.10", optional = true }
 servo_arc = { path = "../servo_arc" }
 smallbitvec = "2.3.0"
 smallvec = "0.6"
-string_cache = { version = "0.7", optional = true }
+string_cache = { version = "0.8", optional = true }
 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 = "0.15", optional = true }
+xml5ever = { version = "0.16", optional = true }
 void = "1.0.2"
diff --git a/components/net/Cargo.toml b/components/net/Cargo.toml
index f05d5b31268..aac0b32aaeb 100644
--- a/components/net/Cargo.toml
+++ b/components/net/Cargo.toml
@@ -55,7 +55,7 @@ servo_url = {path = "../url"}
 tokio = "0.1"
 time = "0.1.17"
 url = "2.0"
-uuid = {version = "0.7", features = ["v4"]}
+uuid = {version = "0.8", features = ["v4"]}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 ws = { version = "0.9", features = ["ssl"] }
 
diff --git a/components/net_traits/Cargo.toml b/components/net_traits/Cargo.toml
index caf1f9787fc..5a75b523165 100644
--- a/components/net_traits/Cargo.toml
+++ b/components/net_traits/Cargo.toml
@@ -36,7 +36,7 @@ servo_arc = {path = "../servo_arc"}
 servo_url = {path = "../url"}
 time = "0.1"
 url = "2.0"
-uuid = {version = "0.7", features = ["v4", "serde"]}
+uuid = {version = "0.8", features = ["v4", "serde"]}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 
 [dev-dependencies]
diff --git a/components/rand/Cargo.toml b/components/rand/Cargo.toml
index 70461e462ef..b85334b6d0b 100644
--- a/components/rand/Cargo.toml
+++ b/components/rand/Cargo.toml
@@ -13,7 +13,7 @@ path = "lib.rs"
 [dependencies]
 lazy_static = "1"
 log = "0.4"
-rand = "0.6"
-rand_core = "0.4"
-rand_isaac = "0.1"
-uuid = "0.7"
+rand = "0.7"
+rand_core = "0.5"
+rand_isaac = "0.2"
+uuid = "0.8"
diff --git a/components/rand/lib.rs b/components/rand/lib.rs
index f38a2bb6f3d..d9a8765c993 100644
--- a/components/rand/lib.rs
+++ b/components/rand/lib.rs
@@ -31,10 +31,7 @@ use uuid::{Builder, Uuid, Variant, Version};
 
 // The shared RNG which may hold on to a file descriptor
 lazy_static! {
-    static ref OS_RNG: Mutex<OsRng> = match OsRng::new() {
-        Ok(r) => Mutex::new(r),
-        Err(e) => panic!("Failed to seed OsRng: {}", e),
-    };
+    static ref OS_RNG: Mutex<OsRng> = Mutex::new(OsRng);
 }
 
 // Generate 32K of data between reseedings
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index cb30f437a11..23873d59767 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -23,8 +23,8 @@ uwp = ["js/uwp"]
 vslatestinstalled = ["js/vslatestinstalled"]
 
 [build-dependencies]
-phf_codegen = "0.7"
-phf_shared = "0.7"
+phf_codegen = "0.8"
+phf_shared = "0.8"
 serde_json = "1.0"
 
