ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2436] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[2/2436] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[3/2436] AR lib/libLLVMTransformUtils.a
[4/2436] AR lib/libLLVMAggressiveInstCombine.a
[5/2436] AR lib/libLLVMInstCombine.a
[6/2436] AR lib/libLLVMInstrumentation.a
[7/2436] AR lib/libLLVMScalarOpts.a
[8/2436] 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'
[9/2436] AR lib/libLLVMFrontendOpenMP.a
[10/2436] AR lib/libLLVMCodeGen.a
[11/2436] LINK ./bin/llvm-stress
[12/2436] LINK ./bin/llvm-sim
[13/2436] LINK obj/llvm/unittests/Linker/LinkerTests
[14/2436] LINK ./bin/llvm-tli-checker
[15/2436] LINK ./bin/llvm-cat
[16/2436] LINK ./bin/verify-uselistorder
[17/2436] LINK ./bin/llvm-as
[18/2436] LINK obj/llvm/unittests/Bitcode/BitcodeTests
[19/2436] LINK ./bin/llvm-offload-wrapper
[20/2436] LINK ./bin/llvm-modextract
[21/2436] LINK obj/llvm/unittests/FuzzMutate/FuzzMutateTests
[22/2436] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[23/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.RegionWithScoreTest.o
[24/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.SandboxVectorizerIRTest.o
[25/2436] CXX obj/llvm/unittests/Passes/Plugins/TestPlugin/TestPlugin.TestPlugin.o
[26/2436] CXX obj/llvm/unittests/Analysis/InlineAdvisorPlugin/InlineAdvisorPlugin.InlineAdvisorPlugin.o
[27/2436] CXX obj/llvm/unittests/Passes/Plugins/DoublerPlugin/DoublerPlugin.DoublerPlugin.o
[28/2436] CXX obj/llvm/unittests/Analysis/InlineOrderPlugin/InlineOrderPlugin.InlineOrderPlugin.o
[29/2436] CXX obj/llvm/unittests/SandboxIR/SandboxIRTests.PassTest.o
[30/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.InstrMapsTest.o
[31/2436] CXX obj/llvm/unittests/SandboxIR/SandboxIRTests.UtilsTest.o
[32/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.SandboxVectorizerTest.o
[33/2436] CXX obj/llvm/tools/llubi/lib/lib.Interpreter.o
[34/2436] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanUncountableExitTest.o
[35/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanVerifier.o
[36/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanAnalysis.o
[37/2436] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPDomTreeTest.o
[38/2436] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanVerifierTest.o
[39/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanPredicator.o
[40/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.LegalityTest.o
[41/2436] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPPostDomFrontierTest.o
[42/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanUtils.o
[43/2436] CXX obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests.VecUtilsTest.o
[44/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanUnroll.o
[45/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanConstruction.o
[46/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlan.o
[47/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanRecipes.o
[48/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VectorCombine.o
[49/2436] CXX obj/llvm/unittests/SandboxIR/SandboxIRTests.SandboxIRTest.o
[50/2436] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanTransforms.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.