UnhandledPromiseRejectionWarning

[kingdomcreation]

Server version: 2.0.0
Client version: 2.0.0

~ git clone https://github.com/rethinkdb/horizon.git horizon-app
~ cd horizon-app
~ npm install
~ hz serve --dev

output:

App available at http://127.0.0.1:8181
RethinkDB
   ├── Admin interface: http://localhost:53074
   └── Drivers can connect to port 53073
Starting Horizon...
🌄 Horizon ready for connections

Press ctrl+c

UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: Horizon server is shutting down.

DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.