[2283db51] Backward incompatibility:
File "backward_incompatible_record_new.atd", line 2, characters 2-18:
Required field 'added_field' is new.
The following types are affected:
  backward_incompatible_record

[3c1ae3e6] Backward incompatibility:
File "backward_incompatible_record_old.atd", line 2, characters 2-31
File "backward_incompatible_record_new.atd", line 3, characters 2-23:
Formerly optional field 'becomes_required' is now required.
The following types are affected:
  backward_incompatible_record

