reactive/Ix.NET/Integration/NetCoreApp/project.json

{
  "version": "1.0.0-*",
  "buildOptions": {
    "emitEntryPoint": true
  },

    "dependencies": {
        "Microsoft.NETCore.App": {
            "type": "platform",
            "version": "1.0.0"
        },
        "System.Interactive.Async.Providers": "3.0.0-rc1-00354",
        "System.Interactive.Providers": "3.0.0-rc1-00354"   },

  "frameworks": {
    "netcoreapp1.0": {
      "imports": "dnxcore50"
    }
  }
}