Executing
    Gradle task: setupDecompWorkspace --refresh-dependencies

Build
    info: MCreator 2020.5.47520, forge-1.12.2, 64-bit, 7785 MB, Linux, JVM
    1.8.0_265, JAVA_HOME:
    /home/imprevisible/Téléchargements/MCreator20205/jdk/jre

This
    mapping 'snapshot_20171003' was designed for MC 1.12! Use at your own
    peril.

:deobfCompileDummyTask

:deobfProvidedDummyTask

:getVersionJson

:extractUserdev
    UP-TO-DATE

:extractDependencyATs
    SKIPPED

:extractMcpData
    SKIPPED

:extractMcpMappings

:genSrgs
    SKIPPED

:downloadClient
    SKIPPED

:downloadServer
    SKIPPED

:splitServerJar
    SKIPPED

:mergeJars
    SKIPPED

:deobfMcSRG
    SKIPPED

:decompileMc

Download
    https://repo.maven.apache.org/maven2/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar

:fixMcSources

:applySourcePatches

:remapMcSources

:recompileMc
    FAILED

FAILURE:
    Build failed with an exception.

*
    What went wrong:

Execution
    failed for task ':recompileMc'.

>
    Compile 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. Run with --scan to get full
    insights.

*
    Get more help at https://help.gradle.org

BUILD
    FAILED in 6m 16s

10
    actionable tasks: 9 executed, 1 up-to-date

BUILD
    FAILED

Task
    completed in 376871 milliseconds