Created temporary directory: /tmp/pip-ephem-wheel-cache-rkkflzs1
Created temporary directory: /tmp/pip-req-tracker-4cv7aoz5
Created requirements tracker '/tmp/pip-req-tracker-4cv7aoz5'
Created temporary directory: /tmp/pip-wheel-5848aq9y
Collecting interface-meta==1.2.1
  1 location(s) to search for versions of interface-meta:
  * https://pypi.org/simple/interface-meta/
  Getting page https://pypi.org/simple/interface-meta/
  Analyzing links from page https://pypi.org/simple/interface-meta/
    Found link https://files.pythonhosted.org/packages/4d/ca/d3578344cc1f9e1e2d93e5a991f748721238499d5f1c61ecff305faa9561/interface_meta-0.1.0.tar.gz#sha256=c68597ae7510c578305222478c58429f7c372d790387187834d8ad25c6dab7d8 (from https://pypi.org/simple/interface-meta/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/26/f8/586399c2001a196944fb37e00562a293bb1e73f30a9b5bdf3593a39e8870/interface_meta-1.0.0.tar.gz#sha256=20f0534b079dfe907183d40ecee94629e57663ab93312e5f0b51e8d0f0007345 (from https://pypi.org/simple/interface-meta/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/5c/c7/19af52a842459a9ba31b67ab39e1046bf0bcc5718a283b639d56eae2df7d/interface_meta-1.0.1.tar.gz#sha256=fe9e9c441b2d0e70177a708245697e89b56b8c2cb61a8752241b53aa2aa2a781 (from https://pypi.org/simple/interface-meta/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/b0/d8/77362d028eea9c1409891c34bb303331f82a51ecceab47f5c9e41c4585f1/interface_meta-1.1.0.tar.gz#sha256=b0191da4067ec941894ab6c1976dd02f5f41102db57ed676addd1bc3779eb4bf (from https://pypi.org/simple/interface-meta/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl#sha256=104002c17b5a01e0c89ebe230af1e7f8d12239b1e840efd4be1d98b1a569d8de (from https://pypi.org/simple/interface-meta/), version: 1.1.1
    Found link https://files.pythonhosted.org/packages/78/8a/2dbe0124240ac24267205e3b83afc4d2c86f289d9689446e97b9a7ae70ff/interface_meta-1.1.1.tar.gz#sha256=d0f3b7bf66892618de0e2ea4acec969d67a6f5f7ec2aa00064af621cfbf15278 (from https://pypi.org/simple/interface-meta/), version: 1.1.1
    Found link https://files.pythonhosted.org/packages/d1/6e/3b2d5a2f5f4e7eae26fccd6c37d7cf6b59fb616552bce5ab261a7d389e45/interface_meta-1.1.2-py2.py3-none-any.whl#sha256=33d6e9e546a21993d59972f3a37db44d0fc8e1ec8eebd43c14e46912d656bc71 (from https://pypi.org/simple/interface-meta/), version: 1.1.2
    Found link https://files.pythonhosted.org/packages/f1/44/ddc47e3e0510f8242fa1b5c585df7935544cc1615667de49def70b993441/interface_meta-1.1.2.tar.gz#sha256=98b814802def3521adcf42b100ffa673dd7308779251086286f00c7f11f5335d (from https://pypi.org/simple/interface-meta/), version: 1.1.2
    Found link https://files.pythonhosted.org/packages/4e/c2/484017d5bf64cbda258011c86291589045661c756cc8a93dc0c544f56048/interface_meta-1.1.3-py2.py3-none-any.whl#sha256=7342aa0492c024fb75179228ac7ff5862a53c625cdfdbfa07deb4746248a960e (from https://pypi.org/simple/interface-meta/), version: 1.1.3