 [target.'cfg(target_os = "linux")'.dependencies]
@@ -43,7 +43,7 @@ content-security-policy = {version = "0.3.0", features = ["serde"]}
 cookie = "0.11"
 chrono = "0.4"
 crossbeam-channel = "0.3"
-cssparser = "0.25"
+cssparser = "0.27.1"
 deny_public_fields = {path = "../deny_public_fields"}
 devtools_traits = {path = "../devtools_traits"}
 dom_struct = {path = "../dom_struct"}
@@ -54,7 +54,7 @@ enum-iterator = "0.3"
 euclid = "0.20"
 fnv = "1.0"
 headers = "0.2"
-html5ever = "0.24"
+html5ever = "0.25"
 http = "0.1"
 hyper = "0.12"
 hyper_serde = "0.11"
@@ -80,7 +80,7 @@ net_traits = {path = "../net_traits"}
 num-traits = "0.2"
 parking_lot = "0.9"
 percent-encoding = "2.0"
-phf = "0.7"
+phf = "0.8"
 pixels = {path = "../pixels"}
 profile_traits = {path = "../profile_traits"}
 ref_filter_map = "1.0.1"
@@ -109,8 +109,8 @@ time = "0.1.12"
 unicode-segmentation = "1.1.0"
 url = "2.0"
 utf-8 = "0.7"
-uuid = {version = "0.7", features = ["v4"]}
-xml5ever = {version = "0.15"}
+uuid = {version = "0.8", features = ["v4"]}
+xml5ever = "0.16"
 webdriver = "0.40"
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 webvr_traits = {path = "../webvr_traits"}
diff --git a/components/script/build.rs b/components/script/build.rs
index ea2e756490b..d8d65b098db 100644
--- a/components/script/build.rs
+++ b/components/script/build.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 phf_shared;
+use phf_shared::{self, FmtConst};
 use serde_json::{self, Value};
 use std::env;
 use std::fmt;
@@ -40,18 +40,17 @@ fn main() {
     let mut phf = File::create(&phf).unwrap();
     write!(
         &mut phf,
-        "pub static MAP: phf::Map<&'static [u8], fn(JSContext, HandleObject)> = "
+        "pub static MAP: phf::Map<&'static [u8], fn(JSContext, HandleObject)> = {};\n",
+        map.build(),
     )
     .unwrap();
-    map.build(&mut phf).unwrap();
-    write!(&mut phf, ";\n").unwrap();
 }
 
 #[derive(Eq, Hash, PartialEq)]
 struct Bytes<'a>(&'a str);
 
