Created temporary directory: /tmp/pip-ephem-wheel-cache-71xcy0db
Created temporary directory: /tmp/pip-req-tracker-u6x_30cx
Created requirements tracker '/tmp/pip-req-tracker-u6x_30cx'
Created temporary directory: /tmp/pip-wheel-ismo2grb
Collecting interface-meta==1.1.1
  1 location(s) to search for versions of interface-meta:
  * https://pypi.org/simple/interface-meta/
  Getting page https://pypi.org/simple/interface-meta/
  Analyzing links from page https://pypi.org/simple/interface-meta/
    Found link https://files.pythonhosted.org/packages/4d/ca/d3578344cc1f9e1e2d93e5a991f748721238499d5f1c61ecff305faa9561/interface_meta-0.1.0.tar.gz#sha256=c68597ae7510c578305222478c58429f7c372d790387187834d8ad25c6dab7d8 (from https://pypi.org/simple/interface-meta/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/26/f8/586399c2001a196944fb37e00562a293bb1e73f30a9b5bdf3593a39e8870/interface_meta-1.0.0.tar.gz#sha256=20f0534b079dfe907183d40ecee94629e57663ab93312e5f0b51e8d0f0007345 (from https://pypi.org/simple/interface-meta/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/5c/c7/19af52a842459a9ba31b67ab39e1046bf0bcc5718a283b639d56eae2df7d/interface_meta-1.0.1.tar.gz#sha256=fe9e9c441b2d0e70177a708245697e89b56b8c2cb61a8752241b53aa2aa2a781 (from https://pypi.org/simple/interface-meta/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/b0/d8/77362d028eea9c1409891c34bb303331f82a51ecceab47f5c9e41c4585f1/interface_meta-1.1.0.tar.gz#sha256=b0191da4067ec941894ab6c1976dd02f5f41102db57ed676addd1bc3779eb4bf (from https://pypi.org/simple/interface-meta/), version: 1.1.0
    Found link https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl#sha256=104002c17b5a01e0c89ebe230af1e7f8d12239b1e840efd4be1d98b1a569d8de (from https://pypi.org/simple/interface-meta/), version: 1.1.1
    Found link https://files.pythonhosted.org/packages/78/8a/2dbe0124240ac24267205e3b83afc4d2c86f289d9689446e97b9a7ae70ff/interface_meta-1.1.1.tar.gz#sha256=d0f3b7bf66892618de0e2ea4acec969d67a6f5f7ec2aa00064af621cfbf15278 (from https://pypi.org/simple/interface-meta/), version: 1.1.1
  Using version 1.1.1 (newest of versions: 1.1.1)
  Created temporary directory: /tmp/pip-unpack-9y4mx97v
  Downloading https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl#sha256=104002c17b5a01e0c89ebe230af1e7f8d12239b1e840efd4be1d98b1a569d8de (from https://pypi.org/simple/interface-meta/)
  Saved /tmp/tmp57vx658_/interface_meta-1.1.1-py2.py3-none-any.whl
  Added interface-meta==1.1.1 from https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl#sha256=104002c17b5a01e0c89ebe230af1e7f8d12239b1e840efd4be1d98b1a569d8de to build tracker '/tmp/pip-req-tracker-u6x_30cx'
  Removed interface-meta==1.1.1 from https://files.pythonhosted.org/packages/ed/af/6fd509aa0ef824627cac3091192baed5d4ff8fd8763b5ea5b3c4a3a76a66/interface_meta-1.1.1-py2.py3-none-any.whl#sha256=104002c17b5a01e0c89ebe230af1e7f8d12239b1e840efd4be1d98b1a569d8de from build tracker '/tmp/pip-req-tracker-u6x_30cx'
Skipping interface-meta, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-ismo2grb/interface-meta
Removed build tracker '/tmp/pip-req-tracker-u6x_30cx'