hydra: change icon for positive failures

src/root/product-list.tt

@@ -19,7 +19,17 @@
       [% SWITCH product.type %]
 
       [% CASE "nix-build" %]
+        [% IF build.resultInfo.buildstatus == 6 %]
+          <tr class="product">
+            <td>
+            <a href="[% contents %]">
+              <img src="/static/images/error_32.png" alt="Source" />
+              Failed build produced output. Click here to inspect the output.
+            </a>
+            </td>
+          </tr>
         
+        [% ELSE %]
           <tr class="product">
             <td>
             [% uri = c.uri_for('/build' build.id 'nix' 'pkg' "${build.nixname}-${build.system}.nixpkg") %]
@@ -48,7 +58,7 @@
     
             </td>
           </tr>
-
+      [% END %]
       <tr class="product">
         <td>