Created temporary directory: /tmp/pip-ephem-wheel-cache-3rlyo6lw
Created temporary directory: /tmp/pip-req-tracker-e4ebmux3
Created requirements tracker '/tmp/pip-req-tracker-e4ebmux3'
Created temporary directory: /tmp/pip-wheel-zazgb95g
Collecting mrf==1.0.4
  1 location(s) to search for versions of mrf:
  * https://pypi.org/simple/mrf/
  Getting page https://pypi.org/simple/mrf/
  Analyzing links from page https://pypi.org/simple/mrf/
    Found link https://files.pythonhosted.org/packages/d2/41/0956efb20c36083db748920238a20f5a1a207f2727d23720a5d269fbc468/mrf-1.0.1-py3-none-any.whl#sha256=5eaa7e13ff08190c6136307bf2c8e9fbc3b693ce347e9eaffc9d2fd002d55a4f (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/c4/f8/8824a77e5c1e1899d8a7bdd21fe73f810ef07d43e53350e60a0b69ccf532/mrf-1.0.1.tar.gz#sha256=59ef22c0d1574fba57992805aef9633e4c83bca384637069cbf8de7dff249f7f (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/67/8d/b5464d6af988f932d679602a322a5efca50e599d67c24a762c2ebd97e63e/mrf-1.0.2a0-py3-none-any.whl#sha256=bfa3e78eae09f5856eed6ab54bd68229170af3901f3fcd34fd8d42ae0ce9c8dc (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.2a0
    Skipping link https://files.pythonhosted.org/packages/00/8e/5186dee8d0a8ffac5698c0757e4df088c3e1df8029706a6572def1fc75b5/mrf-1.0.2a0-py3.7.egg#sha256=0b97d19252ed11de51d1e73f9b5c0533ec4ac9e37a78dee15c893f678631dc20 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/52/34/6b042f8505a13b9c70a189c4a184f1412ba9d5e5fa81f2d8c3aaaa139a07/mrf-1.0.2a0.tar.gz#sha256=b6d74774b9e4dca50ddda866614071e7da7274dbc9ff4babb68f8219f78be4b1 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.2a0
    Found link https://files.pythonhosted.org/packages/85/ee/d66d93ffbc38c7f56504662d9fc718d0c835abc7f88dcf86282fb740883d/mrf-1.0.2-py3-none-any.whl#sha256=055227cf8ebb7fea6ad3c2e73070f2ad3eae711f79596723ada85c0d68d4b665 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/e7/56/6c3788b85bec919d4ea8445f4d29e1653de3d22a2e2f89e9153cef65dcb2/mrf-1.0.2.tar.gz#sha256=147cfef6b24eca768f9c6c55cb830e3847b53d849fcffc0908048d0f4411137d (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/64/42/9ab743e7c7af6f6350912125f748d3bc63fbe5ece61cb6a9dbc349d33014/mrf-1.0.3-py3-none-any.whl#sha256=1a0e244ddf18690cab065dcc375fc154d0ea65a8dda31d1df386c439430e6d19 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/71/81/08a9357f308816bb74f7a84e86f59ccc0f56153bb0b8bcb5461307c7f479/mrf-1.0.3.tar.gz#sha256=06bbc5a6e58e1bd9e06ac96c19034e30f626ae8736de43ffdaf687e572339193 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/15/28/f3f2aa1b844c7a21419945c6cf762bf0aa0a0feda3986796bf9585c27343/mrf-1.0.4-py3-none-any.whl#sha256=8464c27e25a4f248c93b37eb30dd14afbd0efd6e73974337f80404215e01eafe (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.4
    Found link https://files.pythonhosted.org/packages/b5/46/c177189fc80f1a623ee7c5499320fdb6c99f8f8cf997accdfbecbeaa8fde/mrf-1.0.4.tar.gz#sha256=b09cb2e88819775aebc3879de1fc4884ebe4e578e5838e11c28d463f45b34e33 (from https://pypi.org/simple/mrf/) (requires-python:>=2.7), version: 1.0.4
  Using version 1.0.4 (newest of versions: 1.0.4)
  Created temporary directory: /tmp/pip-unpack-tatqne04
  Downloading https://files.pythonhosted.org/packages/15/28/f3f2aa1b844c7a21419945c6cf762bf0aa0a0feda3986796bf9585c27343/mrf-1.0.4-py3-none-any.whl (8.1MB)
  Downloading from URL https://files.pythonhosted.org/packages/15/28/f3f2aa1b844c7a21419945c6cf762bf0aa0a0feda3986796bf9585c27343/mrf-1.0.4-py3-none-any.whl#sha256=8464c27e25a4f248c93b37eb30dd14afbd0efd6e73974337f80404215e01eafe (from https://pypi.org/simple/mrf/) (requires-python:>=2.7)
  Saved /tmp/tmpvx7kcox_/mrf-1.0.4-py3-none-any.whl
  Added mrf==1.0.4 from https://files.pythonhosted.org/packages/15/28/f3f2aa1b844c7a21419945c6cf762bf0aa0a0feda3986796bf9585c27343/mrf-1.0.4-py3-none-any.whl#sha256=8464c27e25a4f248c93b37eb30dd14afbd0efd6e73974337f80404215e01eafe to build tracker '/tmp/pip-req-tracker-e4ebmux3'
  Removed mrf==1.0.4 from https://files.pythonhosted.org/packages/15/28/f3f2aa1b844c7a21419945c6cf762bf0aa0a0feda3986796bf9585c27343/mrf-1.0.4-py3-none-any.whl#sha256=8464c27e25a4f248c93b37eb30dd14afbd0efd6e73974337f80404215e01eafe from build tracker '/tmp/pip-req-tracker-e4ebmux3'
Skipping mrf, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-zazgb95g/mrf
Removed build tracker '/tmp/pip-req-tracker-e4ebmux3'