[INFO] fetching crate vowpalwabbit-sys 8.8.1+vw-v8.8.0...
[INFO] checking vowpalwabbit-sys-8.8.1+vw-v8.8.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0
[INFO] finished tweaking crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0
[INFO] tweaked toml for crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2232414135b53d5e51b9cb69a5a6b7b7488c5157810d8e33f311cfec6d296e16
[INFO] running `Command { std: "docker" "start" "-a" "2232414135b53d5e51b9cb69a5a6b7b7488c5157810d8e33f311cfec6d296e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2232414135b53d5e51b9cb69a5a6b7b7488c5157810d8e33f311cfec6d296e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2232414135b53d5e51b9cb69a5a6b7b7488c5157810d8e33f311cfec6d296e16", kill_on_drop: false }`
[INFO] [stdout] 2232414135b53d5e51b9cb69a5a6b7b7488c5157810d8e33f311cfec6d296e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f4fe2839a63187e8c0e543320d05ef55d2258e1b603f66c74b573ebed4c9e1
[INFO] running `Command { std: "docker" "start" "-a" "41f4fe2839a63187e8c0e543320d05ef55d2258e1b603f66c74b573ebed4c9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling vowpalwabbit-sys v8.8.1+vw-v8.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `vowpalwabbit-sys v8.8.1+vw-v8.8.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/vowpalwabbit-sys-bfdc5368800dbba5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   CMAKE_TOOLCHAIN_FILE_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CMAKE_TOOLCHAIN_FILE_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CMAKE_TOOLCHAIN_FILE = None
[INFO] [stderr]   CMAKE_TOOLCHAIN_FILE = None
[INFO] [stderr]   CMAKE_GENERATOR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CMAKE_GENERATOR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CMAKE_GENERATOR = None
[INFO] [stderr]   CMAKE_GENERATOR = None
[INFO] [stderr]   CMAKE_PREFIX_PATH_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CMAKE_PREFIX_PATH_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CMAKE_PREFIX_PATH = None
[INFO] [stderr]   CMAKE_PREFIX_PATH = None
[INFO] [stderr]   CMAKE_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CMAKE_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CMAKE = None
[INFO] [stderr]   CMAKE = None
[INFO] [stderr]   running: "cmake" "/opt/rustwide/workdir/external/vowpal_wabbit" "-DSTATIC_LINK_VW_JAVA=On" "-DVW_INSTALL=Off" "-DBUILD_TESTS=Off" "-DGIT_SUBMODULE=Off" "-DCMAKE_ARCHIVE_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/lib" "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/lib" "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/bin" "-DCMAKE_INSTALL_PREFIX=/opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_C_COMPILER=/usr/bin/cc" "-DCMAKE_CXX_FLAGS=  -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_COMPILER=/usr/bin/c++" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_ASM_COMPILER=/usr/bin/cc" "-DCMAKE_BUILD_TYPE=Debug"
[INFO] [stderr]   -- VowpalWabbit Version: 8.8.0
[INFO] [stderr]   -- The CXX compiler identification is GNU 9.3.0
[INFO] [stderr]   -- Check for working CXX compiler: /usr/bin/c++
[INFO] [stderr]   -- Check for working CXX compiler: /usr/bin/c++ -- works
[INFO] [stderr]   -- Detecting CXX compiler ABI info
[INFO] [stderr]   -- Detecting CXX compiler ABI info - done
[INFO] [stderr]   -- Detecting CXX compile features
[INFO] [stderr]   -- Detecting CXX compile features - done
[INFO] [stderr]   -- Number of processors: 128
[INFO] [stderr]   -- Looking for C++ include pthread.h
[INFO] [stderr]   -- Looking for C++ include pthread.h - found
[INFO] [stderr]   -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
[INFO] [stderr]   -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
[INFO] [stderr]   -- Check if compiler accepts -pthread
[INFO] [stderr]   -- Check if compiler accepts -pthread - yes
[INFO] [stderr]   -- Found Threads: TRUE  
[INFO] [stderr]   -- The C compiler identification is GNU 9.3.0
[INFO] [stderr]   -- Check for working C compiler: /usr/bin/cc
[INFO] [stderr]   -- Check for working C compiler: /usr/bin/cc -- works
[INFO] [stderr]   -- Detecting C compiler ABI info
[INFO] [stderr]   -- Detecting C compiler ABI info - done
[INFO] [stderr]   -- Detecting C compile features
[INFO] [stderr]   -- Detecting C compile features - done
[INFO] [stderr]   -- Looking for sys/types.h
