Created temporary directory: /tmp/pip-ephem-wheel-cache-z322ooq9
Created temporary directory: /tmp/pip-req-tracker-7yrchf1o
Created requirements tracker '/tmp/pip-req-tracker-7yrchf1o'
Created temporary directory: /tmp/pip-wheel-00gkqsgk
Collecting caisson==0.0.4
  1 location(s) to search for versions of caisson:
  * https://pypi.org/simple/caisson/
  Getting page https://pypi.org/simple/caisson/
  Analyzing links from page https://pypi.org/simple/caisson/
    Found link https://files.pythonhosted.org/packages/28/7a/0ddb97075a4c883c6d3dec2123e0cdca04e699dc00d4648f438ad1d0c199/caisson-0.0.1-py3-none-any.whl#sha256=6b8a7faaa1861cc13a4ed01de46513b51d622260da3019480558b13aa500c0a1 (from https://pypi.org/simple/caisson/), version: 0.0.1
    Skipping link https://files.pythonhosted.org/packages/10/06/fbd168172bd0081f31d5e7a6ca9faabb064a84272508076cfc4a902eb140/caisson-0.0.1-py3.7.egg#sha256=a0db3aa6e171a717cb85f689b77c8b2eb988b1d97b29226a41607da864184ad0 (from https://pypi.org/simple/caisson/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/ab/bd/f7f4d1e24dc2ae494564ce9106ffe5dc4397c796ec4ccc2228a5004c4858/caisson-0.0.1.tar.gz#sha256=0c54ffee22291434c8d15b413ef3d8b3751a694c675300920efc03cdbfe4b8ee (from https://pypi.org/simple/caisson/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/aa/4a/501ac03e254ad949c016475af68f5e427a573b063903c836d8db48145d1d/caisson-0.0.2-py3-none-any.whl#sha256=42b3d9c06289a8b95ce2d9e4aaa68d3a3cb71286ac5a2a5203abbcf528803da1 (from https://pypi.org/simple/caisson/), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/66/ac/90545cc6001f1002ad679662e08659b9368906a804fb9eb6031543852830/caisson-0.0.2.tar.gz#sha256=399f55de4840a0606ca21d7367b6e2c632ffacf2303b1e92847d3932c33654d5 (from https://pypi.org/simple/caisson/), version: 0.0.2
    Found link https://files.pythonhosted.org/packages/41/1a/f55a2233406eeb616083661fe63ecc9ea4e6185582ce4242350e20711a4b/caisson-0.0.3-py3-none-any.whl#sha256=5ea9fe98c4fb286923084a040ab3972eea53af9c50865d27866ed1ca4f879e16 (from https://pypi.org/simple/caisson/), version: 0.0.3
    Found link https://files.pythonhosted.org/packages/e5/35/c0013a3ad732de1e4a565dac14f7eedc9ba31283244a52a3ab82375e6e0b/caisson-0.0.3.tar.gz#sha256=1811781437c6333d3bf7e3f78a5e141bf224dc33f0de1749e9d1f08c0a5863f6 (from https://pypi.org/simple/caisson/), version: 0.0.3
    Found link https://files.pythonhosted.org/packages/26/db/89da0f317046ee2a292a1987150df06b95633b6e1f98c4f3719d11cd1b3f/caisson-0.0.4-py3-none-any.whl#sha256=1d6b6c4587ee022b907ad9bea83c6b5d8af4ca1a13c51c5fe5c2186577de45db (from https://pypi.org/simple/caisson/), version: 0.0.4
    Found link https://files.pythonhosted.org/packages/1d/59/abc7f1e40c456694fa2035d7379b933a2f9c4cf7c1de98762b0920167795/caisson-0.0.4.tar.gz#sha256=f9e08f38f3b3a4f895af9dc403070395413c641952c6ec1bcd0a164f3d0dfb9a (from https://pypi.org/simple/caisson/), version: 0.0.4
  Using version 0.0.4 (newest of versions: 0.0.4)
  Created temporary directory: /tmp/pip-unpack-dv81twtr
  Downloading https://files.pythonhosted.org/packages/26/db/89da0f317046ee2a292a1987150df06b95633b6e1f98c4f3719d11cd1b3f/caisson-0.0.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/26/db/89da0f317046ee2a292a1987150df06b95633b6e1f98c4f3719d11cd1b3f/caisson-0.0.4-py3-none-any.whl#sha256=1d6b6c4587ee022b907ad9bea83c6b5d8af4ca1a13c51c5fe5c2186577de45db (from https://pypi.org/simple/caisson/)
  Saved /tmp/tmpe_wzavwj/caisson-0.0.4-py3-none-any.whl
  Added caisson==0.0.4 from https://files.pythonhosted.org/packages/26/db/89da0f317046ee2a292a1987150df06b95633b6e1f98c4f3719d11cd1b3f/caisson-0.0.4-py3-none-any.whl#sha256=1d6b6c4587ee022b907ad9bea83c6b5d8af4ca1a13c51c5fe5c2186577de45db to build tracker '/tmp/pip-req-tracker-7yrchf1o'
  Removed caisson==0.0.4 from https://files.pythonhosted.org/packages/26/db/89da0f317046ee2a292a1987150df06b95633b6e1f98c4f3719d11cd1b3f/caisson-0.0.4-py3-none-any.whl#sha256=1d6b6c4587ee022b907ad9bea83c6b5d8af4ca1a13c51c5fe5c2186577de45db from build tracker '/tmp/pip-req-tracker-7yrchf1o'
Skipping caisson, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-00gkqsgk/caisson
Removed build tracker '/tmp/pip-req-tracker-7yrchf1o'