[Build Failure] Unknown reason

[hitech95]

I'm not an expert on building android, this is my first try.

I'm facing this issue:

root@servertwo:/home/user/android# make -j
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=9
TARGET_PRODUCT=aosp_arm
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=generic
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.9.0-9-amd64-x86_64-Debian-GNU/Linux-9-(stretch)
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=PQ3B.190705.003
OUT_DIR=out
============================================
ninja: no work to do.
ninja: no work to do.
wildcard(out/target/product/generic/clean_steps.mk) was changed, regenerating...
No need to regenerate ninja file
[  1% 9/601] target dex2oat: out/target/product/generic/dex_bootjars/system/framework/arm/boot.art
FAILED: out/target/product/generic/dex_bootjars/system/framework/arm/boot.art
/bin/bash -c "(mkdir -p out/target/product/generic/symbols/system/framework/arm/ ) && (rm -f out/target/product/generic/dex_bootjars/system/framework/arm//*.art out/target/product/generic/dex_bootjars/system/framework/arm//*.oat out/target/product/generic/dex_bootjars/system/framework/arm//*.art.rel ) && (rm -f out/target/product/generic/symbols/system/framework/arm//*.art ) && (rm -f out/target/product/generic/symbols/system/framework/arm//*.oat ) && (rm -f out/target/product/generic/symbols/system/framework/arm//*.art.rel ) && (ANDROID_LOG_TAGS=\"*:e\" out/host/linux-x86/bin/dex2oatd --runtime-arg -Xms64m              --runtime-arg -Xmx64m           --compiler-filter=speed-profile --profile-file=out/target/product/generic/dex_bootjars/system/framework/boot.prof           --dex-file=out/target/common/obj/JAVA_LIBRARIES/core-oj_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/core-libart_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/conscrypt_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/okhttp_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/bouncycastle_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/apache-xml_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/ext_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/voip-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/ims-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.hidl.base-V1.0-java_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.hidl.manager-V1.0-java_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/framework-oahl-backward-compatibility_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.test.base_intermediates/javalib.jar                 --dex-location=/system/framework/core-oj.jar --dex-location=/system/framework/core-libart.jar --dex-location=/system/framework/conscrypt.jar --dex-location=/system/framework/okhttp.jar --dex-location=/system/framework/bouncycastle.jar --dex-location=/system/framework/apache-xml.jar --dex-location=/system/framework/ext.jar --dex-location=/system/framework/framework.jar --dex-location=/system/framework/telephony-common.jar --dex-location=/system/framework/voip-common.jar --dex-location=/system/framework/ims-common.jar --dex-location=/system/framework/android.hidl.base-V1.0-java.jar --dex-location=/system/framework/android.hidl.manager-V1.0-java.jar --dex-location=/system/framework/framework-oahl-backward-compatibility.jar --dex-location=/system/framework/android.test.base.jar            --oat-symbols=out/target/product/generic/symbols/system/framework/arm/boot.oat          --oat-file=out/target/product/generic/dex_bootjars/system/framework/arm/boot.oat            --oat-location=/system/framework/arm/boot.oat           --image=out/target/product/generic/dex_bootjars/system/framework/arm/boot.art --base=0x70000000             --instruction-set=arm           --instruction-set-variant=generic               --instruction-set-features=default              --android-root=out/target/product/generic/system            --runtime-arg -Xnorelocate --compile-pic                --no-generate-debug-info --generate-build-id            --multi-image --no-inline-from=core-oj.jar          --abort-on-hard-verifier-error          --abort-on-soft-verifier-error           --generate-mini-debug-info             || ( echo \"ERROR: Dex2oat failed to compile a boot image. It is likely that the boot classpath is inconsistent. Rebuild with ART_BOOT_IMAGE_EXTRA_ARGS=\"--runtime-arg -verbose:verifier\" to see verification errors.\" ; false ) &&  ANDROID_LOG_TAGS=\"*:e\" ANDROID_ROOT=out/target/product/generic/system ANDROID_DATA=out/target/product/generic/dex_bootjars/system/framework/arm/ out/host/linux-x86/bin/patchoatd                 --input-image-location=out/target/product/generic/dex_bootjars/system/framework/boot.art                --output-image-relocation-directory=out/target/product/generic/dex_bootjars/system/framework/arm/           --instruction-set=arm           --base-offset-delta=0x10000000 )"
