New issue 2862: pypy3 can't install  Cryptography
https://bitbucket.org/pypy/pypy/issues/2862/pypy3-cant-install-cryptography

SHENGNAN LI:

I tried to install Cryptography through: 
lsn@lsn-Super-Server:~/pypy/pypy3-v6.0.0-linux64/bin$ ./pypy3 -m pip install 
PyMySQL


But, it failed with the comments:

Collecting Cryptography
  Using cached 
https://files.pythonhosted.org/packages/79/a2/61c8625f96c8582d3053f89368c483ba62e56233d055e58e372f94a393f0/cryptography-2.3.tar.gz
Requirement already satisfied: idna>=2.1 in 
/home/lsn/pypy/pypy3-v6.0.0-linux64/site-packages (from Cryptography) (2.7)
Requirement already satisfied: asn1crypto>=0.21.0 in 
/home/lsn/pypy/pypy3-v6.0.0-linux64/site-packages (from Cryptography) (0.24.0)
Requirement already satisfied: six>=1.4.1 in 
/home/lsn/pypy/pypy3-v6.0.0-linux64/site-packages (from Cryptography) (1.11.0)
Requirement already satisfied: cffi!=1.11.3,>=1.7 in 
/home/lsn/pypy/pypy3-v6.0.0-linux64/lib_pypy (from Cryptography) (1.11.5)
Building wheels for collected packages: Cryptography
  Running setup.py bdist_wheel for Cryptography ... error
  Complete output from command /home/lsn/pypy/pypy3-v6.0.0-linux64/bin/pypy3 -u 
-c "import setuptools, 
tokenize;__file__='/tmp/pip-install-87db0m7x/Cryptography/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-nrbv4zao --python-tag pp360:
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-3.5
  creating build/lib.linux-x86_64-3.5/cryptography
  copying src/cryptography/__about__.py -> 
build/lib.linux-x86_64-3.5/cryptography
  copying src/cryptography/fernet.py -> build/lib.linux-x86_64-3.5/cryptography
  copying src/cryptography/utils.py -> build/lib.linux-x86_64-3.5/cryptography
  copying src/cryptography/exceptions.py -> 
build/lib.linux-x86_64-3.5/cryptography
  copying src/cryptography/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat
  copying src/cryptography/hazmat/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat
  creating build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/general_name.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/name.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/extensions.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/oid.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/base.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/certificate_transparency.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  copying src/cryptography/x509/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
  copying src/cryptography/hazmat/backends/interfaces.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
  copying src/cryptography/hazmat/backends/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/hashes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/serialization.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/keywrap.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/hmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/constant_time.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/mac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/padding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  copying src/cryptography/hazmat/primitives/cmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings
  copying src/cryptography/hazmat/bindings/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/ciphers.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/hashes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/ec.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/hmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/aead.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/dsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/decode_asn1.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/encode_asn1.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/x25519.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/backend.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/x509.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/dh.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/cmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  copying src/cryptography/hazmat/backends/openssl/rsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/scrypt.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/hkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/x963kdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/pbkdf2.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/kbkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  copying src/cryptography/hazmat/primitives/kdf/concatkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
  copying src/cryptography/hazmat/primitives/twofactor/hotp.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
  copying src/cryptography/hazmat/primitives/twofactor/totp.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
  copying src/cryptography/hazmat/primitives/twofactor/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
  copying src/cryptography/hazmat/primitives/twofactor/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/ec.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/dsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/x25519.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/dh.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/padding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  copying src/cryptography/hazmat/primitives/asymmetric/rsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  copying src/cryptography/hazmat/primitives/ciphers/aead.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  copying src/cryptography/hazmat/primitives/ciphers/algorithms.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  copying src/cryptography/hazmat/primitives/ciphers/modes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  copying src/cryptography/hazmat/primitives/ciphers/base.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  copying src/cryptography/hazmat/primitives/ciphers/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
  creating build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
  copying src/cryptography/hazmat/bindings/openssl/_conditional.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
  copying src/cryptography/hazmat/bindings/openssl/binding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
  copying src/cryptography/hazmat/bindings/openssl/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
  running egg_info
  writing src/cryptography.egg-info/PKG-INFO
  writing dependency_links to src/cryptography.egg-info/dependency_links.txt
  writing requirements to src/cryptography.egg-info/requires.txt
  writing top-level names to src/cryptography.egg-info/top_level.txt
  reading manifest file 'src/cryptography.egg-info/SOURCES.txt'
  reading manifest template 'MANIFEST.in'
  no previously-included directories found matching 'docs/_build'
  warning: no previously-included files matching '*' found under directory 
'vectors'
  writing manifest file 'src/cryptography.egg-info/SOURCES.txt'
  running build_ext
  generating cffi module 'build/temp.linux-x86_64-3.5/_padding.c'
  creating build/temp.linux-x86_64-3.5
  generating cffi module 'build/temp.linux-x86_64-3.5/_constant_time.c'
  generating cffi module 'build/temp.linux-x86_64-3.5/_openssl.c'
  building '_openssl' extension
  creating build/temp.linux-x86_64-3.5/build
  creating build/temp.linux-x86_64-3.5/build/temp.linux-x86_64-3.5
  cc -pthread -DNDEBUG -O2 -Qunused-arguments -fPIC 
-I/home/lsn/pypy/pypy3-v6.0.0-linux64/include -c 
build/temp.linux-x86_64-3.5/_openssl.c -o 
build/temp.linux-x86_64-3.5/build/temp.linux-x86_64-3.5/_openssl.o -Wconversion 
-Wno-error=sign-conversion
  cc: error: unrecognized command line option ‘-Qunused-arguments’; did you 
mean ‘-Wunused-parameter’?
  error: command 'cc' failed with exit status 1
  
