OLA Build Fail for Ubuntu Mate 15.04...

Below is the final outputs for this command:
time pbuilder-dist vivid build ola_0.9.6-1ubuntu1.dsc
=========================================================

/bin/bash ./libtool  --tag=CXX   --mode=link g++ -I./include -I./include -Wall -Wformat -W -fvisibility-inlines-hidden -pthread -Werror  -DTEST_SRC_DIR=\".\" -DTEST_BUILD_DIR=\".\" -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -pthread  -Wl,-Bsymbolic-functions -Wl,-z,relro -o tools/ola_trigger/ActionTester tools/ola_trigger/tools_ola_trigger_ActionTester-ActionTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-ContextTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-DMXTriggerTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-IntervalTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-SlotTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-VariableInterpolatorTest.o -L/usr/lib/x86_64-linux-gnu -lcppunit -ldl common/testing/libolatesting.la common/testing/libtestmain.la common/libolacommon.la  tools/ola_trigger/libolatrigger.la -ldl
libtool: link: g++ -I./include -I./include -Wall -Wformat -W -fvisibility-inlines-hidden -pthread -Werror -DTEST_SRC_DIR=\".\" -DTEST_BUILD_DIR=\".\" -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -pthread -Wl,-Bsymbolic-functions -Wl,-z -Wl,relro -o tools/ola_trigger/.libs/ActionTester tools/ola_trigger/tools_ola_trigger_ActionTester-ActionTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-ContextTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-DMXTriggerTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-IntervalTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-SlotTest.o tools/ola_trigger/tools_ola_trigger_ActionTester-VariableInterpolatorTest.o  -L/usr/lib/x86_64-linux-gnu -lcppunit common/testing/.libs/libolatesting.a common/testing/.libs/libtestmain.a common/.libs/libolacommon.so tools/ola_trigger/.libs/libolatrigger.so -ldl -pthread
make[4]: Nothing to be done for 'python/ola/rpc/SimpleRpcControllerTest.py'.
make[4]: Nothing to be done for 'python/ola/DUBDecoderTest.py'.
make[4]: Nothing to be done for 'python/ola/MACAddressTest.py'.
make[4]: Nothing to be done for 'python/ola/UIDTest.py'.
make[4]: Leaving directory '/tmp/buildd/ola-0.9.6'
make  check-TESTS
make[4]: Entering directory '/tmp/buildd/ola-0.9.6'
make[5]: Entering directory '/tmp/buildd/ola-0.9.6'
PASS: common/base/CredentialsTester
PASS: common/base/FlagsTester
PASS: common/base/LoggingTester
PASS: common/dmx/RunLengthEncoderTester
PASS: common/export_map/ExportMapTester
PASS: common/file/UtilTester
PASS: common/io/DescriptorTester
PASS: common/io/IOQueueTester
PASS: common/io/IOStackTester
PASS: common/io/MemoryBlockTester
PASS: common/io/SelectServerTester
PASS: common/io/StreamTester
PASS: common/io/TimeoutManagerTester
PASS: common/messaging/DescriptorTester
PASS: common/network/HealthCheckedConnectionTester
PASS: common/network/NetworkTester
PASS: common/network/TCPConnectorTester
PASS: common/rdm/DiscoveryAgentTester
PASS: common/rdm/PidStoreTester
PASS: common/rdm/QueueingRDMControllerTester
PASS: common/rdm/RDMAPITester
PASS: common/rdm/RDMCommandSerializerTester
PASS: common/rdm/RDMCommandTester
PASS: common/rdm/RDMFrameTester
PASS: common/rdm/RDMHelperTester
PASS: common/rdm/RDMMessageTester
PASS: common/rdm/RDMReplyTester
PASS: common/rdm/UIDAllocatorTester
PASS: common/rdm/UIDTester
PASS: common/rpc/RpcTester
PASS: common/rpc/RpcServerTester
PASS: common/strings/UtilsTester
PASS: common/thread/ExecutorThreadTester
PASS: common/thread/ThreadTester
PASS: common/thread/FutureTester
PASS: common/timecode/TimeCodeTester
PASS: common/utils/UtilsTester
