Created temporary directory: /tmp/pip-ephem-wheel-cache-xmq9ydlm
Created temporary directory: /tmp/pip-req-tracker-02zmn5v3
Created requirements tracker '/tmp/pip-req-tracker-02zmn5v3'
Created temporary directory: /tmp/pip-wheel-pvntwk62
Collecting perfcounters==1.0.3
  1 location(s) to search for versions of perfcounters:
  * https://pypi.org/simple/perfcounters/
  Getting page https://pypi.org/simple/perfcounters/
  Analyzing links from page https://pypi.org/simple/perfcounters/
    Found link https://files.pythonhosted.org/packages/2f/ef/8bc60d68ffb842a7212b2503c1677561e3ab0a6af10f4056006edeefda78/perfcounters-1.0.0-py3-none-any.whl#sha256=58128dccd011a130dab84c21aa36ef03799027c663226acfa14f3c7f371ca533 (from https://pypi.org/simple/perfcounters/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/7b/6d/2a25ad5bb2968b2e49e2fd7d5300a162c1793a3347ec09d188a49e2fe799/perfcounters-1.0.0.tar.gz#sha256=5056b6aead051dcda27422db6e61b56007184cfa1fa3a0c97b94c170d520dce3 (from https://pypi.org/simple/perfcounters/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/82/02/1383e1d80e9681e451130687b6bc5cfa327903021ed12bbe04437df49ed1/perfcounters-1.0.1-py3-none-any.whl#sha256=a54b39cd10c2e7464a417fcbdfb48797a46b910ae1a2ced94979d0316eff62d3 (from https://pypi.org/simple/perfcounters/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/ed/b0/b0ddeb3c3dfdf479deb71a40d060f11e9c42294d5952b46dcd1f046c431b/perfcounters-1.0.1.tar.gz#sha256=80a854862a719d513b5db66cf487748c12afe09e739682c10482b9f4b8d7f7a6 (from https://pypi.org/simple/perfcounters/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/b2/11/9cbcd7249d357f09fc055318983a71459c397cfbba2f358122b8ad96a0fe/perfcounters-1.0.2-py3-none-any.whl#sha256=954fbfe9a42f3f13510e3aad0207a78126a2e12777895f26874ec47b3ba367de (from https://pypi.org/simple/perfcounters/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/d4/8f/c8e3e18fe16f7f64e130b47ba89c052629b4facaee6e7a21bab4e12371d9/perfcounters-1.0.2.tar.gz#sha256=92dd74f4456c7291c4795132d1322f833ae5f2dc5110939af7aa4977dcf1b253 (from https://pypi.org/simple/perfcounters/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/c3/ad/c0524950b9c10e6ef20366515bae82f6b6f277f055fd3eb5331187a22512/perfcounters-1.0.3-py3-none-any.whl#sha256=9c4c557d55e05e0eff28e5a161cfd4e258edabe4759d428e3250d027d3bac3b3 (from https://pypi.org/simple/perfcounters/), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/e2/a8/cc1599ffc08e4645e22fff1fbccf5a30e474dbf6f8352f39b005e1be1110/perfcounters-1.0.3.tar.gz#sha256=7ecd4b0168ae0089ef4ecb9a9860effb79a4248cc5fff94a8d432ae45444d0f5 (from https://pypi.org/simple/perfcounters/), version: 1.0.3
  Using version 1.0.3 (newest of versions: 1.0.3)
  Created temporary directory: /tmp/pip-unpack-4z0ffuic
  Downloading https://files.pythonhosted.org/packages/c3/ad/c0524950b9c10e6ef20366515bae82f6b6f277f055fd3eb5331187a22512/perfcounters-1.0.3-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/c3/ad/c0524950b9c10e6ef20366515bae82f6b6f277f055fd3eb5331187a22512/perfcounters-1.0.3-py3-none-any.whl#sha256=9c4c557d55e05e0eff28e5a161cfd4e258edabe4759d428e3250d027d3bac3b3 (from https://pypi.org/simple/perfcounters/)
  Saved /tmp/tmp59ktck08/perfcounters-1.0.3-py3-none-any.whl
  Added perfcounters==1.0.3 from https://files.pythonhosted.org/packages/c3/ad/c0524950b9c10e6ef20366515bae82f6b6f277f055fd3eb5331187a22512/perfcounters-1.0.3-py3-none-any.whl#sha256=9c4c557d55e05e0eff28e5a161cfd4e258edabe4759d428e3250d027d3bac3b3 to build tracker '/tmp/pip-req-tracker-02zmn5v3'
  Removed perfcounters==1.0.3 from https://files.pythonhosted.org/packages/c3/ad/c0524950b9c10e6ef20366515bae82f6b6f277f055fd3eb5331187a22512/perfcounters-1.0.3-py3-none-any.whl#sha256=9c4c557d55e05e0eff28e5a161cfd4e258edabe4759d428e3250d027d3bac3b3 from build tracker '/tmp/pip-req-tracker-02zmn5v3'
Skipping perfcounters, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-pvntwk62/perfcounters
Removed build tracker '/tmp/pip-req-tracker-02zmn5v3'