Command: ['/usr/bin/clang++', '-o', '/dev/null', '-x', 'c++', '/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/test/std/containers/sequences/array/array.creation/to_array.fail.cpp', '-c', '-v', '-ftemplate-depth=270', '-fsyntax-only', '-Xclang', '-verify', '-Xclang', '-verify-ignore-unexpected=note', '-ferror-limit=1024', '-Werror=thread-safety', '-std=c++2a', '-include', '/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/test/support/nasty_macros.h', '-nostdinc++', '-I/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/include', '-I/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/build/projects/libcxx/include/c++build', '-D__STDC_FORMAT_MACROS', '-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-I/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/test/support', '-DLIBCXX_FILESYSTEM_STATIC_TEST_ROOT="/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/test/std/input.output/filesystems/Inputs/static_test_env"', '-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_ROOT="/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/build/projects/libcxx/test/filesystem/Output/dynamic_env"', '-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_HELPER="/usr/bin/python /mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libcxx/test/support/filesystem_dynamic_test_helper.py"', '-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER', '-Wall', '-Wextra', '-Werror', '-Wuser-defined-warnings', '-Wshadow', '-Wno-unused-command-line-argument', '-Wno-attributes', '-Wno-pessimizing-move', '-Wno-c++11-extensions', '-Wno-user-defined-literals', '-Wno-noexcept-type', '-Wsign-compare', '-Wunused-variable', '-Wunused-parameter', '-Wunreachable-code', '-Wno-error=user-defined-warnings', '-c'] Exit Code: 1 Standard Error: