2018.3 getCompilerTester().make() chokes on the lock

[wisechengyi]

"AWT-EventQueue-0 2018.3#IC-183.4284.148 IDEA, eap:false, os:Mac OS X 10.14.1, java-version:Twitter 1.8.0_162-Tw8r19b0-b12 2018.3#IC-183.4284.148 IDEA, eap:false, os:Mac OS X 10.14.1, java-version:Twitter 1.8.0_162-Tw8r19b0-b12" #17 prio=6 os_prio=31 tid=0x00007fedeb61b800 nid=0x1300f waiting on condition [0x000070000b91f000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x0000000701a9eea8> (a com.intellij.util.concurrency.Semaphore$Sync)
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
	at com.intellij.util.concurrency.Semaphore.waitForUnsafe(Semaphore.java:97)
	at com.intellij.util.concurrency.Semaphore.waitFor(Semaphore.java:87)
	at com.intellij.testFramework.CompilerTester.runCompiler(CompilerTester.java:231)
	at com.intellij.testFramework.CompilerTester.make(CompilerTester.java:159)
	at com.twitter.intellij.pants.integration.ExternalBuilderIntegrationTest.testExternalBuilderError(ExternalBuilderIntegrationTest.java:27)