[INFO] crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 is already in cache [INFO] checking vowpalwabbit-sys-8.8.1+vw-v8.8.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] extracting crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [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-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 239c08fc97966e22f4d7dd6ebda1783d36bc78d63afdd6383d3fbe18967bff6f [INFO] running `"docker" "start" "-a" "239c08fc97966e22f4d7dd6ebda1783d36bc78d63afdd6383d3fbe18967bff6f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bindgen v0.52.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling regex v1.3.7 [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-2896b6095a855edb/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [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-a180721a0e82e3b7/out/lib" "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/out/lib" "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/out/bin" "-DCMAKE_INSTALL_PREFIX=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/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_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: 8 [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-a180721a0e82e3b7/out/build [INFO] [stderr] running: "cmake" "--build" "." "--target" "vw_c_wrapper" "--config" "Debug" "--" [INFO] [stderr] Scanning dependencies of target zlib [INFO] [stderr] Scanning dependencies of target allreduce [INFO] [stderr] [ 1%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/vw_exception.cc.o [INFO] [stderr] [ 3%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/allreduce_sockets.cc.o [INFO] [stderr] [ 3%] Building C object external/zlib/CMakeFiles/zlib.dir/adler32.o [INFO] [stderr] [ 3%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/allreduce_threads.cc.o [INFO] [stderr] [ 5%] Building C object external/zlib/CMakeFiles/zlib.dir/deflate.o [INFO] [stderr] [ 5%] Building C object external/zlib/CMakeFiles/zlib.dir/crc32.o [INFO] [stderr] [ 7%] Building C object external/zlib/CMakeFiles/zlib.dir/compress.o [INFO] [stderr] [ 7%] Building C object external/zlib/CMakeFiles/zlib.dir/gzclose.o [INFO] [stderr] [ 7%] Building C object external/zlib/CMakeFiles/zlib.dir/gzlib.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/gzwrite.o [INFO] [stderr] [ 9%] Building C object external/zlib/CMakeFiles/zlib.dir/inflate.o [INFO] [stderr] [ 11%] Building C object external/zlib/CMakeFiles/zlib.dir/infback.o [INFO] [stderr] [ 11%] Building C object external/zlib/CMakeFiles/zlib.dir/inftrees.o [INFO] [stderr] [ 13%] Building C object external/zlib/CMakeFiles/zlib.dir/inffast.o [INFO] [stderr] [ 13%] Building C object external/zlib/CMakeFiles/zlib.dir/uncompr.o [INFO] [stderr] [ 13%] Building C object external/zlib/CMakeFiles/zlib.dir/trees.o [INFO] [stderr] Scanning dependencies of target Boost_program_options [INFO] [stderr] [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/zutil.o [INFO] [stderr] [ 15%] 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] [ 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/variables_map.cpp.o [INFO] [stderr] [ 19%] Linking C shared library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/out/lib/libz.so [INFO] [stderr] [ 19%] Built target zlib [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] [ 21%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/positional_options.cpp.o [INFO] [stderr] [ 21%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/out/lib/liballreduce.a [INFO] [stderr] [ 21%] Built target allreduce [INFO] [stderr] [ 21%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/utf8_codecvt_facet.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] [ 25%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a180721a0e82e3b7/out/lib/libboost_program_options.a [INFO] [stderr] [ 25%] Built target Boost_program_options [INFO] [stderr] Scanning dependencies of target vw [INFO] [stderr] [ 25%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/accumulate.cc.o [INFO] [stderr] [ 27%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/action_score.cc.o [INFO] [stderr] [ 27%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/active_cover.cc.o [INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/audit_regressor.cc.o [INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/active.cc.o [INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/autolink.cc.o [INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o [INFO] [stderr] [ 31%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o [INFO] [stderr] [ 31%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/bfgs.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/boosting.cc.o [INFO] [stderr] [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/bs.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/cb_adf.cc.o [INFO] [stderr] [ 37%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_algs.cc.o [INFO] [stderr] [ 37%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_bag.cc.o [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 [INFO] [stderr] [ 41%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_softmax.cc.o [INFO] [stderr] [ 41%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_explore.cc.o [INFO] [stderr] [ 43%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb_sample.cc.o [INFO] [stderr] [ 43%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cb.cc.o [INFO] [stderr] [ 45%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/cbify.cc.o [INFO] [stderr] [ 45%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/ccb_label.cc.o [INFO] [stderr] [ 45%] 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/confidence.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 [INFO] [stderr] [ 50%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/ect.cc.o [INFO] [stderr] [ 50%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/example.cc.o [INFO] [stderr] [ 52%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/explore_eval.cc.o [INFO] [stderr] [ 52%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/ftrl.cc.o [INFO] [stderr] [ 54%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/gd_mf.cc.o [INFO] [stderr] [ 54%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/gd.cc.o [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] GIT_SUBMODULE [INFO] [stderr] [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::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::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::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::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::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::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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] 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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::__cxx11::basic_string > >' 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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/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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/best_constant.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/best_constant.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/label_parser.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/multiclass.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/learner.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/label_parser.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/multiclass.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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::__cxx11::basic_string > >' 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/learner.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/label_parser.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/multiclass.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/parser.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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/label_parser.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/multiclass.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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/parser.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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/label_parser.h:3, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/multiclass.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/parser.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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/autolink.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = VW::autolink; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:422:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = VW::autolink; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:97:115: 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 (*)(VW::autolink&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::autolink&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::autolink&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/autolink.