On this test result ldd check reported errors:

/srv/slapgrid/slappart15/srv/testnode/cqg/inst/test0-0/tmp/soft/f97f9548294142c3f1040a723a649762/parts/gitlab/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/nokogiri-1.8.1/nokogiri/nokogiri.so uses system library /lib/x86_64-linux-gnu/liblzma.so.5.2.2 for liblzma.so.5
/srv/slapgrid/slappart15/srv/testnode/cqg/inst/test0-0/tmp/soft/f97f9548294142c3f1040a723a649762/parts/gitlab/vendor/bundle/ruby/2.3.0/gems/nokogiri-1.8.1/ext/nokogiri/nokogiri.so uses system library /lib/x86_64-linux-gnu/liblzma.so.5.2.2 for liblzma.so.5
/srv/slapgrid/slappart15/srv/testnode/cqg/inst/test0-0/tmp/soft/f97f9548294142c3f1040a723a649762/parts/gitlab/vendor/bundle/ruby/2.3.0/gems/nokogiri-1.8.1/lib/nokogiri/nokogiri.so uses system library /lib/x86_64-linux-gnu/liblzma.so.5.2.2 for liblzma.so.5

Probably on this maching lzma development package was installed