logs xcode WDA build never finish

logs xcode WDA build

xcodebuild -project WebDriverAgent.xcodeproj -scheme WebDriverAgentRunner -destination 'id=MyUDID' test

2017-01-03 10:09:28.771 xcodebuild[29577:306605]  IDETestOperationsObserverDebug: Writing diagnostic log for test session to:
/Users/admin/Library/Developer/Xcode/DerivedData/WebDriverAgent-brdadhpuduowllgivnnvuygpwhzy/Logs/Test/8F290DEC-9ACF-4AF3-A372-62B56969581A/Session-WebDriverAgentRunner-2017-01-03_100928-6BOqbF.log
2017-01-03 10:09:28.771 xcodebuild[29577:306585] [MT] IDETestOperationsObserverDebug: (06683315-3852-437E-BF23-AFC3CA1F24EF) Beginning test session WebDriverAgentRunner-06683315-3852-437E-BF23-AFC3CA1F24EF at 2017-01-03 10:09:28.769 with Xcode 8C1002 on target <DVTiOSDevice: 0x7f84937e8f80> {
		deviceSerialNumber:         DMPQ9AJLG5VT
		identifier:                 MYUDID
		deviceClass:                iPad
		deviceName:                 iPad de admin
		deviceIdentifier:           MYUDID
		productVersion:             10.2
		buildVersion:               14C92
		deviceSoftwareVersion:      10.2 (14C92)
		deviceArchitecture:         arm64
		deviceTotalCapacity:        12246020096
		deviceAvailableCapacity:    9851224064
		deviceIsTransient:          NO
		ignored:                    NO
		deviceIsBusy:               NO
		deviceIsActivated:          YES
		deviceActivationState:      Activated
		deviceType:                 <DVTDeviceType:0x7f849352b7e0 Xcode.DeviceType.iPhone>
		supportedDeviceFamilies:    (
    1,
    2
)
		applications:              (null)
		provisioningProfiles:      (null)
		activityProgress:          -2
		activityTitle:             
		hasInternalSupport:        NO
		isSupportedOS:             YES
		developerDiskMountError:   (null)
(null)
	} (10.2 (14C92))
=== BUILD TARGET WebDriverAgentLib OF PROJECT WebDriverAgent WITH CONFIGURATION Debug ===

Check dependencies

=== BUILD TARGET WebDriverAgentRunner OF PROJECT WebDriverAgent WITH CONFIGURATION Debug ===

Check dependencies

writeDictToFile:1278 ==== Successfully wrote Manifest cache to /var/folders/q_/qrljfd293hq15gq3f1_rdyg40000gn/C/com.apple.DeveloperTools/All/Xcode/EmbeddedAppDeltas/bab6358263711a0d0da23c6def3dc9ef/MYUDID/ManifestCache.plist

Unexpected failure with no current test or suite:
	Failed to receive completion for <XCDeviceEvent:0x17402d3e0 page 12 usage 64 duration 0.01s within 30.0s

Test Suite 'All tests' started at 2017-01-03 10:10:09.480
Test Suite 'WebDriverAgentRunner.xctest' started at 2017-01-03 10:10:09.486
Test Suite 'UITestingUITests' started at 2017-01-03 10:10:09.488
Test Case '-[UITestingUITests testRunner]' started.
    t =     0.00s     Start Test at 2017-01-03 10:10:09.497
    t =     0.01s     Set Up