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/parser.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/autolink.cc:3: [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/global_data.h:31, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/accumulate.cc:15: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/accumulate.cc:15: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/accumulate.cc:15: [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::__cxx11::basic_string > >' 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/accumulate.cc:15: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/accumulate.cc:15: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/accumulate.cc:15: [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/accumulate.cc:15: [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/accumulate.cc:15: [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/accumulate.cc:15: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/accumulate.cc:15: [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/accumulate.cc:15: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/accumulate.cc:15: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_sensitivity(float (*)(T&, LEARNER::base_learner&, example&)) [with T = baseline; E = example; LEARNER::base_learner = LEARNER::learner]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/baseline.cc:231:32: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:240:36: warning: cast between incompatible function types from 'float (*)(baseline&, LEARNER::base_learner&, example&)' {aka 'float (*)(baseline&, LEARNER::learner&, example&)'} to 'LEARNER::sensitivity_data::fn' {aka 'float (*)(void*, LEARNER::learner&, example&)'} [-Wcast-function-type] [INFO] [stderr] 240 | sensitivity_fd.sensitivity_f = (sensitivity_data::fn)u; [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/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/baseline.cc:9: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/baseline.cc:9: [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::__cxx11::basic_string > >' 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/baseline.cc:9: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/baseline.cc:9: [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/baseline.cc:9: [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/baseline.cc:9: [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/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/baseline.cc:9: [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/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = baseline; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:422:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = baseline; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/baseline.cc:229:107: 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 (*)(baseline&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(baseline&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(baseline&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/baseline.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/baseline.cc:9: [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/active_cover.cc:4: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/active_cover.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/active_cover.cc:4: [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::__cxx11::basic_string > >' 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/active_cover.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/active_cover.cc:4: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/active_cover.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/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/active_cover.cc:4: [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/active_cover.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/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/active_cover.cc:4: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/active_cover.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active_cover.cc:4: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = active_cover; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:412:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = active_cover; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active_cover.cc:279:114: 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 (*)(active_cover&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(active_cover&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(active_cover&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active_cover.cc:4: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/active_cover.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] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_end_examples(void (*)(T&)) [with T = audit_regressor_data; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:276:36: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:295:100: warning: cast between incompatible function types from 'void (*)(audit_regressor_data&)' to 'LEARNER::func_data::fn' {aka 'void (*)(void*)'} [-Wcast-function-type] [INFO] [stderr] 295 | void set_end_examples(void (*f)(T&)) { end_examples_fd = tuple_dbf(learn_fd.data, learn_fd.base, (func_data::fn)f); } [INFO] [stderr] | ^~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = audit_regressor_data; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:277:40: 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&, audit_regressor_data&, example&)' to 'LEARNER::learner::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish(void (*)(T&)) [with T = audit_regressor_data; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:278:24: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:265:90: warning: cast between incompatible function types from 'void (*)(audit_regressor_data&)' to 'LEARNER::learner::finish_fptr_type' {aka 'void (*)(void*)'} [-Wcast-function-type] [INFO] [stderr] 265 | void set_finish(void (*f)(T&)) { finisher_fd = tuple_dbf(learn_fd.data, learn_fd.base, (finish_fptr_type)(f)); } [INFO] [stderr] | ^~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_init_driver(void (*)(T&)) [with T = audit_regressor_data; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:279:34: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:299:91: warning: cast between incompatible function types from 'void (*)(audit_regressor_data&)' to 'LEARNER::func_data::fn' {aka 'void (*)(void*)'} [-Wcast-function-type] [INFO] [stderr] 299 | void set_init_driver(void (*f)(T&)) { init_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/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/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/audit_regressor.cc:7: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/audit_regressor.cc:7: [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::__cxx11::basic_string > >' 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/audit_regressor.cc:7: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/audit_regressor.cc:7: [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/audit_regressor.cc:7: [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/audit_regressor.cc:7: [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/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/audit_regressor.cc:7: [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/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = audit_regressor_data; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:412:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = audit_regressor_data; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:275:110: 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 (*)(audit_regressor_data&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(audit_regressor_data&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(audit_regressor_data&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/audit_regressor.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/audit_regressor.cc:7: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = active; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active.cc:166:48: 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&, active&, example&)' to 'LEARNER::learner::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/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/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/active.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/active.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::__cxx11::basic_string > >' 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/active.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/active.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/active.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/active.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/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/active.