$. build/envsetup.sh
$lunch sdk_phone_x86_64
$m
$emulator (no problem till here)
$m sdk sdk_repo
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=10
TARGET_PRODUCT=sdk_phone_x86_64
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_ARCH=x86_64
TARGET_ARCH_VARIANT=x86_64
TARGET_2ND_ARCH=x86
TARGET_2ND_ARCH_VARIANT=x86_64
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-5.4.0-45-generic-x86_64-Ubuntu-20.04.1-LTS
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=QD4A.200805.003
OUT_DIR=/home/rakesh/aosp/output/android-10.0.0_r45
FAILED: /home/rakesh/aosp/output/android-10.0.0_r45/host/linux-x86/sdk/sdk_phone_x86_64/android-sdk_eng.rakesh_linux-x86.zip
/bin/bash /home/rakesh/aosp/output/android-10.0.0_r45/host/linux-x86/sdk/sdk_phone_x86_64/android-sdk_eng.rakesh_linux-x86.zip.rsp
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/etc/xtables.lock
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/libexif.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/libiprouteutil.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/liblz4.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/libnetlink.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/libnl.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/libselinux.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/vndk-29/libexif.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/vndk-29/liblz4.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/vndk-29/libnl.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib/vndk-29/libselinux.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libcups.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libexif.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_blkid.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_com_err.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_e2p.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_misc.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_quota.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2_uuid.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libext2fs.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libiprouteutil.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/liblz4.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libnetlink.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libnl.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/libselinux.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/vndk-29/libexif.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/vndk-29/liblz4.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/vndk-29/libnl.so
SDK: warning: including GNU target /home/rakesh/aosp/output/android-10.0.0_r45/target/product/generic_x86_64/system/lib64/vndk-29/libselinux.so
development/build/sdk-android-x86_64.atree:21: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/host/linux-x86/development/sys-img-x86_64/images_x86_64_source.properties
development/build/sdk.atree:70: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/api-stubs-docs_generated-api-versions.xml
development/build/sdk.atree:71: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/api-stubs-docs_annotations.zip
development/build/sdk.atree:151: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/host/common/obj/JAVA_LIBRARIES/shrinkedAndroid_intermediates/shrinkedAndroid.jar
development/build/sdk.atree:156: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/core-lambda-stubs_intermediates/classes.jar
development/build/sdk.atree:163: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/host/linux-x86/development/sdk/platform_source.properties
development/build/sdk.atree:169: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/android_jar_intermediates/android.jar
development/build/sdk.atree:170: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/android_jar_intermediates/android-stubs-src.jar
development/build/sdk.atree:174: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/org.apache.http.legacy.stubs_intermediates/classes.jar
development/build/sdk.atree:176: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/android_uiautomator_intermediates/classes.jar
development/build/sdk.atree:178: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/android.test.mock.stubs_intermediates/classes.jar
development/build/sdk.atree:179: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/android.test.base.stubs_intermediates/classes.jar
development/build/sdk.atree:180: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/JAVA_LIBRARIES/android.test.runner.stubs_intermediates/classes.jar
development/build/sdk.atree:183: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework.aidl
development/build/sdk.atree:213: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/api-stubs-docs_generated-api-versions.xml
development/build/sdk.atree:217: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/api-stubs-docs_annotations.zip
development/build/sdk.atree:222: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/activity_actions.txt
development/build/sdk.atree:223: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/broadcast_actions.txt
development/build/sdk.atree:224: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/service_actions.txt
development/build/sdk.atree:225: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/categories.txt
development/build/sdk.atree:226: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/widgets.txt
development/build/sdk.atree:227: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/target/common/obj/PACKAGING/framework-doc-stubs-metadata_intermediates/features.txt
development/build/sdk.atree:230: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/host/common/obj/PACKAGING/sdk-fonts_intermediates
development/build/sdk.atree:262: couldn't locate source file: /home/rakesh/aosp/output/android-10.0.0_r45/host/linux-x86/development/sdk/doc_source.properties
22:03:17 ninja failed with: exit status 1
Please help.