Created temporary directory: /tmp/pip-ephem-wheel-cache-2bem0pvw
Created temporary directory: /tmp/pip-req-tracker-ptxvii7j
Created requirements tracker '/tmp/pip-req-tracker-ptxvii7j'
Created temporary directory: /tmp/pip-wheel-m2qj83s_
Collecting crawler-core==1.3
  1 location(s) to search for versions of crawler-core:
  * https://pypi.org/simple/crawler-core/
  Getting page https://pypi.org/simple/crawler-core/
  Analyzing links from page https://pypi.org/simple/crawler-core/
    Found link https://files.pythonhosted.org/packages/37/c4/7969aea7339fda59d6f0f7e4dd0cd2f65b3d566294a7186d2ced5a63ae33/crawler_core-1.0-py3-none-any.whl#sha256=7790e5bb66fc18e95f1c1c47307404877332471e0fedb9a3dbda4646443544a1 (from https://pypi.org/simple/crawler-core/), version: 1.0
    Skipping link https://files.pythonhosted.org/packages/33/f1/4892dc5777de8cffc5002dc2a06225d11ea40473b2ef027417c64ddfece8/crawler_core-1.0-py3.6.egg#sha256=da5b452a74c62e0d1523d4223781c13d92781dc61cc2acebcaabc8ee950355b8 (from https://pypi.org/simple/crawler-core/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/0c/47/46a4288de450cca4a40f3a3fe3135c9dfc1f4a22f84c6192377f260f9a12/crawler_core-1.0.tar.gz#sha256=5cd985db870c036b891f36efaa8c004ba8bf72a60feeaddd471f30d8b6c0d071 (from https://pypi.org/simple/crawler-core/), version: 1.0
    Found link https://files.pythonhosted.org/packages/14/2f/3dc2cefdccb8ae0a7fdbbd02f2aecd23b0add14237d3ae7d8d4466854243/crawler_core-1.1-py3-none-any.whl#sha256=6c3137f118433b1a371184de0d837485f070abef197d7ebf07080d59687de097 (from https://pypi.org/simple/crawler-core/), version: 1.1
    Skipping link https://files.pythonhosted.org/packages/b2/81/1a87d444229174cf86f3b5505325ad96c8c03a626d4b37686fe36ce059fa/crawler_core-1.1-py3.6.egg#sha256=ffe5b21a1a8788d4dc83fa18fba07225e1c9559910806e4ebe6a47f46c81e75a (from https://pypi.org/simple/crawler-core/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/6f/e2/2882efd714e0ef165287f7a5aace4cf19be027bea00e29f095acfa0752cf/crawler_core-1.1.tar.gz#sha256=d9517ec78930f13d898128fc055e7954369fcc21b0c2708fa270b5dde2558f8a (from https://pypi.org/simple/crawler-core/), version: 1.1
    Found link https://files.pythonhosted.org/packages/eb/2f/ba62e8090789e15a4e58c38b1d92709609fb4ff58d6507e90a7e553aa34f/crawler_core-1.2-py3-none-any.whl#sha256=5ad25b845d8ad5a012e983e823a33530a031c66c8df48eb2ca83eeef4b0c5c1a (from https://pypi.org/simple/crawler-core/), version: 1.2
    Skipping link https://files.pythonhosted.org/packages/9d/91/03e4651318635184f5fee9be1471fbb4c8c65ee6a6c172394ae3c720b7d8/crawler_core-1.2-py3.6.egg#sha256=6335a37ac9a9e8f9258e229f4f58d5b09f9c0e8c9df0fba42c28af9d15aa145b (from https://pypi.org/simple/crawler-core/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/35/db/5cab44b6a0521a4264ed1e859e64281e1b4ef7111fcb324fc7873bbee708/crawler_core-1.2.tar.gz#sha256=dae82e531f3ed3f376fb24c41418c76868ea3dbb0c5711e066be526f5db7f42b (from https://pypi.org/simple/crawler-core/), version: 1.2
    Found link https://files.pythonhosted.org/packages/bf/a1/67698f72ac0808ff1507882c508bda15a2d0bb70585541acbecadba91670/crawler_core-1.3-py3-none-any.whl#sha256=ca20dec90af0ab67ebf12d052b9ead11af8754536b3583e56a8bc4c2d7d2c6e6 (from https://pypi.org/simple/crawler-core/), version: 1.3
    Found link https://files.pythonhosted.org/packages/35/32/f3ebe69c0dca7cc8f03a50b1141139e6dbdd607cb5f893150d96e5365ad3/crawler_core-1.3.tar.gz#sha256=8bdd64e29373a905071b52876d1910cc8d51d62e41a19eda57f4686319d6d7dd (from https://pypi.org/simple/crawler-core/), version: 1.3
  Using version 1.3 (newest of versions: 1.3)
  Created temporary directory: /tmp/pip-unpack-xro713j9
  Downloading https://files.pythonhosted.org/packages/bf/a1/67698f72ac0808ff1507882c508bda15a2d0bb70585541acbecadba91670/crawler_core-1.3-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/bf/a1/67698f72ac0808ff1507882c508bda15a2d0bb70585541acbecadba91670/crawler_core-1.3-py3-none-any.whl#sha256=ca20dec90af0ab67ebf12d052b9ead11af8754536b3583e56a8bc4c2d7d2c6e6 (from https://pypi.org/simple/crawler-core/)
  Saved /tmp/tmptl7o8cik/crawler_core-1.3-py3-none-any.whl
  Added crawler-core==1.3 from https://files.pythonhosted.org/packages/bf/a1/67698f72ac0808ff1507882c508bda15a2d0bb70585541acbecadba91670/crawler_core-1.3-py3-none-any.whl#sha256=ca20dec90af0ab67ebf12d052b9ead11af8754536b3583e56a8bc4c2d7d2c6e6 to build tracker '/tmp/pip-req-tracker-ptxvii7j'
  Removed crawler-core==1.3 from https://files.pythonhosted.org/packages/bf/a1/67698f72ac0808ff1507882c508bda15a2d0bb70585541acbecadba91670/crawler_core-1.3-py3-none-any.whl#sha256=ca20dec90af0ab67ebf12d052b9ead11af8754536b3583e56a8bc4c2d7d2c6e6 from build tracker '/tmp/pip-req-tracker-ptxvii7j'
Skipping crawler-core, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-m2qj83s_/crawler-core
Removed build tracker '/tmp/pip-req-tracker-ptxvii7j'