message: Fix crash when viewing source
  Column 5 was the files, not the default target :(
  We really need a test suite.
diff: @@ -174,7 +174,7 @@ impl FileList {
  description: rows.get(0).get(2),
  target_name: rows.get(0).get(3),
  rustdoc_status: rows.get(0).get(4),
  - default_target: rows.get(0).get(5),
  + default_target: rows.get(0).get(6),
  },
  files: file_list,
  })
  