extra lines after CXX compilation

gistfile1.txt

Collecting regex==2018.02.21
/home/simon/.pyenv/versions/2.7/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  SNIMissingWarning
/home/simon/.pyenv/versions/2.7/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecurePlatformWarning
/home/simon/.pyenv/versions/2.7/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecurePlatformWarning
  Downloading https://files.pythonhosted.org/packages/a2/51/c39562cfed3272592c60cfd229e5464d715b78537e332eac2b695422dc49/regex-2018.02.21.tar.gz (620kB)
    100% |████████████████████████████████| 624kB 4.4MB/s 
Building wheels for collected packages: regex
  Running setup.py bdist_wheel for regex ... done
  Stored in directory: /home/simon/.cache/pip/wheels/6b/c9/cf/230425cdd343d6b98e8da5a5841c3dab1e0c8aaa134e29edb0
Successfully built regex
Installing collected packages: regex
Successfully installed regex-2018.2.21