Not able to try it about clusterkit HOT 6 CLOSED

Trying ClusterKit
Performing CocoaPods Installation
Fetching podspec for `ClusterKit` from `../.`
Installing ClusterKit (0.3.2)
Installing GeoJSONSerialization (0.0.4)
Installing GoogleMaps (2.4.0)
Installing Mapbox-iOS-SDK (3.6.4)

[!] Please close any current Xcode sessions and use `Examples.xcworkspace` for this project from now on.
Sending stats
Pod installation complete! There are 4 dependencies from the Podfile and 4 total pods installed.

Trying ClusterKit
Performing CocoaPods Installation
[!] The version of CocoaPods used to generate the lockfile (1.3.1) is higher than the version of the current executable (1.2.0). Incompatibility issues may arise.
Fetching podspec for `ClusterKit` from `../.`
[!] The following pods are integrated into targets that do not have the same Swift version:

- ClusterKit/Core required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- ClusterKit/MapKit required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- ClusterKit/Mapbox required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- Mapbox-iOS-SDK required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- GoogleMaps required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- GoogleMaps/Base required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)
- GoogleMaps/Maps required by Example-objc (Swift 3.0), Example-swift (Swift 4.0)