Processing `/home/lilydev/vc/gub/target/linux-x86/gubfiles/build/lilypond-hwn/input/regression/out-test/lily-56859d0eee.ly'
Parsing...
Renaming input to: `skyline-debug.ly'
Interpreting music... 
Preprocessing graphical objects...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
programming error: Grob `System' has no interface for property `labels'
continuing, cross fingers
programming error: Grob `System' has no interface for property `labels'
continuing, cross fingers
Writing header field `texidoc' to `lily-56859d0eee.texidoc'...
Layout output to `lily-56859d0eee-1.eps'...
Layout output to `lily-56859d0eee.eps'...
Writing lily-56859d0eee-systems.texi...
Writing lily-56859d0eee-systems.tex...
Writing timing to lily-56859d0eee.profile...