=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for yaml-cpp-0.7.0
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In file included from /tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/convert.h:20:0,
                 from /tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/src/convert.cpp:3:
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h: In member function 'YAML::Node& YAML::Node::operator=(const T&)':
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h:206:11: warning: 'operator=' should return a reference to '*this' [-Weffc++]
   return *this;
           ^~~~
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In file included from /tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/src/nodebuilder.cpp:5:0:
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h: In member function 'YAML::Node& YAML::Node::operator=(const T&)':
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h:206:11: warning: 'operator=' should return a reference to '*this' [-Weffc++]
   return *this;
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In file included from /tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/src/parse.cpp:7:0:
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h: In member function 'YAML::Node& YAML::Node::operator=(const T&)':
/tmp/textproc/yaml-cpp/work/yaml-cpp-yaml-cpp-0.7.0/include/yaml-cpp/node/impl.h:206:11: warning: 'operator=' should return a reference to '*this' [-Weffc++]
   return *this;
           ^~~~
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