[['subpackage2/BUILD.gn',
  '12',
  'error_2',
  'subsubpackage2/dummy_subsubpackage2.cc',
  'subsubpackage2'],
 ['subpackage2/BUILD.gn',
  '13',
  'error_2',
  'subsubpackage2/dummy_subsubpackage2.h',
  'subsubpackage2'],
 ['subpackage1/BUILD.gn',
  '12',
  'error_1',
  'subsubpackage1/dummy_subsubpackage1.cc',
  'subsubpackage1'],
 ['subpackage1/BUILD.gn',
  '13',
  'error_1',
  'subsubpackage1/dummy_subsubpackage1.h',
  'subsubpackage1']]