hono/hono-demo-1-base failing to build in minishift

[kartben]

[INFO] --- maven-resources-plugin:3.0.2:resources (default-resources) @ hono-core ---
--
  | [INFO] Using 'UTF-8' encoding to copy filtered resources.
  | [INFO] skip non existing resourceDirectory /hono/core/src/main/resources
  | [INFO]
  | [INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ hono-core ---
  | [INFO] Changes detected - recompiling the module!
  | [INFO] Compiling 32 source files to /hono/core/target/classes
  | [INFO] ------------------------------------------------------------------------
  | [INFO] Reactor Summary:
  | [INFO]
  | [INFO] Hono ............................................... SUCCESS [ 21.949 s]
  | [INFO] Hono Dependencies .................................. SUCCESS [  0.010 s]
  | [INFO] Legal Documents .................................... SUCCESS [  2.953 s]
  | [INFO] Hono Demo Certs .................................... SUCCESS [  0.054 s]
  | [INFO] Hono Core .......................................... FAILURE [ 13.962 s]
  | [INFO] Hono Client ........................................ SKIPPED
  | [INFO] Hono Service base .................................. SKIPPED
  | [INFO] Hono Protocol Adapters ............................. SKIPPED
  | [INFO] Hono HTTP Adapter base ............................. SKIPPED
  | [INFO] Hono REST Adapter .................................. SKIPPED
  | [INFO] Hono MQTT Adapter base ............................. SKIPPED
  | [INFO] Hono MQTT Adapter .................................. SKIPPED
  | [INFO] Hono Kura Adapter .................................. SKIPPED
  | [INFO] Hono Artemis ....................................... SKIPPED
  | [INFO] Hono Dispatch Router ............................... SKIPPED
  | [INFO] Metrics Docker Images .............................. SKIPPED
  | [INFO] Hono Services ...................................... SKIPPED
  | [INFO] Hono Auth .......................................... SKIPPED
  | [INFO] Hono Device Registry ............................... SKIPPED
  | [INFO] Hono Messaging ..................................... SKIPPED
  | [INFO] Hono Examples ...................................... SKIPPED
  | [INFO] Hono JMeter Plugin ................................. SKIPPED
  | [INFO] Hono Site .......................................... SKIPPED
  | [INFO] Hono Integration Tests ............................. SKIPPED
  | [INFO] ------------------------------------------------------------------------
  | [INFO] BUILD FAILURE
  | [INFO] ------------------------------------------------------------------------
  | [INFO] Total time: 55.928 s
  | [INFO] Finished at: 2017-11-20T15:39:46+00:00
  | [INFO] Final Memory: 28M/240M
  | [INFO] ------------------------------------------------------------------------
  | [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project hono-core: Fatal error compiling: invalid target release: 1.8 -> [Help 1]
  | [ERROR]
  | [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
  | [ERROR] Re-run Maven using the -X switch to enable full debug logging.
  | [ERROR]
  | [ERROR] For more information about the errors and possible solutions, please read the following articles:
  | [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
  | [ERROR]
  | [ERROR] After correcting the problems, you can resume the build with the command
  | [ERROR]   mvn <goals> -rf :hono-core
  | error: build error: The command '/bin/sh -c scl enable rh-maven33 "cd hono && mvn -B clean install -DskipTests"' returned a non-zero code: 1