ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2444] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/2444] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/2444] AR lib/libLLVMTransformUtils.a
[4/2444] AR lib/libclangFrontend.a
[5/2444] ACTION //llvm/lib/Transforms/IPO:write_instrumentor_variables(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc ../../llvm/include/llvm/Transforms/IPO/InstrumentorVariables.inc.in LLVM_INSTRUMENTOR_RUNTIME_HELPER=@file:/usr/local/google/home/thakis/src/llvm-project/out/gn
Traceback (most recent call last):
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 126, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 58, in main
    with open(file_path) as f:
         ~~~~^^^^^^^^^^^
IsADirectoryError: [Errno 21] Is a directory: '/usr/local/google/home/thakis/src/llvm-project/out/gn'
[6/2444] AR lib/libclangQuery.a
[7/2444] AR lib/libclangCrossTU.a
[8/2444] AR lib/libLLVMCodeGen.a
[9/2444] AR lib/libclangScalableStaticAnalysisFrameworkFrontend.a
[10/2444] AR lib/libclangToolingDependencyScanning.a
[11/2444] AR lib/libclangExtractAPI.a
[12/2444] AR lib/libclangRewriteFrontend.a
[13/2444] AR lib/libclangIndex.a
[14/2444] AR lib/libclangToolingSyntax.a
[15/2444] LINK obj/clang/unittests/InstallAPI/InstallAPITests
[16/2444] LINK obj/llvm/unittests/Transforms/Vectorize/VectorizeTests
[17/2444] LINK obj/llvm/unittests/Linker/LinkerTests
[18/2444] LINK ./bin/llvm-cat
[19/2444] LINK obj/clang-tools-extra/unittests/clang-apply-replacements/ClangApplyReplacementsTests
[20/2444] LINK obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[21/2444] LINK ./bin/llvm-modextract
[22/2444] LINK ./bin/verify-uselistorder
[23/2444] LINK obj/llvm/unittests/Bitcode/BitcodeTests
[24/2444] LINK ./bin/llvm-offload-wrapper
[25/2444] LINK ./bin/llvm-as
[26/2444] LINK obj/llvm/unittests/FuzzMutate/FuzzMutateTests
[27/2444] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[28/2444] LINK ./bin/clang-apply-replacements
[29/2444] LINK obj/clang/unittests/Format/FormatTests
[30/2444] LINK ./bin/clang-ssaf-analyzer
[31/2444] LINK ./bin/clang-ssaf-linker
[32/2444] LINK ./bin/clang-ssaf-format
[33/2444] LINK obj/clang/unittests/Parse/ParseTests
[34/2444] LINK obj/clang/unittests/Support/ClangSupportTests
[35/2444] LINK obj/clang/unittests/Lex/LexTests
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.