How to see hydration warnings in prod?

How to turn on some additional logging in prod to see hydration warning? Deployed my site but I see this error in console: Hydration completed but contains mismatches. I don't get it when running npm run build && node .output/server/index.mjs locally, only when running in prod I'd like to see hydration warning too, like a lot of other people have, so I can debug it better Like in here, there's hydration warning saying what's broken. All I get is this error, no additional information