-impl<'a> fmt::Debug for Bytes<'a> {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+impl<'a> FmtConst for Bytes<'a> {
+    fn fmt_const(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
         // https://github.com/rust-lang/rust/issues/55223
         // should technically be just `write!(formatter, "b\"{}\"", self.0)
         // but the referenced issue breaks promotion in the surrounding code
diff --git a/components/script/dom/servoparser/prefetch.rs b/components/script/dom/servoparser/prefetch.rs
index 716be8b0f51..906c9352771 100644
--- a/components/script/dom/servoparser/prefetch.rs
+++ b/components/script/dom/servoparser/prefetch.rs
@@ -97,7 +97,7 @@ impl TokenSink for PrefetchSink {
             _ => return TokenSinkResult::Continue,
         };
         match (tag.kind, &tag.name) {
-            (TagKind::StartTag, local_name!("script")) if self.prefetching => {
+            (TagKind::StartTag, &local_name!("script")) if self.prefetching => {
                 if let Some(url) = self.get_url(tag, local_name!("src")) {
                     debug!("Prefetch script {}", url);
                     let cors_setting = self.get_cors_settings(tag, local_name!("crossorigin"));
@@ -120,7 +120,7 @@ impl TokenSink for PrefetchSink {
                 }
                 TokenSinkResult::RawData(RawKind::ScriptData)
             },
-            (TagKind::StartTag, local_name!("img")) if self.prefetching => {
+            (TagKind::StartTag, &local_name!("img")) if self.prefetching => {
                 if let Some(url) = self.get_url(tag, local_name!("src")) {
                     debug!("Prefetch {} {}", tag.name, url);
                     let request = image_fetch_request(
@@ -137,7 +137,7 @@ impl TokenSink for PrefetchSink {
                 }
                 TokenSinkResult::Continue
             },
-            (TagKind::StartTag, local_name!("link")) if self.prefetching => {
+            (TagKind::StartTag, &local_name!("link")) if self.prefetching => {
                 if let Some(rel) = self.get_attr(tag, local_name!("rel")) {
                     if rel.value.eq_ignore_ascii_case("stylesheet") {
                         if let Some(url) = self.get_url(tag, local_name!("href")) {
@@ -167,15 +167,15 @@ impl TokenSink for PrefetchSink {
                 }
                 TokenSinkResult::Continue
             },
-            (TagKind::StartTag, local_name!("script")) => {
+            (TagKind::StartTag, &local_name!("script")) => {
                 TokenSinkResult::RawData(RawKind::ScriptData)
             },
-            (TagKind::EndTag, local_name!("script")) => {
+            (TagKind::EndTag, &local_name!("script")) => {
                 // After the first script tag, the main parser is blocked, so it's worth prefetching.
                 self.prefetching = true;
                 TokenSinkResult::Script(PrefetchHandle)
             },
-            (TagKind::StartTag, local_name!("base")) => {
+            (TagKind::StartTag, &local_name!("base")) => {
                 if let Some(url) = self.get_url(tag, local_name!("href")) {
                     if self.base_url.is_none() {
                         debug!("Setting base {}", url);
diff --git a/components/script_layout_interface/Cargo.toml b/components/script_layout_interface/Cargo.toml
index 24b80baa463..8ad33fc7d43 100644
--- a/components/script_layout_interface/Cargo.toml
+++ b/components/script_layout_interface/Cargo.toml
@@ -17,7 +17,7 @@ canvas_traits = {path = "../canvas_traits"}
 crossbeam-channel = "0.3"
 euclid = "0.20"
 gfx_traits = {path = "../gfx_traits"}
-html5ever = "0.24"
+html5ever = "0.25"
 ipc-channel = "0.12"
 libc = "0.2"
 malloc_size_of = { path = "../malloc_size_of" }
diff --git a/components/selectors/Cargo.toml b/components/selectors/Cargo.toml
index ae3b08d7198..d3dda6cb2c1 100644
--- a/components/selectors/Cargo.toml
+++ b/components/selectors/Cargo.toml
@@ -22,11 +22,11 @@ bench = []
 [dependencies]
 bitflags = "1.0"
 matches = "0.1"
-cssparser = "0.25"
+cssparser = "0.27.1"
 derive_more = "0.13"
 log = "0.4"
 fxhash = "0.2"
-phf = "0.7"
+phf = "0.8"
 precomputed-hash = "0.1"
 servo_arc = { version = "0.1", path = "../servo_arc" }
 smallvec = "0.6"
@@ -35,4 +35,4 @@ to_shmem = { path = "../to_shmem" }
 to_shmem_derive = { path = "../to_shmem_derive" }
 
 [build-dependencies]
-phf_codegen = "0.7"
+phf_codegen = "0.8"
diff --git a/components/selectors/build.rs b/components/selectors/build.rs
index cc841227df5..264c2da6b4b 100644
--- a/components/selectors/build.rs
+++ b/components/selectors/build.rs
@@ -14,13 +14,16 @@ fn main() {
         .join("ascii_case_insensitive_html_attributes.rs");
     let mut file = BufWriter::new(File::create(&path).unwrap());
 
-    write!(&mut file, "{{ static SET: ::phf::Set<&'static str> = ").unwrap();
     let mut set = phf_codegen::Set::new();
     for name in ASCII_CASE_INSENSITIVE_HTML_ATTRIBUTES.split_whitespace() {
         set.entry(name);
     }
-    set.build(&mut file).unwrap();
-    write!(&mut file, "; &SET }}").unwrap();
+    write!(
+        &mut file,
+        "{{ static SET: ::phf::Set<&'static str> = {}; &SET }}",
+        set.build(),
+    )
+    .unwrap();
 }
 
 /// <https://html.spec.whatwg.org/multipage/#selectors>
diff --git a/components/servo/Cargo.toml b/components/servo/Cargo.toml
index 84ba5dd825e..5b657e7e33b 100644
--- a/components/servo/Cargo.toml
+++ b/components/servo/Cargo.toml
@@ -85,7 +85,7 @@ webvr_traits = {path = "../webvr_traits"}
 webxr-api = {git = "https://github.com/servo/webxr"}
 
