Created temporary directory: /tmp/pip-ephem-wheel-cache-qdmz3s08
Created temporary directory: /tmp/pip-req-tracker-qmsq1oo2
Created requirements tracker '/tmp/pip-req-tracker-qmsq1oo2'
Created temporary directory: /tmp/pip-wheel-lsqvltph
Collecting scons==3.1.0
  1 location(s) to search for versions of scons:
  * https://pypi.org/simple/scons/
  Getting page https://pypi.org/simple/scons/
  Analyzing links from page https://pypi.org/simple/scons/
    Found link https://files.pythonhosted.org/packages/d5/7b/0bf656067cb9ebeeaf0c3495cce9c41c3c61278441e47a540931dc1caba9/SCons-2.3.0.tar.gz#sha256=18d71f95ce473f831e03b2ed8b00988ab5c0290c5347fde8d56d70a96181b795 (from https://pypi.org/simple/scons/), version: 2.3.0
    Found link https://files.pythonhosted.org/packages/92/7d/89f327cbb86c9319c67483c455b297265985ca67259cdafc95fe657ba845/scons-2.3.6.tar.gz#sha256=0feb6407cd3627b3029d598d242d225bc60ab33eb1d05851f0ddd7070b501019 (from https://pypi.org/simple/scons/), version: 2.3.6
    Found link https://files.pythonhosted.org/packages/33/6a/dbdb9ca54f50929413afc052084db1a5b14a8625a8517ece2e56fa4d6068/scons-2.4.1.tar.gz#sha256=774f394044018d7e3010aefd84d09b245553da1ada138f5bb6b139aea0771b63 (from https://pypi.org/simple/scons/), version: 2.4.1
    Found link https://files.pythonhosted.org/packages/17/f0/60464796a3fd16899a2cf54e22615c38bbe8124386cf3763c17ff367c2af/scons-2.5.0.tar.gz#sha256=01f1b3d6023516a8e1b5e77799e5a82a23b32953b1102d339059ffeca8600493 (from https://pypi.org/simple/scons/), version: 2.5.0
    Found link https://files.pythonhosted.org/packages/2c/ee/a9601b958c94e93410e635a5d67ed95300998ffdc36127b16d322b054ff0/scons-2.5.1.tar.gz#sha256=c8de85fc02ed1a687b1f2ac791eaa0c1707b4382a204f17d782b5b111b9fdf07 (from https://pypi.org/simple/scons/), version: 2.5.1
    Skipping link https://files.pythonhosted.org/packages/03/75/47770e67f3ae145bb17cdfbbba7e9ae26671d9141e28d63d3ef1268419ca/scons-2.5.1.win-amd64.exe#sha256=db938fb035392bb72d7abd0168751999ace00d9c03607f1af32c2df6dd1ab241 (from https://pypi.org/simple/scons/); unsupported archive format: .exe
    Skipping link https://files.pythonhosted.org/packages/f0/b2/4c27ec555996fa0ecf6341580adadf358d94421d29e0f1214e901a474bd2/scons-2.5.1.win32.exe#sha256=f2540bfeea307f5383c9de1257f5d123c85c9a5e4b3b3f8483d7e60c62685446 (from https://pypi.org/simple/scons/); unsupported archive format: .exe
    Found link https://files.pythonhosted.org/packages/ba/81/060e15c7cb485cb7e03512a3aada691e867d4b821c05e3cd1ffc1b48ab7c/scons-3.0.0.tar.gz#sha256=aa5afb33c2bbd33c311e47e912412195739e9ffb2e933534a31f85fba8f3470e (from https://pypi.org/simple/scons/), version: 3.0.0
    Found link https://files.pythonhosted.org/packages/c1/0a/520a3c86ce5cff36e81af5e91d4dcd741ebc189c2f0f42d54cc12a8a7519/scons-3.0.1.tar.gz#sha256=24475e38d39c19683bc88054524df018fe6949d70fbd4c69e298d39a0269f173 (from https://pypi.org/simple/scons/), version: 3.0.1
    Found link https://files.pythonhosted.org/packages/1a/95/60883013117026e6b4978c695023261aea03139324f1c2e87325a2e18d1a/scons-3.0.3-py2.py3-none-any.whl#sha256=7a86b707253770766ce2fcacb5bac7c48df8c34f3d3ad3319aab4b5dd459a4c8 (from https://pypi.org/simple/scons/), version: 3.0.3
