Created temporary directory: /tmp/pip-ephem-wheel-cache-wizm1o7v
Created temporary directory: /tmp/pip-req-tracker-u3rhvi7k
Created requirements tracker '/tmp/pip-req-tracker-u3rhvi7k'
Created temporary directory: /tmp/pip-wheel-si6sdpn4
Collecting bison==0.1.2
  1 location(s) to search for versions of bison:
  * https://pypi.org/simple/bison/
  Getting page https://pypi.org/simple/bison/
  Analyzing links from page https://pypi.org/simple/bison/
    Found link https://files.pythonhosted.org/packages/d0/59/1665577e705feaa2f0135e0de779cbb0f75b546ca8ddbfbc4960431dc0a0/bison-0.0.1-py2.py3-none-any.whl#sha256=59bccffa9ece93f4d4d0cb2ab510beaab74ae7c2b786c6fcea474cc94807a74b (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/4c/2b/be4601218f6c5e968da2580c0ece23fead89781ccaec938017e11699e19b/bison-0.0.1.tar.gz#sha256=23cc83070c8d003c2e70b91365da7cc8c5ecaa9c97eeb01f7edfc349952ae717 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/3f/c2/c46b550c022c09e7d15b4d37a2df0c0447b57cf8fcddc65e9819e4bfe14e/bison-0.0.2-py2.py3-none-any.whl#sha256=8633e4ac289512d61f2d73a986c4f5a94a2535e1f53213348da0222b58c91b8e (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/f7/9a/4b37eb7296a40467cc07ce75883c2e492fc510f38d9ac8345003dee04216/bison-0.0.2.tar.gz#sha256=3356096b71327fb8038eafa89d031788062a40a0e922d6d83f8b280031ddbdc1 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/ff/57/87ca4488fb5f3babeb90db6404b1f0c372c08c720bf0d6b401af964fd90f/bison-0.0.3-py2.py3-none-any.whl#sha256=c08efc64a57407c1d1531f2821f87487a062c9202d23ecf6a4fa92fc58e8b848 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.3
    Found link https://files.pythonhosted.org/packages/7d/95/dbe84d3e9740ae547d93546fabc682063d36956840c762fe8ec8ae605074/bison-0.0.3.tar.gz#sha256=56082387e8d7a50c9d935df0c05aa227d0522d6f41b9095b5811c3a73cab2846 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.3
    Found link https://files.pythonhosted.org/packages/76/dc/e2dca597ca2023c8c1a8fc489b5380e5966e90a74b8a1337cb8ce7c08fa3/bison-0.0.4-py2.py3-none-any.whl#sha256=0133620cbf406fc2f3ad7760789790aeb419e92a2d4e911ffd38c17bc3faa9a5 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.4
    Found link https://files.pythonhosted.org/packages/80/28/8b964f2a11569b75f2c108eb50d3bf142c67eeb4e2d2e0b0d697331f24c3/bison-0.0.4.tar.gz#sha256=d388968a09c2d623441237f41db8988b7bc3447ce8f3ff15c1ac248ffc629f8d (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.4
    Found link https://files.pythonhosted.org/packages/d4/22/eb1c27e9dddfd66653773424fa1b65c50076492efde8eab4fe3d6a27eb9e/bison-0.0.5-py2.py3-none-any.whl#sha256=38a2b8ce685601239d80d3e46366654eb1c761c9d0f5003b60ec52654a82201e (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.5
    Found link https://files.pythonhosted.org/packages/cf/55/e2677c8f8c73ced5241414596f39acf606a526b71c88e5c4a754f4ec28f8/bison-0.0.5.tar.gz#sha256=21990e3bdfb4d9ec779b9362a4a7b7ada24d93e70f5c0bdfb9c5ec092fda8a5f (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.5
