Created temporary directory: /tmp/pip-ephem-wheel-cache-e5khsbsh
Created temporary directory: /tmp/pip-req-tracker-dzoysj20
Created requirements tracker '/tmp/pip-req-tracker-dzoysj20'
Created temporary directory: /tmp/pip-wheel-k9h8jisi
Collecting libfluent==1.0.0b4
  1 location(s) to search for versions of libfluent:
  * https://pypi.org/simple/libfluent/
  Getting page https://pypi.org/simple/libfluent/
  Analyzing links from page https://pypi.org/simple/libfluent/
    Found link https://files.pythonhosted.org/packages/e3/f0/0878c1b22b288fb749378063b09c721323211a201a0c8c819f920eee6d0b/libfluent-1.0.0b1-py3-none-any.whl#sha256=31e10385faebec5055f99ff13e28ed1d4e319ae183a4dfe98e0596b86072ce26 (from https://pypi.org/simple/libfluent/), version: 1.0.0b1
    Found link https://files.pythonhosted.org/packages/f4/28/9ec4fcdd969d0d384f3f9b010fc3969fc4df42f053515db711806ac7433e/libfluent-1.0.0b1.tar.gz#sha256=dc451a81ddd21118987df8e91a02dbca76b8e055bd50d6021474f9b7cd6b5068 (from https://pypi.org/simple/libfluent/), version: 1.0.0b1
    Found link https://files.pythonhosted.org/packages/a2/38/5bfaaae5f3fdea2440917e73904744eadfe7dd5747057e03ed991c7fac92/libfluent-1.0.0b2-py3-none-any.whl#sha256=6b6ba9bae8696becbafa12d02aee435545602cfd9cc6bde424e2b34e8067fc22 (from https://pypi.org/simple/libfluent/), version: 1.0.0b2
    Found link https://files.pythonhosted.org/packages/91/55/8b75b02561878887eb5df496d225a0e28b728769392211618fcb6fc97bb4/libfluent-1.0.0b2.tar.gz#sha256=6fd4517dc75d83cd614c996da441793e78bcd1d63c445dbb92b40f8a2c86653a (from https://pypi.org/simple/libfluent/), version: 1.0.0b2
    Found link https://files.pythonhosted.org/packages/77/c0/c7adfd8b3cd2d6c3d2029475a46900fa5f492aaa519db2229646fc770e14/libfluent-1.0.0b3-py3-none-any.whl#sha256=e3e8f39482cbed7ca704518ceeef45f70e50282bc0452591f65e6a7fff9bc592 (from https://pypi.org/simple/libfluent/), version: 1.0.0b3
    Found link https://files.pythonhosted.org/packages/84/71/2b9a9cc7798ac03879bedcddb45cd66317a8c17d0975ec8adfdbc87a182e/libfluent-1.0.0b3.tar.gz#sha256=e72f260811feb63bd301df428f1e301d897f7604fc3fe379001f7600b5cba260 (from https://pypi.org/simple/libfluent/), version: 1.0.0b3
    Found link https://files.pythonhosted.org/packages/da/bd/d5c245196b06d9f39d675d97dfd187fb10cf866a9c9f991205ce68150357/libfluent-1.0.0b4-py3-none-any.whl#sha256=c1a9184bec3234335808bb568fd137807503433dad404f1b0625a7f6b9eebe7e (from https://pypi.org/simple/libfluent/), version: 1.0.0b4
    Found link https://files.pythonhosted.org/packages/54/7b/f16e0083f34c58538ac3816ea7d87edc1bc072f992e230faf490c17c4439/libfluent-1.0.0b4.tar.gz#sha256=f38451229ad28f5b7f9a64dee821a108a28d9d2811e291b82fff9e3ad5ec29e6 (from https://pypi.org/simple/libfluent/), version: 1.0.0b4
  Using version 1.0.0b4 (newest of versions: 1.0.0b4)
  Created temporary directory: /tmp/pip-unpack-lnt12dey
  Downloading https://files.pythonhosted.org/packages/da/bd/d5c245196b06d9f39d675d97dfd187fb10cf866a9c9f991205ce68150357/libfluent-1.0.0b4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/da/bd/d5c245196b06d9f39d675d97dfd187fb10cf866a9c9f991205ce68150357/libfluent-1.0.0b4-py3-none-any.whl#sha256=c1a9184bec3234335808bb568fd137807503433dad404f1b0625a7f6b9eebe7e (from https://pypi.org/simple/libfluent/)
  Saved /tmp/tmpyf4ivibi/libfluent-1.0.0b4-py3-none-any.whl
  Added libfluent==1.0.0b4 from https://files.pythonhosted.org/packages/da/bd/d5c245196b06d9f39d675d97dfd187fb10cf866a9c9f991205ce68150357/libfluent-1.0.0b4-py3-none-any.whl#sha256=c1a9184bec3234335808bb568fd137807503433dad404f1b0625a7f6b9eebe7e to build tracker '/tmp/pip-req-tracker-dzoysj20'
  Removed libfluent==1.0.0b4 from https://files.pythonhosted.org/packages/da/bd/d5c245196b06d9f39d675d97dfd187fb10cf866a9c9f991205ce68150357/libfluent-1.0.0b4-py3-none-any.whl#sha256=c1a9184bec3234335808bb568fd137807503433dad404f1b0625a7f6b9eebe7e from build tracker '/tmp/pip-req-tracker-dzoysj20'
Skipping libfluent, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-k9h8jisi/libfluent
Removed build tracker '/tmp/pip-req-tracker-dzoysj20'