TechEmpower.FrameworkBenchmarks/nancy/lib/Nancy.Hosting.Aspnet.0.17.1/content/web.config.transform

<configuration>
  <system.web>
    <httpHandlers>
      <add verb="*" type="Nancy.Hosting.Aspnet.NancyHttpRequestHandler" path="*"/>
    </httpHandlers>
  </system.web>

  <system.webServer>
    <validation validateIntegratedModeConfiguration="false"/>
    <handlers>
      <add name="Nancy" verb="*" type="Nancy.Hosting.Aspnet.NancyHttpRequestHandler" path="*"/>
    </handlers>
  </system.webServer>
</configuration>