Address feedback

src/librustdoc/html/layout.rs

@@ -8,9 +8,8 @@
 use crate::html::render::{ensure_trailing_slash, StylePath};
 
 use askama::Template;
-use serde::Serialize;
 
-#[derive(Clone, Serialize)]
+#[derive(Clone)]
 crate struct Layout {
     crate logo: String,
     crate favicon: String,
@@ -27,7 +26,6 @@
     crate scrape_examples_extension: bool,
 }
 
-#[derive(Serialize)]
 crate struct Page<'a> {
     crate title: &'a str,
     crate css_class: &'a str,
@@ -46,7 +44,7 @@ impl<'a> Page<'a> {
     }
 }
 
-#[derive(Serialize, Template)]
+#[derive(Template)]
 #[template(path = "page.html")]
 struct PageLayout<'a> {
     static_root_path: &'a str,

src/librustdoc/html/render/print_item.rs

@@ -33,7 +33,6 @@
 use crate::html::markdown::{HeadingOffset, MarkdownSummaryLine};
 
 use askama::Template;
-use serde::Serialize;
 
 const ITEM_TABLE_OPEN: &str = "<div class=\"item-table\">";
 const ITEM_TABLE_CLOSE: &str = "</div>";
@@ -41,13 +40,12 @@
 const ITEM_TABLE_ROW_CLOSE: &str = "</div>";
 
 // A component in a `use` path, like `string` in std::string::ToString
-#[derive(Serialize)]
 struct PathComponent<'a> {
     path: String,
     name: &'a str,
 }
 
-#[derive(Serialize, Template)]
+#[derive(Template)]
 #[template(path = "print_item.html")]
 struct ItemVars<'a> {
     page: &'a Page<'a>,

src/librustdoc/templates/page.html

@@ -49,12 +49,10 @@
         <link rel="stylesheet" {# -#}
            href="{{static_root_path|safe}}noscript{{page.resource_suffix}}.css"> {#- -#}
     </noscript> {#- -#}
-    {%- match layout.css_file_extension -%}
-        {%- when Some with (ext) -%}
-            <link rel="stylesheet" type="text/css" {# -#}
-                href="{{static_root_path|safe}}theme{{page.resource_suffix}}.css"> {#- -#}
-        {%- else -%}
-    {%- endmatch -%}
+    {%- if layout.css_file_extension.is_some() -%}
+        <link rel="stylesheet" type="text/css" {# -#}
+            href="{{static_root_path|safe}}theme{{page.resource_suffix}}.css"> {#- -#}
+    {%- endif -%}
     {%- if !layout.favicon.is_empty() -%}
         <link rel="shortcut icon" href="{{layout.favicon}}"> {#- -#}
     {%- else -%}