2020-09-20T18:42:16,819 DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade your Python as Python 3.5 is no longer maintained. pip 21.0 will drop support for Python 3.5 in January 2021. pip 21.0 will remove support for this functionality.
2020-09-20T18:42:17,441 Created temporary directory: /tmp/pip-ephem-wheel-cache-nb7dd994
2020-09-20T18:42:17,446 Created temporary directory: /tmp/pip-req-tracker-pfittsls
2020-09-20T18:42:17,447 Initialized build tracking at /tmp/pip-req-tracker-pfittsls
2020-09-20T18:42:17,447 Created build tracker: /tmp/pip-req-tracker-pfittsls
2020-09-20T18:42:17,447 Entered build tracker: /tmp/pip-req-tracker-pfittsls
2020-09-20T18:42:17,448 Created temporary directory: /tmp/pip-wheel-j47c3kai
2020-09-20T18:42:17,463 1 location(s) to search for versions of pure-interface:
2020-09-20T18:42:17,463 * https://pypi.org/simple/pure-interface/
2020-09-20T18:42:17,464 Fetching project page and analyzing links: https://pypi.org/simple/pure-interface/
2020-09-20T18:42:17,466 Getting page https://pypi.org/simple/pure-interface/
2020-09-20T18:42:17,469 Found index url https://pypi.org/simple
2020-09-20T18:42:17,728   Found link https://files.pythonhosted.org/packages/2d/b9/ae41e7db84a622bb91c69e978a4f4f8f4af0013e74766a93bed4d902c4c7/pure_interface-1.7.0.tar.gz#sha256=43a29aeb39d671578af36c1d382552ec3ecaaf1837f7b96de4f7ffac50e19cdd (from https://pypi.org/simple/pure-interface/), version: 1.7.0
2020-09-20T18:42:17,730   Found link https://files.pythonhosted.org/packages/79/4c/56eaeb36b7103f25642e7631e38deb307406fa82d2315b6c8b84160928d2/pure_interface-1.7.1.tar.gz#sha256=b5082f9a0407f785892bd42972c8d64d7553cf937e091f7a4598b3d25875fe1b (from https://pypi.org/simple/pure-interface/), version: 1.7.1
2020-09-20T18:42:17,731   Found link https://files.pythonhosted.org/packages/bf/85/216b571acd2d2cd06e71a43f86668dd7e854b55645cc6654e14531fd588d/pure_interface-1.7.2.tar.gz#sha256=9057822f60067d8f9e48b51cd87497f4836640d13d5e6be8fb4f2eec0f16d482 (from https://pypi.org/simple/pure-interface/), version: 1.7.2
2020-09-20T18:42:17,732   Found link https://files.pythonhosted.org/packages/95/5d/53dcbfddd7913e47e382395f7ea5edaceb101d693eff3b06adfb936d945b/pure_interface-1.7.3.tar.gz#sha256=69d123d4c0fa625570469d929fbc027a36abac9b206b968ac4ef24230864f944 (from https://pypi.org/simple/pure-interface/), version: 1.7.3
2020-09-20T18:42:17,732   Found link https://files.pythonhosted.org/packages/07/32/3f87992373556b16af188bbe0c67c795d1dd3b1bfc71e57643eedf0215fb/pure_interface-1.7.4.tar.gz#sha256=62e052ffeee16b218b907189f1ef26f228c44cbc3ae93c11b08e7d8cb3fdddcd (from https://pypi.org/simple/pure-interface/), version: 1.7.4
2020-09-20T18:42:17,733   Found link https://files.pythonhosted.org/packages/00/61/81deb150f71387ff3da82a5191e5ed526243830e2230855699498f9f634e/pure_interface-1.8.0.tar.gz#sha256=2d6658f6a49cd74b9c09830cefbb604e7fbb8aebb0c5b4ca14165acb3371d762 (from https://pypi.org/simple/pure-interface/), version: 1.8.0