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = active; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:422:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = active; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active.cc:161:104: 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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/active.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/active.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/binary.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/binary.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/binary.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::__cxx11::basic_string > >' 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/binary.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/binary.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/binary.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/binary.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/binary.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/binary.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/binary.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/binary.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = char; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:432:37: required from 'LEARNER::learner& LEARNER::init_learner(L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = char; E = example; L = LEARNER::learner]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/binary.cc:41:117: 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 (*)(char&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(char&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(char&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/binary.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/binary.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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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::__cxx11::basic_string > >' 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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cache.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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/cache.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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/cache.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cache.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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/unique_sort.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:7: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cache.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cache.cc:6: [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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc: In function 'int process_pass(vw&, bfgs&)': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:680:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 680 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:680:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 680 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:739:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 739 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:739:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 739 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:791:30: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 791 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:791:30: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 791 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:834:26: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 834 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:834:26: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 834 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:852:24: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 852 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:852:24: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 852 | ftime(&b.t_end_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc: In function 'void save_load(bfgs&, io_buf&, bool, bool)': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1059:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 1059 | ftime(&b.t_start_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [INFO] [stderr] | ^~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1059:28: warning: 'int ftime(timeb*)' is deprecated [-Wdeprecated-declarations] [INFO] [stderr] 1059 | ftime(&b.t_start_global); [INFO] [stderr] | ^ [INFO] [stderr] In file included from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:19: [INFO] [stderr] /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here [INFO] [stderr] 39 | extern int ftime (struct timeb *__timebuf) [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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = bs; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bs.cc:268:38: 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&, bs&, example&)' to 'LEARNER::learner::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:38, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = bfgs; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1168:29: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(bfgs&, 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::set_init_driver(void (*)(T&)) [with T = bfgs; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1169:33: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:299:91: warning: cast between incompatible function types from 'void (*)(bfgs&)' to 'LEARNER::func_data::fn' {aka 'void (*)(void*)'} [-Wcast-function-type] [INFO] [stderr] 299 | void set_init_driver(void (*f)(T&)) { init_fd = tuple_dbf(learn_fd.data, learn_fd.base, (func_data::fn)f); } [INFO] [stderr] | ^~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_end_pass(void (*)(T&)) [with T = bfgs; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1170:27: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:286:92: warning: cast between incompatible function types from 'void (*)(bfgs&)' 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:31, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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::__cxx11::basic_string > >' 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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 /usr/include/c++/9/memory:81, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bs.cc:12: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/bs.cc:14: [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::__cxx11::basic_string > >' 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/bs.cc:12: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/bs.cc:14: [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/bs.cc:14: [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/bs.cc:14: [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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/bs.cc:14: [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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = bs; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:412:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = bs; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bs.cc:267:110: 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/global_data.h:38, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = bfgs; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:384:35: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = bfgs; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:1164:72: 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 (*)(bs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(bs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(bs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(bfgs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(bfgs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(bfgs&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/accumulate.