This doesn't seem to be a for-profit service, so it's outside of the scope of the latest drafts of Article 13 thankfully. As long as you never put ads on it, you're good.
Another provision of the article limits its scope to services that "organise and promote" user-posted/uploaded content "for profit-making purposes".
The 3 criteria you quoted then further narrow which of the services matching the above provision need to deploy upload filters.
Come to think of it, the pastebin-like site is actually already excluded by the "organise and promote" criterium, regardless of whether it's profit-oriented or not.