2020-09-20T18:42:17,734   Found link https://files.pythonhosted.org/packages/14/12/77010b6e41a25092aacb39ccd43727c2af535aa7b5373b68fe6153186dca/pure_interface-1.9.2.tar.gz#sha256=a89af1a44f1bec1b30d45c36adfc340df36036e0ff8d2b7b1b13294cae64bba8 (from https://pypi.org/simple/pure-interface/), version: 1.9.2
2020-09-20T18:42:17,735   Found link https://files.pythonhosted.org/packages/7a/5a/92dff1bdf402d07e8966d03fc88c47a0bf5e8b2ec2c34a166edc5da4fe65/pure_interface-1.9.3.tar.gz#sha256=9b17e8f55986adfa34263df55eab409c53b9f16d1a31b22bd3fad9b478348ed9 (from https://pypi.org/simple/pure-interface/), version: 1.9.3
2020-09-20T18:42:17,736   Found link https://files.pythonhosted.org/packages/90/af/1a97564e054609e51d7ad02febd22e3fa55280f150aeaaaece2e044e2d69/pure_interface-1.9.4.tar.gz#sha256=34e0906f10097c793e5fc3b3c9daddf8860b9f75d154caa31a004171826a662a (from https://pypi.org/simple/pure-interface/), version: 1.9.4
2020-09-20T18:42:17,736   Found link https://files.pythonhosted.org/packages/b5/ed/cab5d5f72b0bc8810f8e10572c48272e195a109cb112b4075d10a83dddb2/pure_interface-1.9.5.tar.gz#sha256=b680b0aa6a7223501019ddaf983171057597ec86d6d25c4d510489f507c06651 (from https://pypi.org/simple/pure-interface/), version: 1.9.5
2020-09-20T18:42:17,737   Found link https://files.pythonhosted.org/packages/6b/9b/7cafad9e1b96180261c7f1d21d4c9f44fae1bd2280b243996be991b78138/pure_interface-1.9.6.tar.gz#sha256=ea51b493a13380aa805af9d0d01b5b97f920eed8d6ddeca2c4964ebc17e7a51d (from https://pypi.org/simple/pure-interface/), version: 1.9.6
2020-09-20T18:42:17,738   Found link https://files.pythonhosted.org/packages/db/f0/f90b78e44de52b719bc9bfbc86e2e00b12319ab8db13fb41c67bc07cd5e9/pure_interface-1.9.7.tar.gz#sha256=51c72a177489c5dea104b12f3eeaa89eca737b29247d802826b2ff3f71ea41a3 (from https://pypi.org/simple/pure-interface/), version: 1.9.7
2020-09-20T18:42:17,739   Found link https://files.pythonhosted.org/packages/11/25/c292d93e1eb1fa03c9e062678180df289d8bf18b185afd0b4bab4f162592/pure_interface-1.9.8.tar.gz#sha256=6f18a3f8b4e7b2d77b01c3546f6e5dfc4b618ffae3867617b8521739f70b1c71 (from https://pypi.org/simple/pure-interface/), version: 1.9.8
2020-09-20T18:42:17,739   Found link https://files.pythonhosted.org/packages/de/10/2e8e2ca7dd3bcf29f0384b193f7c60c9ec8c0283d78a8d515edecf5cb827/pure_interface-2.0.0.tar.gz#sha256=9286f4ff72761d17a9fbae4e03d2f7ead3e1f68a17c9b26f15b76f3018ed2e81 (from https://pypi.org/simple/pure-interface/), version: 2.0.0
2020-09-20T18:42:17,740   Found link https://files.pythonhosted.org/packages/be/d2/31ff5e754fbe5dd5bc3750cc203b63e873eb9024d0adbb039ee8314daca5/pure_interface-2.1.0.tar.gz#sha256=aa0187ca20cac8d107e44c3abe044ba44c372209d6e12e8e801fa12af6ed0a8c (from https://pypi.org/simple/pure-interface/), version: 2.1.0
2020-09-20T18:42:17,741   Found link https://files.pythonhosted.org/packages/f9/9c/cbfe43fa0a9b918547cced08b7fed63b45af6c6ab6221444f3eb90201f74/pure_interface-2.2.0.tar.gz#sha256=e01a88e71d1d49710ec2e48dcc03e6d6e9127e80f0c60c50be334faaa42fb103 (from https://pypi.org/simple/pure-interface/), version: 2.2.0
