Installing Viper: error with make

Installing Viper: error with make

james@james-Streacom:~$ virtualenv -p python3.6 --no-site-packages ~/viper-venv
Running virtualenv with interpreter /usr/bin/python3.6
Using base prefix '/usr'
New python executable in /home/james/viper-venv/bin/python3.6
Also creating executable in /home/james/viper-venv/bin/python
Installing setuptools, pkg_resources, pip, wheel...done.
james@james-Streacom:~$ source ~/viper-venv/bin/activate
(viper-venv) james@james-Streacom:~$ git clone https://github.com/ethereum/viper.git
Cloning into 'viper'...
remote: Counting objects: 3824, done.
remote: Compressing objects: 100% (127/127), done.
remote: Total 3824 (delta 46), reused 75 (delta 34), pack-reused 3659
Receiving objects: 100% (3824/3824), 1.02 MiB | 514.00 KiB/s, done.
Resolving deltas: 100% (2497/2497), done.
(viper-venv) james@james-Streacom:~$ cd viper
(viper-venv) james@james-Streacom:~/viper$ make
python setup.py install
running install
running bdist_egg
running egg_info
creating viper.egg-info
writing viper.egg-info/PKG-INFO
writing dependency_links to viper.egg-info/dependency_links.txt
writing requirements to viper.egg-info/requires.txt
writing top-level names to viper.egg-info/top_level.txt
writing manifest file 'viper.egg-info/SOURCES.txt'
reading manifest file 'viper.egg-info/SOURCES.txt'
writing manifest file 'viper.egg-info/SOURCES.txt'
installing library code to build/bdist.linux-x86_64/egg
running install_lib
running build_py
creating build
creating build/lib
creating build/lib/viper
copying viper/premade_contracts.py -> build/lib/viper
copying viper/compiler.py -> build/lib/viper
copying viper/functions.py -> build/lib/viper
copying viper/utils.py -> build/lib/viper
copying viper/types.py -> build/lib/viper
copying viper/opcodes.py -> build/lib/viper
copying viper/compile_lll.py -> build/lib/viper
copying viper/exceptions.py -> build/lib/viper
copying viper/server.py -> build/lib/viper
copying viper/function_signature.py -> build/lib/viper
copying viper/__init__.py -> build/lib/viper
copying viper/optimizer.py -> build/lib/viper
creating build/lib/viper/signatures
copying viper/signatures/__init__.py -> build/lib/viper/signatures
copying viper/signatures/event_signature.py -> build/lib/viper/signatures
creating build/lib/viper/parser
copying viper/parser/parser.py -> build/lib/viper/parser
copying viper/parser/expr.py -> build/lib/viper/parser
copying viper/parser/parser_utils.py -> build/lib/viper/parser
copying viper/parser/stmt.py -> build/lib/viper/parser
copying viper/parser/__init__.py -> build/lib/viper/parser
creating build/bdist.linux-x86_64
creating build/bdist.linux-x86_64/egg
creating build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/premade_contracts.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/compiler.py -> build/bdist.linux-x86_64/egg/viper
creating build/bdist.linux-x86_64/egg/viper/signatures
copying build/lib/viper/signatures/__init__.py -> build/bdist.linux-x86_64/egg/viper/signatures
copying build/lib/viper/signatures/event_signature.py -> build/bdist.linux-x86_64/egg/viper/signatures
creating build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/parser/parser.py -> build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/parser/expr.py -> build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/parser/parser_utils.py -> build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/parser/stmt.py -> build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/parser/__init__.py -> build/bdist.linux-x86_64/egg/viper/parser
copying build/lib/viper/functions.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/utils.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/types.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/opcodes.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/compile_lll.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/exceptions.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/server.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/function_signature.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/__init__.py -> build/bdist.linux-x86_64/egg/viper
