2019-10-12T18:49:16 Created temporary directory: /tmp/pip-ephem-wheel-cache-lq112df9
2019-10-12T18:49:16 Created temporary directory: /tmp/pip-req-tracker-7p1m1s63
2019-10-12T18:49:16 Created requirements tracker '/tmp/pip-req-tracker-7p1m1s63'
2019-10-12T18:49:16 Created temporary directory: /tmp/pip-wheel-ch6mod6p
2019-10-12T18:49:16 Collecting python-libsnark==0.3.1
2019-10-12T18:49:16   1 location(s) to search for versions of python-libsnark:
2019-10-12T18:49:16   * https://pypi.org/simple/python-libsnark/
2019-10-12T18:49:16   Getting page https://pypi.org/simple/python-libsnark/
2019-10-12T18:49:16   Analyzing links from page https://pypi.org/simple/python-libsnark/
2019-10-12T18:49:16     Found link https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz#sha256=2bdfd856ff5ade8fd330c66efebe82fa77cb69b54d07fc6209f449ab49d5d914 (from https://pypi.org/simple/python-libsnark/), version: 0.3.1
2019-10-12T18:49:16     Skipping link https://files.pythonhosted.org/packages/8f/bf/d7c29ca49d9e5f91237591fc103a43f4fa4e6514a905779a5c90d89867a9/python_libsnark-0.3.1-cp37-cp37m-macosx_10_14_x86_64.whl#sha256=320a1b4efd8d0ecd174ce81421bb81813b61590c2c5d57a6a88011344b01da0e (from https://pypi.org/simple/python-libsnark/); it is not compatible with this Python
2019-10-12T18:49:16   Using version 0.3.1 (newest of versions: 0.3.1)
2019-10-12T18:49:16   Created temporary directory: /tmp/pip-unpack-bhw9i4c8
2019-10-12T18:49:16   Downloading https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz (46kB)
2019-10-12T18:49:16   Downloading from URL https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz#sha256=2bdfd856ff5ade8fd330c66efebe82fa77cb69b54d07fc6209f449ab49d5d914 (from https://pypi.org/simple/python-libsnark/)
2019-10-12T18:49:17   Added python-libsnark==0.3.1 from https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz#sha256=2bdfd856ff5ade8fd330c66efebe82fa77cb69b54d07fc6209f449ab49d5d914 to build tracker '/tmp/pip-req-tracker-7p1m1s63'
2019-10-12T18:49:17     Running setup.py (path:/tmp/pip-wheel-ch6mod6p/python-libsnark/setup.py) egg_info for package python-libsnark
2019-10-12T18:49:17     Running command python setup.py egg_info
2019-10-12T18:49:18     * To update the wrapper, use swig -python -c++ -o alt_bn128_wrap.cpp libsnark.i
2019-10-12T18:49:18     running egg_info
2019-10-12T18:49:18     creating pip-egg-info/python_libsnark.egg-info
2019-10-12T18:49:18     writing pip-egg-info/python_libsnark.egg-info/PKG-INFO
2019-10-12T18:49:18     writing dependency_links to pip-egg-info/python_libsnark.egg-info/dependency_links.txt
2019-10-12T18:49:18     writing top-level names to pip-egg-info/python_libsnark.egg-info/top_level.txt
2019-10-12T18:49:18     writing manifest file 'pip-egg-info/python_libsnark.egg-info/SOURCES.txt'
2019-10-12T18:49:19     reading manifest file 'pip-egg-info/python_libsnark.egg-info/SOURCES.txt'
2019-10-12T18:49:19     writing manifest file 'pip-egg-info/python_libsnark.egg-info/SOURCES.txt'
2019-10-12T18:49:19   Source in /tmp/pip-wheel-ch6mod6p/python-libsnark has version 0.3.1, which satisfies requirement python-libsnark==0.3.1 from https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz#sha256=2bdfd856ff5ade8fd330c66efebe82fa77cb69b54d07fc6209f449ab49d5d914
2019-10-12T18:49:19   Removed python-libsnark==0.3.1 from https://files.pythonhosted.org/packages/70/ab/adb4bdf1340101ad458be9eb97b350665afac5ecd77cce823c6cbef213f6/python-libsnark-0.3.1.tar.gz#sha256=2bdfd856ff5ade8fd330c66efebe82fa77cb69b54d07fc6209f449ab49d5d914 from build tracker '/tmp/pip-req-tracker-7p1m1s63'
2019-10-12T18:49:19 Building wheels for collected packages: python-libsnark
