Should utilize any of these if possible.
There's only one public instance supporting x86:
https://lkft.validation.linaro.org/scheduler/device_type/x86
full list here under "hardware":
https://github.com/kernelci/kernelci-doc/wiki/KernelCI
Here's a project that plumbs together an automated fetch/build/CI/ upload process using a docker container. It should be compatible with any CI :