[ 66% 58306/87240] //hardware/arrow/in...rprint@2.0-service clang++ service.cpp
FAILED: /mnt/dev/rom/arrowp/out/soong/.intermediates/hardware/arrow/interfaces/biometrics/fingerprint/2.0/android.hardware.biometrics.fingerprint@2.0-service/android_arm64_armv8-a_cortex-a53_core/obj/hardware/arrow/interfaces/biometrics/fingerprint/2.0/service.o
PWD=/proc/self/cwd /usr/bin/ccache prebuilts/clang/host/linux-x86/clang-4691093/bin/clang++ -c -Ihardware/arrow/interfaces/biometrics/fingerprint/2.0  -Werror=implicit-function-declaration -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -no-canonical-prefixes -DNDEBUG -UDEBUG -fno-exceptions -Wno-multichar -O2 -g -fno-strict-aliasing -fdebug-prefix-map=/proc/self/cwd= -D__compiler_offsetof=__builtin_offsetof -Werror=int-conversion -Wno-reserved-id-macro -Wno-format-pedantic -Wno-unused-command-line-argument -fcolor-diagnostics -Wno-expansion-to-defined -Wno-zero-as-null-pointer-constant -fdebug-prefix-map=$PWD/= -ffunction-sections -fdata-sections -fno-short-enums -funwind-tables -fstack-protector-strong -Wa,--noexecstack -D_FORTIFY_SOURCE=2 -Wstrict-aliasing=2 -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Werror=date-time -Werror=format-security -nostdlibinc -march=armv8-a -mcpu=cortex-a53 -Isystem/core/libutils/include -Isystem/core/libbacktrace/include -Isystem/core/liblog/include -Isystem/core/libsystem/include -Isystem/core/libcutils/include -Isystem/libhidl/base/include -Isystem/libhidl/transport/include -I/mnt/dev/rom/arrowp/out/soong/.intermediates/system/libhidl/transport/manager/1.0/android.hidl.manager@1.0_genc++_headers/gen -I/mnt/dev/rom/arrowp/out/soong/.intermediates/system/libhidl/transport/manager/1.1/android.hidl.manager@1.1_genc++_headers/gen -I/mnt/dev/rom/arrowp/out/soong/.intermediates/system/libhidl/transport/base/1.0/android.hidl.base@1.0_genc++_headers/gen -Ihardware/libhardware/include -Isystem/media/audio/include -Isystem/bt/types -Isystem/libhwbinder/include -Isystem/core/base/include -I/mnt/dev/rom/arrowp/out/soong/.intermediates/hardware/interfaces/biometrics/fingerprint/2.1/android.hardware.biometrics.fingerprint@2.1_genc++_headers/gen -Iexternal/libcxx/include -Iexternal/libcxxabi/include -Ibionic/libc/system_properties/include -Isystem/core/property_service/libpropertyinfoparser/include -Isystem/core/include -Isystem/media/audio/include -Ihardware/libhardware/include -Ihardware/libhardware_legacy/include -Ihardware/ril/include -Ilibnativehelper/include -Iframeworks/native/include -Iframeworks/native/opengl/include -Iframeworks/av/include -isystem bionic/libc/include -isystem bionic/libc/kernel/uapi -isystem bionic/libc/kernel/uapi/asm-arm64 -isystem bionic/libc/kernel/android/scsi -isystem bionic/libc/kernel/android/uapi -Ilibnativehelper/include_jni -Wall -Werror -target aarch64-linux-android -Bprebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/aarch64-linux-android/bin -DANDROID_STRICT -fPIE -D_USING_LIBCXX -std=gnu++14 -Wsign-promo -Wno-inconsistent-missing-override -Wno-null-dereference -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wno-thread-safety-negative -Wno-gnu-include-next -fvisibility-inlines-hidden -fno-rtti  -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=address-of-temporary -Werror=return-type -Wno-tautological-constant-compare -Wno-null-pointer-arithmetic -Wno-enum-compare -Wno-enum-compare-switch -MD -MF '/mnt/dev/rom/arrowp/out/soong/.intermediates/hardware/arrow/interfaces/biometrics/fingerprint/2.0/android.hardware.biometrics.fingerprint@2.0-service/android_arm64_armv8-a_cortex-a53_core/obj/hardware/arrow/interfaces/biometrics/fingerprint/2.0/service.o'.d -o '/mnt/dev/rom/arrowp/out/soong/.intermediates/hardware/arrow/interfaces/biometrics/fingerprint/2.0/android.hardware.biometrics.fingerprint@2.0-service/android_arm64_armv8-a_cortex-a53_core/obj/hardware/arrow/interfaces/biometrics/fingerprint/2.0/service.o' hardware/arrow/interfaces/biometrics/fingerprint/2.0/service.cpp
hardware/arrow/interfaces/biometrics/fingerprint/2.0/service.cpp:38:9: error: ignoring return value of function declared with 'warn_unused_result' attribute [-Werror,-Wunused-result]
        bio->registerAsService();
        ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[ 66% 58311/87240] //hardware/interfac...etricsFingerprintClientCallbackAll.cpp
ninja: build stopped: subcommand failed.
14:49:50 ninja failed with: exit status 1

#### failed to build some targets (53:14 (mm:ss)) ####