    Found link https://files.pythonhosted.org/packages/ab/30/d0a162e3b465babe25bb8e478a6565c4c13a5c04c209306cd234945e9452/interface_meta-1.1.3.tar.gz#sha256=68bcafb9dd659f0043ef4d61f2bf86f84114a49423777bfec98fdf46174e2c00 (from https://pypi.org/simple/interface-meta/), version: 1.1.3
    Found link https://files.pythonhosted.org/packages/39/72/a967850edc33e666c7ff23c3f717e639b1f203d588ab5199a7794c284eeb/interface_meta-1.2.0-py2.py3-none-any.whl#sha256=23183dba2cd3357437772264c301f09a9236756031e5a3da0ac789a7e87291f1 (from https://pypi.org/simple/interface-meta/) (requires-python:>=3.4), version: 1.2.0
    Found link https://files.pythonhosted.org/packages/5e/ad/137f97ca9015de916ddea6dd1c85bdf44df41963d80d75555d5c934af1ff/interface_meta-1.2.0.tar.gz#sha256=cfd706f2c552182c31c0800a80ecdab47f77b9ed3459909037a5c092389a614b (from https://pypi.org/simple/interface-meta/) (requires-python:>=3.4), version: 1.2.0
    Found link https://files.pythonhosted.org/packages/7e/a1/76aa9e9eeeaed14e2044527ba984e3c2bcffb011c324b3d6f8a1193b3c17/interface_meta-1.2.1-py2.py3-none-any.whl#sha256=0bab2fc123046bc277eee400c7f5110ab078794d815e16c06136ac9823ea9040 (from https://pypi.org/simple/interface-meta/) (requires-python:>=3.4), version: 1.2.1
    Found link https://files.pythonhosted.org/packages/c9/26/a7f9e39f1d59c16b82aceb315959fafa0abb8f5332ac8f8eb0518d35de3a/interface_meta-1.2.1.tar.gz#sha256=f7c6b2237fd613ae9b63c41a6759d50a78e8bca8b83c24c643eb76ede1c8183f (from https://pypi.org/simple/interface-meta/) (requires-python:>=3.4), version: 1.2.1
  Using version 1.2.1 (newest of versions: 1.2.1)
  Created temporary directory: /tmp/pip-unpack-319xo2yk
  Downloading https://files.pythonhosted.org/packages/7e/a1/76aa9e9eeeaed14e2044527ba984e3c2bcffb011c324b3d6f8a1193b3c17/interface_meta-1.2.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/7e/a1/76aa9e9eeeaed14e2044527ba984e3c2bcffb011c324b3d6f8a1193b3c17/interface_meta-1.2.1-py2.py3-none-any.whl#sha256=0bab2fc123046bc277eee400c7f5110ab078794d815e16c06136ac9823ea9040 (from https://pypi.org/simple/interface-meta/) (requires-python:>=3.4)
  Saved /tmp/tmp3aaf0red/interface_meta-1.2.1-py2.py3-none-any.whl
  Added interface-meta==1.2.1 from https://files.pythonhosted.org/packages/7e/a1/76aa9e9eeeaed14e2044527ba984e3c2bcffb011c324b3d6f8a1193b3c17/interface_meta-1.2.1-py2.py3-none-any.whl#sha256=0bab2fc123046bc277eee400c7f5110ab078794d815e16c06136ac9823ea9040 to build tracker '/tmp/pip-req-tracker-4cv7aoz5'
  Removed interface-meta==1.2.1 from https://files.pythonhosted.org/packages/7e/a1/76aa9e9eeeaed14e2044527ba984e3c2bcffb011c324b3d6f8a1193b3c17/interface_meta-1.2.1-py2.py3-none-any.whl#sha256=0bab2fc123046bc277eee400c7f5110ab078794d815e16c06136ac9823ea9040 from build tracker '/tmp/pip-req-tracker-4cv7aoz5'
Skipping interface-meta, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-5848aq9y/interface-meta
Removed build tracker '/tmp/pip-req-tracker-4cv7aoz5'