/bin/bash: riga 1:  4750 Istruzione non consentita ANDROID_LOG_TAGS="*:e" out/host/linux-x86/bin/dex2oatd --runtime-arg -Xms64m --runtime-arg -Xmx64m --compiler-filter=speed-profile --profile-file=out/target/product/generic/dex_bootjars/system/framework/boot.prof --dex-file=out/target/common/obj/JAVA_LIBRARIES/core-oj_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/core-libart_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/conscrypt_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/okhttp_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/bouncycastle_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/apache-xml_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/ext_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/voip-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/ims-common_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.hidl.base-V1.0-java_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.hidl.manager-V1.0-java_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/framework-oahl-backward-compatibility_intermediates/javalib.jar --dex-file=out/target/common/obj/JAVA_LIBRARIES/android.test.base_intermediates/javalib.jar --dex-location=/system/framework/core-oj.jar --dex-location=/system/framework/core-libart.jar --dex-location=/system/framework/conscrypt.jar --dex-location=/system/framework/okhttp.jar --dex-location=/system/framework/bouncycastle.jar --dex-location=/system/framework/apache-xml.jar --dex-location=/system/framework/ext.jar --dex-location=/system/framework/framework.jar --dex-location=/system/framework/telephony-common.jar --dex-location=/system/framework/voip-common.jar --dex-location=/system/framework/ims-common.jar --dex-location=/system/framework/android.hidl.base-V1.0-java.jar --dex-location=/system/framework/android.hidl.manager-V1.0-java.jar --dex-location=/system/framework/framework-oahl-backward-compatibility.jar --dex-location=/system/framework/android.test.base.jar --oat-symbols=out/target/product/generic/symbols/system/framework/arm/boot.oat --oat-file=out/target/product/generic/dex_bootjars/system/framework/arm/boot.oat --oat-location=/system/framework/arm/boot.oat --image=out/target/product/generic/dex_bootjars/system/framework/arm/boot.art --base=0x70000000 --instruction-set=arm --instruction-set-variant=generic --instruction-set-features=default --android-root=out/target/product/generic/system --runtime-arg -Xnorelocate --compile-pic --no-generate-debug-info --generate-build-id --multi-image --no-inline-from=core-oj.jar --abort-on-hard-verifier-error --abort-on-soft-verifier-error --generate-mini-debug-info
ERROR: Dex2oat failed to compile a boot image. It is likely that the boot classpath is inconsistent. Rebuild with ART_BOOT_IMAGE_EXTRA_ARGS=--runtime-arg -verbose:verifier to see verification errors.
[  2% 14/601] Proguard: out/target/common/obj/APPS/ContactsProvider_intermediates/classes-proguard.jar
ProGuard, version 5.1
Reading input...
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-oj_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-libart_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/ext_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/okhttp_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-lambda-stubs_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates/classes-header.jar]
Reading program jar [/home/user/android/out/target/common/obj/APPS/ContactsProvider_intermediates/classes.jar]
Initializing...
Ignoring unused library classes...
  Original number of library classes: 16429
  Final number of library classes:    16429
Shrinking...
Removing unused program classes and class elements...
  Original number of program classes: 2150
  Final number of program classes:    616
Writing output...
Preparing output jar [/home/user/android/out/target/common/obj/APPS/ContactsProvider_intermediates/classes-proguard.jar]
  Copying resources from program jar [/home/user/android/out/target/common/obj/APPS/ContactsProvider_intermediates/classes.jar]
[  2% 17/601] Proguard: out/target/common/obj/APPS/Contacts_intermediates/classes-proguard.jar
ProGuard, version 5.1
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-oj_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-libart_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/ext_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/okhttp_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-lambda-stubs_intermediates/classes-header.jar]
Reading program jar [/home/user/android/out/target/common/obj/APPS/Contacts_intermediates/classes.jar]
Preparing output jar [/home/user/android/out/target/common/obj/APPS/Contacts_intermediates/classes-proguard.jar]
  Copying resources from program jar [/home/user/android/out/target/common/obj/APPS/Contacts_intermediates/classes.jar]
[  2% 18/601] Proguard: out/target/common/obj/APPS/messaging_intermediates/classes-proguard.jar
ProGuard, version 5.1
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-oj_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-libart_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/ext_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/okhttp_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates/classes-header.jar]
Reading system jar [/home/user/android/out/target/common/obj/JAVA_LIBRARIES/core-lambda-stubs_intermediates/classes-header.jar]
Reading program jar [/home/user/android/out/target/common/obj/APPS/messaging_intermediates/classes.jar]
Preparing output jar [/home/user/android/out/target/common/obj/APPS/messaging_intermediates/classes-proguard.jar]
  Copying resources from program jar [/home/user/android/out/target/common/obj/APPS/messaging_intermediates/classes.jar]
ninja: build stopped: subcommand failed.
19:19:22 ninja failed with: exit status 1
build/make/core/main.mk:21: set di istruzioni per l'obiettivo "run_soong_ui" non riuscito
make: *** [run_soong_ui] Errore 1
root@servertwo:/home/user/android#

Any idea?