Created temporary directory: /tmp/pip-ephem-wheel-cache-dmhrm032
Created temporary directory: /tmp/pip-req-tracker-8mjj603e
Created requirements tracker '/tmp/pip-req-tracker-8mjj603e'
Created temporary directory: /tmp/pip-wheel-07xw2o7j
Collecting opam==1.0.6
  1 location(s) to search for versions of opam:
  * https://pypi.org/simple/opam/
  Getting page https://pypi.org/simple/opam/
  Analyzing links from page https://pypi.org/simple/opam/
    The package https://files.pythonhosted.org/packages/a0/62/8ef1157bb8fe6d16bc457cee42fd319e172ad2c711b8cee66198f0bae3ff/opam-1.0.0.tar.gz#sha256=c149b7674a65f4827f8a181b31f4112dc865534ed0175dc3ce87afaf21067fa2 (from https://pypi.org/simple/opam/) (requires-python:>=3.6) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.6
    The package https://files.pythonhosted.org/packages/5a/3c/7cdf3f2f172827e91b18309da7fae1585918f54f9a86bc5dd6074bf2fb8f/opam-1.0.1.tar.gz#sha256=7cdffb0e17a11ddc70f645155a4a7519489d86e9fcacf723b686026d7d4d640a (from https://pypi.org/simple/opam/) (requires-python:>=3.6) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.6
    The package https://files.pythonhosted.org/packages/96/cb/d2fbb37f28ed4554b760c2c232eb37285fba1229c8b5c7997dba2096f932/opam-1.0.3.tar.gz#sha256=c05821bbc96867c6b14fc150b0c254ef7f9acdaf2c252cbc350fbd59d88954a0 (from https://pypi.org/simple/opam/) (requires-python:>=3.6) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.6
    The package https://files.pythonhosted.org/packages/98/f5/75f2f4be15612e8579bd4778fa79ce6f4508ec376184f8db3d1738014c3e/opam-1.0.4.tar.gz#sha256=93047d00bafe7032a3601f207cd4079144598a6be426adcf823374cf722436c0 (from https://pypi.org/simple/opam/) (requires-python:>=3.6) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.6
    Skipping link https://files.pythonhosted.org/packages/55/fe/b8faad788258c6c1f1390688085864aed4573335efa9b2016bea525fa19a/opam-1.0.5-py2-none-any.whl#sha256=db5ec0ac62cc364597ead149a300b6a638ac7a7299ba5ad8d743aff3ea92100f (from https://pypi.org/simple/opam/) (requires-python:>=2.6); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/e3/19/eda5b47f9d271fa6c3812c129e42258aa66d51399e8c785bd7a432cebb2b/opam-1.0.5-py3-none-any.whl#sha256=8cf9ae99af24af5ccca3a999d72cff953d096af9fd4a354513db676ff4d09f41 (from https://pypi.org/simple/opam/) (requires-python:>=2.6), version: 1.0.5
    Found link https://files.pythonhosted.org/packages/c8/da/a517bc6470a8b716756608d0ad83429b0607e4f1fff1e93dce227d54aec8/opam-1.0.5.tar.gz#sha256=c9297777cc126b2880818ec5a7adb882c140b76b71e4326d5d91510c30640c91 (from https://pypi.org/simple/opam/) (requires-python:>=2.6), version: 1.0.5
    Skipping link https://files.pythonhosted.org/packages/ae/b2/912092184dff9c68b871dc9770836d600761d3a7750cf4a2432a18b74e1c/opam-1.0.6-py2-none-any.whl#sha256=f89883dcd1f0b6994c8b36c0b29178ba48642f81b3cb626bbfe1f319121b9027 (from https://pypi.org/simple/opam/) (requires-python:>=2.6); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/f1/61/2eadf56da86ada36b5b17f8fee080220fe19a690561adf9827ccbd7faee8/opam-1.0.6-py3-none-any.whl#sha256=b259d9164a71b0c643b1537234338429df9bc41259bc20125059b73969c94192 (from https://pypi.org/simple/opam/) (requires-python:>=2.6), version: 1.0.6
    Found link https://files.pythonhosted.org/packages/33/62/fdab421049886e04a346091f6f583be796df1e923813900521147adf4c8e/opam-1.0.6.tar.gz#sha256=347e9d84bc7427152eff6eab362c519ddd93ce1aec9151d62af41bbcd6dda49e (from https://pypi.org/simple/opam/) (requires-python:>=2.6), version: 1.0.6
  Using version 1.0.6 (newest of versions: 1.0.6)
  Created temporary directory: /tmp/pip-unpack-09cgbndy
  Downloading https://files.pythonhosted.org/packages/f1/61/2eadf56da86ada36b5b17f8fee080220fe19a690561adf9827ccbd7faee8/opam-1.0.6-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/f1/61/2eadf56da86ada36b5b17f8fee080220fe19a690561adf9827ccbd7faee8/opam-1.0.6-py3-none-any.whl#sha256=b259d9164a71b0c643b1537234338429df9bc41259bc20125059b73969c94192 (from https://pypi.org/simple/opam/) (requires-python:>=2.6)
  Saved /tmp/tmpjni724l6/opam-1.0.6-py3-none-any.whl
  Added opam==1.0.6 from https://files.pythonhosted.org/packages/f1/61/2eadf56da86ada36b5b17f8fee080220fe19a690561adf9827ccbd7faee8/opam-1.0.6-py3-none-any.whl#sha256=b259d9164a71b0c643b1537234338429df9bc41259bc20125059b73969c94192 to build tracker '/tmp/pip-req-tracker-8mjj603e'
  Removed opam==1.0.6 from https://files.pythonhosted.org/packages/f1/61/2eadf56da86ada36b5b17f8fee080220fe19a690561adf9827ccbd7faee8/opam-1.0.6-py3-none-any.whl#sha256=b259d9164a71b0c643b1537234338429df9bc41259bc20125059b73969c94192 from build tracker '/tmp/pip-req-tracker-8mjj603e'
Skipping opam, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-07xw2o7j/opam
Removed build tracker '/tmp/pip-req-tracker-8mjj603e'