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/bfgs.cc:20: [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/bs.cc:14: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/bs.cc:14: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = boosting; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/boosting.cc:441:31: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(boosting&, 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::set_finish_example(void (*)(vw&, T&, E&)) [with T = boosting; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/boosting.cc:452:39: 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&, boosting&, example&)' to 'LEARNER::learner::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/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/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/boosting.cc:21: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/boosting.cc:23: [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::__cxx11::basic_string > >' 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/boosting.cc:21: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/boosting.cc:23: [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/boosting.cc:23: [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/boosting.cc:23: [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/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/boosting.cc:23: [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/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = boosting; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:412:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = boosting; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/boosting.cc:436:112: 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 (*)(boosting&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(boosting&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(boosting&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/boosting.cc:23: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/boosting.cc:23: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = CB_ADF::cb_adf; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:577:56: 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_ADF::cb_adf&, std::vector&)' to 'LEARNER::learner >::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = CB_ADF::cb_adf; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:581:36: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(CB_ADF::cb_adf&, 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] 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/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_adf.cc:10: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_adf.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::__cxx11::basic_string > >' 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/cb_adf.cc:10: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_adf.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/cb_adf.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/cb_adf.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/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_adf.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:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = CB_ADF::cb_adf; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CB_ADF::cb_adf; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:576:96: 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 (*)(CB_ADF::cb_adf&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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_ADF::cb_adf&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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_ADF::cb_adf&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_adf.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_adf.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/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::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::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/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::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::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::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::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::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/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& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; 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& LEARNER::init_learner(free_ptr&, 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; free_ptr = std::unique_ptr; 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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(CB_ALGS::cb&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/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::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:155:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_bag.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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::__cxx11::basic_string > >' 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/cb_explore_adf_bag.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:153:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_bag.cc:3: [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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:250:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:248:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_cover.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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:108:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:106:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_first.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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:113:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:111:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_greedy.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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:285:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:283:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_regcb.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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.cc:8: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.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::__cxx11::basic_string > >' 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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.cc:8: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb.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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.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/cb.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/example.h:10, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb.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/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.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb.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/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/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:95:62: 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&, VW::cb_explore_adf::cb_explore_adf_base&, std::vector&)' to 'LEARNER::learner, std::vector >::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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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/cb_explore_adf_common.h:16, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_explore_adf::cb_explore_adf_base; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr, void (*)(void*)>; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:93:112: 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_explore_adf::cb_explore_adf_base&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/vw.h:15, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gen_cs_example.h:9, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_common.h:21, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore_adf_common.h:20, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.h:8, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore_adf_softmax.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = CB_EXPLORE::cb_explore; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.cc:331:39: 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_EXPLORE::cb_explore&, example&)' to 'LEARNER::learner::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/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/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_explore.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore.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::__cxx11::basic_string > >' 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/cb_explore.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore.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/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/cb_explore.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.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/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/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_explore.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = CB_EXPLORE::cb_explore; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CB_EXPLORE::cb_explore; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.cc:319:38: 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 (*)(CB_EXPLORE::cb_explore&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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_EXPLORE::cb_explore&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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_EXPLORE::cb_explore&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_explore.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_explore.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/cb_sample.