[INFO] [stderr]   -- Looking for sys/types.h - found
[INFO] [stderr]   -- Looking for stdint.h
[INFO] [stderr]   -- Looking for stdint.h - found
[INFO] [stderr]   -- Looking for stddef.h
[INFO] [stderr]   -- Looking for stddef.h - found
[INFO] [stderr]   -- Check size of off64_t
[INFO] [stderr]   -- Check size of off64_t - done
[INFO] [stderr]   -- Looking for fseeko
[INFO] [stderr]   -- Looking for fseeko - found
[INFO] [stderr]   -- Looking for unistd.h
[INFO] [stderr]   -- Looking for unistd.h - found
[INFO] [stderr]   -- Boost format: modularized
[INFO] [stderr]   -- Boost found: 1.69.0 /opt/rustwide/workdir/external/vowpal_wabbit/external/boost
[INFO] [stderr]   -- Looking for __linux__
[INFO] [stderr]   -- Looking for __linux__ - found
[INFO] [stderr]   -- Looking for _WIN32
[INFO] [stderr]   -- Looking for _WIN32 - not found
[INFO] [stderr]   -- Looking for __APPLE__
[INFO] [stderr]   -- Looking for __APPLE__ - not found
[INFO] [stderr]   -- Looking for __ANDROID__
[INFO] [stderr]   -- Looking for __ANDROID__ - not found
[INFO] [stderr]   -- Looking for __FreeBSD__
[INFO] [stderr]   -- Looking for __FreeBSD__ - not found
[INFO] [stderr]   -- help2man not found, please install it to generate manpages
[INFO] [stderr]   -- Configuring done
[INFO] [stderr]   -- Generating done
[INFO] [stderr]   -- Build files have been written to: /opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/build
[INFO] [stderr]   running: "cmake" "--build" "." "--target" "vw_c_wrapper" "--config" "Debug" "--parallel" "128"
[INFO] [stderr]   Scanning dependencies of target allreduce
[INFO] [stderr]   Scanning dependencies of target zlib
[INFO] [stderr]   [  1%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/allreduce_sockets.cc.o
[INFO] [stderr]   [  3%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/vw_exception.cc.o
[INFO] [stderr]   [  3%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/allreduce_threads.cc.o
[INFO] [stderr]   [  3%] Building C object external/zlib/CMakeFiles/zlib.dir/adler32.o
[INFO] [stderr]   [  5%] Building C object external/zlib/CMakeFiles/zlib.dir/compress.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/gzread.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/inflate.o
[INFO] [stderr]   [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/deflate.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/inftrees.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/uncompr.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/gzlib.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/trees.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/gzclose.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/crc32.o
[INFO] [stderr]   [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/infback.o
[INFO] [stderr]   [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/inffast.o
[INFO] [stderr]   [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/zutil.o
[INFO] [stderr]   [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/gzwrite.o
[INFO] [stderr]   Scanning dependencies of target Boost_program_options
[INFO] [stderr]   [ 15%] Linking C shared library /opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/lib/libz.so
[INFO] [stderr]   [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/cmdline.cpp.o
[INFO] [stderr]   [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/config_file.cpp.o
[INFO] [stderr]   [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/options_description.cpp.o
[INFO] [stderr]   [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/variables_map.cpp.o
[INFO] [stderr]   [ 19%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/parsers.cpp.o
[INFO] [stderr]   [ 19%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/value_semantic.cpp.o
[INFO] [stderr]   [ 19%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/utf8_codecvt_facet.cpp.o
[INFO] [stderr]   [ 21%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/positional_options.cpp.o
[INFO] [stderr]   [ 23%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/convert.cpp.o
[INFO] [stderr]   [ 23%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/winmain.cpp.o
[INFO] [stderr]   [ 23%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/split.cpp.o
[INFO] [stderr]   [ 23%] Built target zlib
[INFO] [stderr]   [ 23%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/lib/liballreduce.a