    Found link https://files.pythonhosted.org/packages/3f/b0/b8cf754d26726067fbcfa6ef87393ffef24f872d63bdb0371b28f831c48d/scons-3.0.3.tar.gz#sha256=dd878332a77c0f41414e33d332186bc459f3b776dfc98863352e8436af5befe2 (from https://pypi.org/simple/scons/), version: 3.0.3
    Found link https://files.pythonhosted.org/packages/13/31/43b96f5b79731468a6731e4dbc71601f67fdeddad053bd4f1d1e2f0dbeec/scons-3.0.4-py2.py3-none-any.whl#sha256=ed5939fcd9c6aa196e054026501627a28e9fe08e3afc57237713fcfd69d2b857 (from https://pypi.org/simple/scons/), version: 3.0.4
    Found link https://files.pythonhosted.org/packages/ef/67/6d9377537bc2888039ab612d8978d66c3ebed99b7a6c313bc0f717fd474a/scons-3.0.4.tar.gz#sha256=72c0b56db84f40d3558f351918a0ab98cb4345e8696e879d3e271f4df4a5913c (from https://pypi.org/simple/scons/), version: 3.0.4
    Found link https://files.pythonhosted.org/packages/65/41/ac58638421414acc64e26fc120c81c12bc2b1ebcea9e7e0939149878f0a3/scons-3.0.5-py2.py3-none-any.whl#sha256=8c2353ae3ce559e9361baa254c0c85d3eb099d5f96e44b5bc586801b7c756a06 (from https://pypi.org/simple/scons/), version: 3.0.5
    Found link https://files.pythonhosted.org/packages/44/01/ccf7c33d7afd4c1ae53884b2dd6a19d3558b438dd3898b423530f1a68d51/scons-3.0.5.tar.gz#sha256=e95eaae17d9e490cf12cd37f091a6cbee8a628b5c8dbd3cab1f348f602f46462 (from https://pypi.org/simple/scons/), version: 3.0.5
    Found link https://files.pythonhosted.org/packages/27/f8/9f5b901eb29ba8529568a5af44c36c269f683e8f6f641040fbec7eb8755f/scons-3.1.0-py2.py3-none-any.whl#sha256=84ff89dc0509420ed76c16a8f18076a572dc1f88d51fe5ada01fce5df5cbbbf9 (from https://pypi.org/simple/scons/), version: 3.1.0
    Found link https://files.pythonhosted.org/packages/ca/e3/a546aa8f07592ef79ac2532544db8f4978e5da397d916818d1d4e0241087/scons-3.1.0.tar.gz#sha256=94e0d0684772d3e6d9368785296716e0ed6ce757270b3ed814e5aa72d3163890 (from https://pypi.org/simple/scons/), version: 3.1.0
  Using version 3.1.0 (newest of versions: 3.1.0)
  Created temporary directory: /tmp/pip-unpack-tppjkzbu
  Downloading https://files.pythonhosted.org/packages/27/f8/9f5b901eb29ba8529568a5af44c36c269f683e8f6f641040fbec7eb8755f/scons-3.1.0-py2.py3-none-any.whl (836kB)
  Downloading from URL https://files.pythonhosted.org/packages/27/f8/9f5b901eb29ba8529568a5af44c36c269f683e8f6f641040fbec7eb8755f/scons-3.1.0-py2.py3-none-any.whl#sha256=84ff89dc0509420ed76c16a8f18076a572dc1f88d51fe5ada01fce5df5cbbbf9 (from https://pypi.org/simple/scons/)
  Saved /tmp/tmp1tx65guq/scons-3.1.0-py2.py3-none-any.whl
  Added scons==3.1.0 from https://files.pythonhosted.org/packages/27/f8/9f5b901eb29ba8529568a5af44c36c269f683e8f6f641040fbec7eb8755f/scons-3.1.0-py2.py3-none-any.whl#sha256=84ff89dc0509420ed76c16a8f18076a572dc1f88d51fe5ada01fce5df5cbbbf9 to build tracker '/tmp/pip-req-tracker-qmsq1oo2'
  Removed scons==3.1.0 from https://files.pythonhosted.org/packages/27/f8/9f5b901eb29ba8529568a5af44c36c269f683e8f6f641040fbec7eb8755f/scons-3.1.0-py2.py3-none-any.whl#sha256=84ff89dc0509420ed76c16a8f18076a572dc1f88d51fe5ada01fce5df5cbbbf9 from build tracker '/tmp/pip-req-tracker-qmsq1oo2'
Skipping scons, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-lsqvltph/scons
Removed build tracker '/tmp/pip-req-tracker-qmsq1oo2'