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cb_sample.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_sample.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::__cxx11::basic_string > >' 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/cb_sample.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cb_sample.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_sample.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/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/cb_sample.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_sample.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/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/cb_sample.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cb_sample.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_sample.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = VW::cb_sample_data; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = VW::cb_sample_data; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_sample.cc:115:78: 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 (*)(VW::cb_sample_data&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_sample_data&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(VW::cb_sample_data&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cb_sample.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cb_sample.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = cbify; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:493:48: 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&, cbify&, std::vector&)' to 'LEARNER::learner >::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/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/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cbify.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cbify.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::__cxx11::basic_string > >' 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/cbify.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cbify.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/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/cbify.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.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/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/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cbify.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = cbify; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:454:49: required from 'LEARNER::learner& LEARNER::init_cost_sensitive_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = cbify; E = example; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:437:100: 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 (*)(cbify&, LEARNER::learner >&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner >&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner >&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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::set_finish_example(void (*)(vw&, T&, E&)) [with T = cbify; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:456:3: required from 'LEARNER::learner& LEARNER::init_cost_sensitive_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = cbify; E = example; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:437:100: 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&, cbify&, example&)' to 'LEARNER::learner::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = cbify; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:454:49: required from 'LEARNER::learner& LEARNER::init_cost_sensitive_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = cbify; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:447:92: 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 (*)(cbify&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = cbify; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = cbify; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:491:110: 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 (*)(cbify&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cbify&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cbify.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cbify.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/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/cost_sensitive.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cost_sensitive.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cost_sensitive.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::__cxx11::basic_string > >' 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/cost_sensitive.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cost_sensitive.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cost_sensitive.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/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/cost_sensitive.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/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/cost_sensitive.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/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/cost_sensitive.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cost_sensitive.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/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/cost_sensitive.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cost_sensitive.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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.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::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ccb_label.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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ccb_label.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ccb_label.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/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/classweight.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/classweight.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/classweight.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::__cxx11::basic_string > >' 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/classweight.cc:2: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/classweight.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/classweight.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/classweight.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/classweight.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/classweight.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/classweight.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/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/ccb_label.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/ccb_label.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/classweight.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = CLASSWEIGHTS::classweights; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:422:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = CLASSWEIGHTS::classweights; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/classweight.cc:92:57: 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 (*)(CLASSWEIGHTS::classweights&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(CLASSWEIGHTS::classweights&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(CLASSWEIGHTS::classweights&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/classweight.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/classweight.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = ccb; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:682:48: 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&, ccb&, std::vector&)' to 'LEARNER::learner >::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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.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::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/conditional_contextual_bandit.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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.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/conditional_contextual_bandit.h:7, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/conditional_contextual_bandit.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = ccb; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = ccb; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/conditional_contextual_bandit.cc:678:115: 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/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = confidence; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/confidence.cc:128:49: 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&, confidence&, example&)' to 'LEARNER::learner::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(ccb&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ccb&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ccb&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/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/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/confidence.