[INFO] [stderr]   [ 23%] Built target allreduce
[INFO] [stderr]   [ 25%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-41e23c90a4318a2c/out/lib/libboost_program_options.a
[INFO] [stderr]   [ 25%] Built target Boost_program_options
[INFO] [stderr]   Scanning dependencies of target vw
[INFO] [stderr]   [ 27%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/action_score.cc.o
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[INFO] [stderr]   [ 27%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/active_cover.cc.o
[INFO] [stderr]   [ 27%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/autolink.cc.o
[INFO] [stderr]   [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/audit_regressor.cc.o
[INFO] [stderr]   [ 31%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o
[INFO] [stderr]   [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/binary.cc.o
[INFO] [stderr]   [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o
[INFO] [stderr]   [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/bfgs.cc.o
[INFO] [stderr]   [ 35%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cache.cc.o
[INFO] [stderr]   [ 35%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/boosting.cc.o
[INFO] [stderr]   [ 35%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/bs.cc.o
[INFO] [stderr]   [ 35%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_adf.cc.o
[INFO] [stderr]   [ 37%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_algs.cc.o
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[INFO] [stderr]   [ 37%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_cover.cc.o
[INFO] [stderr]   [ 39%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_first.cc.o
[INFO] [stderr]   [ 39%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_greedy.cc.o
[INFO] [stderr]   [ 41%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_regcb.cc.o
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[INFO] [stderr]   [ 43%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_sample.cc.o
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[INFO] [stderr]   [ 45%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb.cc.o
[INFO] [stderr]   [ 45%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/ccb_label.cc.o
[INFO] [stderr]   [ 47%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/classweight.cc.o
[INFO] [stderr]   [ 47%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/comp_io.cc.o
[INFO] [stderr]   [ 47%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/conditional_contextual_bandit.cc.o
[INFO] [stderr]   [ 49%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cost_sensitive.cc.o
[INFO] [stderr]   [ 49%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cs_active.cc.o
[INFO] [stderr]   [ 50%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/csoaa.cc.o
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[INFO] [stderr]   [ 66%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/loss_functions.cc.o
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[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CMake Warning (dev) at external/zlib/CMakeLists.txt:4 (project):
[INFO] [stderr]     Policy CMP0048 is not set: project() command manages VERSION variables.
[INFO] [stderr]     Run "cmake --help-policy CMP0048" for policy details.  Use the cmake_policy
[INFO] [stderr]     command to set the policy and suppress this warning.
[INFO] [stderr] 
[INFO] [stderr]     The following variable(s) would be set to empty:
[INFO] [stderr] 
[INFO] [stderr]       PROJECT_VERSION
[INFO] [stderr]       PROJECT_VERSION_MAJOR
[INFO] [stderr]       PROJECT_VERSION_MINOR
[INFO] [stderr]       PROJECT_VERSION_PATCH
[INFO] [stderr]   This warning is for project developers.  Use -Wno-dev to suppress it.
[INFO] [stderr] 
[INFO] [stderr]   CMake Warning:
[INFO] [stderr]     Manually-specified variables were not used by the project:
[INFO] [stderr] 
[INFO] [stderr]       CMAKE_ASM_COMPILER
[INFO] [stderr]       CMAKE_ASM_FLAGS
[INFO] [stderr]       GIT_SUBMODULE
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   make: warning: -j128 forced in submake: resetting jobserver mode.
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:219: vowpalwabbit/CMakeFiles/vw.dir/cache.cc.o] Error 1
[INFO] [stderr]   make[3]: *** Waiting for unfinished jobs....
