@udalov I invoke

K2VMCompiler

with a collector and here is all the collector has to say during the compilation:

COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-runtime.jar
COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-script-runtime.jar
COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-reflect.jar
COMPILER REPORT: null Using Kotlin home directory <no_path>
COMPILER REPORT: null Configuring the compilation environment
COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-runtime.jar
COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-script-runtime.jar
COMPILER REPORT: null Classpath entry points to a non-existent location: <no_path>/lib/kotlin-reflect.jar
COMPILER REPORT: null Incompatible classes were found in dependencies. Remove them from the classpath or use '-Xskip-metadata-version-check' to suppress errors