[INFO] updating cached repository emilio/nn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emilio/nn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emilio/nn" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emilio/nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emilio/nn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emilio/nn" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emilio/nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emilio/nn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8cda885b450db2983bd4b503ff00a19cba5dce0
[INFO] sha for GitHub repo emilio/nn: e8cda885b450db2983bd4b503ff00a19cba5dce0
[INFO] validating manifest of emilio/nn on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emilio/nn on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emilio/nn
[INFO] finished frobbing emilio/nn
[INFO] frobbed toml for emilio/nn written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emilio/nn/Cargo.toml
[INFO] started frobbing emilio/nn
[INFO] finished frobbing emilio/nn
[INFO] frobbed toml for emilio/nn written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emilio/nn/Cargo.toml
[INFO] crate emilio/nn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emilio/nn against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emilio/nn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 58026637bf614200bf5b4ed42bda6588a117740e9619f4b28847844ce2c67a78
[INFO] running `"docker" "start" "-a" "58026637bf614200bf5b4ed42bda6588a117740e9619f4b28847844ce2c67a78"`
[INFO] [stderr]    Compiling cmake v0.1.24
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]    Compiling neural-networks-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `neural-networks-practice v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/neural-networks-practice-4f17884635eaff6d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] running: "cmake" "/opt/crater/workdir/gui" "-DCMAKE_INSTALL_PREFIX=/opt/crater/target/debug/build/neural-networks-practice-3307b9bc7ca47203/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] -- The CXX compiler identification is GNU 6.3.0
[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] -- Configuring done
[INFO] [stderr] -- Generating done
[INFO] [stderr] -- Build files have been written to: /opt/crater/target/debug/build/neural-networks-practice-3307b9bc7ca47203/out/build
[INFO] [stderr] running: "cmake" "--build" "." "--target" "install" "--config" "Debug" "--" "-j8"
[INFO] [stderr] Scanning dependencies of target neural-networks-gui_automoc
[INFO] [stderr] [  9%] Automatic moc for target neural-networks-gui
[INFO] [stderr] Scanning dependencies of target test_automoc
[INFO] [stderr] [ 18%] Automatic moc for target test
[INFO] [stderr] Generating moc compilation test_automoc.cpp
[INFO] [stderr] [ 18%] Built target test_automoc
[INFO] [stderr] Generating moc source neural-networks-gui_automoc.dir/moc_MainWindow_4RLLSDHUDSL3O2.cpp
[INFO] [stderr] Generating moc compilation neural-networks-gui_automoc.cpp
[INFO] [stderr] [ 18%] Built target neural-networks-gui_automoc
[INFO] [stderr] Scanning dependencies of target neural-networks-gui
[INFO] [stderr] [ 27%] Building CXX object CMakeFiles/neural-networks-gui.dir/src/MainWindow.cc.o
[INFO] [stderr] [ 36%] Building CXX object CMakeFiles/neural-networks-gui.dir/neural-networks-gui_automoc.cpp.o
[INFO] [stderr] [ 45%] Building CXX object CMakeFiles/neural-networks-gui.dir/src/NeuralNetworkInputWidget.cc.o
[INFO] [stderr] [ 54%] Building CXX object CMakeFiles/neural-networks-gui.dir/src/main.cc.o
[INFO] [stderr] [ 63%] Building CXX object CMakeFiles/neural-networks-gui.dir/src/NeuralNetworkState.cc.o
[INFO] [stderr] CMakeFiles/neural-networks-gui.dir/build.make:110: recipe for target 'CMakeFiles/neural-networks-gui.dir/src/NeuralNetworkInputWidget.cc.o' failed
[INFO] [stderr] CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/neural-networks-gui.dir/all' failed
[INFO] [stderr] Makefile:127: recipe for target 'all' failed
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] CMake Warning (dev) at CMakeLists.txt:26 (add_executable):
[INFO] [stderr]   Policy CMP0037 is not set: Target names should not be reserved and should
[INFO] [stderr]   match a validity pattern.  Run "cmake --help-policy CMP0037" for policy
[INFO] [stderr]   details.  Use the cmake_policy command to set the policy and suppress this
[INFO] [stderr]   warning.
[INFO] [stderr] 
[INFO] [stderr]   The target name "test" is reserved or not valid for certain CMake features,
[INFO] [stderr]   such as generator expressions, and may result in undefined behavior.
[INFO] [stderr] This warning is for project developers.  Use -Wno-dev to suppress it.
