These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! All ebuilds that could satisfy "=sci-biology/foldingathome-7.6.21" have been masked.
!!! One of the following masked packages is required to complete your request:
- sci-biology/foldingathome-7.6.21::gentoo (masked by: package.mask, FAH-EULA-2014 FAH-special-permission license(s))
/Volumes/Disk 1/Repository/portage-git/profiles/arch/amd64/no-multilib/package.mask:
# AMD64 Team <amd64@gentoo.org>
# Mask packages that rely on amd64 multilib

A copy of the 'FAH-EULA-2014' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/FAH-EULA-2014'.

A copy of the 'FAH-special-permission' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/FAH-special-permission'.


For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.