Created temporary directory: /tmp/pip-ephem-wheel-cache-bicx_lht
Created temporary directory: /tmp/pip-req-tracker-qkdwamqs
Created requirements tracker '/tmp/pip-req-tracker-qkdwamqs'
Created temporary directory: /tmp/pip-wheel-dx_mcg5u
Collecting taskcluster==16.1.0
  1 location(s) to search for versions of taskcluster:
  * https://pypi.org/simple/taskcluster/
  Getting page https://pypi.org/simple/taskcluster/
  Analyzing links from page https://pypi.org/simple/taskcluster/
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    Found link https://files.pythonhosted.org/packages/52/01/b592b59f4490c671016d9afcdb2e1a9444aa8f68084a76da3c60e28de7c1/taskcluster-0.0.18.tar.gz#sha256=3d00b39555abd7587f386f805811c425bd40f2be7e11e9bd55c8efea62b85cb1 (from https://pypi.org/simple/taskcluster/), version: 0.0.18
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    Found link https://files.pythonhosted.org/packages/a8/af/957928c5066a5ce232915179b7c125331d9e7856955ce3c7e6bdbfbc019f/taskcluster-0.0.21.tar.gz#sha256=4d5383874272be68b9abdc83a47eb3fb6b5f9f52bfcdd84f18fde5c731d9d11f (from https://pypi.org/simple/taskcluster/), version: 0.0.21
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    Found link https://files.pythonhosted.org/packages/3d/9d/66dc9d83b5222f4ca8d278219a2f3ea72385106212721c598fbbf5097a5d/taskcluster-0.0.24.tar.gz#sha256=f13110e0daa13348fe486cde442b304630fc278ef005089d806da2f407d56bdf (from https://pypi.org/simple/taskcluster/), version: 0.0.24
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    Found link https://files.pythonhosted.org/packages/62/c0/89f20f35a6899cdb9d996a818f2ed6001a13573c9ef26031bf4a61ae25a1/taskcluster-0.0.26.tar.gz#sha256=0bf10cbc987a318df16ba84320a38ad36fa538499fc5922d840702096a3afd3f (from https://pypi.org/simple/taskcluster/), version: 0.0.26
    Found link https://files.pythonhosted.org/packages/81/b4/bbb54e01966b8f7db413acfb388c1d1247616fded94c135540cd2bce1951/taskcluster-0.0.27.tar.gz#sha256=4294d0d1b0756ebda920f494c185ed2935401568b8f593627bee9a076093cf85 (from https://pypi.org/simple/taskcluster/), version: 0.0.27
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    Found link https://files.pythonhosted.org/packages/e6/5a/0c3983548a8b0140d2da38a12c42688a252424517d55baaf8f6078d18187/taskcluster-0.0.29.tar.gz#sha256=ced6007f828f667afa4806621d4cfaf448ec13976ae36909bad4d5bb90b7f843 (from https://pypi.org/simple/taskcluster/), version: 0.0.29
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    Found link https://files.pythonhosted.org/packages/ff/b1/6fa388ce8fc3340e059d1d3a83692d142a0b4eb1c3c7417e94210a35baa0/taskcluster-0.0.32.tar.gz#sha256=e5d226c6260369777622ce738d2251c59120035c2a695b274743bbecac23f6dd (from https://pypi.org/simple/taskcluster/), version: 0.0.32
    Found link https://files.pythonhosted.org/packages/d4/4e/e90ded9ad4df81dd724e20d32b1f1ebd6dcbea95647610a79599cc1994a5/taskcluster-0.1.0.tar.gz#sha256=48e09aab1c9c1b13593d4b31a65b921ce6b719d5423771d985b86f61dc59059f (from https://pypi.org/simple/taskcluster/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/ff/b7/d9782e14cc0507dbc2889f0950264119b826bd21e3673dd264be16ef8a73/taskcluster-0.2.0.tar.gz#sha256=101f2278f122e4bd4f4ccb496c5e3a2d4bab677cfbb4cd291f69a96622c190c6 (from https://pypi.org/simple/taskcluster/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/4f/58/e0b50c4f7ae7bd54e2a9a24818ac803b593e5898a6ba9304ad6796039c94/taskcluster-0.2.1.tar.gz#sha256=4ce77ba0de946d12b5e22f345b931b1129d6f14ee5a414271c4bc7096bc615b7 (from https://pypi.org/simple/taskcluster/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/25/92/58cd6ecfcde9c1e3d8b9993daeb4b5a13e245b35577d109693e95bafdf70/taskcluster-0.3.0.tar.gz#sha256=af54013461244bbe83181001a2a354067c94b77b7f43d666209fc5c0ca3c1a83 (from https://pypi.org/simple/taskcluster/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/b2/e2/0d89ab8782f1185b34fdcb8323b8735db96debd7e2daf3a7010de7eb3204/taskcluster-0.3.1.tar.gz#sha256=6f2ac5b835aef4d4209afbabddc151f80e9dc691ab61eab62a44ac1348549b01 (from https://pypi.org/simple/taskcluster/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/6f/9d/294c68df6430599535a51ba6eef7d3a00fdee391605aa06f7caaf0598ec0/taskcluster-0.3.2.tar.gz#sha256=b5f0f3eb4a58c7cb2fa5e1f41ecb673a9fad9e7f9341f4d788d78c2a9fa626a5 (from https://pypi.org/simple/taskcluster/), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/57/a2/ecbd896f5b81f1c667552529456c35343ab31704c263389a28d15eac3a0d/taskcluster-0.3.3.tar.gz#sha256=1307f941513b6a1d1c92b20099278c8586838a7765c54e96149793c029a242a1 (from https://pypi.org/simple/taskcluster/), version: 0.3.3
