P1 because it's in the informational builders.

Link to logs:
https://luci-logdog.appspot.com/v/?s=chromeos/buildbucket/cr-buildbucket.appspot.com/8935579443772288560/+/steps/UnitTest/0/stdout


Sample below, many more included in the linked logs. 

 * ASAN error detected:
drivefs-0.0.1-r95:  * 
drivefs-0.0.1-r95:  * =================================================================
drivefs-0.0.1-r95:  * ==17==ERROR: LeakSanitizer: detected memory leaks
drivefs-0.0.1-r95:  * 
drivefs-0.0.1-r95:  * Direct leak of 16 byte(s) in 1 object(s) allocated from:
drivefs-0.0.1-r95:  *     #0 0x7f01ce152ea2 in operator new(unsigned long) ??:0:0
drivefs-0.0.1-r95:  *     #1 0x7f01cb8935b9 in dbus::Response::FromMethodCall(dbus::MethodCall*) /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/dbus/message.cc:411:38
drivefs-0.0.1-r95:  *     #2 0x7f01ce16c4e5 in drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::'lambda'(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)::operator()(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>) const /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../drivefs-0.0.1/platform/drivefs/chromeos_core_client_delegate_impl_unittest.cc:151:19
drivefs-0.0.1-r95:  *     #3 0x7f01ce16c4e5 in void testing::internal::InvokeHelper<void, std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > >::Invoke<drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::'lambda'(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>(drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::'lambda'(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>), std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > const&) /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../../../../../../usr/include/gmock/gmock-generated-actions.h:106:0
drivefs-0.0.1-r95:  *     #4 0x7f01ce16c4e5 in void testing::internal::InvokeAction<drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::'lambda'(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::Perform<void, std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > >(std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > const&) /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../../../../../../usr/include/gmock/gmock-more-actions.h:61:0
drivefs-0.0.1-r95:  *     #5 0x7f01ce16c4e5 in testing::PolymorphicAction<testing::internal::InvokeAction<drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::'lambda'(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)> >::MonomorphicImpl<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::Perform(std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > const&) /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../../../../../../usr/include/gmock/gmock-actions.h:446:0
drivefs-0.0.1-r95:  *     #6 0x7f01ce68d2d5 in testing::Action<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::Perform(std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > const&) const /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/../../../../../../usr/include/gmock/gmock-actions.h:395:19
drivefs-0.0.1-r95:  *     #7 0x7f01ce68e282 in testing::internal::ActionResultHolder<void>* testing::internal::ActionResultHolder<void>::PerformAction<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>(testing::Action<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)> const&, testing::internal::Function<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::ArgumentTuple const&) /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/../../../../../../usr/include/gmock/gmock-spec-builders.h:1443:12
drivefs-0.0.1-r95:  *     #8 0x7f01ce68b9a1 in testing::internal::FunctionMockerBase<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::UntypedPerformAction(void const*, void const*) const /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/../../../../../../usr/include/gmock/gmock-spec-builders.h:1542:12
drivefs-0.0.1-r95:  *     #9 0x7f01cdfc0e72 in testing::internal::UntypedFunctionMockerBase::UntypedInvokeWith(void const*) /build/betty/tmp/portage/dev-cpp/gmock-1.8.0/work/googletest-release-1.8.0/googlemock-abi_x86_64.amd64/./src/gmock-spec-builders.cc:411:15