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/confidence.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::__cxx11::basic_string > >' 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/confidence.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/confidence.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/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/confidence.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/confidence.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/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/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/confidence.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = confidence; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:422:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&)) [with T = confidence; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/confidence.cc:126:108: 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/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/conditional_contextual_bandit.cc:2: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/conditional_contextual_bandit.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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:357:28: warning: cast between incompatible function types from 'void (*)(confidence&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(confidence&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(confidence&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/confidence.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/confidence.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/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/example.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/example.cc:9: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/example.cc:9: [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::__cxx11::basic_string > >' 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/example.cc:9: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/example.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/example.cc:9: [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/example.cc:9: [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/example.cc:9: [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/example.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/example.cc:9: [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/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/example.cc:9: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/example.cc:9: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = cs_active; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cs_active.cc:376:38: 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&, cs_active&, example&)' to 'LEARNER::learner::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/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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/cs_active.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cs_active.cc:3: [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::__cxx11::basic_string > >' 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/cs_active.cc:3: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cs_active.cc:3: [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/cs_active.cc:3: [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/cs_active.cc:3: [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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/cs_active.cc:3: [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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = cs_active; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = cs_active; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cs_active.cc:372:91: 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 (*)(cs_active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, void*)'} [-Wcast-function-type] [INFO] [stderr] 357 | ret.learn_fd.learn_f = (learn_data::fn)learn; [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::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::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:358:29: warning: cast between incompatible function types from 'void (*)(cs_active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(cs_active&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_sensitivity(float (*)(T&, LEARNER::base_learner&, example&)) [with T = ftrl; E = example; LEARNER::base_learner = LEARNER::learner]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ftrl.cc:429:33: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:240:36: warning: cast between incompatible function types from 'float (*)(ftrl&, LEARNER::base_learner&, example&)' {aka 'float (*)(ftrl&, LEARNER::learner&, example&)'} to 'LEARNER::sensitivity_data::fn' {aka 'float (*)(void*, LEARNER::learner&, example&)'} [-Wcast-function-type] [INFO] [stderr] 240 | sensitivity_fd.sensitivity_f = (sensitivity_data::fn)u; [INFO] [stderr] | ^~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_multipredict(void (*)(T&, L&, E&, size_t, size_t, polyprediction*, bool)) [with L = LEARNER::learner; T = ftrl; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ftrl.cc:431:43: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:219:31: warning: cast between incompatible function types from 'void (*)(ftrl&, LEARNER::learner&, example&, size_t, size_t, polyprediction*, bool)' {aka 'void (*)(ftrl&, LEARNER::learner&, example&, long unsigned int, long unsigned int, polyprediction*, bool)'} to 'LEARNER::learn_data::multi_fn' {aka 'void (*)(void*, LEARNER::learner&, void*, long unsigned int, long unsigned int, polyprediction*, bool)'} [-Wcast-function-type] [INFO] [stderr] 219 | learn_fd.multipredict_f = (learn_data::multi_fn)u; [INFO] [stderr] | ^~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = ftrl; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ftrl.cc:434:29: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(ftrl&, 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::set_end_pass(void (*)(T&)) [with T = ftrl; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ftrl.cc:435:27: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:286:92: warning: cast between incompatible function types from 'void (*)(ftrl&)' 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: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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/ftrl.cc:8: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/ftrl.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::__cxx11::basic_string > >' 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/ftrl.cc:8: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ftrl.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/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/ftrl.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/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/ftrl.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/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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ftrl.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/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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = ftrl; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:384:35: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = ftrl; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ftrl.cc:426:92: 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 (*)(ftrl&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ftrl&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ftrl&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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::set_finish_example(void (*)(vw&, T&, E&)) [with T = CSOAA::ldf; E = std::vector]': [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&)' to 'LEARNER::learner >::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::set_end_pass(void (*)(T&)) [with T = CSOAA::ldf; E = std::vector]': [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] 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/ftrl.cc:8: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/ftrl.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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/cs_active.cc:3: [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::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::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::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/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/csoaa.