diff --git a/compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/CompilationOptions.kt b/compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/CompilationOptions.kt
index 373cb9569dd..ec5278d0b2c 100644
--- a/compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/CompilationOptions.kt
+++ b/compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/CompilationOptions.kt
@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.daemon.common
 
 import java.io.File
 import java.io.Serializable
+import java.util.*
 
 open class CompilationOptions(
         val compilerMode: CompilerMode,
@@ -32,6 +33,16 @@ open class CompilationOptions(
     companion object {
         const val serialVersionUID: Long = 0
     }
+
+    override fun toString(): String {
+        return "CompilationOptions(" +
+               "compilerMode=$compilerMode, " +
+               "targetPlatform=$targetPlatform, " +
+               "reportCategories=${Arrays.toString(reportCategories)}, " +
+               "reportSeverity=$reportSeverity, " +
+               "requestedCompilationResults=${Arrays.toString(requestedCompilationResults)}" +
+               ")"
+    }
 }
 
 class IncrementalCompilationOptions(
@@ -55,6 +66,20 @@ class IncrementalCompilationOptions(
     companion object {
         const val serialVersionUID: Long = 0
     }
+
+    override fun toString(): String {
+        return "IncrementalCompilationOptions(" +
+               "super=${super.toString()}, " +
+               "areFileChangesKnown=$areFileChangesKnown, " +
+               "modifiedFiles=$modifiedFiles, " +
+               "deletedFiles=$deletedFiles, " +
+               "workingDir=$workingDir, " +
+               "customCacheVersionFileName='$customCacheVersionFileName', " +
+               "customCacheVersion=$customCacheVersion, " +
+               "resultDifferenceFile=$resultDifferenceFile, " +
+               "friendDifferenceFile=$friendDifferenceFile" +
+               ")"
+    }
 }
 
 enum class CompilerMode : Serializable {
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/GradleKotlinCompilerRunner.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/GradleKotlinCompilerRunner.kt
index ee868d43b2c..aa6e47c10c6 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/GradleKotlinCompilerRunner.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/GradleKotlinCompilerRunner.kt
@@ -259,6 +259,8 @@ internal class GradleCompilerRunner(private val project: Project) : KotlinCompil
                 resultDifferenceFile = environment.buildHistoryFile,
                 friendDifferenceFile = environment.friendBuildHistoryFile
         )
+
+        log.info("Options for KOTLIN DAEMON: $compilationOptions")
         val servicesFacade = GradleIncrementalCompilerServicesFacadeImpl(project, environment)
         val argsArray = ArgumentUtils.convertArgumentsToStringList(environment.compilerArgs).toTypedArray()
         return daemon.compile(sessionId, argsArray, compilationOptions, servicesFacade, GradleCompilationResults(project))