copying build/lib/viper/optimizer.py -> build/bdist.linux-x86_64/egg/viper
byte-compiling build/bdist.linux-x86_64/egg/viper/premade_contracts.py to premade_contracts.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/compiler.py to compiler.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/signatures/__init__.py to __init__.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/signatures/event_signature.py to event_signature.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/parser/parser.py to parser.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/parser/expr.py to expr.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/parser/parser_utils.py to parser_utils.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/parser/stmt.py to stmt.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/parser/__init__.py to __init__.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/functions.py to functions.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/utils.py to utils.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/types.py to types.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/opcodes.py to opcodes.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/compile_lll.py to compile_lll.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/exceptions.py to exceptions.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/server.py to server.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/function_signature.py to function_signature.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/__init__.py to __init__.cpython-36.pyc
byte-compiling build/bdist.linux-x86_64/egg/viper/optimizer.py to optimizer.cpython-36.pyc
creating build/bdist.linux-x86_64/egg/EGG-INFO
installing scripts to build/bdist.linux-x86_64/egg/EGG-INFO/scripts
running install_scripts
running build_scripts
creating build/scripts-3.6
copying and adjusting bin/viper -> build/scripts-3.6
copying and adjusting bin/viper-serve -> build/scripts-3.6
changing mode of build/scripts-3.6/viper from 644 to 755
changing mode of build/scripts-3.6/viper-serve from 644 to 755
creating build/bdist.linux-x86_64/egg/EGG-INFO/scripts
copying build/scripts-3.6/viper-serve -> build/bdist.linux-x86_64/egg/EGG-INFO/scripts
copying build/scripts-3.6/viper -> build/bdist.linux-x86_64/egg/EGG-INFO/scripts
changing mode of build/bdist.linux-x86_64/egg/EGG-INFO/scripts/viper-serve to 755
changing mode of build/bdist.linux-x86_64/egg/EGG-INFO/scripts/viper to 755
copying viper.egg-info/PKG-INFO -> build/bdist.linux-x86_64/egg/EGG-INFO
copying viper.egg-info/SOURCES.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
copying viper.egg-info/dependency_links.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
copying viper.egg-info/requires.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
copying viper.egg-info/top_level.txt -> build/bdist.linux-x86_64/egg/EGG-INFO
zip_safe flag not set; analyzing archive contents...
creating dist
creating 'dist/viper-0.0.2-py3.6.egg' and adding 'build/bdist.linux-x86_64/egg' to it
removing 'build/bdist.linux-x86_64/egg' (and everything under it)
Processing viper-0.0.2-py3.6.egg
Copying viper-0.0.2-py3.6.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding viper 0.0.2 to easy-install.pth file
Installing viper script to /home/james/viper-venv/bin
Installing viper-serve script to /home/james/viper-venv/bin

Installed /home/james/viper-venv/lib/python3.6/site-packages/viper-0.0.2-py3.6.egg
Processing dependencies for viper==0.0.2
Searching for pytest-runner
Reading https://pypi.python.org/simple/pytest-runner/
Downloading https://pypi.python.org/packages/d1/8a/5f1385bba05d887662835d1230fb9a362c5c03f4f744a4fe0455d9474cf3/pytest_runner-3.0-py2.py3-none-any.whl#md5=25076b14ff1877c02434953044f4f2a8