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/memory.h:5,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:26,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/memory.h:5,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:26,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:4:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:4:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:4:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:4:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/action_score.cc:4:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:76: vowpalwabbit/CMakeFiles/vw.dir/action_score.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:154: vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:921: vowpalwabbit/CMakeFiles/vw.dir/options_serializer_boost_po.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:804: vowpalwabbit/CMakeFiles/vw.dir/multilabel.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1181: vowpalwabbit/CMakeFiles/vw.dir/simple_label.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:609: vowpalwabbit/CMakeFiles/vw.dir/interactions.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1116: vowpalwabbit/CMakeFiles/vw.dir/search_multiclasstask.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:700: vowpalwabbit/CMakeFiles/vw.dir/loss_functions.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:778: vowpalwabbit/CMakeFiles/vw.dir/multiclass.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:947: vowpalwabbit/CMakeFiles/vw.dir/parse_example.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:362: vowpalwabbit/CMakeFiles/vw.dir/cb.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:453: vowpalwabbit/CMakeFiles/vw.dir/cost_sensitive.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:414: vowpalwabbit/CMakeFiles/vw.dir/comp_io.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:63: vowpalwabbit/CMakeFiles/vw.dir/accumulate.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1272: vowpalwabbit/CMakeFiles/vw.dir/vw_validate.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:583: vowpalwabbit/CMakeFiles/vw.dir/global_data.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:349: vowpalwabbit/CMakeFiles/vw.dir/cb_sample.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:973: vowpalwabbit/CMakeFiles/vw.dir/parse_regressor.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1220: vowpalwabbit/CMakeFiles/vw.dir/topk.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:128: vowpalwabbit/CMakeFiles/vw.dir/autolink.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1077: vowpalwabbit/CMakeFiles/vw.dir/search_graph.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:856: vowpalwabbit/CMakeFiles/vw.dir/no_label.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1233: vowpalwabbit/CMakeFiles/vw.dir/unique_sort.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1064: vowpalwabbit/CMakeFiles/vw.dir/search_entityrelationtask.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1090: vowpalwabbit/CMakeFiles/vw.dir/search_hooktask.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:531: vowpalwabbit/CMakeFiles/vw.dir/ftrl.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:674: vowpalwabbit/CMakeFiles/vw.dir/learner.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:986: vowpalwabbit/CMakeFiles/vw.dir/parser.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1129: vowpalwabbit/CMakeFiles/vw.dir/search_sequencetask.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1051: vowpalwabbit/CMakeFiles/vw.dir/search_dep_parser.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:505: vowpalwabbit/CMakeFiles/vw.dir/example.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:375: vowpalwabbit/CMakeFiles/vw.dir/cbify.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:310: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_regcb.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1168: vowpalwabbit/CMakeFiles/vw.dir/shared_feature_merger.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:89: vowpalwabbit/CMakeFiles/vw.dir/active_cover.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:336: vowpalwabbit/CMakeFiles/vw.dir/cb_explore.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1285: vowpalwabbit/CMakeFiles/vw.dir/warm_cb.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:440: vowpalwabbit/CMakeFiles/vw.dir/confidence.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1155: vowpalwabbit/CMakeFiles/vw.dir/sender.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:388: vowpalwabbit/CMakeFiles/vw.dir/ccb_label.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:843: vowpalwabbit/CMakeFiles/vw.dir/nn.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:323: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_softmax.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:167: vowpalwabbit/CMakeFiles/vw.dir/bfgs.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:271: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_cover.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:115: vowpalwabbit/CMakeFiles/vw.dir/audit_regressor.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:401: vowpalwabbit/CMakeFiles/vw.dir/classweight.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:908: vowpalwabbit/CMakeFiles/vw.dir/options_boost_po.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1207: vowpalwabbit/CMakeFiles/vw.dir/svrg.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:492: vowpalwabbit/CMakeFiles/vw.dir/ect.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1194: vowpalwabbit/CMakeFiles/vw.dir/stagewise_poly.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:635: vowpalwabbit/CMakeFiles/vw.dir/kernel_svm.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:206: vowpalwabbit/CMakeFiles/vw.dir/bs.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:713: vowpalwabbit/CMakeFiles/vw.dir/lrq.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1142: vowpalwabbit/CMakeFiles/vw.dir/search.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:258: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_bag.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:765: vowpalwabbit/CMakeFiles/vw.dir/mf.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:427: vowpalwabbit/CMakeFiles/vw.dir/conditional_contextual_bandit.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:934: vowpalwabbit/CMakeFiles/vw.dir/parse_args.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:895: vowpalwabbit/CMakeFiles/vw.dir/OjaNewton.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:557: vowpalwabbit/CMakeFiles/vw.dir/gd.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:284: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_first.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:297: vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_greedy.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:752: vowpalwabbit/CMakeFiles/vw.dir/memory_tree.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:869: vowpalwabbit/CMakeFiles/vw.dir/noop.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:180: vowpalwabbit/CMakeFiles/vw.dir/binary.