Seems like it crashed in a test (not related to my change):
**16:55:55** Test Case 'CompilationDatabaseTests.testCompilationDatabaseBuildSystem' started at 2019-09-19 14:55:55.966
**16:55:55** Test Case 'CompilationDatabaseTests.testCompilationDatabaseBuildSystem' passed (0.001 seconds)
**16:55:55** Test Case 'CompilationDatabaseTests.testDecodeCompDBCommand' started at 2019-09-19 14:55:55.967
**16:55:55** Test Case 'CompilationDatabaseTests.testDecodeCompDBCommand' passed (0.0 seconds)
**16:55:55** Test Case 'CompilationDatabaseTests.testEncodeCompDBCommand' started at 2019-09-19 14:55:55.967
**16:55:55** Test Case 'CompilationDatabaseTests.testEncodeCompDBCommand' passed (0.001 seconds)
**16:55:55** Test Case 'CompilationDatabaseTests.testJSONCompilationDatabaseCoding' started at 2019-09-19 14:55:55.968
**16:55:56** Exited with signal code 4