[www-scripts] Sphinx Doc Update: ERROR

[LLVM via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 3747.
UPDATING lld SOURCES
Updating '.':
U    ELF/ICF.cpp
U    ELF/MapFile.cpp
U    ELF/SyntheticSections.cpp
U    ELF/Threads.h
U    ELF/OutputSections.cpp
Updated to revision 302723.
make: *** No rule to make target `docs-lld-html'.  Stop.