Upgrade kotlin to 1.4.0

Author: h0tk3y

benchmarks/build.gradle.kts

@@ -12,6 +12,7 @@ evaluationDependsOn(":kotlinx-collections-immutable")
 val JDK_6: String by project
 
 repositories {
+    maven(url = "https://dl.bintray.com/kotlin/kotlin-dev")
     maven(url = "https://dl.bintray.com/kotlin/kotlinx")
 }
 

build.gradle.kts

@@ -1,10 +1,11 @@
 buildscript {
     repositories {
         mavenCentral()
+        maven(url = "https://dl.bintray.com/kotlin/kotlin-dev")
         maven(url = "https://dl.bintray.com/kotlin/kotlin-eap")
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.0")
     }
 }
 
@@ -43,6 +44,7 @@ val JDK_6 by ext(System.getenv("JDK_6") ?: findProperty("JDK_6") as String? ?: e
 allprojects {
     repositories {
         mavenCentral()
+        maven(url = "https://dl.bintray.com/kotlin/kotlin-dev")
         maven(url = "https://dl.bintray.com/kotlin/kotlin-eap")
     }
 }

core/commonTest/src/stress/ExecutionTimeMeasuringTest.kt

@@ -11,10 +11,10 @@ import kotlin.time.*
 
 @UseExperimental(ExperimentalTime::class)
 abstract class ExecutionTimeMeasuringTest {
-    private var clockMark: ClockMark? = null
+    private var clockMark: TimeMark? = null
 
     private fun markExecutionStart() {
-        clockMark = MonoClock.markNow()
+        clockMark = TimeSource.Monotonic.markNow()
     }
 
     private fun printExecutionTime() {