You can see it in the examples I copied and pasted above:
Command failed with exit code 1: ... (https ntl.fyi/exit-code-1)
Command failed with exit code 127: ... (Search results for '"non-zero exit code: 127"' - Netlify Support Forums)
Command failed with exit code 127: ...
On closer inspection the ones with “Search results for…” are just due to the ntl.fyi link having been unfurled by discourse to show the page title, while the URL was malformed in the other.
The one in the screenshot for this post does appear to be missing a nty.fyi link though:
Which is odd considering it’s visible in other errors reporting exit code 127.