https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.fyi%2FFuchsia%2F8782%2F%2B%2Frecipes%2Fsteps%2Fmedia_unittests%2F0%2Fstdout

[00744.001] 02882.03008> 3 tests timed out:
[00744.001] 02882.03008>     ChunkDemuxerTest.Init (../../media/filters/chunk_demuxer_unittest.cc:1351)
[00744.001] 02882.03008>     FFmpegDemuxerTest.Read_EndOfStream (../../media/filters/ffmpeg_demuxer_unittest.cc:957)
[00744.001] 02882.03008>     FFmpegDemuxerTest.UnsupportedAudioSupportedVideoDemux (../../media/filters/ffmpeg_demuxer_unittest.cc:1234)
[00744.001] 02882.03008> 1 test crashed:
[00744.001] 02882.03008>     FFmpegDemuxerTest.Read_Webm_Media_Track_Info (../../media/filters/ffmpeg_demuxer_unittest.cc:1571)

stack for crash

#01: std::__1::vector<std::__1::unique_ptr<media::MediaTrack, std::__1::default_delete<media::MediaTrack> >, std::__1::allocator<std::__1::unique_ptr<media::MediaTrack, std::__1::default_delete<media::MediaTrack> > > >::size() const at /b/c/builder/linux/src/out/Release/../../buildtools/third_party/libc++/trunk/include/vector:638
      (inlined by) media::FFmpegDemuxerTest_Read_Webm_Media_Track_Info_Test::TestBody() at /b/c/builder/linux/src/out/Release/../../media/filters/ffmpeg_demuxer_unittest.cc:1575
#02: testing::internal::UnitTestImpl::os_stack_trace_getter() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:4918
      (inlined by) testing::Test::Run() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:2478
#03: testing::internal::UnitTestImpl::os_stack_trace_getter() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:4918
      (inlined by) testing::TestInfo::Run() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:2657
#04: testing::TestCase::Run() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:2770
#05: testing::internal::UnitTestImpl::RunAllTests() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:4647
#06: testing::UnitTest::Run() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/src/gtest.cc:4256
#07: RUN_ALL_TESTS() at /b/c/builder/linux/src/out/Release/../../third_party/googletest/src/googletest/include/gtest/gtest.h:2237
      (inlined by) base::TestSuite::Run() at /b/c/builder/linux/src/out/Release/../../base/test/test_suite.cc:270
#08: base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1>::Run() const & at /b/c/builder/linux/src/out/Release/../../base/callback.h:80
      (inlined by) base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, unsigned long, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) at /b/c/builder/linux/src/out/Release/../../base/test/launcher/unit_test_launcher.cc:216
#09: base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) at /b/c/builder/linux/src/out/Release/../../base/test/launcher/unit_test_launcher.cc:475
#10: main at /b/c/builder/linux/src/out/Release/../../media/test/run_all_unittests.cc:63
#11: media_unittests+0x1c22e