Quibble 1.5.0 learned to emit failure reports to Early Warning Bot which reports back to Gerrit. The wm-checks-api Gerrit plugin should handle those in order to make have them show up in the Gerrit Check UI.
Example message https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GrowthExperiments/+/867531/7#message-de6181c5525b53f346f9a04669d249352b4d1d80
Bot source code: https://gitlab.wikimedia.org/kharlan/earlywarningbot/-/blob/main/src/main.rs
wm-checks-api: https://gerrit.wikimedia.org/g/operations/software/gerrit/+/refs/heads/deploy/wmf/stable-3.5/plugins/wm-checks-api.js#634