2020-09-20T18:42:17,742   Found link https://files.pythonhosted.org/packages/9e/e7/c3009f951a7ed55e1e5306601938fce814b873ad828469092d78563b9d59/pure_interface-2.2.1.tar.gz#sha256=ee5176c468faed8bfc4b391ca232557c50fe2ffb4340e233b551038f616a29f6 (from https://pypi.org/simple/pure-interface/), version: 2.2.1
2020-09-20T18:42:17,742   Found link https://files.pythonhosted.org/packages/f7/b3/a6eedd173be68d929b6bb1e6c903b7d7b7c9de9c8958fa2891ca1c16ca9d/pure_interface-3.0.0.tar.gz#sha256=631d41fa042aeeea43b5b7d4fe2c9aacc79076fdd5eec95f7319a630224f1afc (from https://pypi.org/simple/pure-interface/), version: 3.0.0
2020-09-20T18:42:17,750   Found link https://files.pythonhosted.org/packages/92/c0/77e0d89ba5632aec467d9597e1901060a2726069ec0011ea58657684c289/pure_interface-3.0.3-py2.py3-none-any.whl#sha256=d16ca9d3e1e1a421a2353e9cc9cc3df8db538e2d5016c45d13fb42cf680ad33d (from https://pypi.org/simple/pure-interface/), version: 3.0.3
2020-09-20T18:42:17,751   Found link https://files.pythonhosted.org/packages/06/d3/9a8117ba1beffd41a13f31f80d5d6034bd1ff831bd4ed5fae8f9c3ada493/pure_interface-3.0.3.tar.gz#sha256=ec48f779136215ead7f46b157bc55675909553043953d7d5fcbd8776fdea3d72 (from https://pypi.org/simple/pure-interface/), version: 3.0.3
2020-09-20T18:42:17,752   Found link https://files.pythonhosted.org/packages/f2/a7/cb4f66656fbfe7c3b7f3a8b4705bd2a4172649f753700570852787f5e2c9/pure_interface-3.0.4-py2.py3-none-any.whl#sha256=ea3018d6bedd7619a22afd8bd148dc17e23077c171a3470a1b06818a5812e4aa (from https://pypi.org/simple/pure-interface/), version: 3.0.4
2020-09-20T18:42:17,753   Found link https://files.pythonhosted.org/packages/99/a5/89b45482f60983c8dd5a034ef0f8dfd7be2d513df8a12bcef634f9acd340/pure_interface-3.0.4.tar.gz#sha256=9690a23a643414773e7bbf0430525d0bdd48517d8796ec09769998be990f9b9a (from https://pypi.org/simple/pure-interface/), version: 3.0.4
2020-09-20T18:42:17,754   Found link https://files.pythonhosted.org/packages/0d/ec/cd9ebbb195dca2bc6b3331fdfe4ca135d788f2fad57d7e307b3205e6a69f/pure_interface-3.1.0-py2.py3-none-any.whl#sha256=2899cd4d693fb77e5d82488ace3b14ba577fb282ac213f3d010479b59e5e45c4 (from https://pypi.org/simple/pure-interface/), version: 3.1.0
2020-09-20T18:42:17,755   Found link https://files.pythonhosted.org/packages/32/2c/0574fbf55505fb0df97021a7157aff1864f861e92f53478d685ba0ef3550/pure_interface-3.1.0.tar.gz#sha256=c2a443beac0e0265a9795c124554ea87bc5265fcdfe4e0371e7ed739203865cd (from https://pypi.org/simple/pure-interface/), version: 3.1.0
2020-09-20T18:42:17,756   Found link https://files.pythonhosted.org/packages/b0/f9/8a509d30b5e179ff667204a451253abe3fcd7a3e14110cc939bba8ab60b1/pure_interface-3.1.1-py2.py3-none-any.whl#sha256=44c7a60384797b7eeb2ca0fdf994d0cd70e3aba8276837816b3034565055a97d (from https://pypi.org/simple/pure-interface/), version: 3.1.1