  ----------------------------------------
  Failed building wheel for Cryptography
  Running setup.py clean for Cryptography
Failed to build Cryptography
Installing collected packages: Cryptography
  Running setup.py install for Cryptography ... error
    Complete output from command /home/lsn/pypy/pypy3-v6.0.0-linux64/bin/pypy3 
-u -c "import setuptools, 
tokenize;__file__='/tmp/pip-install-87db0m7x/Cryptography/setup.py';f=getattr(tokenize,
 'open', open)(__file__);code=f.read().replace('\r\n', 
'\n');f.close();exec(compile(code, __file__, 'exec'))" install --record 
/tmp/pip-record-9zd03ixf/install-record.txt --single-version-externally-managed 
--compile:
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-3.5
    creating build/lib.linux-x86_64-3.5/cryptography
    copying src/cryptography/__about__.py -> 
build/lib.linux-x86_64-3.5/cryptography
    copying src/cryptography/fernet.py -> 
build/lib.linux-x86_64-3.5/cryptography
    copying src/cryptography/utils.py -> build/lib.linux-x86_64-3.5/cryptography
    copying src/cryptography/exceptions.py -> 
build/lib.linux-x86_64-3.5/cryptography
    copying src/cryptography/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat
    copying src/cryptography/hazmat/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat
    creating build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/general_name.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/name.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/extensions.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/oid.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/base.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/certificate_transparency.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    copying src/cryptography/x509/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/x509
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
    copying src/cryptography/hazmat/backends/interfaces.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
    copying src/cryptography/hazmat/backends/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/hashes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/serialization.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/keywrap.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/hmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/constant_time.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/mac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/padding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    copying src/cryptography/hazmat/primitives/cmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings
    copying src/cryptography/hazmat/bindings/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/ciphers.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/hashes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/ec.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/hmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/aead.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/dsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/decode_asn1.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/encode_asn1.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/x25519.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/backend.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/x509.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/dh.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/cmac.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    copying src/cryptography/hazmat/backends/openssl/rsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/backends/openssl
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/scrypt.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/hkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/x963kdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/pbkdf2.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/kbkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    copying src/cryptography/hazmat/primitives/kdf/concatkdf.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/kdf
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
    copying src/cryptography/hazmat/primitives/twofactor/hotp.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
    copying src/cryptography/hazmat/primitives/twofactor/totp.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
    copying src/cryptography/hazmat/primitives/twofactor/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
    copying src/cryptography/hazmat/primitives/twofactor/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/twofactor
    creating 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/ec.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/dsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/utils.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/x25519.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/dh.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/padding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    copying src/cryptography/hazmat/primitives/asymmetric/rsa.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/asymmetric
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    copying src/cryptography/hazmat/primitives/ciphers/aead.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    copying src/cryptography/hazmat/primitives/ciphers/algorithms.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    copying src/cryptography/hazmat/primitives/ciphers/modes.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    copying src/cryptography/hazmat/primitives/ciphers/base.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    copying src/cryptography/hazmat/primitives/ciphers/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/primitives/ciphers
    creating build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
    copying src/cryptography/hazmat/bindings/openssl/_conditional.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
    copying src/cryptography/hazmat/bindings/openssl/binding.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
    copying src/cryptography/hazmat/bindings/openssl/__init__.py -> 
build/lib.linux-x86_64-3.5/cryptography/hazmat/bindings/openssl
    running egg_info
    writing src/cryptography.egg-info/PKG-INFO
    writing dependency_links to src/cryptography.egg-info/dependency_links.txt
    writing requirements to src/cryptography.egg-info/requires.txt
    writing top-level names to src/cryptography.egg-info/top_level.txt
    reading manifest file 'src/cryptography.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    no previously-included directories found matching 'docs/_build'
    warning: no previously-included files matching '*' found under directory 
'vectors'
    writing manifest file 'src/cryptography.egg-info/SOURCES.txt'
    running build_ext
    generating cffi module 'build/temp.linux-x86_64-3.5/_padding.c'
    creating build/temp.linux-x86_64-3.5
    generating cffi module 'build/temp.linux-x86_64-3.5/_constant_time.c'
    generating cffi module 'build/temp.linux-x86_64-3.5/_openssl.c'
    building '_openssl' extension
    creating build/temp.linux-x86_64-3.5/build
    creating build/temp.linux-x86_64-3.5/build/temp.linux-x86_64-3.5
    cc -pthread -DNDEBUG -O2 -Qunused-arguments -fPIC 
-I/home/lsn/pypy/pypy3-v6.0.0-linux64/include -c 
build/temp.linux-x86_64-3.5/_openssl.c -o 
build/temp.linux-x86_64-3.5/build/temp.linux-x86_64-3.5/_openssl.o -Wconversion 
-Wno-error=sign-conversion
    cc: error: unrecognized command line option ‘-Qunused-arguments’; did you 
mean ‘-Wunused-parameter’?
    error: command 'cc' failed with exit status 1
    
    ----------------------------------------
Command "/home/lsn/pypy/pypy3-v6.0.0-linux64/bin/pypy3 -u -c "import 
setuptools, 
tokenize;__file__='/tmp/pip-install-87db0m7x/Cryptography/setup.py';f=getattr(tokenize,
 'open', open)(__file__);code=f.read().replace('\r\n', 
'\n');f.close();exec(compile(code, __file__, 'exec'))" install --record 
/tmp/pip-record-9zd03ixf/install-record.txt --single-version-externally-managed 
--compile" failed with error code 1 in /tmp/pip-install-87db0m7x/Cryptography/


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