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:102: vowpalwabbit/CMakeFiles/vw.dir/active.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:466: vowpalwabbit/CMakeFiles/vw.dir/cs_active.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:739: vowpalwabbit/CMakeFiles/vw.dir/marginal.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:193: vowpalwabbit/CMakeFiles/vw.dir/boosting.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:232: vowpalwabbit/CMakeFiles/vw.dir/cb_adf.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:687: vowpalwabbit/CMakeFiles/vw.dir/log_multi.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:141: vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1038: vowpalwabbit/CMakeFiles/vw.dir/scorer.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:648: vowpalwabbit/CMakeFiles/vw.dir/label_dictionary.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:817: vowpalwabbit/CMakeFiles/vw.dir/mwt.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:518: vowpalwabbit/CMakeFiles/vw.dir/explore_eval.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:661: vowpalwabbit/CMakeFiles/vw.dir/lda_core.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:791: vowpalwabbit/CMakeFiles/vw.dir/multilabel_oaa.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:1103: vowpalwabbit/CMakeFiles/vw.dir/search_meta.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:596: vowpalwabbit/CMakeFiles/vw.dir/interact.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:882: vowpalwabbit/CMakeFiles/vw.dir/oaa.cc.o] Error 1
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:570: vowpalwabbit/CMakeFiles/vw.dir/gen_cs_example.cc.o] Error 1
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, char>; T = print; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:384:35:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = print; E = example; L = LEARNER::learner<char, char>; free_ptr<T> = std::unique_ptr<print, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:60:74:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(print&, LEARNER::learner<char, char>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(print&, LEARNER::learner<char, char>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(print&, LEARNER::learner<char, char>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/print.cc:1:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_base.hpp:16,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/prologue.hpp:17,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_template.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/maybe_include.hpp:22,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function1.hpp:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/value_semantic.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/options_description.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options.hpp:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:7,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_base.hpp:16,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/prologue.hpp:17,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_template.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/maybe_include.hpp:22,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function1.hpp:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/value_semantic.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/options_description.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options.hpp:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:7,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:32,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/array_parameters.h: In instantiation of 'void sparse_parameters::set_default(R&) [with R = unsigned int; T = set_rand_wrapper<sparse_parameters>]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:259:102:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/array_parameters.h:176:11: warning: cast between incompatible function types from 'void (*)(weight&, uint32_t&, uint64_t)' {aka 'void (*)(float&, unsigned int&, long unsigned int)'} to 'void (*)(const weight*, void*)' {aka 'void (*)(const float*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     176 |     fun = (void (*)(const weight*, void*))T::func;
[INFO] [stderr]         |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = LRQFAstate; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:412:42:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = LRQFAstate; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<LRQFAstate, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:156:67:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(LRQFAstate&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(LRQFAstate&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(LRQFAstate&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = gdmf; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:381:28:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(gdmf&, io_buf&, bool, bool)' to 'LEARNER::save_load_data::fn' {aka 'void (*)(void*, io_buf&, bool, bool)'} [-Wcast-function-type]
[INFO] [stderr]     259 |     save_load_fd.save_load_f = (save_load_data::fn)sl;
[INFO] [stderr]         |                                ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_end_pass(void (*)(T&)) [with T = gdmf; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:382:26:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:286:92: warning: cast between incompatible function types from 'void (*)(gdmf&)' to 'LEARNER::func_data::fn' {aka 'void (*)(void*)'} [-Wcast-function-type]
[INFO] [stderr]     286 |   void set_end_pass(void (*f)(T&)) { end_pass_fd = tuple_dbf(learn_fd.data, learn_fd.base, (func_data::fn)f); }
[INFO] [stderr]         |                                                                                            ^~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_finish_example(void (*)(vw&, T&, E&)) [with T = CB_ALGS::cb; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:201:46:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:310:42: warning: cast between incompatible function types from 'void (*)(vw&, CB_ALGS::cb&, example&)' to 'LEARNER::learner<CB_ALGS::cb, example>::end_fptr_type' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     310 |     finish_example_fd.finish_example_f = (end_fptr_type)(f);
[INFO] [stderr]         |                                          ^~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_finish_example(void (*)(vw&, T&, E&)) [with T = CSOAA::csoaa; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:134:38:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:310:42: warning: cast between incompatible function types from 'void (*)(vw&, CSOAA::csoaa&, example&)' to 'LEARNER::learner<CSOAA::csoaa, example>::end_fptr_type' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     310 |     finish_example_fd.finish_example_f = (end_fptr_type)(f);
