Created temporary directory: /tmp/pip-ephem-wheel-cache-dsb3e9fu
Created temporary directory: /tmp/pip-req-tracker-q5i6jb8q
Created requirements tracker '/tmp/pip-req-tracker-q5i6jb8q'
Created temporary directory: /tmp/pip-wheel-vva_r_f8
Collecting gpflow-old==0.5
  1 location(s) to search for versions of gpflow-old:
  * https://pypi.org/simple/gpflow-old/
  Getting page https://pypi.org/simple/gpflow-old/
  Analyzing links from page https://pypi.org/simple/gpflow-old/
    Found link https://files.pythonhosted.org/packages/dd/8f/d640e662629a9b18d1f30374c7f267a998a6b840e93777c9eb7b26d8e2f7/gpflow-old-0.5.tar.gz#sha256=46b9aa1b262d0a77bef1d4ea7f90bc4594899ce72461cae3c4ed2d10a46c929d (from https://pypi.org/simple/gpflow-old/), version: 0.5
    Found link https://files.pythonhosted.org/packages/79/e3/c4bfdabbb517fcc10f22131757ab2cdfe4e73f85ff0f10ef94cabd68f1ba/gpflow_old-0.5-py3-none-any.whl#sha256=7e6ace606dadb997cf96daa0af5c718b0d1fce237110a57c9b75052466e40a5d (from https://pypi.org/simple/gpflow-old/), version: 0.5
  Using version 0.5 (newest of versions: 0.5)
  Created temporary directory: /tmp/pip-unpack-is5itewe
  Downloading https://files.pythonhosted.org/packages/79/e3/c4bfdabbb517fcc10f22131757ab2cdfe4e73f85ff0f10ef94cabd68f1ba/gpflow_old-0.5-py3-none-any.whl (78kB)
  Downloading from URL https://files.pythonhosted.org/packages/79/e3/c4bfdabbb517fcc10f22131757ab2cdfe4e73f85ff0f10ef94cabd68f1ba/gpflow_old-0.5-py3-none-any.whl#sha256=7e6ace606dadb997cf96daa0af5c718b0d1fce237110a57c9b75052466e40a5d (from https://pypi.org/simple/gpflow-old/)
  Saved /tmp/tmp_hsk3g0p/gpflow_old-0.5-py3-none-any.whl
  Added gpflow-old==0.5 from https://files.pythonhosted.org/packages/79/e3/c4bfdabbb517fcc10f22131757ab2cdfe4e73f85ff0f10ef94cabd68f1ba/gpflow_old-0.5-py3-none-any.whl#sha256=7e6ace606dadb997cf96daa0af5c718b0d1fce237110a57c9b75052466e40a5d to build tracker '/tmp/pip-req-tracker-q5i6jb8q'
  Removed gpflow-old==0.5 from https://files.pythonhosted.org/packages/79/e3/c4bfdabbb517fcc10f22131757ab2cdfe4e73f85ff0f10ef94cabd68f1ba/gpflow_old-0.5-py3-none-any.whl#sha256=7e6ace606dadb997cf96daa0af5c718b0d1fce237110a57c9b75052466e40a5d from build tracker '/tmp/pip-req-tracker-q5i6jb8q'
Skipping gpflow-old, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-vva_r_f8/gpflow-old
Removed build tracker '/tmp/pip-req-tracker-q5i6jb8q'