Entering 'third_party/zlib'
Submodule 'third_party/zlib' (https://github.com/madler/zlib) registered for path 'third_party/zlib'
Cloning into 'T:/src/github/grpc/workspace_c++_windows_dbg_native_x64_cmake_vs2017_buildonly/third_party/zlib'...
Submodule path 'third_party/zlib': checked out 'cacf7f1d4e3d44d871b605da3b647f07d718623f'
+ echo 'Running run_tests.py in workspace workspace_c++_windows_dbg_native_x64_cmake_vs2017_buildonly'
Running run_tests.py in workspace workspace_c++_windows_dbg_native_x64_cmake_vs2017_buildonly
+ python workspace_c++_windows_dbg_native_x64_cmake_vs2017_buildonly/tools/run_tests/run_tests.py -t -j 2 -x ../cpp_windows_dbg_native_x64_cmake_vs2017_buildonly/sponge_log.xml --report_suite_name cpp_windows_dbg_native_x64_cmake_vs2017_buildonly -l c++ -c dbg --iomgr_platform native --arch x64 --compiler cmake_vs2017 --build_only --build_only
2019-08-11 19:19:52,905 START: tools\run_tests\helper_scripts\pre_build_cmake.bat
2019-08-11 19:22:39,390 PASSED: tools\run_tests\helper_scripts\pre_build_cmake.bat [time=166.5sec, retries=0:0]
2019-08-11 19:22:39,390 START: cmake
2019-08-11 20:18:39,349 TIMEOUT: run_tests_c++_windows_dbg_native_x64_cmake_vs2017_buildonly [pid=4088, time=3600.0sec]
2019-08-11 20:18:39,365 FAILED: Some run_tests.py instance have failed.
T:\src\github\grpc>set RUNTESTS_EXITCODE=1
T:\src\github\grpc>bash tools/internal_ci/helper_scripts/delete_nonartifacts.sh
++ dirname tools/internal_ci/helper_scripts/delete_nonartifacts.sh
+ cd tools/internal_ci/helper_scripts/../../..
+ find . -type f -not -iname '*sponge_log.*' -not -path './reports/*' -not -path './artifacts/*' -not -path './tools/internal_ci/*' -exec rm -f '{}' +
real	3m27.578s
user	0m12.890s
sys	1m23.614s
T:\src\github\grpc>exit /b 1
[ID: 6629822] Build finished after 3958 secs, exit value: 1
Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
[20:22:09] Collecting build artifacts from build VM
Build script failed with exit code: 1