 [target.'cfg(all(not(target_os = "windows"), not(target_os = "ios"), not(target_os="android"), not(target_arch="arm"), not(target_arch="aarch64")))'.dependencies]
-gaol = {git = "https://github.com/servo/gaol"}
+gaol = "0.2.1"
 
 [target.'cfg(any(target_os = "android", target_arch = "x86_64", target_os = "windows"))'.dependencies]
 gstreamer = "0.14.5"
diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index fb17e71521e..1a727387b7e 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -33,7 +33,7 @@ arrayvec = "0.4.6"
 atomic_refcell = "0.1"
 bitflags = "1.0"
 byteorder = "1.0"
-cssparser = "0.25"
+cssparser = "0.27.1"
 crossbeam-channel = { version = "0.3", optional = true }
 derive_more = "0.13"
 new_debug_unreachable = "1.0"
@@ -42,7 +42,7 @@ euclid = "0.20"
 fallible = { path = "../fallible" }
 fxhash = "0.2"
 hashglobe = { path = "../hashglobe" }
-html5ever = {version = "0.24", optional = true}
+html5ever = {version = "0.25", optional = true}
 indexmap = "1.0"
 itertools = "0.8"
 itoa = "0.4"
@@ -67,7 +67,7 @@ servo_atoms = {path = "../atoms", optional = true}
 servo_config = {path = "../config", optional = true}
 smallbitvec = "2.3.0"
 smallvec = "0.6.6"
-string_cache = { version = "0.7", optional = true }
+string_cache = { version = "0.8", optional = true }
 style_derive = {path = "../style_derive"}
 style_traits = {path = "../style_traits"}
 servo_url = {path = "../url", optional = true}
diff --git a/components/style/counter_style/mod.rs b/components/style/counter_style/mod.rs
index 289281011c3..25cdc3f8737 100644
--- a/components/style/counter_style/mod.rs
+++ b/components/style/counter_style/mod.rs
@@ -220,9 +220,9 @@ macro_rules! counter_style_descriptors {
                             // rather than returning it.
                             let value = input.parse_entirely(|i| Parse::parse(self.context, i))?;
                             self.rule.$ident = Some(value)
-                        }
+                        },
                     )*
-                    _ => return Err(input.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone())))
+                    _ => return Err(input.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone()))),
                 }
                 Ok(())
             }
@@ -371,11 +371,11 @@ impl Parse for System {
             "fixed" => {
                 let first_symbol_value = input.try(|i| Integer::parse(context, i)).ok();
                 Ok(System::Fixed { first_symbol_value })
-            }
+            },
             "extends" => {
                 let other = parse_counter_style_name(input)?;
                 Ok(System::Extends(other))
-            }
+            },
         }
     }
 }
@@ -652,7 +652,7 @@ impl Parse for SpeakAs {
                 "spell-out" => {
                     is_spell_out = true;
                     Err(())
-                }
+                },
                 _ => Err(()),
             }
         });
diff --git a/components/style/font_face.rs b/components/style/font_face.rs
index d45cd340c85..21e2946d6a6 100644
--- a/components/style/font_face.rs
+++ b/components/style/font_face.rs
@@ -480,9 +480,9 @@ macro_rules! font_face_descriptors_common {
                             // rather than returning it.
                             let value = input.parse_entirely(|i| Parse::parse(self.context, i))?;
                             self.rule.$ident = Some(value)
-                        }
+                        },
                     )*
-                    _ => return Err(input.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone())))
+                    _ => return Err(input.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone()))),
                 }
                 Ok(())
             }
diff --git a/components/style/servo/selector_parser.rs b/components/style/servo/selector_parser.rs
index 4bf3f38822a..4fdd4d4ab37 100644
--- a/components/style/servo/selector_parser.rs
+++ b/components/style/servo/selector_parser.rs
@@ -460,8 +460,8 @@ impl<'a, 'i> ::selectors::Parser<'i> for SelectorParser<'a> {
         let pseudo_class = match_ignore_ascii_case! { &name,
             "lang" => {
                 Lang(parser.expect_ident_or_string()?.as_ref().into())
-            }
-            _ => return Err(parser.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone())))
+            },
+            _ => return Err(parser.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(name.clone()))),
         };
 
