JacocoTestReport not working in 2.0-rc-1

build.gradle

apply plugin: 'java'
apply plugin: 'jacoco'

test.jacoco.destinationFile = file("$buildDir/tmp/jacoco/jacoco.exec")
test.jacoco.append = false
jacocoTestReport {
    reports {
        xml.enabled false
        csv.enabled false
        html.destination "${buildDir}/reports/jacoco"
    }
    additionalSourceDirs = files(sourceSets.main.allJava.srcDirs)
}

jacoco { toolVersion = "0.7.1.201405082137" }

repositories {
    mavenCentral()
}

dependencies {
    compile 'junit:junit:4.11'
}

MyObject.java

public class MyObject {

    public void myMethod() {
        for (int i = 0; i < 5; i++) {
            System.out.println("this should be covered");
        }
    }
}

MyObjectTest.java

import org.junit.Test;

public class MyObjectTest {

    @Test
    public void myTest() {
        new MyObject().myMethod();
    }
}