FreeBSD web build failed on build-web.ysv.freebsd.org

[User Www-data]

env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/p4-primer/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xsltproc  --xinclude --nonet --maxvars 20000 --stringparam latestrevision.timestamp "2016-04-22 14:38:19Z" --stringparam latestrevision.committer "bcr" --stringparam latestrevision.number "48711"  --param docformatnav "'1'" http://www.FreeBSD.org/XML/share/xml/freebsd-xhtml.xsl article.parsed.xml > article.html
Warning: Object directory not changed from original /usr/local/www/build/head/en_US.ISO8859-1/articles/p4-primer
===> doc/articles/pam (all)
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/pam/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xmllint --nonet --noent --valid --dropdtd --xinclude /usr/local/www/build/head/en_US.ISO8859-1/articles/pam/article.xml > article.parsed.xml.tmp
/bin/mv article.parsed.xml.tmp article.parsed.xml
/usr/bin/sed 's|@@URL_RELPREFIX@@|http://www.FreeBSD.org|g' < article.parsed.xml > article.parsed.print.xml
/usr/bin/sed -i '' -e 's|@@URL_RELPREFIX@@|../../../..|g' article.parsed.xml
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/pam/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xsltproc  --xinclude --nonet --maxvars 20000 --stringparam latestrevision.timestamp "2016-03-28 17:29:21Z" --stringparam latestrevision.committer "jgh" --stringparam latestrevision.number "48488"  --param docformatnav "'1'" http://www.FreeBSD.org/XML/share/xml/freebsd-xhtml-chunk.xsl article.parsed.xml
Writing pam-legalnotice.html for legalnotice(pam-legalnotice)
Writing trademarks.html for legalnotice(trademarks)
Writing pam-terms.html for section(pam-terms)
Writing pam-essentials.html for section(pam-essentials)
Writing pam-config.html for section(pam-config)
Writing pam-freebsd-modules.html for section(pam-freebsd-modules)
Writing pam-appl-prog.html for section(pam-appl-prog)
Writing pam-module-prog.html for section(pam-module-prog)
Writing pam-sample-appl.html for appendix(pam-sample-appl)
Writing pam-sample-module.html for appendix(pam-sample-module)
Writing pam-sample-conv.html for appendix(pam-sample-conv)
Writing pam-further.html for bibliography(pam-further)
Writing index.html for article
Writing HTML.manifest
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/pam/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xsltproc  --xinclude --nonet --maxvars 20000 --stringparam latestrevision.timestamp "2016-03-28 17:29:21Z" --stringparam latestrevision.committer "jgh" --stringparam latestrevision.number "48488"  --param docformatnav "'1'" http://www.FreeBSD.org/XML/share/xml/freebsd-xhtml.xsl article.parsed.xml > article.html
Warning: Object directory not changed from original /usr/local/www/build/head/en_US.ISO8859-1/articles/pam
===> doc/articles/pgpkeys (all)
env XML_CATALOG_FILES="file:///usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog" /usr/local/bin/xmllint --nonet --noent --valid --dropdtd --xinclude /usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys/article.xml > article.parsed.xml.tmp
/usr/local/www/build/head/share/pgpkeys/pgpkeys-developers.xml:1492: element sect2: validity error : Element sect2 content does not follow the DTD, expecting (((title | titleabbrev | subtitle)* , info?) , (((itemizedlist | orderedlist | procedure | simplelist | variablelist | segmentedlist | glosslist | bibliolist | calloutlist | qandaset | example | figure | table | equation | informalexample | informalfigure | informaltable | informalequation | sidebar | blockquote | address | epigraph | mediaobject | screenshot | task | productionset | constraintdef | msgset | screen | literallayout | programlistingco | screenco | programlisting | synopsis | bridgehead | remark | revhistory | indexterm | funcsynopsis | classsynopsis | methodsynopsis | constructorsynopsis | destructorsynopsis | fieldsynopsis | cmdsynopsis | caution | important | note | tip | warning | anchor | para | formalpara | simpara | annotation)+ , ((sect3+ , simplesect*) | simplesect+)?) | (sect3+ , simplesect*) | simplesect
 +) , (glossary | bibliography | index | toc)*), got (title CDATA programlisting programlisting )
    </sect2>
            ^
*** Error code 4

Stop.
make[4]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/articles/pgpkeys
*** Error code 1

Stop.
make[3]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/articles
*** Error code 1

Stop.
make[2]: stopped in /usr/local/www/build/head/en_US.ISO8859-1
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs/doc
*** Error code 1

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
       86.49 real        60.19 user        17.21 sys