It's apparently not considered a fatal issue so the canaries are still green, but it should still be either fixed or removed.

For example:
https://luci-milo.appspot.com/buildbot/chromeos/caroline-release/1711


"
************************************************************
** Start Stage DebugInfoTest - Thu, 03 May 2018 13:43:07 -0700 (PDT)
** 
** Perform tests that are based on debug info
** 
**   Tests may include, for example,
**     * whether dwarf info exists
**     * whether clang is used
**     * whether FORTIFY is enabled, etc.
************************************************************
13:43:07: INFO: Created cidb engine bot@130.211.191.11 for pid 15560
13:43:07: INFO: Running cidb query on pid 15560, repr(query) starts with <sqlalchemy.sql.expression.Update object at 0x7f8e28a1d250>
Preconditions for the stage successfully met. Beginning to execute stage...
13:43:08: INFO: Running cidb query on pid 15560, repr(query) starts with <sqlalchemy.sql.expression.Update object at 0x7f8e231a6a90>
13:43:08: INFO: RunCommand: cros_sdk -- debug_info_test /build/caroline/usr/lib/debug
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/telemetry_dep/test_src/src/out/Release/clear_system_cache.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/telemetry_dep/test_src/src/out/Release/minidump_stackwalk.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/telemetry_dep/test_src/src/out/Release/bitmaptools.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/telemetry_dep/test_src/third_party/catapult/third_party/vinn/third_party/v8/linux/x86_64/d8.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/wayland_client_perftests.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/video_decode_accelerator_unittest.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/ozone_gl_unittests.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/chrome_sandbox.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/video_encode_accelerator_unittest.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/media_unittests.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/sandbox_linux_unittests.debug failed check: check_exist: check_debug_info
/build/caroline/usr/lib/debug/usr/local/build/autotest/client/deps/chrome_test/test_src/out/Release/jpeg_decode_accelerator_unittest.debug failed check: check_exist: check_debug_info
13:55:45: WARNING: Traceback (most recent call last):
  File "/b/c/cbuild/repository/chromite/cbuildbot/stages/generic_stages.py", line 701, in Run
    self.PerformStage()
  File "/b/c/cbuild/repository/chromite/cbuildbot/stages/test_stages.py", line 503, in PerformStage
    cros_build_lib.RunCommand(cmd, enter_chroot=True)
  File "/b/c/cbuild/repository/chromite/lib/cros_build_lib.py", line 658, in RunCommand
    raise RunCommandError(msg, cmd_result)
RunCommandError: return code: 1; command: cros_sdk -- debug_info_test /build/caroline/usr/lib/debug
cmd=['cros_sdk', '--', 'debug_info_test', u'/build/caroline/usr/lib/debug']

13:55:45: INFO: Running cidb query on pid 15560, repr(query) starts with <sqlalchemy.sql.expression.Update object at 0x7f8e23f36cd0>
************************************************************
** Finished Stage DebugInfoTest - Thu, 03 May 2018 13:55:45 -0700 (PDT)
************************************************************
"


Assigning to sheriffs for triage.