2020-09-20T18:42:17,757   Found link https://files.pythonhosted.org/packages/d3/b0/a33914b5ee12b7a96d67dfdac56e4956fd3624cc9a0a1d6f7ff3a9161d23/pure_interface-3.1.1.tar.gz#sha256=08ba7426f67f15dffd10df0796c0e5e939cbe05eb10622a7d3cca3d1e1e55d5d (from https://pypi.org/simple/pure-interface/), version: 3.1.1
2020-09-20T18:42:17,758   Found link https://files.pythonhosted.org/packages/99/a3/add252398337bcc0c93954cde3e6048d8bce60b7fb87ab72e7675451ff30/pure_interface-3.2.0-py2.py3-none-any.whl#sha256=ab82e83f6194f079bd722af0a824bb61861e34f636b16b20269cf3bc0ee3bf38 (from https://pypi.org/simple/pure-interface/), version: 3.2.0
2020-09-20T18:42:17,759   Found link https://files.pythonhosted.org/packages/b0/c6/67058af2f198c7458c70566c6993b312c23a84ec85f6365f2de63b2d785e/pure_interface-3.2.0.tar.gz#sha256=5dbdb61c983e20b07a08db5ef3c4e1b1c3d575f61fb30edff3f6248eb7ad579f (from https://pypi.org/simple/pure-interface/), version: 3.2.0
2020-09-20T18:42:17,760   Found link https://files.pythonhosted.org/packages/fa/f9/69abbd5e1498b72e6f77a440196cda1c81a9a1b2f29a87b27bc4af877731/pure_interface-3.3.0-py2.py3-none-any.whl#sha256=c97fb10326c837a65666f27f141cc7abc96938a3f4ea14d72629ba18364a3852 (from https://pypi.org/simple/pure-interface/), version: 3.3.0
2020-09-20T18:42:17,761   Found link https://files.pythonhosted.org/packages/bf/4e/d067cc4fdf93de95930b5963ec80aab60ee76293b9ecdcf56b3292673207/pure_interface-3.3.0.tar.gz#sha256=f75820c21e508553ee267cf2873bfc67bb7d0b4bfbabbc8bbc4d00aaf7af4707 (from https://pypi.org/simple/pure-interface/), version: 3.3.0
2020-09-20T18:42:17,762   Found link https://files.pythonhosted.org/packages/0d/74/09a92888e41206373574f92c5235fb659894f2ff07e028b0464da64ecb92/pure_interface-3.3.1-py2.py3-none-any.whl#sha256=dd81854181e31e964edba09f348440a4e77ae84af634dcd471d24876d1a82614 (from https://pypi.org/simple/pure-interface/), version: 3.3.1
2020-09-20T18:42:17,763   Found link https://files.pythonhosted.org/packages/d9/0a/47bb1c4ef1e36a063ec82177b41231c261bcc47012393465b7e9bb85b7c4/pure_interface-3.3.1.tar.gz#sha256=7e875b796455dfaaf1bd03f496539524fcc1d267dedcff49260b10bc8ad7842d (from https://pypi.org/simple/pure-interface/), version: 3.3.1
2020-09-20T18:42:17,764   Found link https://files.pythonhosted.org/packages/d0/12/c2bff5b26ef15a2f374d1269d3692147345f0c04ca23cefd7b276c7c04a1/pure_interface-3.3.2-py2.py3-none-any.whl#sha256=67d6e5a47d81d72fa7bed59bf1c354e2ba391a647316cc8e6774234d9200f42a (from https://pypi.org/simple/pure-interface/), version: 3.3.2
2020-09-20T18:42:17,765   Found link https://files.pythonhosted.org/packages/ca/a6/589410951d4eda5bdcbcc51d1f2bc8fda44b7f365e4ba4d4bfd3a7cb74fe/pure_interface-3.3.2.tar.gz#sha256=8630218f16836e5c93fc9089805a94971dd00c56a67aadb391a7d79cbdac6af9 (from https://pypi.org/simple/pure-interface/), version: 3.3.2
2020-09-20T18:42:17,766   Found link https://files.pythonhosted.org/packages/18/24/89c02affa762e10d6062674a5a3eeb42ba1bec3eedcc065ca314a43d7251/pure_interface-3.4.0-py2.py3-none-any.whl#sha256=6f48062073f711b6cf4034bf1e7581fcc268c69bab24563d9b775d15da3c0f7e (from https://pypi.org/simple/pure-interface/), version: 3.4.0
