URE compilation fails: warning: control reaches end of non-void function

[vsbogd]

URE compilation fails:

[  4%] Building CXX object opencog/unify/CMakeFiles/unify.dir/Unify.cc.o
Scanning dependencies of target COPY_TO_LOAD_PATH_IN_BUILD_DIR_FROM__ws_ure_opencog_scm
[  4%] Built target COPY_TO_LOAD_PATH_IN_BUILD_DIR_FROM__ws_ure_opencog_scm
/ws/ure/opencog/unify/Unify.cc: In member function ‘opencog::Unify::SolutionSet opencog::Unify::unify(const opencog::Handle&, const opencog::Handle&, opencog::Context, opencog::Context) const’:
/ws/ure/opencog/unify/Unify.cc:631:10: error: ‘using element_type = class opencog::Atom {aka class opencog::Atom}’ has no member named ‘is_unordered_link’
  if (rh->is_unordered_link())
          ^~~~~~~~~~~~~~~~~
/ws/ure/opencog/unify/Unify.cc:635:1: warning: control reaches end of non-void function [-Wreturn-type]
 }

Full log here:
https://circleci.com/gh/opencog/atomspace/4626?utm_campaign=vcs-integration-link&utm_medium=referral&utm_source=github-checks-link

[ngeiswei]

I'm closing it as I suspect it was a temporary problem, re-open otherwise.