tarting a Gradle Daemon (subsequent builds will be faster)
:compileKotlin
Using Kotlin incremental compilation
w: /home/gronek/IdeaProjects/KtDo/src/main/kotlin/gq.gronek.ktdo/Main.kt: (4, 14): Parameter 'args' is never used
w: /home/gronek/IdeaProjects/KtDo/src/main/kotlin/gq.gronek.ktdo/TaskList.kt: (13, 21): Parameter 'id' is never used
:compileJava NO-SOURCE
:processResources NO-SOURCE
:classes UP-TO-DATE
:runError: Could not find or load main class gq.gronek.ktdo.MainKt
 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':run'.
> Process 'command '/usr/lib/jvm/java-8-openjdk/bin/java'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

* Get more help at https://help.gradle.org

BUILD FAILED in 18s
2 actionable tasks: 2 executed