Command: ['/usr/bin/clang++', '-o', '/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/build/projects/libunwind/test/Output/frameheadercache_test.pass.cpp.o', '-x', 'c++', '/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libunwind/test/frameheadercache_test.pass.cpp', '-c', '-v', '-ftemplate-depth=270', '-Werror=thread-safety', '-DLIBUNWIND_NO_TIMER', '-funwind-tables', '-std=c++2a', '-I/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libunwind/include', '-D__STDC_FORMAT_MACROS', '-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-I/mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libunwind/../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/libunwind/test/filesystem/Output/dynamic_env"', '-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_HELPER="/usr/bin/python /mnt/disks/ssd0/agent/workspace/amd64_debian_testing_clang8/libunwind/../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', '-c'] Exit Code: 1 Standard Error: