Created temporary directory: /tmp/pip-ephem-wheel-cache-ui7d1n6t
Created temporary directory: /tmp/pip-req-tracker-svjc9_b5
Created requirements tracker '/tmp/pip-req-tracker-svjc9_b5'
Created temporary directory: /tmp/pip-wheel-2679xcba
Collecting pure-protobuf==2.0.0
  1 location(s) to search for versions of pure-protobuf:
  * https://pypi.org/simple/pure-protobuf/
  Getting page https://pypi.org/simple/pure-protobuf/
  Analyzing links from page https://pypi.org/simple/pure-protobuf/
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    Skipping link https://files.pythonhosted.org/packages/f2/69/b74ea0b532152be9fcce09ec308373ac3fce5c5c1d95a464d0cb6f043e63/pure_protobuf-0.4.0-py2-none-any.whl#sha256=fcee6c32bd7fca9b579ab0311e27f7a18f4299cf90f518b8031b141c6b13ead4 (from https://pypi.org/simple/pure-protobuf/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/c8/97/5f8ce0747fe27a73c1464b3bbd39f8150dcdfc4180b9a4d545edca8fbc80/pure-protobuf-0.4.1.tar.gz#sha256=02c1c35529662426ced05c4689ce57fc8acd267c760dbc9367c32bdf5c9fd3db (from https://pypi.org/simple/pure-protobuf/), version: 0.4.1
    Skipping link https://files.pythonhosted.org/packages/fd/f2/28332603d58f8388e4120f4ad9967e4f10f161185e3f81acbf1aa689afd7/pure_protobuf-0.4.1-py2-none-any.whl#sha256=a49a65152e163005c00534103097c1c1643940fb18f60868b64f7c444e3bffe7 (from https://pypi.org/simple/pure-protobuf/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/e0/ae/0d4b62c045be161aae6b2db09040f392ffcf9b8c8617bbb0c941402f7f6b/pure-protobuf-0.5.0.tar.gz#sha256=83f67d73d49e03011bc0118f96e20b4e352141be400a6b961ce76b91ae595252 (from https://pypi.org/simple/pure-protobuf/), version: 0.5.0
    Found link https://files.pythonhosted.org/packages/01/3b/44131124dd489dcfc0f728ec530fdf42deea95037bd7458dfd7ce3f695a4/pure_protobuf-0.5.0-py3-none-any.whl#sha256=ce61841fad78ac470d089c5baa1cccb8da8544f4c058fcd15ecb4f9600a4b927 (from https://pypi.org/simple/pure-protobuf/), version: 0.5.0
    Found link https://files.pythonhosted.org/packages/31/58/02f6596938ed0f934ff4803b48f1758ae90869229923264b83b82e40245c/pure-protobuf-1.0.0.tar.gz#sha256=e50c0d89990055562309c20d60c8a09e2a7bdbe64309eff8ea6aa4c975e052fc (from https://pypi.org/simple/pure-protobuf/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/bc/1c/214c051356db211f98081f955053e3e005603be7bc61b761e954a83188a4/pure_protobuf-1.0.0-py3-none-any.whl#sha256=167eb8b1a40579a716a6538bee748e1b1a9869fb3e686b5d208b100f9bb21668 (from https://pypi.org/simple/pure-protobuf/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/1d/36/50b88e1749fd8add23d77cc60352abdb2ffeb9de6c8e933245679f3c557f/pure-protobuf-1.0.1.tar.gz#sha256=a0a6764891728805c97b668829cded1a2362e6ffdd72295c2cd497e22e17e2cf (from https://pypi.org/simple/pure-protobuf/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/4d/93/2665e23f36c81744c6dcaebbeca79e2f613199e6b48c791e27fc91135405/pure_protobuf-1.0.1-py3-none-any.whl#sha256=cca575614de01660badbd6837625cffe631ef1946a366011ed8304200cd6558d (from