PASS: common/web/JsonTester
PASS: common/web/ParserTester
PASS: common/web/PtchParserTester
PASS: common/web/PtchTester
PASS: common/web/PointerTester
PASS: common/web/PointerTrackerTester
PASS: common/web/SchemaParserTester
PASS: common/web/SchemaTester
PASS: common/web/SectionsTester
PASS: data/rdm/PidDataTester
PASS: ola/OlaClientTester
PASS: plugins/artnet/ArtNetTester
PASS: plugins/dummy/DummyPluginTester
PASS: plugins/espnet/EspNetTester
PASS: plugins/kinet/KiNetTester
PASS: plugins/openpixelcontrol/OPCClientTester
PASS: plugins/openpixelcontrol/OPCServerTester
PASS: plugins/osc/OSCTester
PASS: plugins/shownet/ShowNetTester
PASS: plugins/spi/SPITester
FAIL: plugins/usbdmx/LibUsbThreadTester
PASS: plugins/usbpro/ArduinoWidgetTester
PASS: plugins/usbpro/BaseRobeWidgetTester
PASS: plugins/usbpro/BaseUsbProWidgetTester
PASS: plugins/usbpro/DmxTriWidgetTester
PASS: plugins/usbpro/DmxterWidgetTester
PASS: plugins/usbpro/EnttecUsbProWidgetTester
PASS: plugins/usbpro/RobeWidgetDetectorTester
PASS: plugins/usbpro/RobeWidgetTester
PASS: plugins/usbpro/UltraDMXProWidgetTester
PASS: plugins/usbpro/UsbProWidgetDetectorTester
PASS: plugins/usbpro/WidgetDetectorThreadTester
PASS: plugins/e131/e131/E131Tester
PASS: plugins/e131/e131/E133Tester
PASS: plugins/e131/e131/TransportTester
PASS: olad/ClientTester
PASS: olad/DeviceTester
PASS: olad/OlaTester
PASS: olad/PortTester
PASS: olad/UniverseTester
PASS: tools/ola_trigger/ActionTester
echo "PYTHONPATH=./python PIDDATA=./data/rdm /usr/bin/python ./data/rdm/PidDataTest.py; exit \$?" > data/rdm/PidDataTest.sh
chmod +x data/rdm/PidDataTest.sh
PASS: data/rdm/PidDataTest.sh
echo "for FILE in ./examples/testdata/dos_line_endings ./examples/testdata/multiple_unis ./examples/testdata/partial_frames ./examples/testdata/single_uni ./examples/testdata/trailing_timeout; do echo \"Checking \$FILE\"; ./examples/ola_recorder --verify \$FILE; STATUS=\$?; if [ \$STATUS -ne 0 ]; then echo \"FAIL: \$FILE caused ola_recorder to exit with status \$STATUS\"; exit \$STATUS; fi; done; exit 0" > examples/RecorderVerifyTest.sh
chmod +x examples/RecorderVerifyTest.sh
PASS: examples/RecorderVerifyTest.sh
mkdir -p python/ola/rpc
echo "export PYTHONPATH=./python:./python; /usr/bin/python ./python/ola/rpc/SimpleRpcControllerTest.py; exit \$?" > python/ola/rpc/SimpleRpcControllerTest.sh
chmod +x python/ola/rpc/SimpleRpcControllerTest.sh
PASS: python/ola/rpc/SimpleRpcControllerTest.sh
PASS: python/ola/DUBDecoderTest.py
PASS: python/ola/MACAddressTest.py
PASS: python/ola/UIDTest.py
echo "for FILE in ./tools/ola_trigger/example.conf ./tools/ola_trigger/test_file.conf ./tools/ola_trigger/contrib/mac_volume.conf ./tools/ola_trigger/contrib/mac_itunes.conf; do echo \"Checking \$FILE\"; ./tools/ola_trigger/ola_trigger --validate \$FILE; STATUS=\$?; if [ \$STATUS -ne 0 ]; then echo \"FAIL: \$FILE caused ola_trigger to exit with status \$STATUS\"; exit \$STATUS; fi; done; exit 0" > tools/ola_trigger/FileValidateTest.sh
chmod +x tools/ola_trigger/FileValidateTest.sh
PASS: tools/ola_trigger/FileValidateTest.sh
make[6]: Entering directory '/tmp/buildd/ola-0.9.6'
make  all-recursive
make[7]: Entering directory '/tmp/buildd/ola-0.9.6'
Making all in java
make[8]: Entering directory '/tmp/buildd/ola-0.9.6/java'
make[8]: Nothing to be done for 'all'.
make[8]: Leaving directory '/tmp/buildd/ola-0.9.6/java'
make[8]: Entering directory '/tmp/buildd/ola-0.9.6'
make[8]: Leaving directory '/tmp/buildd/ola-0.9.6'
make[7]: Leaving directory '/tmp/buildd/ola-0.9.6'
make[6]: Leaving directory '/tmp/buildd/ola-0.9.6'
=================================
   OLA 0.9.6: ./test-suite.log
=================================

