Compiling FG with Gradle 4

gistfile1.txt

> Task :compileJava
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskDepDummy.java:29: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskDepDummy.java:32: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskSingleReobf.java:39: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskSingleReobf.java:97: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskSingleDeobfBin.java:39: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/TaskSingleDeobfBin.java:51: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/SignJar.java:45: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/SignJar.java:57: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/RemapSources.java:32: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/AbstractEditJarTask.java:39: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/AbstractEditJarTask.java:45: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/RemapSources.java:42: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/PatchSourcesTask.java:44: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/PatchSourcesTask.java:53: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ObtainFernFlowerTask.java:38: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ObtainFernFlowerTask.java:44: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/GenEclipseRunTask.java:42: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/GenEclipseRunTask.java:50: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ExtractTask.java:40: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ExtractTask.java:45: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ExtractConfigTask.java:39: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/ExtractConfigTask.java:44: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/EtagDownloadTask.java:36: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/EtagDownloadTask.java:44: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/Download.java:38: error: cannot find symbol
import org.gradle.api.tasks.ParallelizableTask;
                           ^
  symbol:   class ParallelizableTask
  location: package org.gradle.api.tasks
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/tasks/Download.java:43: error: cannot find symbol
@ParallelizableTask
 ^
  symbol: class ParallelizableTask
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/UserBasePlugin.java:522: warning: [deprecation] COMPILE_CONFIGURATION_NAME in JavaPlugin has been deprecated
        project.getConfigurations().getByName(JavaPlugin.COMPILE_CONFIGURATION_NAME).extendsFrom(project.getConfigurations().getByName(CONFIG_DC_RESOLVED));
                                                        ^
/tmp/ForgeGradle/src/main/java/net/minecraftforge/gradle/user/UserBasePlugin.java:531: warning: [deprecation] COMPILE_CONFIGURATION_NAME in JavaPlugin has been deprecated
        project.getDependencies().add(JavaPlugin.COMPILE_CONFIGURATION_NAME, project.fileTree("libs"));
                                                ^
26 errors
2 warnings


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED in 1s
1 actionable task: 1 executed