https://pypi.org/simple/pure-protobuf/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/cb/87/61c6e2ea2ff389f31bc44a27d73479eae3e39c6c32a57f8b92dfc79a17a3/pure-protobuf-1.1.0.tar.gz#sha256=b049dd3631b733c698bfd1b7a3ce612bdec6f7daeb549ded7cc2b57ff527d6a7 (from https://pypi.org/simple/pure-protobuf/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/b5/6e/386e02cc87ff59aba131e0933c06b14f7f86911a06bf012845c4cae080e2/pure_protobuf-1.1.0-py3-none-any.whl#sha256=a8ac2c4dd373c2b5bb3c20fbdf109c560c261dc9559d8a004107944cadea4112 (from https://pypi.org/simple/pure-protobuf/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/9a/56/bc1cad5cc23b51db12c0837b14aedd5c902bc360fbb9089ee65a1c56cee4/pure-protobuf-1.2.0.tar.gz#sha256=4dc22aa271f866c185736948c78a6d7fc91da284f9f2b38571be71af820a0033 (from https://pypi.org/simple/pure-protobuf/), version: 1.2.0
    Found link https://files.pythonhosted.org/packages/98/11/5dc29229b573370eb2a21fe7c5d063fff7abebee7ef008b31612ba6b3493/pure_protobuf-1.2.0-py3-none-any.whl#sha256=d045779a29f5ae4dd1641b5f9fd1aa04e9de764001643636aa88617850c2b8d6 (from https://pypi.org/simple/pure-protobuf/), version: 1.2.0
    Found link https://files.pythonhosted.org/packages/47/0c/afa77d73b8366a82e865ca5d248bea090e2b4659460a86f9adf0a2522f7d/pure-protobuf-2.0.0.tar.gz#sha256=cec813ff36266680af9fd88be8d277cafa858181c12e6c82d65100b72b73ad4e (from https://pypi.org/simple/pure-protobuf/), version: 2.0.0
    Found link https://files.pythonhosted.org/packages/7d/90/85c89be09c81c13e5dcf9dee0ef0e9944723b8fc28a1e9f9289347c83126/pure_protobuf-2.0.0-py3-none-any.whl#sha256=d1d6e6133b91f56cfda6d616e60890eabea0e2634ecb562717525684346451e9 (from https://pypi.org/simple/pure-protobuf/), version: 2.0.0
  Using version 2.0.0 (newest of versions: 2.0.0)
  Created temporary directory: /tmp/pip-unpack-ehpp3izv
  Downloading https://files.pythonhosted.org/packages/7d/90/85c89be09c81c13e5dcf9dee0ef0e9944723b8fc28a1e9f9289347c83126/pure_protobuf-2.0.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/7d/90/85c89be09c81c13e5dcf9dee0ef0e9944723b8fc28a1e9f9289347c83126/pure_protobuf-2.0.0-py3-none-any.whl#sha256=d1d6e6133b91f56cfda6d616e60890eabea0e2634ecb562717525684346451e9 (from https://pypi.org/simple/pure-protobuf/)
  Saved /tmp/tmpbpjt_s3z/pure_protobuf-2.0.0-py3-none-any.whl
  Added pure-protobuf==2.0.0 from https://files.pythonhosted.org/packages/7d/90/85c89be09c81c13e5dcf9dee0ef0e9944723b8fc28a1e9f9289347c83126/pure_protobuf-2.0.0-py3-none-any.whl#sha256=d1d6e6133b91f56cfda6d616e60890eabea0e2634ecb562717525684346451e9 to build tracker '/tmp/pip-req-tracker-svjc9_b5'
  Removed pure-protobuf==2.0.0 from https://files.pythonhosted.org/packages/7d/90/85c89be09c81c13e5dcf9dee0ef0e9944723b8fc28a1e9f9289347c83126/pure_protobuf-2.0.0-py3-none-any.whl#sha256=d1d6e6133b91f56cfda6d616e60890eabea0e2634ecb562717525684346451e9 from build tracker '/tmp/pip-req-tracker-svjc9_b5'
Skipping pure-protobuf, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-2679xcba/pure-protobuf
Removed build tracker '/tmp/pip-req-tracker-svjc9_b5'