# TOTAL: 85
# PASS:  84
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0

.. contents:: :depth: 2

FAIL: plugins/usbdmx/LibUsbThreadTester
=======================================

.plugins/usbdmx/LibUsbThreadTest.cpp:68: Failed to init libusb
.plugins/usbdmx/LibUsbThreadTest.cpp:68: Failed to init libusb
Received Segmentation fault
/tmp/buildd/ola-0.9.6/common/.libs/libolacommon.so.0(+0x8be06)[0x7f0ccaea0e06]
/lib/x86_64-linux-gnu/libc.so.6(+0x352f0)[0x7f0cca3432f0]
/lib/x86_64-linux-gnu/libpthread.so.0(pthread_mutex_lock+0x4)[0x7f0cc98bfc84]
/lib/x86_64-linux-gnu/libusb-1.0.so.0(libusb_hotplug_register_callback+0x108)[0x7f0ccac07948]
/tmp/buildd/ola-0.9.6/plugins/usbdmx/.libs/lt-LibUsbThreadTester[0x404ff0]
/tmp/buildd/ola-0.9.6/plugins/usbdmx/.libs/lt-LibUsbThreadTester[0x403b77]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZNK7CppUnit21TestCaseMethodFunctorclEv+0x22)[0x7f0ccb2050b2]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit16DefaultProtector7protectERKNS_7FunctorERKNS_16ProtectorContextE+0x33)[0x7f0ccb1fad43]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit14ProtectorChain7protectERKNS_7FunctorERKNS_16ProtectorContextE+0x30d)[0x7f0ccb20211d]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit10TestResult7protectERKNS_7FunctorEPNS_4TestERKSs+0x49)[0x7f0ccb20b1e9]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit8TestCase3runEPNS_10TestResultE+0x11a)[0x7f0ccb204dda]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit13TestComposite15doRunChildTestsEPNS_10TestResultE+0x43)[0x7f0ccb205453]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit13TestComposite3runEPNS_10TestResultE+0x1e)[0x7f0ccb20536e]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit13TestComposite15doRunChildTestsEPNS_10TestResultE+0x43)[0x7f0ccb205453]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit13TestComposite3runEPNS_10TestResultE+0x1e)[0x7f0ccb20536e]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit10TestResult7runTestEPNS_4TestE+0x22)[0x7f0ccb20adb2]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit10TestRunner3runERNS_10TestResultERKSs+0x3e)[0x7f0ccb20d81e]
/usr/lib/x86_64-linux-gnu/libcppunit-1.13.so.0(_ZN7CppUnit14TextTestRunner3runESsbbb+0x70)[0x7f0ccb20f8b0]
/tmp/buildd/ola-0.9.6/plugins/usbdmx/.libs/lt-LibUsbThreadTester[0x403133]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f0cca32ea40]
/tmp/buildd/ola-0.9.6/plugins/usbdmx/.libs/lt-LibUsbThreadTester[0x4032f9]

============================================================================
Testsuite summary for OLA 0.9.6
============================================================================
# TOTAL: 85
# PASS:  84
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0
============================================================================
See ./test-suite.log
Please report to open-lighting@googlegroups.com
============================================================================
Makefile:15248: recipe for target 'test-suite.log' failed
make[5]: *** [test-suite.log] Error 1
make[5]: Leaving directory '/tmp/buildd/ola-0.9.6'
Makefile:15354: recipe for target 'check-TESTS' failed
make[4]: *** [check-TESTS] Error 2
make[4]: Leaving directory '/tmp/buildd/ola-0.9.6'
Makefile:16152: recipe for target 'check-am' failed
make[3]: *** [check-am] Error 2
make[3]: Leaving directory '/tmp/buildd/ola-0.9.6'
Makefile:15134: recipe for target 'check-recursive' failed
make[2]: *** [check-recursive] Error 1
make[2]: Leaving directory '/tmp/buildd/ola-0.9.6'
Makefile:16156: recipe for target 'check' failed
make[1]: *** [check] Error 2
make[1]: Leaving directory '/tmp/buildd/ola-0.9.6'
dh_auto_test: make -j1 check returned exit code 2
debian/rules:14: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
E: Failed autobuilding of package
I: unmounting dev/pts filesystem
W: Could not unmount dev/pts: umount: /var/cache/pbuilder/build//24052/dev/pts: not mounted
W: Ignored error in unmount
I: unmounting run/shm filesystem
I: unmounting proc filesystem
I: cleaning the build env
I: removing directory /var/cache/pbuilder/build//24052 and its subdirectories

real	88m39.265s
user	72m54.920s
sys	4m34.896s