Fix deprecation warnings

components/profile/lib.rs

@@ -5,7 +5,7 @@
 #![feature(box_syntax)]
 #![feature(iter_arith)]
 #![cfg_attr(target_os="linux", feature(page_size))]
-#![feature(slice_extras)]
+#![feature(slice_splits)]
 
 #[macro_use] extern crate log;
 

components/profile/mem.rs

@@ -249,14 +249,15 @@ impl ReportsForest {
 
     // Insert the path and size into the forest, adding any trees and nodes as necessary.
     fn insert(&mut self, path: &[String], size: usize) {
+        let (head, tail) = path.split_first().unwrap();
         // Get the right tree, creating it if necessary.
-        if !self.trees.contains_key(&path[0]) {
-            self.trees.insert(path[0].clone(), ReportsTree::new(path[0].clone()));
+        if !self.trees.contains_key(head) {
+            self.trees.insert(head.clone(), ReportsTree::new(head.clone()));
         }
-        let t = self.trees.get_mut(&path[0]).unwrap();
+        let t = self.trees.get_mut(head).unwrap();
 
-        // Use tail() because the 0th path segment was used to find the right tree in the forest.
-        t.insert(path.tail(), size);
+        // Use tail because the 0th path segment was used to find the right tree in the forest.
+        t.insert(tail, size);
     }
 
     fn print(&mut self) {

components/script/dom/document.rs

@@ -1432,7 +1432,7 @@ impl<'a> DocumentMethods for &'a Document {
             Some(ref title) => {
                 // Steps 3-4.
                 let value = Node::collect_text_contents(title.r().children());
-                split_html_space_chars(&value).collect::<Vec<_>>().connect(" ")
+                split_html_space_chars(&value).collect::<Vec<_>>().join(" ")
             },
         }
     }

components/script/dom/htmloptionelement.rs

@@ -88,7 +88,7 @@ impl<'a> HTMLOptionElementMethods for &'a HTMLOptionElement {
         let mut content = String::new();
         collect_text(&node, &mut content);
         let v: Vec<&str> = split_html_space_chars(&content).collect();
-        v.connect(" ")
+        v.join(" ")
     }
 
     // https://www.whatwg.org/html/#dom-option-text

components/script/script_task.rs

@@ -1060,7 +1060,7 @@ impl ScriptTask {
         for it_page in self.root_page().iter() {
             urls.push(it_page.document().url().serialize());
         }
-        let path_seg = format!("url({})", urls.connect(", "));
+        let path_seg = format!("url({})", urls.join(", "));
         let reports = ScriptTask::get_reports(self.get_cx(), path_seg);
         reports_chan.send(reports);
     }

components/util/lib.rs

@@ -15,7 +15,7 @@
 #![feature(path_ext)]
 #![feature(plugin)]
 #![feature(rustc_private)]
-#![feature(slice_extras)]
+#![feature(slice_splits)]
 #![feature(step_by)]
 #![feature(step_trait)]
 #![feature(zero_one)]

components/util/opts.rs

@@ -267,8 +267,7 @@ pub fn default_opts() -> Opts {
 }
 
 pub fn from_cmdline_args(args: &[String]) {
-    let app_name = args[0].to_string();
-    let args = args.tail();
+    let (app_name, args) = args.split_first().unwrap();
 
     let opts = vec!(
         getopts::optflag("c", "cpu", "CPU painting (default)"),
@@ -305,7 +304,7 @@ pub fn from_cmdline_args(args: &[String]) {
     };
 
     if opt_match.opt_present("h") || opt_match.opt_present("help") {
-        print_usage(&app_name, &opts);
+        print_usage(app_name, &opts);
         process::exit(0);
     };
 
@@ -318,11 +317,11 @@ pub fn from_cmdline_args(args: &[String]) {
         debug_options.insert(split.clone());
     }
     if debug_options.contains(&"help") {
-        print_debug_usage(&app_name)
+        print_debug_usage(app_name)
     }
 
     let url = if opt_match.free.is_empty() {
-        print_usage(&app_name, &opts);
+        print_usage(app_name, &opts);
         args_fail("servo asks that you provide a URL")
     } else {
         let ref url = opt_match.free[0];