$ bazel clean --expunge
INFO: Starting clean (this may take a while). Consider using --async if the clean takes more than several minutes.

$ bazel coverage --instrumentation_filter=//src/com/corp/profiles //test/com/corp/profiles:unit
...........
INFO: Analysed target //test/com/corp/profiles:unit (171 packages loaded).
INFO: Found 1 test target...
ERROR: /Users/robfig/alpha/src/com/corp/profileservice/validation2/error/BUILD:3:1: Building src/com/corp/profileservice/validation2/error/liberror.jar (3 source files) failed (Exit 1): java failed: error executing command
  (cd /private/var/tmp/_bazel_robfig/1db08896ecff7e5e96a745981c3b77e6/execroot/__main__ && \
  exec env - \
    LC_CTYPE=en_US.UTF-8 \
  external/local_jdk/bin/java -XX:+TieredCompilation '-XX:TieredStopAtLevel=1' -Xbootclasspath/p:external/bazel_tools/third_party/java/jdk/langtools/javac-9-dev-r4023-3.jar -jar external/bazel_tools/tools/jdk/JavaBuilder_deploy.jar @bazel-out/darwin-fastbuild/bin/src/com/corp/profileservice/validation2/error/liberror.jar-2.params)
java.nio.file.DirectoryNotEmptyException: bazel-out/darwin-fastbuild/coverage-metadata/com/corp/profileservice/completion
	at sun.nio.fs.UnixFileSystemProvider.implDelete(UnixFileSystemProvider.java:242)
	at sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103)
	at java.nio.file.Files.delete(Files.java:1126)
	at com.google.devtools.build.buildjar.instrumentation.JacocoInstrumentationProcessor$2.postVisitDirectory(JacocoInstrumentationProcessor.java:153)
	at com.google.devtools.build.buildjar.instrumentation.JacocoInstrumentationProcessor$2.postVisitDirectory(JacocoInstrumentationProcessor.java:143)
	at java.nio.file.Files.walkFileTree(Files.java:2688)
	at java.nio.file.Files.walkFileTree(Files.java:2742)
	at com.google.devtools.build.buildjar.instrumentation.JacocoInstrumentationProcessor.recursiveRemove(JacocoInstrumentationProcessor.java:141)
	at com.google.devtools.build.buildjar.instrumentation.JacocoInstrumentationProcessor.processRequest(JacocoInstrumentationProcessor.java:79)
	at com.google.devtools.build.buildjar.SimpleJavaLibraryBuilder.buildJar(SimpleJavaLibraryBuilder.java:140)
	at com.google.devtools.build.buildjar.SimpleJavaLibraryBuilder.run(SimpleJavaLibraryBuilder.java:118)
	at com.google.devtools.build.buildjar.BazelJavaBuilder.processRequest(BazelJavaBuilder.java:105)
	at com.google.devtools.build.buildjar.BazelJavaBuilder.runPersistentWorker(BazelJavaBuilder.java:67)
	at com.google.devtools.build.buildjar.BazelJavaBuilder.main(BazelJavaBuilder.java:45)
Target //test/com/corp/profiles:unit failed to build
INFO: Elapsed time: 111.911s, Critical Path: 39.00s
FAILED: Build did NOT complete successfully

Executed 0 out of 1 test: 1 fails to build.

$ bazel test //test/com/corp/profiles:unit
INFO: Analysed target //test/com/corp/profiles:unit (0 packages loaded).
INFO: Found 1 test target...
Target //test/com/corp/profiles:unit up-to-date:
  bazel-bin/test/com/corp/profiles/unit.jar
  bazel-bin/test/com/corp/profiles/unit
INFO: Elapsed time: 26.749s, Critical Path: 22.90s
INFO: Build completed successfully, 139 total actions
//test/com/corp/profiles:unit                                            PASSED in 5.5s

Executed 1 out of 1 test: 1 test passes.

$ bazel info
output_path: /private/var/tmp/_bazel_robfig/1db08896ecff7e5e96a745981c3b77e6/execroot/__main__/bazel-out

$ ls /private/var/tmp/_bazel_robfig/1db08896ecff7e5e96a745981c3b77e6/execroot/__main__/bazel-out/darwin-fastbuild/coverage-metadata/com/corp/profileservice/completion
ls: /private/var/tmp/_bazel_robfig/1db08896ecff7e5e96a745981c3b77e6/execroot/__main__/bazel-out/darwin-fastbuild/coverage-metadata/com/corp/profileservice/completion: No such file or directory