Raise Vagrant error

plugins/commands/serve/service/capability_platform_service.rb

@@ -85,7 +85,9 @@ module VagrantPlugins
             target_cap = caps_registry.get(cap_name)
 
             if target_cap.nil?
-              raise "Failed to locate requested capability `#{cap_name.inspect}' on plugin #{plugin_name}"
+              raise Vagrant::Errors::CapabilityNotFound,
+                cap:  cap_name.inspect,
+                host: plugin_name
             end
 
             args = mapper.funcspec_map(

plugins/commands/serve/util/service_info.rb

@@ -26,8 +26,8 @@ module VagrantPlugins
           return if !block_given?
           begin
             yield info
-          rescue => e
-            raise "#{e.class}: #{e}\n#{e.backtrace.join("\n")}"
+          rescue
+            raise
           ensure
             Service::ServiceInfo.manager_tracker.deactivate do
               Vagrant.plugin("2").disable_remote_manager