Best match: pytest-runner 3.0
Processing pytest_runner-3.0-py2.py3-none-any.whl
Installing pytest_runner-3.0-py2.py3-none-any.whl to /home/james/viper-venv/lib/python3.6/site-packages
writing requirements to /home/james/viper-venv/lib/python3.6/site-packages/pytest_runner-3.0-py3.6.egg/EGG-INFO/requires.txt
Adding pytest-runner 3.0 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/pytest_runner-3.0-py3.6.egg
Searching for pytest-cov
Reading https://pypi.python.org/simple/pytest-cov/
Downloading https://pypi.python.org/packages/30/7d/7f6a78ae44a1248ee28cc777586c18b28a1df903470e5d34a6e25712b8aa/pytest_cov-2.5.1-py2.py3-none-any.whl#md5=c909b7588c6c6f447d76d6fa1ba2129c
Best match: pytest-cov 2.5.1
Processing pytest_cov-2.5.1-py2.py3-none-any.whl
Installing pytest_cov-2.5.1-py2.py3-none-any.whl to /home/james/viper-venv/lib/python3.6/site-packages
writing requirements to /home/james/viper-venv/lib/python3.6/site-packages/pytest_cov-2.5.1-py3.6.egg/EGG-INFO/requires.txt
Adding pytest-cov 2.5.1 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/pytest_cov-2.5.1-py3.6.egg
Searching for bumpversion
Reading https://pypi.python.org/simple/bumpversion/
Downloading https://pypi.python.org/packages/ad/34/49c914829066558ebd405a56647d3ee26856282b8b8c4cd2c0c8de40ff8e/bumpversion-0.5.3-py2.py3-none-any.whl#md5=d19772304929920bf9c20176114d294d
Best match: bumpversion 0.5.3
Processing bumpversion-0.5.3-py2.py3-none-any.whl
Installing bumpversion-0.5.3-py2.py3-none-any.whl to /home/james/viper-venv/lib/python3.6/site-packages
Adding bumpversion 0.5.3 to easy-install.pth file
Installing bumpversion script to /home/james/viper-venv/bin
Installing bumpversion script to /home/james/viper-venv/bin

Installed /home/james/viper-venv/lib/python3.6/site-packages/bumpversion-0.5.3-py3.6.egg
Searching for ethereum==2.1.3
Reading https://pypi.python.org/simple/ethereum/
Downloading https://pypi.python.org/packages/f6/c0/2db29fe2dca3059b2bc83756743f5b6458435b7b073673d5e6ccc4de73a5/ethereum-2.1.3.tar.gz#md5=ddfabd6a58db92665141d0c24d2c3608
Best match: ethereum 2.1.3
Processing ethereum-2.1.3.tar.gz
Writing /tmp/easy_install-uqdasp66/ethereum-2.1.3/setup.cfg
Running ethereum-2.1.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-uqdasp66/ethereum-2.1.3/egg-dist-tmp-yboks0wh
zip_safe flag not set; analyzing archive contents...
ethereum.__pycache__.__init__.cpython-36: module references __file__
ethereum.hybrid_casper.__pycache__.casper_utils.cpython-36: module references __file__
ethereum.tests.__pycache__.test_tester.cpython-36: module references __file__
ethereum.tests.__pycache__.test_trie.cpython-36: module references __file__
ethereum.tools.__pycache__.new_statetest_utils.cpython-36: module references __file__
ethereum.tools.__pycache__.testutils.cpython-36: module references __file__
creating /home/james/viper-venv/lib/python3.6/site-packages/ethereum-2.1.3-py3.6.egg
Extracting ethereum-2.1.3-py3.6.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding ethereum 2.1.3 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/ethereum-2.1.3-py3.6.egg
Searching for pytest>=2.6.0
Reading https://pypi.python.org/simple/pytest/
Downloading https://pypi.python.org/packages/22/06/483d4c1a081bd29586f50572dfbcfc9c78b6269841e3aa706fc37418769e/pytest-3.3.1-py2.py3-none-any.whl#md5=a2a9f7e16edb834d31e4b0e80e64c7f2
Best match: pytest 3.3.1
Processing pytest-3.3.1-py2.py3-none-any.whl
Installing pytest-3.3.1-py2.py3-none-any.whl to /home/james/viper-venv/lib/python3.6/site-packages
writing requirements to /home/james/viper-venv/lib/python3.6/site-packages/pytest-3.3.1-py3.6.egg/EGG-INFO/requires.txt
Adding pytest 3.3.1 to easy-install.pth file
Installing py.test script to /home/james/viper-venv/bin
Installing pytest script to /home/james/viper-venv/bin

Installed /home/james/viper-venv/lib/python3.6/site-packages/pytest-3.3.1-py3.6.egg
Searching for coverage>=3.7.1