         Ok(pseudo_class)
diff --git a/components/style/stylesheets/document_rule.rs b/components/style/stylesheets/document_rule.rs
index 942d60a7d17..e779863f031 100644
--- a/components/style/stylesheets/document_rule.rs
+++ b/components/style/stylesheets/document_rule.rs
@@ -144,28 +144,28 @@ impl DocumentMatchingFunction {
         match_ignore_ascii_case! { &function,
             "url-prefix" => {
                 parse_quoted_or_unquoted_string!(input, DocumentMatchingFunction::UrlPrefix)
-            }
+            },
             "domain" => {
                 parse_quoted_or_unquoted_string!(input, DocumentMatchingFunction::Domain)
-            }
+            },
             "regexp" => {
                 input.parse_nested_block(|input| {
                     Ok(DocumentMatchingFunction::Regexp(
                         input.expect_string()?.as_ref().to_owned(),
                     ))
                 })
-            }
+            },
             "media-document" => {
                 input.parse_nested_block(|input| {
                     let kind = MediaDocumentKind::parse(input)?;
                     Ok(DocumentMatchingFunction::MediaDocument(kind))
                 })
-            }
+            },
             _ => {
                 Err(location.new_custom_error(
                     StyleParseErrorKind::UnexpectedFunction(function.clone())
                 ))
-            }
+            },
         }
     }
 
diff --git a/components/style/stylesheets/rule_parser.rs b/components/style/stylesheets/rule_parser.rs
index da9ce0a9401..aefea6c504d 100644
--- a/components/style/stylesheets/rule_parser.rs
+++ b/components/style/stylesheets/rule_parser.rs
@@ -228,7 +228,7 @@ impl<'a, 'i> AtRuleParser<'i> for TopLevelRuleParser<'a> {
             "charset" => {
                 self.dom_error = Some(RulesMutateError::HierarchyRequest);
                 return Err(input.new_custom_error(StyleParseErrorKind::UnexpectedCharsetRule))
-            }
+            },
             _ => {}
         }
 
diff --git a/components/style/stylesheets/supports_rule.rs b/components/style/stylesheets/supports_rule.rs
index 9ef3558bd1c..721634dd9a3 100644
--- a/components/style/stylesheets/supports_rule.rs
+++ b/components/style/stylesheets/supports_rule.rs
@@ -157,17 +157,17 @@ impl SupportsCondition {
                     CString::new(name.as_bytes())
                 }.map_err(|_| input.new_custom_error(StyleParseErrorKind::UnspecifiedError))?;
                 Ok(SupportsCondition::MozBoolPref(name))
-            }
+            },
             "selector" => {
                 let pos = input.position();
                 consume_any_value(input)?;
                 Ok(SupportsCondition::Selector(RawSelector(
                     input.slice_from(pos).to_owned()
                 )))
-            }
+            },
             _ => {
                 Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
-            }
+            },
         }
     }
 
diff --git a/components/style/values/specified/font.rs b/components/style/values/specified/font.rs
index 90426f80770..88f5969f52c 100644
--- a/components/style/values/specified/font.rs
+++ b/components/style/values/specified/font.rs
@@ -229,7 +229,7 @@ impl Parse for SpecifiedFontStyle {
                     .unwrap_or_else(|_| Self::default_angle());
 
