Reproduce steps: 1. git clone -c core.autocrlf=true https://github.com/mongodb/mongo D:\MongoDB\src 2. Open a VS 2017 x64 command prompt and browse to D:\MongoDB\src 3. pip.exe install --user -r .\etc\pip\dev-requirements.txt 4. python.exe buildscripts/scons.py all -j4 5. python.exe buildscripts/resmoke.py --suites=core --jobs=8   Acutal result: [js_test:job3_fixture_teardown] 2019-11-27T07:45:20.370-0800 Finished the teardown of MongoDFixture (Job #3). [executor:js_test:job3] 2019-11-27T07:45:20.371-0800 job3_fixture_teardown ran in 0.10 seconds: no failures detected. [executor] 2019-11-27T07:45:20.371-0800 Threads are completed! [executor] 2019-11-27T07:45:20.385-0800 Summary of latest execution: 549 test(s) ran in 94.95 seconds (547 succeeded, 706 were skipped, 1 failed, 1 errored)     The following tests failed (with exit code):         jstests\core\connection_status.js (4294967293 UNKNOWN)     The following tests had errors:         job6_fixture_teardown     If you're unsure where to begin investigating these errors, consider looking at tests in the following order:         job6_fixture_teardown         jstests\core\connection_status.js [resmoke] 2019-11-27T07:45:20.387-0800 ================================================================================ [resmoke] 2019-11-27T07:45:20.388-0800 Summary of core suite: 549 test(s) ran in 94.95 seconds (547 succeeded, 706 were skipped, 1 failed, 1 errored) The following tests failed (with exit code):     jstests\core\connection_status.js (4294967293 UNKNOWN) The following tests had errors:     job6_fixture_teardown If you're unsure where to begin investigating these errors, consider looking at tests in the following order:     job6_fixture_teardown     jstests\core\connection_status.js [resmoke] 2019-11-27T07:45:20.388-0800 Exiting with code: 1 [command took 99 seconds]