https://autobuilder.yocto.io/pub/non-release/ currently has the json files which contain test reports for ptest but the logs are hard to access. We should have something with extracts out logs from ptest results allowing them to be more easily viewed from the web server.
The index is now live https://autobuilder.yocto.io/pub/non-release/ and part of that code autoextracts ptest logs, e.g. https://autobuilder.yocto.io/pub/non-release/20190605-1/testresults/qemuarm64-ptest-fast/