                 generics::FontStyle::Oblique(angle)
-            }
+            },
         })
     }
 }
diff --git a/components/style/values/specified/image.rs b/components/style/values/specified/image.rs
index 6d0e0e5e7c2..c7a6ac1870c 100644
--- a/components/style/values/specified/image.rs
+++ b/components/style/values/specified/image.rs
@@ -220,7 +220,7 @@ impl Parse for Gradient {
             },
             "-webkit-radial-gradient" => {
                 Some((Shape::Radial, false, GradientCompatMode::WebKit))
-            }
+            },
             #[cfg(feature = "gecko")]
             "-moz-radial-gradient" => {
                 Some((Shape::Radial, false, GradientCompatMode::Moz))
diff --git a/components/style/values/specified/length.rs b/components/style/values/specified/length.rs
index 1934edf9669..c98038bdc68 100644
--- a/components/style/values/specified/length.rs
+++ b/components/style/values/specified/length.rs
@@ -471,17 +471,17 @@ impl NoCalcLength {
             // viewport percentages
             "vw" if !context.in_page_rule() => {
                 NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vw(value))
-            }
+            },
             "vh" if !context.in_page_rule() => {
                 NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vh(value))
-            }
+            },
             "vmin" if !context.in_page_rule() => {
                 NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vmin(value))
-            }
+            },
             "vmax" if !context.in_page_rule() => {
                 NoCalcLength::ViewportPercentage(ViewportPercentageLength::Vmax(value))
-            }
-            _ => return Err(())
+            },
+            _ => return Err(()),
         })
     }
 
diff --git a/components/style/values/specified/text.rs b/components/style/values/specified/text.rs
index abe44aa8f03..946e97eb619 100644
--- a/components/style/values/specified/text.rs
+++ b/components/style/values/specified/text.rs
@@ -421,7 +421,7 @@ impl Parse for TextTransform {
                 },
                 "full-size-kana" if !result.other_.intersects(TextTransformOther::FULL_SIZE_KANA) => {
                     result.other_.insert(TextTransformOther::FULL_SIZE_KANA)
-                }
+                },
                 _ => return Err(location.new_custom_error(
                     SelectorParseErrorKind::UnexpectedIdent(ident.clone())
                 )),
diff --git a/components/style_traits/Cargo.toml b/components/style_traits/Cargo.toml
index e2cb4f1bd12..213c09b08df 100644
--- a/components/style_traits/Cargo.toml
+++ b/components/style_traits/Cargo.toml
@@ -15,7 +15,7 @@ gecko = []
 
 [dependencies]
 app_units = "0.7"
-cssparser = "0.25"
+cssparser = "0.27.1"
 bitflags = "1.0"
 euclid = "0.20"
 lazy_static = "1"
diff --git a/components/to_shmem/Cargo.toml b/components/to_shmem/Cargo.toml
index e17d9d981fb..71426507647 100644
--- a/components/to_shmem/Cargo.toml
+++ b/components/to_shmem/Cargo.toml
@@ -14,9 +14,9 @@ servo = ["cssparser/serde", "string_cache"]
 gecko = []
 
 [dependencies]
-cssparser = "0.25"
+cssparser = "0.27.1"
 servo_arc = { path = "../servo_arc" }
 smallbitvec = "2.1.1"
 smallvec = "0.6.6"
-string_cache = { version = "0.7", optional = true }
+string_cache = { version = "0.8", optional = true }
 thin-slice = "0.1.0"
diff --git a/components/url/Cargo.toml b/components/url/Cargo.toml
index 314e179a9e9..792fed54ac8 100644
--- a/components/url/Cargo.toml
+++ b/components/url/Cargo.toml
@@ -17,4 +17,4 @@ to_shmem = { path = "../to_shmem" }
 serde = {version = "1.0", features = ["derive"]}
 servo_rand = {path = "../rand"}
 url = {version = "2.0", features = ["serde"]}
-uuid = {version = "0.7", features = ["v4", "serde"]}
+uuid = {version = "0.8", features = ["v4", "serde"]}
diff --git a/components/webdriver_server/Cargo.toml b/components/webdriver_server/Cargo.toml
index 6ab00c59166..3df9701b2bf 100644
--- a/components/webdriver_server/Cargo.toml
+++ b/components/webdriver_server/Cargo.toml
@@ -29,5 +29,5 @@ servo_config = {path = "../config"}
 servo_url = {path = "../url"}
 style_traits = {path = "../style_traits"}
 url = "2.0"
-uuid = {version = "0.7", features = ["v4"]}
+uuid = {version = "0.8", features = ["v4"]}
 webdriver = "0.40"