Update Rust documentation (1.80.0)

Author: simon04

assets/stylesheets/pages/_rust.scss

@@ -14,7 +14,7 @@
   em.stab, span.stab { @extend %label; }
   em.stab.unstable, span.stab.unstable { @extend %label-orange; }
   .out-of-band { float: right; }
-  .since, .srclink {
+  .since, .src, .rightside {
     float: right;
     margin-left: .5rem;
   }

lib/docs/filters/rust/clean_html.rb

@@ -30,6 +30,8 @@ def call
           end
         end
 
+        css('.doc-anchor').remove
+
         # Fix notable trait sections
         css('.method, .rust.trait').each do |node|
           traitSection = node.at_css('.notable-traits')

lib/docs/scrapers/rust.rb

@@ -3,7 +3,7 @@
 module Docs
   class Rust < UrlScraper
     self.type = 'rust'
-    self.release = '1.79.0'
+    self.release = '1.80.0'
     self.base_url = 'https://doc.rust-lang.org/'
     self.root_path = 'book/index.html'
     self.initial_paths = %w(