[2023/04/27 21:33:01.001]       clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Applications/Xcode11.3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -DOPENSSL_NO_SSL3 -I/Applications/Xcode11.3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -DCYTHON_CLINE_IN_TRACEBACK=0 -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/libxml2 -Isrc -Isrc/lxml/includes -I/data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/src/pyopenssltest/include -I/Users/mci/.pyenv/versions/3.9.16/include/python3.9 -c src/lxml/etree.c -o build/temp.macosx-10.14-x86_64-cpython-39/src/lxml/etree.o -w -flat_namespace
 [2023/04/27 21:33:01.001]       clang: error: unable to execute command: Segmentation fault: 11 (core dumped)
 [2023/04/27 21:33:01.001]       clang: error: clang frontend command failed due to signal (use -v to see invocation)
 [2023/04/27 21:33:01.001]       Apple clang version 11.0.0 (clang-1100.0.33.17)
 [2023/04/27 21:33:01.001]       Target: x86_64-apple-darwin18.7.0
 [2023/04/27 21:33:01.001]       Thread model: posix
 [2023/04/27 21:33:01.001]       InstalledDir: /Applications/Xcode11.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: PLEASE submit a bug report to http://developer.apple.com/bugreporter/ and include the crash backtrace, preprocessed source, and associated run script.
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg:
 [2023/04/27 21:33:01.001]       ********************
 [2023/04/27 21:33:01.001]       PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
 [2023/04/27 21:33:01.001]       Preprocessed source(s) and associated run script(s) are located at:
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: /data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db/etree-07e329.c
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: /data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db/etree-07e329.sh
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: Crash backtrace is located in
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: /Users/mci/Library/Logs/DiagnosticReports/clang_<YYYY-MM-DD-HHMMSS>_<hostname>.crash
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg: (choose the .crash file that corresponds to your crash)
 [2023/04/27 21:33:01.001]       clang: note: diagnostic msg:
 [2023/04/27 21:33:01.001]       ********************
 [2023/04/27 21:33:01.001]       Compile failed: command '/usr/bin/clang' failed with exit code 254
 [2023/04/27 21:33:01.001]       creating data
 [2023/04/27 21:33:01.001]       creating data/mci
 [2023/04/27 21:33:01.001]       creating data/mci/f4c9fc946a86ef510d6ee9f3e14743d7
 [2023/04/27 21:33:01.001]       creating data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools
 [2023/04/27 21:33:01.001]       creating data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen
 [2023/04/27 21:33:01.001]       creating data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration
 [2023/04/27 21:33:01.001]       creating data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db
 [2023/04/27 21:33:01.001]       cc -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/libxml2 -I/usr/include/libxml2 -c /data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db/xmlXPathInitd4jf99hr.c -o data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db/xmlXPathInitd4jf99hr.o
 [2023/04/27 21:33:01.001]       cc data/mci/f4c9fc946a86ef510d6ee9f3e14743d7/drivers-tools/.evergreen/orchestration/db/xmlXPathInitd4jf99hr.o -lxml2 -o a.out
 [2023/04/27 21:33:01.001]       error: command '/usr/bin/clang' failed with exit code 254
 [2023/04/27 21:33:01.001]       [end of output]
 [2023/04/27 21:33:01.001]   note: This error originates from a subprocess, and is likely not a problem with pip.