[INFO] [stderr]         |                                          ^~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /usr/include/c++/9/thread:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:31,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = recall_tree_ns::recall_tree; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:538:33:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(recall_tree_ns::recall_tree&, io_buf&, bool, bool)' to 'LEARNER::save_load_data::fn' {aka 'void (*)(void*, io_buf&, bool, bool)'} [-Wcast-function-type]
[INFO] [stderr]     259 |     save_load_fd.save_load_f = (save_load_data::fn)sl;
[INFO] [stderr]         |                                ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_finish_example(void (*)(vw&, T&, E&)) [with T = CSOAA::ldf; E = std::vector<example*>]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:884:48:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:310:42: warning: cast between incompatible function types from 'void (*)(vw&, CSOAA::ldf&, std::vector<example*>&)' to 'LEARNER::learner<CSOAA::ldf, std::vector<example*> >::end_fptr_type' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_end_pass(void (*)(T&)) [with T = CSOAA::ldf; E = std::vector<example*>]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:885:26:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:286:92: warning: cast between incompatible function types from 'void (*)(CSOAA::ldf&)' to 'LEARNER::func_data::fn' {aka 'void (*)(void*)'} [-Wcast-function-type]
[INFO] [stderr]     286 |   void set_end_pass(void (*f)(T&)) { end_pass_fd = tuple_dbf(learn_fd.data, learn_fd.base, (func_data::fn)f); }
[INFO] [stderr]         |                                                                                            ^~~~~~~~~~~~~~~~
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/build.make:999: vowpalwabbit/CMakeFiles/vw.dir/print.cc.o] Error 1
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:11:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7:   required from 'void v_array<T>::clear() [with T = std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:301:23:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_base.hpp:16,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/prologue.hpp:17,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_template.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/maybe_include.hpp:22,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function1.hpp:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/value_semantic.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/options_description.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options.hpp:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:7,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:11:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /usr/include/c++/9/memory:81,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_base.hpp:16,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/prologue.hpp:17,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function_template.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/detail/maybe_include.hpp:22,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/function/include/boost/function/function1.hpp:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/value_semantic.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options/options_description.hpp:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/external/boost/libs/program_options/include/boost/program_options.hpp:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:7,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >' declared here
[INFO] [stderr]     103 |     class shared_ptr : public __shared_ptr<_Tp>
[INFO] [stderr]         |           ^~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature_slice; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature_slice]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:354:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:74:28: warning: 'void* realloc(void*, size_t)' moving an object of non-trivially copyable type 'struct feature_slice'; use 'new' and 'delete' instead [-Wclass-memaccess]
[INFO] [stderr]      74 |       T* temp = (T*)realloc(_begin, sizeof(T) * length);
[INFO] [stderr]         |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct feature_slice' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:33:8: note: 'struct feature_slice' declared here
[INFO] [stderr]      33 | struct feature_slice  // a helper struct for functions using the set {v,i,space_name}
[INFO] [stderr]         |        ^~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/lrqfa.cc:2:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = feature; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = feature]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:371:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct feature'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:18,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/feature_group.h:25:8: note: 'struct feature' declared here
[INFO] [stderr]      25 | struct feature  // sparse feature definition for the library interface
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = gdmf; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:384:35:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = gdmf; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<gdmf, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:380:108:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(gdmf&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(gdmf&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(gdmf&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = CB_ALGS::cb; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CB_ALGS::cb; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<CB_ALGS::cb, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:200:108:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = CSOAA::csoaa; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CSOAA::csoaa; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<CSOAA::csoaa, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:130:75:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = recall_tree_ns::node; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = recall_tree_ns::node]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:99:29:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct recall_tree_ns::node'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:29:8: note: 'struct recall_tree_ns::node' declared here
[INFO] [stderr]      29 | struct node
[INFO] [stderr]         |        ^~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = recall_tree_ns::node_pred; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7:   required from 'void v_array<T>::push_back(const T&) [with T = recall_tree_ns::node_pred]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:143:38:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct recall_tree_ns::node_pred'; use assignment instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:21:8: note: 'struct recall_tree_ns::node_pred' declared here
[INFO] [stderr]      21 | struct node_pred
