WARNING [3003] Cannot evaluate condition (User.Email IS ONE OF ['jane@example.com', 'john@example.com']) for setting 'featureWithNegatedSegmentTargetingCleartext' (the User.Email attribute is missing). You should set the User.Email attribute in order to make targeting work properly. Read more: https://configcat.com/docs/advanced/user-object/
INFO [5000] Evaluating 'featureWithNegatedSegmentTargetingCleartext' for User '{"Identifier":"12345"}'
  Evaluating targeting rules and applying the first match if any:
  - IF User IS NOT IN SEGMENT 'Beta users (cleartext)'
    (
      Evaluating segment 'Beta users (cleartext)':
      - IF User.Email IS ONE OF ['jane@example.com', 'john@example.com'] => false, skipping the remaining AND conditions
      Segment evaluation result: cannot evaluate, the User.Email attribute is missing.
      Condition (User IS NOT IN SEGMENT 'Beta users (cleartext)') failed to evaluate.
    )
    THEN 'true' => cannot evaluate, the User.Email attribute is missing
    The current targeting rule is ignored and the evaluation continues with the next rule.
  Returning 'false'.