Reading https://pypi.python.org/simple/coverage/
Downloading https://pypi.python.org/packages/fd/57/595ec48699ac4cbd51fd25c546859fe5b65cff0a4a9747b38e665643e062/coverage-4.4.2-cp36-cp36m-manylinux1_x86_64.whl#md5=81ab856d5ab75e83708068b09da4f0d9
Best match: coverage 4.4.2
Processing coverage-4.4.2-cp36-cp36m-manylinux1_x86_64.whl
Installing coverage-4.4.2-cp36-cp36m-manylinux1_x86_64.whl to /home/james/viper-venv/lib/python3.6/site-packages
Adding coverage 4.4.2 to easy-install.pth file
Installing coverage script to /home/james/viper-venv/bin
Installing coverage-3.6 script to /home/james/viper-venv/bin
Installing coverage3 script to /home/james/viper-venv/bin

Installed /home/james/viper-venv/lib/python3.6/site-packages/coverage-4.4.2-py3.6-linux-x86_64.egg
Searching for future
Reading https://pypi.python.org/simple/future/
Downloading https://pypi.python.org/packages/00/2b/8d082ddfed935f3608cc61140df6dcbf0edea1bc3ab52fb6c29ae3e81e85/future-0.16.0.tar.gz#md5=3e8e88a2bda48d54b1da7634d04760d7
Best match: future 0.16.0
Processing future-0.16.0.tar.gz
Writing /tmp/easy_install-o0le0zit/future-0.16.0/setup.cfg
Running future-0.16.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-o0le0zit/future-0.16.0/egg-dist-tmp-kjhgcw7l
warning: no files found matching '*.au' under directory 'tests'
warning: no files found matching '*.gif' under directory 'tests'
warning: no files found matching '*.txt' under directory 'tests'
zip_safe flag not set; analyzing archive contents...
future.backports.test.__pycache__.ssl_servers.cpython-36: module references __file__
future.backports.test.__pycache__.support.cpython-36: module references __file__
future.standard_library.__pycache__.__init__.cpython-36: module references __file__
future.standard_library.__pycache__.__init__.cpython-36: module references __path__
future.utils.__pycache__.__init__.cpython-36: module MAY be using inspect.stack
past.builtins.__pycache__.misc.cpython-36: module MAY be using inspect.stack
past.translation.__pycache__.__init__.cpython-36: module references __file__
past.translation.__pycache__.__init__.cpython-36: module references __path__
creating /home/james/viper-venv/lib/python3.6/site-packages/future-0.16.0-py3.6.egg
Extracting future-0.16.0-py3.6.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding future 0.16.0 to easy-install.pth file
Installing futurize script to /home/james/viper-venv/bin
Installing pasteurize script to /home/james/viper-venv/bin

Installed /home/james/viper-venv/lib/python3.6/site-packages/future-0.16.0-py3.6.egg
Searching for coincurve>=5.0.1
Reading https://pypi.python.org/simple/coincurve/
Downloading https://pypi.python.org/packages/51/75/0e891ae81704326684f0b05407aa894ccd6cb1851baae31d21ce7ea34236/coincurve-6.0.0-cp36-cp36m-manylinux1_x86_64.whl#md5=03e2b41b8dff3f96b64de659a77cfaa1
Best match: coincurve 6.0.0
Processing coincurve-6.0.0-cp36-cp36m-manylinux1_x86_64.whl
Installing coincurve-6.0.0-cp36-cp36m-manylinux1_x86_64.whl to /home/james/viper-venv/lib/python3.6/site-packages
writing requirements to /home/james/viper-venv/lib/python3.6/site-packages/coincurve-6.0.0-py3.6-linux-x86_64.egg/EGG-INFO/requires.txt
Adding coincurve 6.0.0 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/coincurve-6.0.0-py3.6-linux-x86_64.egg
Searching for pycryptodome==3.4.6
Reading https://pypi.python.org/simple/pycryptodome/
Downloading https://pypi.python.org/packages/b7/fb/5ea74c6dfe6c4937f2ca2e609155c0d97bdf00f8aa306deb25c8f547fdb8/pycryptodome-3.4.6.tar.gz#md5=1a500d5862be93236d705d939cb5b764
Best match: pycryptodome 3.4.6
Processing pycryptodome-3.4.6.tar.gz
Writing /tmp/easy_install-c9fpr5n0/pycryptodome-3.4.6/setup.cfg
Running pycryptodome-3.4.6/setup.py -q bdist_egg --dist-dir /tmp/easy_install-c9fpr5n0/pycryptodome-3.4.6/egg-dist-tmp-i5dlepmn
warning: no files found matching '.separate_namespace'
Compiling support for Intel AES instructions
zip_safe flag not set; analyzing archive contents...
