Created temporary directory: /tmp/pip-ephem-wheel-cache-o5umeugo
Created temporary directory: /tmp/pip-req-tracker-c4snato3
Created requirements tracker '/tmp/pip-req-tracker-c4snato3'
Created temporary directory: /tmp/pip-wheel-_63sdvcd
Collecting Benchmark-4dn==0.5.6b1
  1 location(s) to search for versions of Benchmark-4dn:
  * https://pypi.org/simple/benchmark-4dn/
  Getting page https://pypi.org/simple/benchmark-4dn/
  Analyzing links from page https://pypi.org/simple/benchmark-4dn/
    Found link https://files.pythonhosted.org/packages/2c/9d/03dbe200b18e9c62edbe1e062f09902818c85b2de27ce336a271b769d2df/Benchmark-4dn-0.5.2.tar.gz#sha256=cf40621a40dd9dd5b0e66f24daec8646a686ed94ddc5d445da3be76fef246e0f (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.2
    Found link https://files.pythonhosted.org/packages/42/5a/373cbbe8b260fda39e3d16cbdbda0246aa990019939416edb1414360e1a1/Benchmark_4dn-0.5.2-py3-none-any.whl#sha256=3fcd3f33e81a82f375e7a5572bd8004a24b5ea2aa86f59e0a43d90ec288b130e (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.2
    Found link https://files.pythonhosted.org/packages/7e/47/3830ddd6793b71c3e429e9068c67f65615528f2214fd27703f874f082352/Benchmark-4dn-0.5.3.tar.gz#sha256=0f6e085ef2d366ad7159f73b4e722ef19bdb1b0690b3ecc23cbbf7a8e1d96b43 (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.3
    Found link https://files.pythonhosted.org/packages/45/8c/290a2cb6bc1b9ddac622be57df8c678a6eff58c1eaa634c1315eff25be4e/Benchmark_4dn-0.5.3-py3-none-any.whl#sha256=3650f0b72ba028505a1ba85b4079c02e32ea7b1f3ee799a522261ae87917cbac (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.3
    Found link https://files.pythonhosted.org/packages/c7/66/72174becd0a3cec1712f29c614539e902843b63829ac1e0b58d1c60a1c3c/Benchmark-4dn-0.5.4.tar.gz#sha256=fb7d3f1bd9fe7178bc1821908834438cc74117539d7a5b96381131b5827369ad (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.4
    Found link https://files.pythonhosted.org/packages/0f/87/ecea11991daa5f0da0bc4a09042f90240ddf27d419ad4267757841324341/Benchmark_4dn-0.5.4-py3-none-any.whl#sha256=6bdb7bb6ce725a18c3adac02269e3b8cb42a143caf9398065e0b1790ae6ee574 (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.4
    Found link https://files.pythonhosted.org/packages/a5/bf/6ec4796a383929965e4a51088b7f3e2cdbec1e15d094803f5a67a1e91f11/Benchmark-4dn-0.5.5.tar.gz#sha256=c214e066b19661b7158c4abdceb19d0f1d89f271e63c8281313ac7906c840c27 (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.5
    Skipping link https://files.pythonhosted.org/packages/9f/02/ab7d23d6aca1e6ac9b7941247171c24d5404b0c0e0d03ec4747eba4d41f1/Benchmark_4dn-0.5.5-py2-none-any.whl#sha256=b37b5eee7816bd39636e60bd333b7dea8fdfef3f8991604faeb32e71eae1a2ee (from https://pypi.org/simple/benchmark-4dn/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/43/76/395e7b6cba7eb24e64beef61a905dce49c4d65eda3f6574a5338479a95ec/Benchmark_4dn-0.5.5-py3-none-any.whl#sha256=704defeacb61ed9a4dc63b38f36c58b08a1dd6eae47e08ace631cfecd4925d2b (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.5
    Found link https://files.pythonhosted.org/packages/19/29/ddd83d22440916c9c6d3b3c0db825c572491301996ea3264a7a0ac35d8a1/Benchmark-4dn-0.5.6b1.tar.gz#sha256=b4bb82c37fdad4c55ec0bc780ac8f0ca2d16f1b6e5d03dae2a880259c7916a02 (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.6b1
    Found link https://files.pythonhosted.org/packages/d7/e0/f07455ee77f6e2d294efdc66d535ca8c862999309004461a733c408527de/Benchmark_4dn-0.5.6b1-py3-none-any.whl#sha256=8af9c2ebb80f8cf61e2ee6c5849282af3c1e5878538eed3aa1b653d74c627170 (from https://pypi.org/simple/benchmark-4dn/), version: 0.5.6b1
    Skipping link https://files.pythonhosted.org/packages/3a/a4/1f9fe037ff91a15d73674ee117276326e86aa58f9f0c4fa9a90a3611be3a/Benchmark_4dn-0.5.6b1-py3.6.egg#sha256=6f253e2e6ffc97082e26531f8aa26fb4875a5f448cd893ce38c195e2f2c85833 (from https://pypi.org/simple/benchmark-4dn/); unsupported archive format: .egg
  Using version 0.5.6b1 (newest of versions: 0.5.6b1)
  Created temporary directory: /tmp/pip-unpack-acc3p4gd
  Downloading https://files.pythonhosted.org/packages/d7/e0/f07455ee77f6e2d294efdc66d535ca8c862999309004461a733c408527de/Benchmark_4dn-0.5.6b1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d7/e0/f07455ee77f6e2d294efdc66d535ca8c862999309004461a733c408527de/Benchmark_4dn-0.5.6b1-py3-none-any.whl#sha256=8af9c2ebb80f8cf61e2ee6c5849282af3c1e5878538eed3aa1b653d74c627170 (from https://pypi.org/simple/benchmark-4dn/)
  Saved /tmp/tmp1cgw8edx/Benchmark_4dn-0.5.6b1-py3-none-any.whl
  Added Benchmark-4dn==0.5.6b1 from https://files.pythonhosted.org/packages/d7/e0/f07455ee77f6e2d294efdc66d535ca8c862999309004461a733c408527de/Benchmark_4dn-0.5.6b1-py3-none-any.whl#sha256=8af9c2ebb80f8cf61e2ee6c5849282af3c1e5878538eed3aa1b653d74c627170 to build tracker '/tmp/pip-req-tracker-c4snato3'
  Removed Benchmark-4dn==0.5.6b1 from https://files.pythonhosted.org/packages/d7/e0/f07455ee77f6e2d294efdc66d535ca8c862999309004461a733c408527de/Benchmark_4dn-0.5.6b1-py3-none-any.whl#sha256=8af9c2ebb80f8cf61e2ee6c5849282af3c1e5878538eed3aa1b653d74c627170 from build tracker '/tmp/pip-req-tracker-c4snato3'
Skipping Benchmark-4dn, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-_63sdvcd/Benchmark-4dn
Removed build tracker '/tmp/pip-req-tracker-c4snato3'