[www-scripts] Sphinx Doc Update: ERROR

[LLVM via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 31486.
UPDATING lld SOURCES
Updating '.':
U    COFF/MarkLive.cpp
U    COFF/Symbols.cpp
U    COFF/Writer.cpp
U    COFF/InputFiles.cpp
U    COFF/Symbols.h
A    test/COFF/dllimport-gc.test
U    test/COFF/Inputs/import.yaml
Updated to revision 303227.
make: *** No rule to make target `docs-lld-html'.  Stop.