message: Assign unique keys
diff: @@ -23,7 +23,7 @@ export default class ChannelBreadcrumb extends Component {
  return (
  <StickyBreadcrumbPath>
  {({ mode }) => [
  - <StickyBreadcrumbPath.Crumb>
  + <StickyBreadcrumbPath.Crumb key="head">
  <a href={channel.owner.href}>
  {channel.owner.name}
  @@ -36,7 +36,7 @@ export default class ChannelBreadcrumb extends Component {
  </a>
  </StickyBreadcrumbPath.Crumb>,
  - <StickyBreadcrumbPath.Crumb>
  + <StickyBreadcrumbPath.Crumb key="tail">
  <ColoredChannelLink
  href={channel.href}
  visibility={channel.visibility}
  