Created temporary directory: /tmp/pip-ephem-wheel-cache-w1886ljb
Created temporary directory: /tmp/pip-req-tracker-t85o7k_z
Created requirements tracker '/tmp/pip-req-tracker-t85o7k_z'
Created temporary directory: /tmp/pip-wheel-izqsk5kx
Collecting needlestack==0.1.0
  1 location(s) to search for versions of needlestack:
  * https://pypi.org/simple/needlestack/
  Getting page https://pypi.org/simple/needlestack/
  Analyzing links from page https://pypi.org/simple/needlestack/
    Found link https://files.pythonhosted.org/packages/2c/85/8cc2fe6ed2033a5265c176e1e5de4f1b94b55f10f11ea2f2b14abc1c66d9/needlestack-0.0.7-py3-none-any.whl#sha256=0f986d645a44fbcc34ee79a6dfc2fbbfa2957c61abb983a76a9bfdc1dd6ff9bb (from https://pypi.org/simple/needlestack/), version: 0.0.7
    Found link https://files.pythonhosted.org/packages/da/5b/18776aba07c8ad1b09294d35c4b1522d509f28436a9132133283930872eb/needlestack-0.0.7.tar.gz#sha256=dbf87436de299938380287a415e7d487ff7158dabe3374a25201660606a11a0c (from https://pypi.org/simple/needlestack/), version: 0.0.7
    Found link https://files.pythonhosted.org/packages/7e/b3/355c5c9f3a01c8c550233c3096cb05e10c662baaaaa4496ecab540ab745c/needlestack-0.1.0rc0-py3-none-any.whl#sha256=64e916a59c8eb961e842caf5bc24b71a36d16ddcd5dca21b3abd5e060ae0d988 (from https://pypi.org/simple/needlestack/), version: 0.1.0rc0
    Found link https://files.pythonhosted.org/packages/8c/19/7bf73fb6031c954660f12c1f5810398804bd1fd24421205bec149c139c8e/needlestack-0.1.0rc0.tar.gz#sha256=1565a5ff3ec747cdfeb2eb0a46950ce4301e9ee9a6208e1e7f00375cf8d4c896 (from https://pypi.org/simple/needlestack/), version: 0.1.0rc0
    Found link https://files.pythonhosted.org/packages/2f/96/20d3d69a512762477a6b1809533eebefe61b79e21c70d502b60560d3437f/needlestack-0.1.0rc1-py3-none-any.whl#sha256=4cc7ab140615c8f6cd68f2d030b1a38ea002952c45907e373ba593a673e4af84 (from https://pypi.org/simple/needlestack/), version: 0.1.0rc1
    Found link https://files.pythonhosted.org/packages/00/3e/ea6c92c58c0df24a40e05fd508ff2c259f35117cfd0b19dfbf3e0c64d943/needlestack-0.1.0rc1.tar.gz#sha256=5409de2832486c6bfbe4eaf29e5f51bdbdf3ddf9c032371ad4b9fac0610c3b6e (from https://pypi.org/simple/needlestack/), version: 0.1.0rc1
    Found link https://files.pythonhosted.org/packages/88/b5/c592076bfb7012b4b7b596a0762bb66c9fa0a9fb5344f634aa25361c42e4/needlestack-0.1.0-py3-none-any.whl#sha256=c9e955b339a336d7cf31b5df2e7508fe57d9fbe0ae92762d52df46b8d24b6f57 (from https://pypi.org/simple/needlestack/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/37/7f/1a90672d0a8d3c1d947fd71c6a25de1282c3b96f70d10590b230fd07d822/needlestack-0.1.0.tar.gz#sha256=6a8116b804c1a9561d0334514262c8526c67d89f3e980966aca96d7b02184ff1 (from https://pypi.org/simple/needlestack/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-85wny630
  Downloading https://files.pythonhosted.org/packages/88/b5/c592076bfb7012b4b7b596a0762bb66c9fa0a9fb5344f634aa25361c42e4/needlestack-0.1.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/88/b5/c592076bfb7012b4b7b596a0762bb66c9fa0a9fb5344f634aa25361c42e4/needlestack-0.1.0-py3-none-any.whl#sha256=c9e955b339a336d7cf31b5df2e7508fe57d9fbe0ae92762d52df46b8d24b6f57 (from https://pypi.org/simple/needlestack/)
  Saved /tmp/tmpa1ykud_a/needlestack-0.1.0-py3-none-any.whl
  Added needlestack==0.1.0 from https://files.pythonhosted.org/packages/88/b5/c592076bfb7012b4b7b596a0762bb66c9fa0a9fb5344f634aa25361c42e4/needlestack-0.1.0-py3-none-any.whl#sha256=c9e955b339a336d7cf31b5df2e7508fe57d9fbe0ae92762d52df46b8d24b6f57 to build tracker '/tmp/pip-req-tracker-t85o7k_z'
  Removed needlestack==0.1.0 from https://files.pythonhosted.org/packages/88/b5/c592076bfb7012b4b7b596a0762bb66c9fa0a9fb5344f634aa25361c42e4/needlestack-0.1.0-py3-none-any.whl#sha256=c9e955b339a336d7cf31b5df2e7508fe57d9fbe0ae92762d52df46b8d24b6f57 from build tracker '/tmp/pip-req-tracker-t85o7k_z'
Skipping needlestack, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-izqsk5kx/needlestack
Removed build tracker '/tmp/pip-req-tracker-t85o7k_z'