running build_ext

building 'mercurial.base85' extension

creating build

creating build/temp.linux-x86_64-2.7

creating build/temp.linux-x86_64-2.7/mercurial

x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/usr/include/python2.7 -c mercurial/base85.c -o build/temp.linux-x86_64-2.7/mercurial/base85.o

x86_64-linux-gnu-gcc: error: unrecognized command line option ‘-fstack-protector-strong’

error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

----------------------------------------
  Rolling back uninstall of mercurial
Cleaning up...
Command /opt/noc/bin/python -c "import setuptools, tokenize;__file__='/opt/noc/build/Mercurial/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-xuLQDz-record/install-record.txt --single-version-externally-managed --compile --install-headers /opt/noc/include/site/python2.7 failed with error code 1 in /opt/noc/build/Mercurial
Traceback (most recent call last):
  File "./bin/pip", line 11, in <module>
    sys.exit(main())
  File "/opt/noc/lib/python2.7/site-packages/pip/__init__.py", line 185, in main
    return command.main(cmd_args)
  File "/opt/noc/lib/python2.7/site-packages/pip/basecommand.py", line 161, in main
    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 9: ordinal not in range(128)
upgrade: : Cannot update python libraries
Terminating