Crypto.Cipher.__pycache__._ARC4.cpython-36: module references __file__
Crypto.Cipher.__pycache__._Salsa20.cpython-36: module references __file__
Crypto.Cipher.__pycache__._chacha20.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_aes.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_aesni.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_arc2.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_blowfish.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_cast.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_cbc.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_cfb.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_ctr.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_des.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_des3.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_ecb.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_ocb.cpython-36: module references __file__
Crypto.Cipher.__pycache__._raw_ofb.cpython-36: module references __file__
Crypto.Hash.__pycache__._BLAKE2b.cpython-36: module references __file__
Crypto.Hash.__pycache__._BLAKE2s.cpython-36: module references __file__
Crypto.Hash.__pycache__._MD2.cpython-36: module references __file__
Crypto.Hash.__pycache__._MD4.cpython-36: module references __file__
Crypto.Hash.__pycache__._RIPEMD160.cpython-36: module references __file__
Crypto.Hash.__pycache__._SHA224.cpython-36: module references __file__
Crypto.Hash.__pycache__._SHA256.cpython-36: module references __file__
Crypto.Hash.__pycache__._SHA384.cpython-36: module references __file__
Crypto.Hash.__pycache__._SHA512.cpython-36: module references __file__
Crypto.Hash.__pycache__._keccak.cpython-36: module references __file__
Crypto.Protocol.__pycache__._scrypt.cpython-36: module references __file__
Crypto.Util.__pycache__._cpuid.cpython-36: module references __file__
Crypto.Util.__pycache__._file_system.cpython-36: module references __file__
Crypto.Util.__pycache__._galois.cpython-36: module references __file__
Crypto.Util.__pycache__._strxor.cpython-36: module references __file__
creating /home/james/viper-venv/lib/python3.6/site-packages/pycryptodome-3.4.6-py3.6-linux-x86_64.egg
Extracting pycryptodome-3.4.6-py3.6-linux-x86_64.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding pycryptodome 3.4.6 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/pycryptodome-3.4.6-py3.6-linux-x86_64.egg
Searching for pyethash
Reading https://pypi.python.org/simple/pyethash/
Downloading https://pypi.python.org/packages/6c/40/5bb02ad7e2fae9b04cd0c391dda81213bc786c30c8381b018600cfc7ce62/pyethash-0.1.27.tar.gz#md5=0ede7aff7f9279b2451ecdb187b91590
Best match: pyethash 0.1.27
Processing pyethash-0.1.27.tar.gz
Writing /tmp/easy_install-y56djm4b/pyethash-0.1.27/setup.cfg
Running pyethash-0.1.27/setup.py -q bdist_egg --dist-dir /tmp/easy_install-y56djm4b/pyethash-0.1.27/egg-dist-tmp-ejspw9f_
src/python/core.c: In function ‘mkcache_bytes’:
src/python/core.c:22:19: warning: unused variable ‘cache_size’ [-Wunused-variable]
     unsigned long cache_size;
                   ^~~~~~~~~~
zip_safe flag not set; analyzing archive contents...
