Created temporary directory: /tmp/pip-ephem-wheel-cache-0hl6tpt4
Created temporary directory: /tmp/pip-req-tracker-m3sbr7ac
Created requirements tracker '/tmp/pip-req-tracker-m3sbr7ac'
Created temporary directory: /tmp/pip-wheel-pu3b81_1
Collecting invisibleroads==0.2.4
  1 location(s) to search for versions of invisibleroads:
  * https://pypi.org/simple/invisibleroads/
  Getting page https://pypi.org/simple/invisibleroads/
  Analyzing links from page https://pypi.org/simple/invisibleroads/
    Found link https://files.pythonhosted.org/packages/6c/0a/73928f5684dfa2236e518a8cc220dc68457c876c74e9fcedcf7aa37ee932/invisibleroads-0.1.1.tar.gz#sha256=b219b667913c09d1e7c1786b2cda154b7941fba655149f78af1011225137e44b (from https://pypi.org/simple/invisibleroads/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/ed/83/42cc6fd87d4b4db93fea3d4296729ffacf81e033a7205daa40cce30c8891/invisibleroads-0.1.3.tar.gz#sha256=f430c48c1625f472e44a40fc04ebaf010e2934d350f3627d33efae0ab25af484 (from https://pypi.org/simple/invisibleroads/), version: 0.1.3
    Found link https://files.pythonhosted.org/packages/da/3a/58b9f560928fef3a6416bae240c4d3b8a9c34360483725133d93025606f4/invisibleroads-0.1.4.tar.gz#sha256=59c9aa7efcb8e31e2d8d34b1b1a82fb2ff4b84c00c6aea0bbbd2800c2efddd38 (from https://pypi.org/simple/invisibleroads/), version: 0.1.4
    Found link https://files.pythonhosted.org/packages/b6/b6/9a3363bd54059832dfcda97f3936337bd6bb4d20a0fd0cfc3ac4638e5462/invisibleroads-0.1.5.tar.gz#sha256=ac899c0269e8251a93280c860fcf4afcaba7c902a160531b1ab42dd064b15a3e (from https://pypi.org/simple/invisibleroads/), version: 0.1.5
    Found link https://files.pythonhosted.org/packages/76/a9/12d2cd73bc3f4eaeea8827503a54655c221364b03ca324c29f3602c092bd/invisibleroads-0.1.6.tar.gz#sha256=493c4a1278a06dab27a23e4c62382bf457fb48047327edcaab552de9bca0f4d2 (from https://pypi.org/simple/invisibleroads/), version: 0.1.6
    Found link https://files.pythonhosted.org/packages/8f/20/2ba71f891dfa6612d08bcac6d33ac804e1e0433fc0238920a8e7f1562613/invisibleroads-0.1.7.tar.gz#sha256=b559ff3899412e9ae67840f2b30971896f579eeb496729b3e287363f19aeefa8 (from https://pypi.org/simple/invisibleroads/), version: 0.1.7
    Found link https://files.pythonhosted.org/packages/cc/84/61757105f2218a19638418e2698029a105ac50ab489c4667ce9b6213ca1c/invisibleroads-0.2.0.tar.gz#sha256=051e28579fecc76e6d71f902762570a8fb62ba0f4b9dd3e5d5c74fd98369b670 (from https://pypi.org/simple/invisibleroads/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/c9/ef/b03e1b54a9f008a37f0d2b1747ab6842465d8cf994931e3f00260f462d1b/invisibleroads-0.2.3-py3-none-any.whl#sha256=e32a9c540660b3ce5d5f410e72c6f250820ecf61b8563deda2f87f1a6ba7e9dc (from https://pypi.org/simple/invisibleroads/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/93/32/0a37837d38917404031cdbe4d6181e4b46df563e61161fcc96f72672a356/invisibleroads-0.2.3.tar.gz#sha256=d0b87260fbd92669d01eccc928a6c7411291a490dc3a9d13b89fd241c565688b (from https://pypi.org/simple/invisibleroads/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/5c/4e/977895c344fdea44f14867d058aafb14b228abca75360a5a41029c990de1/invisibleroads-0.2.4-py3-none-any.whl#sha256=f2048ba0f082981d2ac9b40a4826add15453e44aa6690579d21657865f1386ef (from https://pypi.org/simple/invisibleroads/), version: 0.2.4
    Found link https://files.pythonhosted.org/packages/2b/60/2513d80f83f0c49bd7c8a3a7caf8f163ac0a1af41827f8abdb6300a27e3a/invisibleroads-0.2.4.tar.gz#sha256=4b1f74f14b77c17aee2d934c736228713bb26f5d66cc7bd9fccba127c460cf97 (from https://pypi.org/simple/invisibleroads/), version: 0.2.4
  Using version 0.2.4 (newest of versions: 0.2.4)
  Created temporary directory: /tmp/pip-unpack-mkfes7e6
  Downloading https://files.pythonhosted.org/packages/5c/4e/977895c344fdea44f14867d058aafb14b228abca75360a5a41029c990de1/invisibleroads-0.2.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/5c/4e/977895c344fdea44f14867d058aafb14b228abca75360a5a41029c990de1/invisibleroads-0.2.4-py3-none-any.whl#sha256=f2048ba0f082981d2ac9b40a4826add15453e44aa6690579d21657865f1386ef (from https://pypi.org/simple/invisibleroads/)
  Saved /tmp/tmpy5m7fyu4/invisibleroads-0.2.4-py3-none-any.whl
  Added invisibleroads==0.2.4 from https://files.pythonhosted.org/packages/5c/4e/977895c344fdea44f14867d058aafb14b228abca75360a5a41029c990de1/invisibleroads-0.2.4-py3-none-any.whl#sha256=f2048ba0f082981d2ac9b40a4826add15453e44aa6690579d21657865f1386ef to build tracker '/tmp/pip-req-tracker-m3sbr7ac'
  Removed invisibleroads==0.2.4 from https://files.pythonhosted.org/packages/5c/4e/977895c344fdea44f14867d058aafb14b228abca75360a5a41029c990de1/invisibleroads-0.2.4-py3-none-any.whl#sha256=f2048ba0f082981d2ac9b40a4826add15453e44aa6690579d21657865f1386ef from build tracker '/tmp/pip-req-tracker-m3sbr7ac'
Skipping invisibleroads, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-pu3b81_1/invisibleroads
Removed build tracker '/tmp/pip-req-tracker-m3sbr7ac'