Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
FAILED: man/NetworkManager-dispatcher.8 
/usr/bin/xsltproc --output man/NetworkManager-dispatcher.8 --path /builddir/build/BUILD/NetworkManager-1.52.0/redhat-linux-build/man --xinclude --nonet --stringparam man.output.quietly 1 --stringparam funcsynopsis.style ansi --stringparam man.th.extra1.suppress 1 --stringparam man.authors.section.enabled 0 --stringparam man.copyright.section.enabled 0 --stringparam man.th.title.max.length 30 http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl ../man/NetworkManager-dispatcher.xml
realloc failed !
While compiling documentation with xsltproc an realloc exception was encountered. This could indicate issues with memory management of xsltproc.