__pycache__.pyethash.cpython-36: module references __file__
creating /home/james/viper-venv/lib/python3.6/site-packages/pyethash-0.1.27-py3.6-linux-x86_64.egg
Extracting pyethash-0.1.27-py3.6-linux-x86_64.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding pyethash 0.1.27 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/pyethash-0.1.27-py3.6-linux-x86_64.egg
Searching for rlp>=0.4.7
Reading https://pypi.python.org/simple/rlp/
Downloading https://pypi.python.org/packages/f9/53/922c7a15116e52cd7340f81b83322d5ec9d38668cd78d1a0c7e75dfce8f2/rlp-0.6.0.tar.gz#md5=433c15b0efa188752448a0dd422a5bc0
Best match: rlp 0.6.0
Processing rlp-0.6.0.tar.gz
Writing /tmp/easy_install-ubgpgrys/rlp-0.6.0/setup.cfg
Running rlp-0.6.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ubgpgrys/rlp-0.6.0/egg-dist-tmp-urbw28xp
warning: no previously-included files matching '__pycache__' found under directory '*'
warning: no previously-included files matching '*.py[co]' found under directory '*'
creating /home/james/viper-venv/lib/python3.6/site-packages/rlp-0.6.0-py3.6.egg
Extracting rlp-0.6.0-py3.6.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding rlp 0.6.0 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/rlp-0.6.0-py3.6.egg
Searching for py_ecc
Reading https://pypi.python.org/simple/py_ecc/
Downloading https://pypi.python.org/packages/fe/b0/7289548c100f46097c4a71b52c264b3b67759ab8d39db0f34a6fae8a335d/py_ecc-1.4.2-py3-none-any.whl#md5=27ae4bf5c4be22214207011c6c457538
Best match: py-ecc 1.4.2
Processing py_ecc-1.4.2-py3-none-any.whl
Installing py_ecc-1.4.2-py3-none-any.whl to /home/james/viper-venv/lib/python3.6/site-packages
Adding py-ecc 1.4.2 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/py_ecc-1.4.2-py3.6.egg
Searching for pbkdf2
Reading https://pypi.python.org/simple/pbkdf2/
Downloading https://pypi.python.org/packages/02/c0/6a2376ae81beb82eda645a091684c0b0becb86b972def7849ea9066e3d5e/pbkdf2-1.3.tar.gz#md5=40cda566f61420490206597243dd869f
Best match: pbkdf2 1.3
Processing pbkdf2-1.3.tar.gz
Writing /tmp/easy_install-j89kdd6s/pbkdf2-1.3/setup.cfg
Running pbkdf2-1.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-j89kdd6s/pbkdf2-1.3/egg-dist-tmp-lv8i5g2u
zip_safe flag not set; analyzing archive contents...
Moving pbkdf2-1.3-py3.6.egg to /home/james/viper-venv/lib/python3.6/site-packages
Adding pbkdf2 1.3 to easy-install.pth file

Installed /home/james/viper-venv/lib/python3.6/site-packages/pbkdf2-1.3-py3.6.egg
Searching for scrypt
Reading https://pypi.python.org/simple/scrypt/
Downloading https://pypi.python.org/packages/af/82/44b030646b9de44ba5a5c7e87b0419a4d44318ba18468f5292b9c16737ac/scrypt-0.8.0.tar.gz#md5=0704e59cc3afb3845c27bb3827baeea9
Best match: scrypt 0.8.0
Processing scrypt-0.8.0.tar.gz
Writing /tmp/easy_install-s1fil5fa/scrypt-0.8.0/setup.cfg
Running scrypt-0.8.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-s1fil5fa/scrypt-0.8.0/egg-dist-tmp-r9nmeje4
scrypt-1.2.0/libcperciva/crypto/crypto_aes.c:6:10: fatal error: openssl/aes.h: No such file or directory
 #include <openssl/aes.h>
          ^~~~~~~~~~~~~~~
compilation terminated.
error: Setup script exited with error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
Makefile:4: recipe for target 'init' failed
make: *** [init] Error 1