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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: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& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; 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& LEARNER::init_learner(free_ptr&, 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; free_ptr = std::unique_ptr; 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/cs_active.cc:3: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = lq_data; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:110:7: required from 'void v_array::push_back(const T&) [with T = lq_data]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cs_active.cc:231:32: required from 'void predict_or_learn(cs_active&, LEARNER::single_learner&, example&) [with bool is_learn = true; bool is_simulation = true; LEARNER::single_learner = LEARNER::learner]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/cs_active.cc:372:91: 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 type 'struct lq_data' with no trivial copy-assignment [-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/cs_active.cc:20:8: note: 'struct lq_data' declared here [INFO] [stderr] 20 | struct lq_data [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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/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::resize(size_t) [with T = v_hashmap::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::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::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::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/csoaa.cc:10: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = CSOAA::ldf; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = CSOAA::ldf; E = std::vector; L = LEARNER::learner; free_ptr = std::unique_ptr; 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&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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/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::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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] 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] make[3]: *** Waiting for unfinished jobs.... [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/ect.cc:16: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/ect.cc:16: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/ect.cc:16: [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::__cxx11::basic_string > >' 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/ect.cc:16: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/ect.cc:16: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ect.cc:16: [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/ect.cc:16: [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/ect.cc:16: [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/ect.cc:16: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/ect.cc:16: [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/ect.cc:16: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = ect; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:441:49: required from 'LEARNER::learner& LEARNER::init_multiclass_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = ect; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ect.cc:363:107: 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 (*)(ect&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ect&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(ect&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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::set_finish_example(void (*)(vw&, T&, E&)) [with T = ect; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:444:3: required from 'LEARNER::learner& LEARNER::init_multiclass_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), parser*, size_t, prediction_type::prediction_type_t) [with T = ect; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ect.cc:363:107: 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&, ect&, example&)' to 'LEARNER::learner::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/reductions.h:12, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/ect.cc:16: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/ect.cc:16: [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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish_example(void (*)(vw&, T&, E&)) [with T = EXPLORE_EVAL::explore_eval; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.cc:219:48: 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&, EXPLORE_EVAL::explore_eval&, std::vector&)' to 'LEARNER::learner >::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] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_finish(void (*)(T&)) [with T = EXPLORE_EVAL::explore_eval; E = std::vector]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.cc:220:22: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:265:90: warning: cast between incompatible function types from 'void (*)(EXPLORE_EVAL::explore_eval&)' to 'LEARNER::learner >::finish_fptr_type' {aka 'void (*)(void*)'} [-Wcast-function-type] [INFO] [stderr] 265 | void set_finish(void (*f)(T&)) { finisher_fd = tuple_dbf(learn_fd.data, learn_fd.base, (finish_fptr_type)(f)); } [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/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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/explore_eval.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/explore_eval.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::__cxx11::basic_string > >' 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/explore_eval.cc:1: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/explore_eval.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/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/explore_eval.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/reductions.h:11, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.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/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/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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/explore_eval.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/reductions.h:13, [INFO] [stderr] from /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner >; T = EXPLORE_EVAL::explore_eval; E = std::vector; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:372:42: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with T = EXPLORE_EVAL::explore_eval; E = std::vector; L = LEARNER::learner >; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/explore_eval.cc:217:117: 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 (*)(EXPLORE_EVAL::explore_eval&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(EXPLORE_EVAL::explore_eval&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(EXPLORE_EVAL::explore_eval&, LEARNER::learner >&, std::vector&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, void*)'} [-Wcast-function-type] [INFO] [stderr] 359 | ret.learn_fd.predict_f = (learn_data::fn)predict; [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:466: vowpalwabbit/CMakeFiles/vw.dir/cs_active.cc.o] Error 1 [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/explore_eval.cc:1: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/explore_eval.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/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]': [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/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::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::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: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::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::__cxx11::basic_string > >' 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::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::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::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::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: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& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; 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& LEARNER::init_learner(free_ptr&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = gdmf; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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/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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/array_parameters.h: In instantiation of 'void sparse_parameters::set_default(R&) [with R = std::pair; T = GD::set_initial_gd_wrapper]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1004:118: 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&, std::pair&, uint64_t)' {aka 'void (*)(float&, std::pair&, 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/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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_sensitivity(float (*)(T&, LEARNER::base_learner&, example&)) [with T = GD::gd; E = example; LEARNER::base_learner = LEARNER::learner]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1249:40: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:240:36: warning: cast between incompatible function types from 'float (*)(GD::gd&, LEARNER::base_learner&, example&)' {aka 'float (*)(GD::gd&, LEARNER::learner&, example&)'} to 'LEARNER::sensitivity_data::fn' {aka 'float (*)(void*, LEARNER::learner&, example&)'} [-Wcast-function-type] [INFO] [stderr] 240 | sensitivity_fd.sensitivity_f = (sensitivity_data::fn)u; [INFO] [stderr] | ^~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_multipredict(void (*)(T&, L&, E&, size_t, size_t, polyprediction*, bool)) [with L = LEARNER::learner; T = GD::gd; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1250:42: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:219:31: warning: cast between incompatible function types from 'void (*)(GD::gd&, LEARNER::learner&, example&, size_t, size_t, polyprediction*, bool)' {aka 'void (*)(GD::gd&, LEARNER::learner&, example&, long unsigned int, long unsigned int, polyprediction*, bool)'} to 'LEARNER::learn_data::multi_fn' {aka 'void (*)(void*, LEARNER::learner&, void*, long unsigned int, long unsigned int, polyprediction*, bool)'} [-Wcast-function-type] [INFO] [stderr] 219 | learn_fd.multipredict_f = (learn_data::multi_fn)u; [INFO] [stderr] | ^~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_update(void (*)(T&, L&, E&)) [with L = LEARNER::learner; T = GD::gd; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1251:30: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:233:25: warning: cast between incompatible function types from 'void (*)(GD::gd&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, void*)'} [-Wcast-function-type] [INFO] [stderr] 233 | learn_fd.update_f = (learn_data::fn)u; [INFO] [stderr] | ^~~~~~~~~~~~~~~~~ [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'void LEARNER::learner::set_save_load(void (*)(T&, io_buf&, bool, bool)) [with T = GD::gd; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1252:30: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:259:32: warning: cast between incompatible function types from 'void (*)(GD::gd&, 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::set_end_pass(void (*)(T&)) [with T = GD::gd; E = example]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1253:28: required from here [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:286:92: warning: cast between incompatible function types from 'void (*)(GD::gd&)' 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: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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::resize(size_t) [with T = std::shared_ptr, std::__cxx11::basic_string > >; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h:92:7: required from 'void v_array::clear() [with T = std::shared_ptr, std::__cxx11::basic_string > >]' [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::__cxx11::basic_string > >'; 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.cc:28: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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.cc:28: [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::__cxx11::basic_string > >' 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.cc:28: [INFO] [stderr] /usr/include/c++/9/bits/shared_ptr.h:103:11: note: 'class std::shared_ptr, std::__cxx11::basic_string > >' 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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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.cc:28: [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.cc:28: [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.cc:28: [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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/v_array.h: In instantiation of 'void v_array::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::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.cc:28: [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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h: In instantiation of 'static LEARNER::learner& LEARNER::learner::init_learner(T*, L*, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t, prediction_type::prediction_type_t) [with L = LEARNER::learner; T = GD::gd; E = example; size_t = long unsigned int]': [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/learner.h:384:35: required from 'LEARNER::learner& LEARNER::init_learner(free_ptr&, void (*)(T&, L&, E&), void (*)(T&, L&, E&), size_t) [with T = GD::gd; E = example; L = LEARNER::learner; free_ptr = std::unique_ptr; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/gd.cc:1248:115: 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 (*)(GD::gd&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(GD::gd&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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 (*)(GD::gd&, LEARNER::learner&, example&)' to 'LEARNER::learn_data::fn' {aka 'void (*)(void*, LEARNER::learner&, 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.cc:28: [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h: In instantiation of 'void VW::no_lock_object_pool::new_chunk(size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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::no_lock_object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; size_t = long unsigned int]' [INFO] [stderr] /opt/rustwide/workdir/external/vowpal_wabbit/vowpalwabbit/object_pool.h:170:63: required from 'VW::object_pool::object_pool(size_t, TInitializer, size_t) [with T = example; TInitializer = example_initializer; TCleanup = VW::default_cleanup; 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.cc:28: [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 code: 2 [INFO] [stderr] [INFO] [stderr] build script failed, must exit now', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:861:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b89cc14614 - backtrace::backtrace::libunwind::trace::hfcd33194db0151d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55b89cc14614 - backtrace::backtrace::trace_unsynchronized::hfd1904bbbd5335b5 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b89cc14614 - std::sys_common::backtrace::_print_fmt::h8476c57b177b254e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b89cc14614 - ::fmt::h73acbc5f6d4b1044 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b89cc3ff4c - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55b89cc108d3 - std::io::Write::write_fmt::h5722fa40bb2afafd [INFO] [stderr] at src/libstd/io/mod.rs:1532 [INFO] [stderr] 6: 0x55b89cc17455 - std::sys_common::backtrace::_print::ha468e873aada7c78 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b89cc17455 - std::sys_common::backtrace::print::h149365a2f029de62 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b89cc17455 - std::panicking::default_hook::{{closure}}::hb4a33f9e05934a52 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55b89cc17192 - std::panicking::default_hook::hc4535d7b0c743abd [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55b89cc17ab2 - std::panicking::rust_panic_with_hook::haa34a96a6dbd5a2e [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55b89cc1769b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:385 [INFO] [stderr] 12: 0x55b89cc1760b - std::panicking::begin_panic_fmt::h4623165abc0f2e64 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 13: 0x55b89c5ffc27 - cmake::fail::h7bd293347d1d625b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:861 [INFO] [stderr] 14: 0x55b89c5ff56c - cmake::run::hc348c2cd9328ef61 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:839 [INFO] [stderr] 15: 0x55b89c5fbcc6 - cmake::Config::build::h67845c2d25234cf6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:745 [INFO] [stderr] 16: 0x55b89c5f55c9 - build_script_build::main::h6dc07bc91c24f3fe [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15 [INFO] [stderr] 17: 0x55b89c5f811b - std::rt::lang_start::{{closure}}::ha19203ba5378aa25 [INFO] [stderr] at /rustc/bd0bacc694d7d8175804bb6f690cb846bfa4a9ee/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x55b89cc17ef8 - std::rt::lang_start_internal::{{closure}}::h8ee41efd8ae7ff76 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x55b89cc17ef8 - std::panicking::try::do_call::h0a4c4514ee6ebbfc [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 20: 0x55b89cc17ef8 - std::panicking::try::h7c2f3858e42d7516 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x55b89cc17ef8 - std::panic::catch_unwind::h76c4030fa5655c1e [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55b89cc17ef8 - std::rt::lang_start_internal::h1c1398259f72ace6 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x55b89c5f80f7 - std::rt::lang_start::he5f397a056239407 [INFO] [stderr] at /rustc/bd0bacc694d7d8175804bb6f690cb846bfa4a9ee/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x55b89c5f61ca - main [INFO] [stderr] 25: 0x7f693f5270b3 - __libc_start_main [INFO] [stderr] 26: 0x55b89c5f51ae - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "239c08fc97966e22f4d7dd6ebda1783d36bc78d63afdd6383d3fbe18967bff6f"` [INFO] running `"docker" "rm" "-f" "239c08fc97966e22f4d7dd6ebda1783d36bc78d63afdd6383d3fbe18967bff6f"` [INFO] [stdout] 239c08fc97966e22f4d7dd6ebda1783d36bc78d63afdd6383d3fbe18967bff6f