[['BUILD.gn',
  '18',
  'error_1',
  'subpackage1/dummy_subpackage1.cc',
  'subpackage1'],
 ['BUILD.gn',
  '19',
  'error_1',
  'subpackage1/dummy_subpackage1.h',
  'subpackage1'],
 ['BUILD.gn',
  '25',
  'error_2',
  'subpackage1/dummy_subpackage2.cc',
  'subpackage1'],
 ['BUILD.gn',
  '26',
  'error_2',
  'subpackage1/dummy_subpackage2.h',
  'subpackage1']]