drivefs-0.0.1-r95:  *     #10 0x7f01ce6a855c in testing::internal::FunctionMockerBase<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::InvokeWith(std::__1::tuple<dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1> > const&) /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/../../../../../../usr/include/gmock/gmock-spec-builders.h:1585:40
drivefs-0.0.1-r95:  *     #11 0x7f01ce6a828b in testing::internal::FunctionMocker<void (dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>)>::Invoke(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>) /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/../../../../../../usr/include/gmock/gmock-generated-function-mockers.h:144:18
drivefs-0.0.1-r95:  *     #12 0x7f01ce679fa8 in dbus::MockObjectProxy::CallMethod(dbus::MethodCall*, int, base::Callback<void (dbus::Response*), (base::internal::CopyMode)1>) /build/betty/tmp/portage/chromeos-base/libchrome-395517-r45/work/libchrome-395517/./dbus/mock_object_proxy.h:47:3
drivefs-0.0.1-r95:  *     #13 0x7f01cdf2b011 in brillo::http::GetChromeProxyServersAsync(scoped_refptr<dbus::Bus>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, base::Callback<void (bool, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&), (base::internal::CopyMode)1> const&) /build/betty/var/cache/portage/chromeos-base/libbrillo/out/Default/../../../../../../../tmp/portage/chromeos-base/libbrillo-0.0.1-r1369/work/libbrillo-0.0.1/libbrillo/brillo/http/http_proxy.cc:128:10
drivefs-0.0.1-r95:  *     #14 0x7f01ce309c01 in drivefs::ChromeOSCoreClientDelegateImpl::GetProxyForUrl(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::function<void (std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)>) /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../drivefs-0.0.1/platform/drivefs/chromeos_core_client_delegate_impl.cc:195:3
drivefs-0.0.1-r95:  *     #15 0x7f01ce167124 in drivefs::(anonymous namespace)::ChromeOSCoreClientDelegateImplTest::RunGetProxyForUrlTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../drivefs-0.0.1/platform/drivefs/chromeos_core_client_delegate_impl_unittest.cc:161:15
drivefs-0.0.1-r95:  *     #16 0x7f01ce167b34 in drivefs::ChromeOSCoreClientDelegateImplTest_GetProxyForUrl_InvalidResponse_Test::TestBody() /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../drivefs-0.0.1/platform/drivefs/chromeos_core_client_delegate_impl_unittest.cc:475:3
drivefs-0.0.1-r95:  *     #17 0x7f01ce017f93 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2402:10
drivefs-0.0.1-r95:  *     #18 0x7f01ce017f93 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2438:0
drivefs-0.0.1-r95:  *     #19 0x7f01cdffe6a0 in testing::Test::Run() /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2474:5
drivefs-0.0.1-r95:  *     #20 0x7f01cdfff5ff in testing::TestInfo::Run() /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2656:11
drivefs-0.0.1-r95:  *     #21 0x7f01cdfffc86 in testing::TestCase::Run() /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2774:28
drivefs-0.0.1-r95:  *     #22 0x7f01ce0087e6 in testing::internal::UnitTestImpl::RunAllTests() /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:4649:43
drivefs-0.0.1-r95:  *     #23 0x7f01ce018ab3 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2402:10
drivefs-0.0.1-r95:  *     #24 0x7f01ce018ab3 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:2438:0
drivefs-0.0.1-r95:  *     #25 0x7f01ce00839e in testing::UnitTest::Run() /build/betty/tmp/portage/dev-cpp/gtest-1.8.0-r1/work/googletest-release-1.8.0/googletest-abi_x86_64.amd64/./src/gtest.cc:4257:10
drivefs-0.0.1-r95:  *     #26 0x7f01ce24171a in RUN_ALL_TESTS() /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../../../../../../usr/include/gtest/gtest.h:2233:46
drivefs-0.0.1-r95:  *     #27 0x7f01ce24171a in main /build/betty/tmp/portage/chromeos-base/drivefs-0.0.1-r95/work/build/out/Default/../../../drivefs-0.0.1/platform/drivefs/drivefs_testrunner.cc:18:0
drivefs-0.0.1-r95:  *     #28 0x7f01caa05735 in __libc_start_main /var/tmp/portage/cross-x86_64-cros-linux-gnu/glibc-2.23-r19/work/glibc-2.23/csu/../csu/libc-start.c:289:0
drivefs-0.0.1-r95:  *     #29 0x7f01ce07d638 in _start ??:0:0