[www-scripts] Sphinx Doc Update: ERROR

[www-data via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 26784.
UPDATING cfe SOURCES
Updating '.':
U    lib/Headers/unwind.h
U    lib/Headers/float.h
U    lib/Basic/Targets/Mips.h
U    lib/Basic/Targets/PPC.h
U    lib/Basic/Targets/Mips.cpp
U    lib/Sema/SemaDeclAttr.cpp
U    lib/Sema/AnalysisBasedWarnings.cpp
U    lib/AST/ASTContext.cpp
U    lib/Driver/ToolChains/Arch/AArch64.cpp
U    lib/Driver/ToolChains/MinGW.cpp
U    lib/Driver/ToolChains/HIP.cpp
U    lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
U    lib/CodeGen/CGBuiltin.cpp
U    lib/CodeGen/BackendUtil.cpp
U    test/Headers/float.c
A    test/Driver/hip-toolchain-features.hip
U    test/Driver/aarch64-fixed-x-register.c
U    test/Driver/instrprof-ld.c
U    test/CodeGen/builtins-wasm.c
A    test/CodeGen/asan-new-pm.ll
U    test/CodeGen/ms-x86-intrinsics.c
U    test/SemaCXX/warn-infinite-recursion.cpp
U    test/Analysis/uninit-vals.m
A    test/Analysis/PR40625.cpp
U    test/SemaObjC/attr-designated-init.m
U    test/Sema/attr-mode.c
U    test/Preprocessor/init.c
A    test/AST/function-alias.cpp
U    test/Misc/pragma-attribute-supported-attributes-list.test
U    include/clang/Basic/Attr.td
U    include/clang/Basic/BuiltinsWebAssembly.def
U    include/clang/Basic/DiagnosticSemaKinds.td
U    include/clang/Driver/Options.td
U    docs/HardwareAssistedAddressSanitizerDesign.rst
Updated to revision 353990.
-- Could NOT find LibXml2 (missing:  LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR) 
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- OCaml bindings disabled.
-- Found Python module pygments
-- Found Python module pygments.lexers.c_cpp
-- Found Python module yaml
-- LLVM host triple: x86_64-unknown-linux-gnu
-- LLVM default target triple: x86_64-unknown-linux-gnu
-- Building with -fPIC
-- Constructing LLVMBuild project information
-- Linker detection: GNU ld
-- Targeting AArch64
-- Targeting AMDGPU
-- Targeting ARM
-- Targeting BPF
-- Targeting Hexagon
-- Targeting Lanai
-- Targeting Mips
-- Targeting MSP430
-- Targeting NVPTX
-- Targeting PowerPC
-- Targeting Sparc
-- Targeting SystemZ
-- Targeting WebAssembly
-- Targeting X86
-- Targeting XCore
-- Linker detection: GNU ld
-- Linker detection: GNU ld
-- there is no pre-generated ABI list for the requested libc++ configuration. check-cxx-abilist target is not supported
-- Sphinx enabled.
-- Clang version: 9.0.0
-- Could NOT find Z3 (missing:  Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.7.1")
-- Sphinx enabled.
-- Sphinx enabled.
-- LLD version: 9.0.0
-- Sphinx enabled.
-- Sphinx enabled.
-- Failed to find LLVM FileCheck
-- git Version: v0.0.0
-- Version: 0.0.0
-- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
-- Performing Test HAVE_POSIX_REGEX -- success
-- Performing Test HAVE_STEADY_CLOCK -- success
-- Configuring done
-- Generating done
-- Build files have been written to: /opt/sphinx-docs/build/llvm
Generating html Sphinx documentation for clang into "/opt/sphinx-docs/build/llvm/tools/clang/docs/html"

Warning, treated as error:
/opt/sphinx-docs/src/llvm/tools/clang/docs/AttributeReference.rst:1377:Bullet list ends without a blank line; unexpected unindent.
make[3]: *** [tools/clang/docs/CMakeFiles/docs-clang-html] Error 2
make[2]: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/all] Error 2
make[1]: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/rule] Error 2
make: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/rule] Error 2