2019-10-12T18:49:19   Created temporary directory: /tmp/pip-wheel-qvoti2aj
2019-10-12T18:49:19   Building wheel for python-libsnark (setup.py): started
2019-10-12T18:49:19   Destination directory: /tmp/pip-wheel-qvoti2aj
2019-10-12T18:49:19   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-ch6mod6p/python-libsnark/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-qvoti2aj
2019-10-12T18:49:20   * To update the wrapper, use swig -python -c++ -o alt_bn128_wrap.cpp libsnark.i
2019-10-12T18:49:20   running bdist_wheel
2019-10-12T18:49:20   running build
2019-10-12T18:49:20   running build_py
2019-10-12T18:49:20   creating build
2019-10-12T18:49:20   creating build/lib.linux-armv7l-3.7
2019-10-12T18:49:20   creating build/lib.linux-armv7l-3.7/libsnark
2019-10-12T18:49:20   copying ./alt_bn128.py -> build/lib.linux-armv7l-3.7/libsnark
2019-10-12T18:49:20   copying ./__init__.py -> build/lib.linux-armv7l-3.7/libsnark
2019-10-12T18:49:20   copying ./setup.py -> build/lib.linux-armv7l-3.7/libsnark
2019-10-12T18:49:20   running build_ext
2019-10-12T18:49:21   building 'libsnark._alt_bn128' extension
2019-10-12T18:49:21   creating build/temp.linux-armv7l-3.7
2019-10-12T18:49:21   arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.7m -c alt_bn128_wrap.cpp -o build/temp.linux-armv7l-3.7/alt_bn128_wrap.o -std=c++11 -Wno-sign-compare -Wno-delete-non-virtual-dtor -Wno-unused-variable -DCURVE_ALT_BN128 -DBINARY_OUTPUT -DBN_SUPPORT_SNARK=1 -DMONTGOMERY_OUTPUT -DNO_PROCPS
2019-10-12T18:49:21   alt_bn128_wrap.cpp:2790:10: fatal error: libff/algebra/curves/alt_bn128/alt_bn128_pp.hpp: No such file or directory
2019-10-12T18:49:21    #include <libff/algebra/curves/alt_bn128/alt_bn128_pp.hpp>
2019-10-12T18:49:21             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2019-10-12T18:49:21   compilation terminated.
2019-10-12T18:49:21   error: command 'arm-linux-gnueabihf-gcc' failed with exit status 1
2019-10-12T18:49:21   Building wheel for python-libsnark (setup.py): finished with status 'error'
2019-10-12T18:49:21   ERROR: Failed building wheel for python-libsnark
2019-10-12T18:49:21   Running setup.py clean for python-libsnark
2019-10-12T18:49:21   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-ch6mod6p/python-libsnark/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' clean --all
2019-10-12T18:49:23   * To update the wrapper, use swig -python -c++ -o alt_bn128_wrap.cpp libsnark.i
2019-10-12T18:49:23   running clean
2019-10-12T18:49:23   removing 'build/temp.linux-armv7l-3.7' (and everything under it)
2019-10-12T18:49:23   removing 'build/lib.linux-armv7l-3.7' (and everything under it)
2019-10-12T18:49:23   'build/bdist.linux-armv7l' does not exist -- can't clean it
2019-10-12T18:49:23   'build/scripts-3.7' does not exist -- can't clean it
2019-10-12T18:49:23   removing 'build'
2019-10-12T18:49:23 Failed to build python-libsnark
2019-10-12T18:49:23 Cleaning up...
2019-10-12T18:49:23   Removing source in /tmp/pip-wheel-ch6mod6p/python-libsnark
2019-10-12T18:49:23 Removed build tracker '/tmp/pip-req-tracker-7p1m1s63'
2019-10-12T18:49:23 ERROR: Failed to build one or more wheels
2019-10-12T18:49:23 Exception information:
2019-10-12T18:49:23 Traceback (most recent call last):
2019-10-12T18:49:23   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-10-12T18:49:23     status = self.run(options, args)
2019-10-12T18:49:23   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 178, in run
2019-10-12T18:49:23     "Failed to build one or more wheels"
2019-10-12T18:49:23 pip._internal.exceptions.CommandError: Failed to build one or more wheels