Created temporary directory: /tmp/pip-ephem-wheel-cache-23kmd123
Created temporary directory: /tmp/pip-req-tracker-yh9qrwfh
Created requirements tracker '/tmp/pip-req-tracker-yh9qrwfh'
Created temporary directory: /tmp/pip-wheel-u0a9jzo2
Collecting upref==1.0.13
  1 location(s) to search for versions of upref:
  * https://pypi.org/simple/upref/
  Getting page https://pypi.org/simple/upref/
  Analyzing links from page https://pypi.org/simple/upref/
    Found link https://files.pythonhosted.org/packages/b2/b6/23b4299203d201e661ec461015867fede15c288c333cf13f506a1427628f/upref-1.0.0-py3-none-any.whl#sha256=12314d322c6684df6efced53d16f43f722c35bee120bac2a4eb896591b7f0a4c (from https://pypi.org/simple/upref/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/c0/a6/50a02eae9a17deec8e14751dcc70dee452f71ad7e440bac23165912ee56c/upref-1.0.1-py3-none-any.whl#sha256=df2e3860badd46a4cdb8686487fdfffff434e0fe342b027edb2413e69720d527 (from https://pypi.org/simple/upref/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/50/ee/5fbf20ae2e3e154dfb1d84a859cd64c0795cda6c972963e702a8289b1c16/upref-1.0.2-py3-none-any.whl#sha256=987a4840ae88d3c8c13e0c3a42c6d9dd71b68770530a54df8125c8a5b21f3e20 (from https://pypi.org/simple/upref/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/2a/cf/0ba1dbfda00ee13c054c7b6bf59d7775a9e16610217b315e8bfd1abf84ee/upref-1.0.3-py3-none-any.whl#sha256=11edea62de947b4dc2ae7557bb1768fd1e642539a8a10e1358a47dc34591b116 (from https://pypi.org/simple/upref/), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl#sha256=d3b000ec9d0e7ceca8bc8681889ef8e95aac32d7d1ffc57189e3d12f9ffdb32d (from https://pypi.org/simple/upref/), version: 1.0.9
    Found link https://files.pythonhosted.org/packages/e8/d1/62f32548e41adaea9fed2e1cc2e437d34fb5071564a75f8042717236777b/upref-1.0.9.tar.gz#sha256=f8acaba66a499883411a10083b962cc06a7e0c450cf073187a7716da56ca4624 (from https://pypi.org/simple/upref/), version: 1.0.9
    Found link https://files.pythonhosted.org/packages/6c/87/96b7c92ae507054c68eba1e7df6957559c42f01633ff9f00ab4424f2a98c/upref-1.0.10-py2.py3-none-any.whl#sha256=790a4b28b3ed49c03175a24843bc42dc305b726cad10b2e508664ce9a10f1979 (from https://pypi.org/simple/upref/), version: 1.0.10
    Found link https://files.pythonhosted.org/packages/38/16/a5a27368ee54951ff452a8da8c71f78bda5cef89b84dca702b240203383b/upref-1.0.10.tar.gz#sha256=671aa051c25f3433e1ead72eb74cb48a20523e2009e619e7e920156465f0beeb (from https://pypi.org/simple/upref/), version: 1.0.10
    Found link https://files.pythonhosted.org/packages/aa/32/96181f36b1fd45dd74ab57b272e2f897ab0473205d2c99f0a080264977c8/upref-1.0.12-py2.py3-none-any.whl#sha256=76a9072a5fb7efee0ed2372b3b617a02f09d1abeba664ce704b662d4ccee5701 (from https://pypi.org/simple/upref/), version: 1.0.12
    Found link https://files.pythonhosted.org/packages/8a/6c/ab44b980dadaadefc3d925adb4a1cded13b264a39f21627bcb6f4a7fc5f9/upref-1.0.12.tar.gz#sha256=1b69ce6e818b8940f04c96a50386c7b51843d3afdf421f144041a8d41b4c50e8 (from https://pypi.org/simple/upref/), version: 1.0.12
    Found link https://files.pythonhosted.org/packages/12/16/cac589803d6f3268b3babe632009d81be2224933b69ae750de5e2bb96598/upref-1.0.13-py2.py3-none-any.whl#sha256=88b5e6678dc9bbcc8ea04862b358387f491ca58c3eaeac60785cb5dfc9bc84e6 (from https://pypi.org/simple/upref/), version: 1.0.13
    Found link https://files.pythonhosted.org/packages/0b/24/c8f676b147d1c6fc22242b8242683b0f3a906a8a121a9742468500133b7d/upref-1.0.13.tar.gz#sha256=27b9cf0ad3dd4c50e0a8316750de94a3fd35a1ed57b914d3a3c7c4d11a02aef6 (from https://pypi.org/simple/upref/), version: 1.0.13
  Using version 1.0.13 (newest of versions: 1.0.13)
  Created temporary directory: /tmp/pip-unpack-_i_9dp25
  Downloading https://files.pythonhosted.org/packages/12/16/cac589803d6f3268b3babe632009d81be2224933b69ae750de5e2bb96598/upref-1.0.13-py2.py3-none-any.whl (158kB)
  Downloading from URL https://files.pythonhosted.org/packages/12/16/cac589803d6f3268b3babe632009d81be2224933b69ae750de5e2bb96598/upref-1.0.13-py2.py3-none-any.whl#sha256=88b5e6678dc9bbcc8ea04862b358387f491ca58c3eaeac60785cb5dfc9bc84e6 (from https://pypi.org/simple/upref/)
  Saved /tmp/tmpsr14jgu2/upref-1.0.13-py2.py3-none-any.whl
  Added upref==1.0.13 from https://files.pythonhosted.org/packages/12/16/cac589803d6f3268b3babe632009d81be2224933b69ae750de5e2bb96598/upref-1.0.13-py2.py3-none-any.whl#sha256=88b5e6678dc9bbcc8ea04862b358387f491ca58c3eaeac60785cb5dfc9bc84e6 to build tracker '/tmp/pip-req-tracker-yh9qrwfh'
  Removed upref==1.0.13 from https://files.pythonhosted.org/packages/12/16/cac589803d6f3268b3babe632009d81be2224933b69ae750de5e2bb96598/upref-1.0.13-py2.py3-none-any.whl#sha256=88b5e6678dc9bbcc8ea04862b358387f491ca58c3eaeac60785cb5dfc9bc84e6 from build tracker '/tmp/pip-req-tracker-yh9qrwfh'
Skipping upref, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-u0a9jzo2/upref
Removed build tracker '/tmp/pip-req-tracker-yh9qrwfh'