Created temporary directory: /tmp/pip-ephem-wheel-cache-na_f839l
Created temporary directory: /tmp/pip-req-tracker-t5x5n7sm
Created requirements tracker '/tmp/pip-req-tracker-t5x5n7sm'
Created temporary directory: /tmp/pip-wheel-rgz3o_t2
Collecting autoconf==0.3.0
  1 location(s) to search for versions of autoconf:
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  Getting page https://pypi.org/simple/autoconf/
  Analyzing links from page https://pypi.org/simple/autoconf/
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    Found link https://files.pythonhosted.org/packages/fc/cd/7ce2f87dabd3c1f9e1bccc34aca1d40c3245c101c99f54fb96a3da43cd71/autoconf-0.1.1-py3-none-any.whl#sha256=8a0ce3c3f2f7b625ef0bce034d5409e6757074a4ab2bc66e550900a644a2eaba (from https://pypi.org/simple/autoconf/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/96/85/13817e99cc648fae7c4623ea0dd4d9b4d20a7dd8205efd418e19876d9d66/autoconf-0.1.1.tar.gz#sha256=ff3aed4a4b91135400b6ced52d7f46ced9d409bee4210fcc8897503c5f6916f0 (from https://pypi.org/simple/autoconf/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/eb/0d/3d2eb631c9c129b8fbd927337603d44a675d940ac102e57ca51cf8992d2b/autoconf-0.2.0-py3-none-any.whl#sha256=5a8cd4bea8555fbcb4350108f7f08f6d0e2ef56891d65ea26e64caaacf310bcf (from https://pypi.org/simple/autoconf/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/b9/3b/4e046a77147f5e7bce7de389499f5a37879297f1e019eab3a879b9d59c0d/autoconf-0.2.0.tar.gz#sha256=c8486e0e6b9d438e14f3e2a7e10c036d6c4936587128589b343537d152bcc966 (from https://pypi.org/simple/autoconf/), version: 0.2.0
    Skipping link https://files.pythonhosted.org/packages/ee/42/389612d8282d431f5fe307a01335e576090e87ef492858eb887cb1bd4cfb/autoconf-0.2.1-py2-none-any.whl#sha256=63e9fa71756e3d4e92fb3be22731239ccb64c185cb6d86e9c4dcee12575d1f24 (from https://pypi.org/simple/autoconf/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/8c/c2/46c445f55277921486e8a7251c6b38dc4b61c51e685a7a3977f68c44c94b/autoconf-0.2.1.tar.gz#sha256=b232323edc83182f582e7846bf6547bf4f4a32594a6cfdedfdfbf1883678868b (from https://pypi.org/simple/autoconf/), version: 0.2.1
    Skipping link https://files.pythonhosted.org/packages/0c/13/3caa526943b929a519e6d95f5fd4f324e3b6bbd4b88b3fd994fb00569ef1/autoconf-0.2.2-py2-none-any.whl#sha256=4f92ba20847db98b416e7d4f0fc4a8c532ad9fea2e7518b80a5bd3ae93a6dbe3 (from https://pypi.org/simple/autoconf/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/81/42/80b5919da8587d78388570893ab7abd6ab5b9ead4a749ec52fbd8fd564d8/autoconf-0.2.2.tar.gz#sha256=c2dfb6615244990a87fdee0b8adb4ea08ccfaf09ede1ff6e69f57d5a899c363a (from https://pypi.org/simple/autoconf/), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/99/47/3d7b8855002ab521a75178aa8d9cd21a084e9f27d4e7c1c123145e5ccb58/autoconf-0.3.0-py3-none-any.whl#sha256=0c15c93c0c7d1e3398ff79ed4824df2069d25998d3f15ff8acc03e102ab7ab12 (from https://pypi.org/simple/autoconf/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/10/26/0be8580697fdf9bf1e2a6b911328a4ac2871c278f28a3f12298a41cd7998/autoconf-0.3.0.tar.gz#sha256=8bff0bf6ffa974b55e8d17fa18acfd0e998ac5d66732951575d0bd8d02d7383a (from https://pypi.org/simple/autoconf/), version: 0.3.0
  Using version 0.3.0 (newest of versions: 0.3.0)
  Created temporary directory: /tmp/pip-unpack-5mf67c15
  Downloading https://files.pythonhosted.org/packages/99/47/3d7b8855002ab521a75178aa8d9cd21a084e9f27d4e7c1c123145e5ccb58/autoconf-0.3.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/99/47/3d7b8855002ab521a75178aa8d9cd21a084e9f27d4e7c1c123145e5ccb58/autoconf-0.3.0-py3-none-any.whl#sha256=0c15c93c0c7d1e3398ff79ed4824df2069d25998d3f15ff8acc03e102ab7ab12 (from https://pypi.org/simple/autoconf/)
  Saved /tmp/tmp5_084dr1/autoconf-0.3.0-py3-none-any.whl
  Added autoconf==0.3.0 from https://files.pythonhosted.org/packages/99/47/3d7b8855002ab521a75178aa8d9cd21a084e9f27d4e7c1c123145e5ccb58/autoconf-0.3.0-py3-none-any.whl#sha256=0c15c93c0c7d1e3398ff79ed4824df2069d25998d3f15ff8acc03e102ab7ab12 to build tracker '/tmp/pip-req-tracker-t5x5n7sm'
  Removed autoconf==0.3.0 from https://files.pythonhosted.org/packages/99/47/3d7b8855002ab521a75178aa8d9cd21a084e9f27d4e7c1c123145e5ccb58/autoconf-0.3.0-py3-none-any.whl#sha256=0c15c93c0c7d1e3398ff79ed4824df2069d25998d3f15ff8acc03e102ab7ab12 from build tracker '/tmp/pip-req-tracker-t5x5n7sm'
Skipping autoconf, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-rgz3o_t2/autoconf
Removed build tracker '/tmp/pip-req-tracker-t5x5n7sm'