Volley no funciona con Gradle 2.0 e Instant run

He actualizado recientemente Android Studio a la versión 2.0: Beta 7. Estoy intentando utilizar Instant Run, Acabo de instalar Gradle 2.0. Pero ahora no puedo compilar mi proyecto debido a un error relacionado con bintray.gradle

Cuando compilo consigo el error siguiente:

• Error al ejecutar el proyecto de Android (escrito en Kotlin) compilado con el complemento Gradle2.0.0-alpha
• Ejecutar "Ejecutar instantáneamente" desde la línea de comandos
• No se puede instanciar la aplicación com.android.tools.fd.runtime.BootstrapApplication? Android
• Ejecutar aplicaciones vs aplicar cambios android studio 2.3
• No hay cambios para implementar android studio 2.1

Error:Cannot configure the 'publishing' extension after it has been accessed. 

Error de depurador:

 Error:FAILURE: Build failed with an exception. * Where: Script 'C:\Project\AtkApp\volley\bintray.gradle' line: 43 * What went wrong: A problem occurred evaluating script. > Cannot configure the 'publishing' extension after it has been accessed. * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. 

Bintray.gradle:

 buildscript { repositories { jcenter() } dependencies { classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2" } } // apply the plugin with its class name rather than its Id to work around gradle limitation of // not being able to find the plugin by Id despite the dependencies being added right above. Gradle // is currently not capable of loading plugins by Id if the dependency is anywhere else than // in the main project build.gradle. This file is "imported" into the project's build.gradle // through a "apply from:". apply plugin: com.jfrog.bintray.gradle.BintrayPlugin apply plugin: 'maven-publish' project.ext.group = 'com.android.volley' project.ext.archivesBaseName = 'volley' project.ext.version = '1.0.0' project.ext.pomDesc = 'Volley Android library' task sourcesJar(type: Jar) { classifier = 'sources' from android.sourceSets.main.java.srcDirs } task javadoc(type: Javadoc) { source = android.sourceSets.main.java.srcDirs classpath += project.files(android.getBootClasspath().join(File.pathSeparator)) } task javadocJar(type: Jar, dependsOn: javadoc) { classifier = 'javadoc' from javadoc.destinationDir } artifacts { archives javadocJar archives sourcesJar } publishing { publications { library(MavenPublication) { groupId project.ext.group artifactId project.ext.archivesBaseName version project.ext.version // Release AAR, Sources, and JavaDoc artifact "$buildDir/outputs/aar/volley-release.aar" artifact sourcesJar artifact javadocJar } } } bintray { user = System.env.BINTRAY_USER key = System.env.BINTRAY_USER_KEY publications = [ 'library' ] publish = project.has("release") pkg { userOrg = 'android' repo = 'android-utils' group = project.ext.group name = project.ext.group + '.' + project.ext.archivesBaseName desc = project.ext.pomDesc licenses = [ 'Apache-2.0' ] websiteUrl = 'https://tools.android.com' issueTrackerUrl = 'https://code.google.com/p/android/' vcsUrl = 'https://android.googlesource.com/platform/frameworks/volley.git' labels = ['android', 'volley', 'network'] publicDownloadNumbers = true version { name = project.ext.version desc = project.ext.pomDesc + ' version ' + project.ext.version gpg { sign = true passphrase = System.env.GPG_PASSPHRASE } } } } 

 //apply from: 'bintray.gradle' 

 apply from: 'bintray.gradle' 

 publishing { publications { library(MavenPublication) { groupId project.ext.group artifactId project.ext.archivesBaseName version project.ext.version // Release AAR, Sources, and JavaDoc artifact "$buildDir/outputs/aar/volley-release.aar" artifact sourcesJar artifact javadocJar } } } 

  publishing.publications { library(MavenPublication) { groupId project.ext.group artifactId project.ext.archivesBaseName version project.ext.version // Release AAR, Sources, and JavaDoc artifact "$buildDir/outputs/aar/volley-release.aar" artifact sourcesJar artifact javadocJar } }