The latest MacOSX build failed because of the release version change. I've fixed it by replacing "alpha6" with "beta1" in the build script. We may consider giving this information as a parameter for the script, instead of hardcoding it.
Begin forwarded message:
Total time: 1 minute 29 seconds
./release/macosx/sip-communicator-1.0-alpha6-nightly.build.3351.dmg: No such file or directory