This failure is related to tinfoil API changes a layerindex patch already exists, i'm creating a patch for the RRS. http://git.yoctoproject.org/cgit/cgit.cgi/layerindex-web/commit/?id=00bae9978dda09f859a26756263b8f38ea94edd4
I created a patch for layerindex [1], i'm continue working for RRS. [1] https://lists.yoctoproject.org/pipermail/yocto/2017-January/033744.html
RRS patches tinfoil api at, https://lists.yoctoproject.org/pipermail/yocto/2017-January/033745.html
Patches merged at, http://git.yoctoproject.org/cgit/cgit.cgi/layerindex-web/commit/?h=rrs&id=3f883b5f868d43f33e8f7ec4847228181b8f1e23