[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#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vowpalwabbit-sys 8.8.1+vw-v8.8.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] eb06ef618732b1b4a85fc30a193e96a2bcdfd04919f19481b9a2bc7e9f96a107
[INFO] running `"docker" "start" "-a" "eb06ef618732b1b4a85fc30a193e96a2bcdfd04919f19481b9a2bc7e9f96a107"`
[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-82086d7cac1fceba/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-a80931f5ea155ad9/out/lib" "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/out/lib" "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/out/bin" "-DCMAKE_INSTALL_PREFIX=/opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/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 7.5.0
[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: 16
[INFO] [stderr] -- Looking for C++ include pthread.h
[INFO] [stderr] -- Looking for C++ include pthread.h - found
[INFO] [stderr] -- Looking for pthread_create
[INFO] [stderr] -- Looking for pthread_create - not found
[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 7.5.0
[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-a80931f5ea155ad9/out/build
[INFO] [stderr] running: "cmake" "--build" "." "--target" "vw_c_wrapper" "--config" "Debug" "--"
[INFO] [stderr] Scanning dependencies of target allreduce
[INFO] [stderr] Scanning dependencies of target zlib
[INFO] [stderr] [  0%] Building CXX object vowpalwabbit/CMakeFiles/allreduce.dir/allreduce_threads.cc.o
[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] [  5%] Building C object external/zlib/CMakeFiles/zlib.dir/deflate.o
[INFO] [stderr] [  5%] Building C object external/zlib/CMakeFiles/zlib.dir/gzlib.o
[INFO] [stderr] [  5%] Building C object external/zlib/CMakeFiles/zlib.dir/crc32.o
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[INFO] [stderr] [  9%] Building C object external/zlib/CMakeFiles/zlib.dir/gzread.o
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[INFO] [stderr] [ 11%] Building C object external/zlib/CMakeFiles/zlib.dir/inftrees.o
[INFO] [stderr] [ 11%] Building C object external/zlib/CMakeFiles/zlib.dir/inflate.o
[INFO] [stderr] [ 13%] Building C object external/zlib/CMakeFiles/zlib.dir/compress.o
[INFO] [stderr] [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/zutil.o
[INFO] [stderr] [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/uncompr.o
[INFO] [stderr] [ 15%] Building C object external/zlib/CMakeFiles/zlib.dir/trees.o
[INFO] [stderr] [ 15%] Linking C shared library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/out/lib/libz.so
[INFO] [stderr] [ 15%] Built target zlib
[INFO] [stderr] Scanning dependencies of target Boost_program_options
[INFO] [stderr] [ 15%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/variables_map.cpp.o
[INFO] [stderr] [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/positional_options.cpp.o
[INFO] [stderr] [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/utf8_codecvt_facet.cpp.o
[INFO] [stderr] [ 17%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/cmdline.cpp.o
[INFO] [stderr] [ 19%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/convert.cpp.o
[INFO] [stderr] [ 19%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/split.cpp.o
[INFO] [stderr] [ 21%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/config_file.cpp.o
[INFO] [stderr] [ 21%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/options_description.cpp.o
[INFO] [stderr] [ 21%] 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/winmain.cpp.o
[INFO] [stderr] [ 23%] Building CXX object external/boost-cmake/CMakeFiles/Boost_program_options.dir/__/boost/libs/program_options/src/parsers.cpp.o
[INFO] [stderr] [ 23%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/out/lib/liballreduce.a
[INFO] [stderr] [ 23%] Built target allreduce
[INFO] [stderr] [ 25%] Linking CXX static library /opt/rustwide/target/debug/build/vowpalwabbit-sys-a80931f5ea155ad9/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/active.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/autolink.cc.o
[INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o
[INFO] [stderr] [ 29%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/bfgs.cc.o
[INFO] [stderr] [ 31%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/binary.cc.o
[INFO] [stderr] [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o
[INFO] [stderr] [ 33%] Building CXX object vowpalwabbit/CMakeFiles/vw.dir/boosting.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/bs.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_adf.cc.o
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:230: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:86: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/action_score.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:350: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/cache.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:62: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/accumulate.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:182: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/autolink.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:134: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/active.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:254: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/bfgs.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:206: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:302: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/boosting.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:326: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/bs.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:278: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/binary.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:374: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/cb_adf.cc.o' failed
[INFO] [stderr] vowpalwabbit/CMakeFiles/vw.dir/build.make:422: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_bag.cc.o' failed
[INFO] [stderr] CMakeFiles/Makefile2:555: recipe for target 'vowpalwabbit/CMakeFiles/vw.dir/all' failed
[INFO] [stderr] CMakeFiles/Makefile2:721: recipe for target 'vowpalwabbit/CMakeFiles/vw_c_wrapper.dir/rule' failed
[INFO] [stderr] Makefile:346: recipe for target 'vw_c_wrapper' failed
[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] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/best_constant.cc.o] Error 4
[INFO] [stderr] make[3]: *** Waiting for unfinished jobs....
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/action_score.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/cache.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/accumulate.cc.o] Error 4
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/autolink.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/active.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/bfgs.cc.o] Error 4
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/baseline.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/boosting.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/bs.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/binary.cc.o] Error 4
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/cb_adf.cc.o] Error 4
[INFO] [stderr] c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make[3]: *** [vowpalwabbit/CMakeFiles/vw.dir/cb_explore_adf_bag.cc.o] Error 4
[INFO] [stderr] make[2]: *** [vowpalwabbit/CMakeFiles/vw.dir/all] Error 2
[INFO] [stderr] make[1]: *** [vowpalwabbit/CMakeFiles/vw_c_wrapper.dir/rule] Error 2
[INFO] [stderr] make: *** [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:     0x562a26919084 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x562a26919084 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562a26919084 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x562a26919084 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x562a26944e9c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x562a26915373 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x562a2691bec5 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x562a2691bec5 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x562a2691bec5 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x562a2691bc02 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x562a2691c522 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x562a2691c10b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x562a2691c07b - std::panicking::begin_panic_fmt::h58dd034954c7216c
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x562a262f3a27 - cmake::fail::hdb13a4b917684397
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:861
[INFO] [stderr]   14:     0x562a262f336c - cmake::run::hb0a44602bcbba88a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:839
[INFO] [stderr]   15:     0x562a262efabb - cmake::Config::build::h5d89e49edb52f331
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.42/src/lib.rs:745
[INFO] [stderr]   16:     0x562a262e9429 - build_script_build::main::h5ad2cb8b43c9a449
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:15
[INFO] [stderr]   17:     0x562a262ebf6b - std::rt::lang_start::{{closure}}::hf47ec6ab5a392576
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x562a2691c968 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x562a2691c968 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   20:     0x562a2691c968 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x562a2691c968 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x562a2691c968 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x562a262ebf47 - std::rt::lang_start::h990b0affd7cefbf0
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x562a262ea02a - main
[INFO] [stderr]   25:     0x7fb2737d0b97 - __libc_start_main
[INFO] [stderr]   26:     0x562a262e8fea - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "eb06ef618732b1b4a85fc30a193e96a2bcdfd04919f19481b9a2bc7e9f96a107"`
[INFO] running `"docker" "rm" "-f" "eb06ef618732b1b4a85fc30a193e96a2bcdfd04919f19481b9a2bc7e9f96a107"`
[INFO] [stdout] eb06ef618732b1b4a85fc30a193e96a2bcdfd04919f19481b9a2bc7e9f96a107
