Google may test – or it may be a bug – to remove the breadcrumb from the excerpt with mobile search results. Sergey Alakov posted a screenshot of the fragment with only the domain and favicon, without the crumb path of the page.
Sergey posted this on twitter – he sees many tests, although as far as I know I can be a bug.
I can't replicate it personally, this is what I see for this excerpt:
Do you want Google to remove the breadcrumb in the clip?
Forum discussion on twitter.