Resolving Hex dependencies... Resolution completed in 0.065s Unchanged: cc_precompiler 0.1.11 circular_buffer 1.0.0 complex 0.6.0 elixir_make 0.9.0 ex_vrp 0.4.2 fine 0.1.6 interactive_cmd 0.1.4 jason 1.4.4 nerves 1.14.1 nerves_discovery 0.1.2 nerves_logging 0.2.4 nerves_runtime 0.13.12 nerves_system_bbb 2.29.3 nerves_system_br 1.33.5 nerves_system_grisp2 0.17.3 nerves_system_mangopi_mq_pro 0.15.3 nerves_system_osd32mp1 0.24.3 nerves_system_qemu_aarch64 0.3.3 nerves_system_rpi 2.0.2 nerves_system_rpi0 2.0.2 nerves_system_rpi0_2 2.0.2 nerves_system_rpi2 2.0.2 nerves_system_rpi3 2.0.2 nerves_system_rpi4 2.0.2 nerves_system_rpi5 2.0.2 nerves_system_x86_64 1.33.3 nerves_toolchain_aarch64_nerves_linux_gnu 13.2.0 nerves_toolchain_armv6_nerves_linux_gnueabihf 13.2.0 nerves_toolchain_armv7_nerves_linux_gnueabihf 13.2.0 nerves_toolchain_ctng 1.10.0 nerves_toolchain_riscv64_nerves_linux_gnu 13.2.0 nerves_toolchain_x86_64_nerves_linux_musl 13.2.0 nerves_uevent 0.1.5 nx 0.11.0 property_table 0.3.3 ring_logger 0.11.5 shoehorn 0.9.3 tablet 0.3.2 telemetry 1.4.1 toolshed 0.4.2 uboot_env 1.0.2 All dependencies have been fetched ==> jason Compiling 10 files (.ex) Generated jason app ==> tablet Compiling 2 files (.ex) Generated tablet app ==> elixir_make Compiling 8 files (.ex) Generated elixir_make app ==> nerves_discovery Compiling 5 files (.ex) Generated nerves_discovery app ==> interactive_cmd Compiling 1 file (.ex) Generated interactive_cmd app ==> nerves HOST_CC port.o HOST_LD port Compiling 50 files (.ex) Generated nerves app ==> nerves_compatibility_test Nerves environment MIX_TARGET: rpi4 MIX_ENV: prod Checking for prebuilt Nerves artifacts... Found nerves_system_rpi4 in cache /home/nerves/.nerves/artifacts/nerves_system_rpi4-portable-2.0.2 Found nerves_toolchain_aarch64_nerves_linux_gnu in cache /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0 ==> nerves ==> nerves_system_br Generated nerves_system_br app ==> nerves_toolchain_ctng Compiling 1 file (.ex) Generated nerves_toolchain_ctng app ==> nerves_toolchain_aarch64_nerves_linux_gnu Generated nerves_toolchain_aarch64_nerves_linux_gnu app ==> nerves_system_rpi4 Generated nerves_system_rpi4 app ==> nerves_compatibility_test Nerves environment MIX_TARGET: rpi4 MIX_ENV: prod ==> circular_buffer Compiling 1 file (.ex) Generated circular_buffer app ==> fine Compiling 1 file (.ex) Generated fine app ==> complex Compiling 2 files (.ex) Generated complex app ==> nerves_logging CC kmsg_tailer.o LD kmsg_tailer Compiling 5 files (.ex) Generated nerves_logging app ==> ring_logger Compiling 7 files (.ex) Generated ring_logger app ==> shoehorn Compiling 8 files (.ex) Generated shoehorn app ==> nerves_compatibility_test ===> Analyzing applications... ===> Compiling telemetry ==> nx Compiling 41 files (.ex) Generated nx app ==> uboot_env Compiling 5 files (.ex) Generated uboot_env app ==> cc_precompiler Compiling 3 files (.ex) Generated cc_precompiler app ==> ex_vrp Downloading precompiled NIF to /home/nerves/.cache/elixir_make/ex_vrp-nif-2.17-aarch64-linux-gnu-0.4.2.tar.gz Error happened while installing ex_vrp from precompiled binary: "precompiled \"ex_vrp-nif-2.17-aarch64-linux-gnu-0.4.2.tar.gz\" does not exist or cannot download: :enoent". Attempting to compile ex_vrp from source... mkdir -p /work/proj/_build/rpi4/lib/ex_vrp/priv /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/aarch64-nerves-linux-gnu-g++ -std=c++20 -Wall -Wextra -fPIC -fvisibility=hidden -I/home/nerves/.nerves/artifacts/nerves_system_rpi4-portable-2.0.2/staging/usr/lib/erlang/erts-16.3.1/include -Ic_src -Ic_src/pyvrp -O3 -flto -DNDEBUG -Wno-dangling-reference -isystem /work/proj/deps/fine/c_include --sysroot=/home/nerves/.nerves/artifacts/nerves_system_rpi4-portable-2.0.2/staging -shared -flto -o /work/proj/_build/rpi4/lib/ex_vrp/priv/ex_vrp_nif.so c_src/obj/ex_vrp_nif.o c_src/obj/pyvrp/CostEvaluator.o c_src/obj/pyvrp/DurationSegment.o c_src/obj/pyvrp/DynamicBitset.o c_src/obj/pyvrp/LoadSegment.o c_src/obj/pyvrp/ProblemData.o c_src/obj/pyvrp/RandomNumberGenerator.o c_src/obj/pyvrp/Route.o c_src/obj/pyvrp/Solution.o c_src/obj/pyvrp/Trip.o c_src/obj/pyvrp/search/LocalSearch.o c_src/obj/pyvrp/search/PerturbationManager.o c_src/obj/pyvrp/search/RelocateWithDepot.o c_src/obj/pyvrp/search/Route.o c_src/obj/pyvrp/search/SearchSpace.o c_src/obj/pyvrp/search/Solution.o c_src/obj/pyvrp/search/SwapRoutes.o c_src/obj/pyvrp/search/SwapStar.o c_src/obj/pyvrp/search/SwapTails.o c_src/obj/pyvrp/search/primitives.o /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/ex_vrp_nif.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/CostEvaluator.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/DurationSegment.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/DynamicBitset.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/LoadSegment.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/ProblemData.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/RandomNumberGenerator.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/Route.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/Solution.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/Trip.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/LocalSearch.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/PerturbationManager.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/RelocateWithDepot.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/Route.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/SearchSpace.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/Solution.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/SwapRoutes.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/SwapStar.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/SwapTails.o: No such file or directory /home/nerves/.nerves/artifacts/nerves_toolchain_aarch64_nerves_linux_gnu-linux_aarch64-13.2.0/bin/../lib/gcc/aarch64-nerves-linux-gnu/13.2.0/../../../../aarch64-nerves-linux-gnu/bin/ld: cannot find c_src/obj/pyvrp/search/primitives.o: No such file or directory collect2: error: ld returned 1 exit status make: *** [Makefile:136: /work/proj/_build/rpi4/lib/ex_vrp/priv/ex_vrp_nif.so] Error 1 could not compile dependency :ex_vrp, "mix compile" failed. Errors may have been logged above. You can recompile this dependency with "mix deps.compile ex_vrp --force", update it with "mix deps.update ex_vrp" or clean it with "mix deps.clean ex_vrp" ==> nerves_compatibility_test ** (Mix) Could not compile with "make" (exit status: 2). You need to have gcc and make installed. If you are using Ubuntu or any other Debian-based system, install the packages "build-essential". Also install "erlang-dev" package if not included in your Erlang/OTP version. If you're on Fedora, run "dnf group install 'Development Tools'".