[INFO] [stderr]         |        ^~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(CSOAA::csoaa&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(CSOAA::csoaa&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(CSOAA::csoaa&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(CB_ALGS::cb&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(CB_ALGS::cb&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(CB_ALGS::cb&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parse_regressor.h:8,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd_mf.cc:17:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/io_buf.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:10,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array<T>::resize(size_t) [with T = v_hashmap<long unsigned int, features>::hash_elem; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_hashmap.h:58:5:   required from 'void v_hashmap<K, V>::init(size_t, const V&, bool (*)(const K&, const K&)) [with K = long unsigned int; V = features; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:870:56:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:82:15: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct v_hashmap<long unsigned int, features>::hash_elem'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]      82 |         memset(_begin + old_len, 0, (length - old_len) * sizeof(T));
[INFO] [stderr]         |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:39,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:14,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_hashmap.h:17:10: note: 'struct v_hashmap<long unsigned int, features>::hash_elem' declared here
[INFO] [stderr]      17 |   struct hash_elem
[INFO] [stderr]         |          ^~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = recall_tree_ns::recall_tree; E = example; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:441:49:   required from 'LEARNER::learner<T, E>& LEARNER::init_multiclass_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = recall_tree_ns::recall_tree; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<recall_tree_ns::recall_tree, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:537:104:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner<T, E>& LEARNER::learner<T, E>::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner<char, example>; T = CSOAA::ldf; E = std::vector<example*>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42:   required from 'LEARNER::learner<T, E>& LEARNER::init_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CSOAA::ldf; E = std::vector<example*>; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<CSOAA::ldf, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:883:46:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:348:48: warning: cast between incompatible function types from 'void (*)(vw&, void*, example&)' to 'LEARNER::finish_example_data::fn' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     348 |       ret.finish_example_fd.finish_example_f = (finish_example_data::fn)return_simple_example;
[INFO] [stderr]         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(CSOAA::ldf&, LEARNER::learner<char, example>&, std::vector<example*>&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(CSOAA::ldf&, LEARNER::learner<char, example>&, std::vector<example*>&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(CSOAA::ldf&, LEARNER::learner<char, example>&, std::vector<example*>&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(recall_tree_ns::recall_tree&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     357 |     ret.learn_fd.learn_f = (learn_data::fn)learn;
[INFO] [stderr]         |                            ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(recall_tree_ns::recall_tree&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     358 |     ret.learn_fd.update_f = (learn_data::fn)learn;
[INFO] [stderr]         |                             ^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:359:30: warning: cast between incompatible function types from 'void (*)(recall_tree_ns::recall_tree&, LEARNER::learner<char, example>&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner<char, char>&, void*)'} [-Wcast-function-type]
[INFO] [stderr]     359 |     ret.learn_fd.predict_f = (learn_data::fn)predict;
[INFO] [stderr]         |                              ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner<T, E>::set_finish_example(void (*)(vw&, T&, E&)) [with T = recall_tree_ns::recall_tree; E = example]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:444:3:   required from 'LEARNER::learner<T, E>& LEARNER::init_multiclass_learner(free_ptr<T>&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = recall_tree_ns::recall_tree; E = example; L = LEARNER::learner<char, example>; free_ptr<T> = std::unique_ptr<recall_tree_ns::recall_tree, void (*)(void*)>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:537:104:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:310:42: warning: cast between incompatible function types from 'void (*)(vw&, recall_tree_ns::recall_tree&, example&)' to 'LEARNER::learner<recall_tree_ns::recall_tree, example>::end_fptr_type' {aka 'void (*)(vw&, void*, void*)'} [-Wcast-function-type]
[INFO] [stderr]     310 |     finish_example_fd.finish_example_f = (end_fptr_type)(f);
[INFO] [stderr]         |                                          ^~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:38,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/global_data.h:36,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/vw.h:15,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_algs.cc:8:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/csoaa.cc:10:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:28,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:12,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool<T, TInitializer, TCleanup>::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]':
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:36:5:   required from 'VW::no_lock_object_pool<T, TInitializer, TCleanup>::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63:   required from 'VW::object_pool<T, TInitializer, TCleanup>::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup<example>; size_t = long unsigned int]'
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/parser.h:41:116:   required from here
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:111:13: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct example'; use assignment or value-initialization instead [-Wclass-memaccess]
[INFO] [stderr]     111 |       memset(&chunk[i], 0, sizeof(T));
[INFO] [stderr]         |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:11,
[INFO] [stderr]                    from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/recall_tree.cc:13:
[INFO] [stderr]   /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/example.h:54:8: note: 'struct example' declared here
[INFO] [stderr]      54 | struct example : public example_predict  // core example datatype.