    Found link https://files.pythonhosted.org/packages/23/76/f20ec2b5c4dfb9a8fc8ef80e4df25e7bdc808861a0f95222c3540150d497/bison-0.0.6-py2.py3-none-any.whl#sha256=248e91451117b5519721c52fb27f5f9be3a4ada82bfcf3329ee026d2ae9615cf (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.6
    Found link https://files.pythonhosted.org/packages/90/55/ecc94c0fd082117e4fa5b35e39d1efa7579a087d589493d27fb2ca17a6a9/bison-0.0.6.tar.gz#sha256=be0c1eaa92f02969534088b59d0645a071e66d7c34fcfc956e9e50e91ad6cf0e (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.0.6
    Found link https://files.pythonhosted.org/packages/28/ff/c55f567dc3c852a8d051ff77e3eacb550afe1089389920b8bcf816f28bfb/bison-0.1.0-py2.py3-none-any.whl#sha256=79fa44a2b3ea68b9b9dd62baec646191324cb227c41980eb96a0c52d47188ccc (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/28/04/1e83ca95c5f50f90f050a368d9a7ac578e7331c7a2e975c89f7c1b255985/bison-0.1.0.tar.gz#sha256=5e7b54f9164daf3409c7b047ae6fe8cb47a39a47a70cab93054c7e2bffc25ff3 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/5a/2e/89ab234959dd45ef5f868cca61933c9e0ffc84f4a1fe083a48e97d0105b0/bison-0.1.1-py2.py3-none-any.whl#sha256=b1786da1714ceec08baf95fea0c5cfa2292d04c0c51674d2347a8652de10ef61 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/4a/f1/bbba71c9e6ea6ebf97cf44e4cb7e2f409c34d00aa477a345c9c49fa9e892/bison-0.1.1.tar.gz#sha256=13105bb75fa30b35f7ade15a76c5654f0769bc0b4162ff014764ac42c50d1715 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/e7/60/8aa4308a82fd5fecb0728bfbbe4006a7e7498210c3e3fc4a048f8bdd6c9c/bison-0.1.2-py2.py3-none-any.whl#sha256=394aa780aa7bc0e6ea5d719aa97e1be8f1633b1a8a7f6c1cd0ae15a45e4336da (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/2d/e0/6eb6a24e4400536db9958310b81e6448b7055766e59ec2273db4a4d6b322/bison-0.1.2.tar.gz#sha256=9b93a38a4acb1d3b04b1472c4cbdfd0e6317db9f77a3393cfbaf1b641ef90666 (from https://pypi.org/simple/bison/) (requires-python:>=3.4), version: 0.1.2
  Using version 0.1.2 (newest of versions: 0.1.2)
  Created temporary directory: /tmp/pip-unpack-qu_1u5d_
  Downloading https://files.pythonhosted.org/packages/e7/60/8aa4308a82fd5fecb0728bfbbe4006a7e7498210c3e3fc4a048f8bdd6c9c/bison-0.1.2-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/e7/60/8aa4308a82fd5fecb0728bfbbe4006a7e7498210c3e3fc4a048f8bdd6c9c/bison-0.1.2-py2.py3-none-any.whl#sha256=394aa780aa7bc0e6ea5d719aa97e1be8f1633b1a8a7f6c1cd0ae15a45e4336da (from https://pypi.org/simple/bison/) (requires-python:>=3.4)
  Saved /tmp/tmp_0m07xhe/bison-0.1.2-py2.py3-none-any.whl
  Added bison==0.1.2 from https://files.pythonhosted.org/packages/e7/60/8aa4308a82fd5fecb0728bfbbe4006a7e7498210c3e3fc4a048f8bdd6c9c/bison-0.1.2-py2.py3-none-any.whl#sha256=394aa780aa7bc0e6ea5d719aa97e1be8f1633b1a8a7f6c1cd0ae15a45e4336da to build tracker '/tmp/pip-req-tracker-u3rhvi7k'
  Removed bison==0.1.2 from https://files.pythonhosted.org/packages/e7/60/8aa4308a82fd5fecb0728bfbbe4006a7e7498210c3e3fc4a048f8bdd6c9c/bison-0.1.2-py2.py3-none-any.whl#sha256=394aa780aa7bc0e6ea5d719aa97e1be8f1633b1a8a7f6c1cd0ae15a45e4336da from build tracker '/tmp/pip-req-tracker-u3rhvi7k'
Skipping bison, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-si6sdpn4/bison
Removed build tracker '/tmp/pip-req-tracker-u3rhvi7k'