Created temporary directory: /tmp/pip-ephem-wheel-cache-cktzb1o0
Created temporary directory: /tmp/pip-req-tracker-_sqqww46
Created requirements tracker '/tmp/pip-req-tracker-_sqqww46'
Created temporary directory: /tmp/pip-wheel-fxyokjzb
Collecting zc.lockfile==2.0
  1 location(s) to search for versions of zc.lockfile:
  * https://pypi.org/simple/zc-lockfile/
  Getting page https://pypi.org/simple/zc-lockfile/
  Analyzing links from page https://pypi.org/simple/zc-lockfile/
    Found link https://files.pythonhosted.org/packages/70/fa/87798cd88d00418cdf43cf94bc126f5c6d1efc2d7cfaed1de7e3099cbff0/zc.lockfile-1.0.0b1.tar.gz#sha256=5c08a7c651f52c046bf92df27894d60342177b219f86b4c4eb90f7cb9c53d028 (from https://pypi.org/simple/zc-lockfile/), version: 1.0.0b1
    Found link https://files.pythonhosted.org/packages/fe/cf/7e0d2764a100f3ca26ad348039593f2c699a9299c4474f84484055ac0b11/zc.lockfile-1.0.0.tar.gz#sha256=1f170e46eff20ae6c81cad5465f26702f3d3435e0511fb7983cd61a6ed84d5c0 (from https://pypi.org/simple/zc-lockfile/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/e2/8d/fa7aab5b03a96bb6a90facb6fb37a83985e83fc1866c265a8d2b271749cd/zc.lockfile-1.0.1.tar.gz#sha256=4698b5d90234fff41e585420aec9206aa4c9f783818f7a263ab31f52ead73d34 (from https://pypi.org/simple/zc-lockfile/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/ed/80/412ad00eb5dc988d1b1f2307e70b3b3d9fb6cf1b0ca69fb989c8a06a558b/zc.lockfile-1.0.2.tar.gz#sha256=96bb2aa0438f3e29a31e4702316f832ec1482837daef729a92e28c202d8fba5c (from https://pypi.org/simple/zc-lockfile/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/87/11/885923d10a17a88dd8f8c9cb7dbc20830d6a630bc311dc9cd4faa343f75d/zc.lockfile-1.1.0.zip#sha256=1489ff1c4f655420793c46af5b427537e62435b02e83e92d7f74a73ed8a56198 (from https://pypi.org/simple/zc-lockfile/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/23/c7/b17e6fe624d0e7c581ca4392b4811d534ff82e036cbe9993a278a38c8aae/zc.lockfile-1.2.0.tar.gz#sha256=072f47bae2b9bf7aec8e30448f475172d74c6c7d6b54dd7304e31f3fad6ee4f4 (from https://pypi.org/simple/zc-lockfile/), version: 1.2.0
    Found link https://files.pythonhosted.org/packages/bd/84/0299bbabbc9d3f84f718ba1039cc068030d3ad723c08f82a64337edf901e/zc.lockfile-1.2.1.tar.gz#sha256=11db91ada7f22fe8aae268d4bfdeae012c4fe655f66bbb315b00822ec00d043e (from https://pypi.org/simple/zc-lockfile/), version: 1.2.1
    Found link https://files.pythonhosted.org/packages/f5/fe/efb94907d8b2b81c3beab1bd628ff67e310d82816b94aa00b52062727ea9/zc.lockfile-1.3.0.tar.gz#sha256=96cb13769e042988ea25d23d44cf09342ea0f887083d0f9736968f3617665853 (from https://pypi.org/simple/zc-lockfile/), version: 1.3.0
    Found link https://files.pythonhosted.org/packages/58/c2/d7c89bdad237b4b7837609172be3e8bf5630796c0020494a15b97ece8eb1/zc.lockfile-1.4.tar.gz#sha256=95a8e3846937ab2991b61703d6e0251d5abb9604e18412e2714e1b90db173253 (from https://pypi.org/simple/zc-lockfile/), version: 1.4
    Found link https://files.pythonhosted.org/packages/6c/2a/268389776288f0f26c7272c70c36c96dcc0bdb88ab6216ea18e19df1fadd/zc.lockfile-2.0-py2.py3-none-any.whl#sha256=cc33599b549f0c8a248cb72f3bf32d77712de1ff7ee8814312eb6456b42c015f (from https://pypi.org/simple/zc-lockfile/), version: 2.0
    Found link https://files.pythonhosted.org/packages/11/98/f21922d501ab29d62665e7460c94f5ed485fd9d8348c126697947643a881/zc.lockfile-2.0.tar.gz#sha256=307ad78227e48be260e64896ec8886edc7eae22d8ec53e4d528ab5537a83203b (from https://pypi.org/simple/zc-lockfile/), version: 2.0
  Using version 2.0 (newest of versions: 2.0)
  Created temporary directory: /tmp/pip-unpack-7x2hbsx7
  Downloading https://files.pythonhosted.org/packages/6c/2a/268389776288f0f26c7272c70c36c96dcc0bdb88ab6216ea18e19df1fadd/zc.lockfile-2.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/6c/2a/268389776288f0f26c7272c70c36c96dcc0bdb88ab6216ea18e19df1fadd/zc.lockfile-2.0-py2.py3-none-any.whl#sha256=cc33599b549f0c8a248cb72f3bf32d77712de1ff7ee8814312eb6456b42c015f (from https://pypi.org/simple/zc-lockfile/)
  Saved /tmp/tmpjrhcttgt/zc.lockfile-2.0-py2.py3-none-any.whl
  Added zc.lockfile==2.0 from https://files.pythonhosted.org/packages/6c/2a/268389776288f0f26c7272c70c36c96dcc0bdb88ab6216ea18e19df1fadd/zc.lockfile-2.0-py2.py3-none-any.whl#sha256=cc33599b549f0c8a248cb72f3bf32d77712de1ff7ee8814312eb6456b42c015f to build tracker '/tmp/pip-req-tracker-_sqqww46'
  Removed zc.lockfile==2.0 from https://files.pythonhosted.org/packages/6c/2a/268389776288f0f26c7272c70c36c96dcc0bdb88ab6216ea18e19df1fadd/zc.lockfile-2.0-py2.py3-none-any.whl#sha256=cc33599b549f0c8a248cb72f3bf32d77712de1ff7ee8814312eb6456b42c015f from build tracker '/tmp/pip-req-tracker-_sqqww46'
Skipping zc.lockfile, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-fxyokjzb/zc.lockfile
Removed build tracker '/tmp/pip-req-tracker-_sqqww46'