{
    "sdk": {
        "version": "1.0.0-rc3-004517"
    }
}
{
    "sdk": {
        "version": "1.0.0-preview4-004233"
    }
}
Downgrade to SDK version 1.0.0-preview4-004233
Downgrade to SDK version 1.0.0-preview4-004233

There are some issues with the rc3/rc4 releases of the SDK around NuGet
packaging, constant failures.  Downgrading to preview4 until those are
investigated and resolved.