[INFO] [stderr]         |        ^~~~~~~
[INFO] [stderr]   make[2]: *** [CMakeFiles/Makefile2:575: vowpalwabbit/CMakeFiles/vw.dir/all] Error 2
[INFO] [stderr]   make[1]: *** [CMakeFiles/Makefile2:496: vowpalwabbit/CMakeFiles/vw_c_wrapper.dir/rule] Error 2
[INFO] [stderr]   make: *** [Makefile:294: vw_c_wrapper] Error 2
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr]   command did not execute successfully, got: exit status: 2
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.46/src/lib.rs:974:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ff37c58afc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ff37c58afc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ff37c58afc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ff37c58afc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ff37c7eeac - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55ff37c551e5 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55ff37c5abd0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ff37c5abd0 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ff37c5abd0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55ff37c5a787 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55ff37c5b284 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55ff37c5ad60 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55ff37c58fc4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ff37c5acc9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55ff37700b7b - std::panicking::begin_panic_fmt::h32ac317c038a272d
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:460:5
[INFO] [stderr]     15:     0x55ff3770db2b - cmake::fail::h487ec6ada033e865
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.46/src/lib.rs:974:5
[INFO] [stderr]     16:     0x55ff3770d549 - cmake::run::hab24d1ade5cb3b60
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.46/src/lib.rs:952:9
[INFO] [stderr]     17:     0x55ff3770a3fc - cmake::Config::build::hbafbbaa4136f62d3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.46/src/lib.rs:832:9
[INFO] [stderr]     18:     0x55ff3770246d - build_script_build::main::h9ff09bf34cebb399
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:15:15
[INFO] [stderr]     19:     0x55ff3770360b - core::ops::function::FnOnce::call_once::h373b929cfb8a6466
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55ff3770342e - std::sys_common::backtrace::__rust_begin_short_backtrace::h35493589cf59d672
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55ff37703391 - std::rt::lang_start::{{closure}}::h28e92fe030b50489
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x55ff37c5b78a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55ff37c5b78a - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x55ff37c5b78a - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x55ff37c5b78a - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panic.rs:129:14
[INFO] [stderr]     26:     0x55ff37c5b78a - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x55ff37c5b78a - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:403:40
[INFO] [stderr]     28:     0x55ff37c5b78a - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:367:19
[INFO] [stderr]     29:     0x55ff37c5b78a - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panic.rs:129:14
[INFO] [stderr]     30:     0x55ff37c5b78a - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x55ff37703360 - std::rt::lang_start::ha7a6537f74471ecb
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x55ff37702fdc - main
[INFO] [stderr]     33:     0x7f9721b460b3 - __libc_start_main
[INFO] [stderr]     34:     0x55ff3770203e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "41f4fe2839a63187e8c0e543320d05ef55d2258e1b603f66c74b573ebed4c9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f4fe2839a63187e8c0e543320d05ef55d2258e1b603f66c74b573ebed4c9e1", kill_on_drop: false }`
[INFO] [stdout] 41f4fe2839a63187e8c0e543320d05ef55d2258e1b603f66c74b573ebed4c9e1