[INFO] [stderr] 
[INFO] [stderr] CMake Warning:
[INFO] [stderr]   Manually-specified variables were not used by the project:
[INFO] [stderr] 
[INFO] [stderr]     CMAKE_C_COMPILER
[INFO] [stderr]     CMAKE_C_FLAGS
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc: In member function 'virtual void NeuralNetworkInputWidget::paintEvent(QPaintEvent*)':
[INFO] [stderr] /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:47:39: error: 'begin' was not declared in this scope
[INFO] [stderr]    for (const auto& region : e->region()) {
[INFO] [stderr]                                        ^
[INFO] [stderr] /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:47:39: note: suggested alternative:
[INFO] [stderr] In file included from /usr/include/c++/6/string:51:0,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qbytearray.h:52,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:49,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:47,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/qwidget.h:44,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QWidget:1,
[INFO] [stderr]                  from /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.h:3,
[INFO] [stderr]                  from /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:1:
[INFO] [stderr] /usr/include/c++/6/bits/range_access.h:105:37: note:   'std::begin'
[INFO] [stderr]    template<typename _Tp> const _Tp* begin(const valarray<_Tp>&);
[INFO] [stderr]                                      ^~~~~
[INFO] [stderr] /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:47:39: error: 'end' was not declared in this scope
[INFO] [stderr]    for (const auto& region : e->region()) {
[INFO] [stderr]                                        ^
[INFO] [stderr] /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:47:39: note: suggested alternative:
[INFO] [stderr] In file included from /usr/include/c++/6/string:51:0,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qbytearray.h:52,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:49,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:47,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/qwidget.h:44,
[INFO] [stderr]                  from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QWidget:1,
[INFO] [stderr]                  from /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.h:3,
[INFO] [stderr]                  from /opt/crater/workdir/gui/src/NeuralNetworkInputWidget.cc:1:
[INFO] [stderr] /usr/include/c++/6/bits/range_access.h:107:37: note:   'std::end'
[INFO] [stderr]    template<typename _Tp> const _Tp* end(const valarray<_Tp>&);
[INFO] [stderr]                                      ^~~
[INFO] [stderr] make[2]: *** [CMakeFiles/neural-networks-gui.dir/src/NeuralNetworkInputWidget.cc.o] Error 1
[INFO] [stderr] make[2]: *** Waiting for unfinished jobs....
[INFO] [stderr] make[1]: *** [CMakeFiles/neural-networks-gui.dir/all] Error 2
[INFO] [stderr] make: *** [all] 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.24/src/lib.rs:593:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5648fa81b28b - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5648fa81b28b - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5648fa81b28b - std::sys_common::backtrace::_print::h6bdd5779472ab8c6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5648fa81b28b - std::sys_common::backtrace::print::h535418cbcfd3b064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5648fa81b28b - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5648fa81af66 - std::panicking::default_hook::h39b428958abf2606
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5648fa81b94d - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5648fa81b4d2 - std::panicking::continue_panic_fmt::h499883e21d98c9ea
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5648fa81b41f - std::panicking::begin_panic_fmt::hc0aeb5432668577f
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x5648fa7cc5c6 - cmake::fail::h1a587af9b035e4c2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.24/src/lib.rs:593
[INFO] [stderr]   10:     0x5648fa7cbf4a - cmake::run::h73655cac81f2847c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.24/src/lib.rs:574
[INFO] [stderr]   11:     0x5648fa7c9424 - cmake::Config::build::h656dc35fb8a931b1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.24/src/lib.rs:481
[INFO] [stderr]   12:     0x5648fa7c5e15 - cmake::build::h7992a4b7d64f3043
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.24/src/lib.rs:92
[INFO] [stderr]   13:     0x5648fa7c6a10 - build_script_build::main::h222f4394d674c791
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   14:     0x5648fa7c5d70 - std::rt::lang_start::{{closure}}::h54b7ab270c38f958
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x5648fa81b3a3 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x5648fa81b3a3 - std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x5648fa8226fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x5648fa81be5d - std::panicking::try::hf851d9cd2a46569f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x5648fa81be5d - std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x5648fa81be5d - std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x5648fa7c5d49 - std::rt::lang_start::h88129c69bd4e5453
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x5648fa7c6c8a - main
[INFO] [stderr]   23:     0x7ff0286f02e1 - __libc_start_main
[INFO] [stderr]   24:     0x5648fa7c5b9a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "58026637bf614200bf5b4ed42bda6588a117740e9619f4b28847844ce2c67a78"`
[INFO] running `"docker" "rm" "-f" "58026637bf614200bf5b4ed42bda6588a117740e9619f4b28847844ce2c67a78"`
[INFO] [stdout] 58026637bf614200bf5b4ed42bda6588a117740e9619f4b28847844ce2c67a78