Created attachment 809250 [details]
output of the tex run

Created attachment 809251 [details]
input tex file generated by sphinx

(In reply to Tomáš Chvátal from comment #2)
> Created attachment 809251 [details]
> input tex file generated by sphinx

Please attach a tar ball of all loaded images/pdf data files to get this usable, thanks.

Created attachment 809259 [details]
sphinx-latex.tar.xz

All the files generated by the pytest run in the tmp folder...

https://tug.org/pipermail/tex-live/2019-July/043824.html

(In reply to Tomáš Chvátal from comment #4)
> Created attachment 809259 [details]
> sphinx-latex.tar.xz
> 
> All the files generated by the pytest run in the tmp folder...

... root/_build/latex/lualatex/sphinxtests.log does not show the crash?

(In reply to Dr. Werner Fink from comment #5)
> https://tug.org/pipermail/tex-live/2019-July/043824.html

> Le 3 juil. 2019 à 11:25, Dr. Werner Fink <werner@suse.de> a écrit :
> > Hi,
> >
> > I've a bug report that luatex from TeXLive 2019 does crash during
> > Sphinx tests ...
> 
> Is this https://github.com/sphinx-doc/sphinx or another Sphinx ?
> Tests (which include  a lualatex run) currently pass.
> Could be another Sphinx...
> 
> Best,
> Jean-François

I see soemthing different but not better

_build/latex> lualatex --halt-on-error --interaction=nonstopmode -output-directory=lualatex lualatex/sphinxtests.tex
This is LuaTeX, Version 1.10.0 (TeX Live 2019/TeX Live for opensuse.org) 
 restricted system commands enabled.
(./lualatex/sphinxtests.tex
LaTeX2e <2018-12-01>

luaotfload | main : initialization completed in 0.084 seconds
(/usr/share/texmf/tex/generic/luatex85/luatex85.sty) (./sphinxmanual.cls
Document Class: sphinxmanual 2018/12/23 v2.0 Document class (Sphinx manual)
(/usr/share/texmf/tex/latex/base/report.cls
Document Class: report 2018/09/03 v1.4i Standard LaTeX document class
(/usr/share/texmf/tex/latex/base/size10.clo
luaotfload error: "bad argument #3 to 'string.format' (number has no integer representation)"
Lua interpreter stack traceback:
        /usr/share/texmf/tex/luatex/luaotfload/luaotfload-log.lua:155: in function </usr/share/texmf/tex/luatex/luaotfload/luaotfload-log.lua:152>
        [C]: in function 'string.format'
        [C]: in function 'xpcall'
        /usr/share/texmf/tex/luatex/luaotfload/luaotfload-log.lua:170: in upvalue 'basic_logger'
        /usr/share/texmf/tex/luatex/luaotfload/luaotfload-log.lua:276: in function 'logreport'
        ...hare/texmf/tex/luatex/luaotfload/luaotfload-database.lua:532: in upvalue 'load_names'
        ...hare/texmf/tex/luatex/luaotfload/luaotfload-database.lua:625: in upvalue 'lookup_filename'
        ...hare/texmf/tex/luatex/luaotfload/luaotfload-database.lua:684: in field 'lookup_font_file'
        ...are/texmf/tex/luatex/luaotfload/luaotfload-resolvers.lua:77: in function <...are/texmf/tex/luatex/luaotfload/luaotfload-resolvers.lua:76>
        (...tail calls...)
        ...are/texmf/tex/luatex/luaotfload/luaotfload-resolvers.lua:247: in local 'r'
        ...re/texmf/tex/luatex/luaotfload/fontloader-2019-02-14.lua:29709: in field 'resolve'
        ...re/texmf/tex/luatex/luaotfload/fontloader-2019-02-14.lua:29899: in upvalue 'read'
        ...share/texmf/tex/luatex/luaotfload/luaotfload-loaders.lua:135: in function <...share/texmf/tex/luatex/luaotfload/luaotfload-loaders.lua:134>
        (...tail calls...)

/usr/share/texmf/tex/luatex/luaotflo
ad/luaotfload-log.lua:232: bad argument #3 to 'stringformat' (number has no int
eger representation).
<to be read again> 
relax 
l.54 \normalsize
              
 276 words of node memory still in use:
   1 dir, 3 kern, 1 glyph, 1 attribute, 35 glue_spec, 1 attribute_list, 2 if_st
ack nodes
   avail lists: 2:8,3:1,4:1,5:1
!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on sphinxtests.log.

Ahh ... doing

 rm -rf ~/.cache/texmf/fonts/luatex-cache/

helps a lot

SR#713338

This is an autogenerated message for OBS integration:
This bug (1140203) was mentioned in
https://build.opensuse.org/request/show/713338 Factory / texlive