    Found link https://files.pythonhosted.org/packages/3e/50/bb7659d5cf396f5c78013bb35ac92931c852b0ae3fa738bbd9224b6192ef/taskcluster-0.3.4.tar.gz#sha256=d4fe5e2a44fe27e195b92830ece0a6eb9eb7ad9dc556a0cb16f6f2a6429f1b65 (from https://pypi.org/simple/taskcluster/), version: 0.3.4
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    Found link https://files.pythonhosted.org/packages/d8/00/aac389ae5f2db76b029d55d36d394e272486894d155073369c4e0b272619/taskcluster-1.0.2.tar.gz#sha256=11cfd462a333e0a084f94c9ce55e349036dbcf04656767f9773da7d148aa5115 (from https://pypi.org/simple/taskcluster/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/68/a0/2ba2eb16d6357e3db67566a807b7f3cc5f15452c77996f6ad9acc96ffaa4/taskcluster-1.2.0.tar.gz#sha256=15af0b2dceb57c55802f9b4ae2bcf031a013c6c12b1faa2d8ce51f0aeaa5fdc2 (from https://pypi.org/simple/taskcluster/), version: 1.2.0
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    Found link https://files.pythonhosted.org/packages/32/2b/5b2203bd54f433db7a14ae405b972b2beeedf3cb3c914a4dbd8e3497c7f6/taskcluster-1.3.1.tar.gz#sha256=7c5aba1f4279e4bbc0b524a76037dc5b81494c1a817921e9163553d6ad2d4244 (from https://pypi.org/simple/taskcluster/), version: 1.3.1
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    Found link https://files.pythonhosted.org/packages/b3/90/7461507c89612070826b92ec5f7eb3f4c6c5c126f04d7cc680ef7937b5dd/taskcluster-1.3.4.tar.gz#sha256=c0bbaa680aed4e502c370d24258c85e6ea7a891fd090ac6af66356e0e9a459fc (from https://pypi.org/simple/taskcluster/), version: 1.3.4
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    Found link https://files.pythonhosted.org/packages/13/67/92e22758679bb8fd89ccaf9830ca0b94b2cdedfae6d7e2f20853d5c902ca/taskcluster-2.0.0-py3-none-any.whl#sha256=cf23721f28fdf25ba6cba561d9ad0be9b2e91cc11639642c02b86357c4e59870 (from https://pypi.org/simple/taskcluster/), version: 2.0.0
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    Found link https://files.pythonhosted.org/packages/68/98/f19ecd17e7f2737fa0944edd9adef59c72354a94492259fe2c86c07cf916/taskcluster-2.1.0-py3-none-any.whl#sha256=8a327f05a3b69a035185aa35d4724b8c11ddc5e0b856e11f27bb3ebe98487b6b (from https://pypi.org/simple/taskcluster/), version: 2.1.0
    Found link https://files.pythonhosted.org/packages/74/49/487c04cf1969d351c65294b316dd76efb527f4ebcedd946a24258a7e5ba2/taskcluster-2.1.0.tar.gz#sha256=017255c41d099d99b2a840a9a8034f7a286bfef4cfe0b1e54a90614ef4ea241d (from https://pypi.org/simple/taskcluster/), version: 2.1.0
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  Using version 16.1.0 (newest of versions: 16.1.0)
  Created temporary directory: /tmp/pip-unpack-26cnxoo4
  Downloading https://files.pythonhosted.org/packages/45/f4/d2338e85e2ee8716f621cb5a652d39ed7c5e80950e9eb6e6e82c2821381f/taskcluster-16.1.0-py3-none-any.whl (159kB)
  Downloading from URL https://files.pythonhosted.org/packages/45/f4/d2338e85e2ee8716f621cb5a652d39ed7c5e80950e9eb6e6e82c2821381f/taskcluster-16.1.0-py3-none-any.whl#sha256=b24701e7e43e19f2c82850b445ab00634bb08d4ae786f3f19f8970d7a8ffecd8 (from https://pypi.org/simple/taskcluster/)
  Saved /tmp/tmpyx2zfze1/taskcluster-16.1.0-py3-none-any.whl
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  Removed taskcluster==16.1.0 from https://files.pythonhosted.org/packages/45/f4/d2338e85e2ee8716f621cb5a652d39ed7c5e80950e9eb6e6e82c2821381f/taskcluster-16.1.0-py3-none-any.whl#sha256=b24701e7e43e19f2c82850b445ab00634bb08d4ae786f3f19f8970d7a8ffecd8 from build tracker '/tmp/pip-req-tracker-qkdwamqs'
Skipping taskcluster, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-dx_mcg5u/taskcluster
Removed build tracker '/tmp/pip-req-tracker-qkdwamqs'