[www-scripts] Sphinx Doc Update: ERROR

[LLVM via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 16587.
UPDATING lld SOURCES
Updating '.':
U    COFF/Config.h
U    COFF/Writer.cpp
U    COFF/Options.td
U    COFF/Driver.cpp
U    test/COFF/invalid-debug-type.test
A    test/COFF/pdb-options.test
U    test/COFF/pdb.test
U    test/COFF/pdb-none.test
Updated to revision 303353.
make: *** No rule to make target `docs-lld-html'.  Stop.