ImageMagick-6.5.6-0.7z does not appear to be packaged correctly. It was not cleaned before packaging; it contains compiled object code for x86_64 ELF. ImageMagick-6.5.4-10.7z and ImageMagick-6.5.5-10.7z don't have this problem, and neither does ImageMagick-6.5.6-0.tar.bz2.