1 files changed, 4 insertions, 2 deletions
diff --git a/src/librustdoc/html/templates/source.html b/src/librustdoc/html/templates/source.html
index a224ff12f44..42d01277db2 100644
--- a/src/librustdoc/html/templates/source.html
+++ b/src/librustdoc/html/templates/source.html
@@ -1,5 +1,7 @@
 <div class="example-wrap"> {# #}
-    <pre class="src-line-numbers">
+    {# https://developers.google.com/search/docs/crawling-indexing/robots-meta-tag#data-nosnippet-attr
+       Do not show "1 2 3 4 5 ..." in web search results. #}
+    <div data-nosnippet><pre class="src-line-numbers">
         {% for line in lines.clone() %}
             {% if embedded %}
                 <span>{{line|safe}}</span>
@@ -7,7 +9,7 @@
                 <a href="#{{line|safe}}" id="{{line|safe}}">{{line|safe}}</a>
             {%~ endif %}
         {% endfor %}
-    </pre> {# #}
+    </pre></div> {# #}
     <pre class="rust"> {# #}
         <code>
             {% if needs_expansion %}