The Older_versions folder/link returns code 550, No such file or directory at ftp.embl-hamburg.de. Bump to downloadable version 7.5 is needed. Reproducible: Always
+*arp-warp-bin-7.5 (11 Mar 2015) + + 11 Mar 2015; Justin Lecher <jlec@gentoo.org> +arp-warp-bin-7.5.ebuild, + -arp-warp-bin-7.1-r1.ebuild, -arp-warp-bin-7.1-r2.ebuild, + -arp-warp-bin-7.3.ebuild, -files/7.1-setup-2.patch, -files/7.1-setup.patch: + Version Bump; Drop old with unavailable upstream sources, #542758 +