They can't read my no-index if they obey my robots.txt. Do they break the robots.txt to be able to read my no-index or do they assume my "Disallow: /" means I'm

They can't read my no-index if they obey my robots.txt. Do they break the robots.txt to be able to read my no-index or do they assume my "Disallow: /" means I'm fine with them indexing/linking? Without the noindex part of robots.txt (which google decided to ignore not so long ago) this is not solvable.