2020-09-20T18:42:17,766   Found link https://files.pythonhosted.org/packages/98/19/01a34e8e253bdefef984a4ed1234f7ee1059d0d62bc7b35179c8be204478/pure_interface-3.4.0.tar.gz#sha256=77ef5a16e6c8225cf5ebdc8dfce7a5c0c02d5968490dbd686b1f26fa3361e334 (from https://pypi.org/simple/pure-interface/), version: 3.4.0
2020-09-20T18:42:17,768   Found link https://files.pythonhosted.org/packages/80/83/c9bb540c05970d43c9d8a6fddc69261b1f65c92d386b53180f301d1cf882/pure_interface-3.4.1-py2.py3-none-any.whl#sha256=c760b5552496a9b41642b9f44ea9e793d3c6d8f04c411d062e3fcb87ac5b3a78 (from https://pypi.org/simple/pure-interface/), version: 3.4.1
2020-09-20T18:42:17,768   Found link https://files.pythonhosted.org/packages/ea/b9/d364c8ce15344362691a6d74d5624deb68750356991958a8c733f464ea83/pure_interface-3.4.1.tar.gz#sha256=da10b32e69ca44c4394a553c00398694feeb8b7f50f96242d7487ee0c0854cba (from https://pypi.org/simple/pure-interface/), version: 3.4.1
2020-09-20T18:42:17,769   Found link https://files.pythonhosted.org/packages/98/ee/e094e64bc88cdd6600195de4f20438ca1284c67f251e8b0ce13936d38f10/pure_interface-3.5.0-py2.py3-none-any.whl#sha256=34de06c02f6d57e0722dd1d96119eea615f23caeb0160a284f7419cf5229166f (from https://pypi.org/simple/pure-interface/), version: 3.5.0
2020-09-20T18:42:17,770   Found link https://files.pythonhosted.org/packages/06/2d/9e30929e142e2c40a3b839114b93f8996d1ea99ccb0b53afc8250f80818c/pure_interface-3.5.0.tar.gz#sha256=bc8e68e83c3ecc1e135e1071b3f507f295bb6ef74d2c52d6dd1a96172d4e3fd6 (from https://pypi.org/simple/pure-interface/), version: 3.5.0
2020-09-20T18:42:17,771   Found link https://files.pythonhosted.org/packages/1d/e4/82406f73f2a125a679192c42e1d94f058a899044b6398ca2f1ebab7ac11f/pure_interface-3.5.1-py2.py3-none-any.whl#sha256=ce1073854079a6bce1e4ac79d5c2f257ce55c9ac88e9e9cfac30d3f2a1840c3b (from https://pypi.org/simple/pure-interface/), version: 3.5.1
2020-09-20T18:42:17,772   Found link https://files.pythonhosted.org/packages/8e/ba/d6ba5f8c927fa0bd5fd8fefa4998b4514ce2277a4fba97f0bcdd49579b7b/pure_interface-3.5.1.tar.gz#sha256=5006c943018741e7912a909be9642d8421ee0837c7b72000ef8ecd4704ee01b2 (from https://pypi.org/simple/pure-interface/), version: 3.5.1
2020-09-20T18:42:17,773   Found link https://files.pythonhosted.org/packages/69/b6/bd5967f81226ca0ee4c8f4924bc9aad1754ef26c0353f0cc0039512337ee/pure_interface-3.5.2-py2.py3-none-any.whl#sha256=fe40ff590288f5945f98c32750dd09c748016a03e407b24a2d6272e0769919c3 (from https://pypi.org/simple/pure-interface/), version: 3.5.2
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2020-09-20T18:42:17,775   Found link https://files.pythonhosted.org/packages/92/60/56311e191389da9fb2db6e9e60b80223acb49496a7f8fbb10cb3ff340a3b/pure_interface-3.5.3-py2.py3-none-any.whl#sha256=3b69dacb2b6af0cc2d6d071f7986e14e795870b36e0dc99ab4f866536101f10d (from https://pypi.org/simple/pure-interface/), version: 3.5.3
2020-09-20T18:42:17,776   Found link https://files.pythonhosted.org/packages/23/c8/9fc97e9a54951f223884866498f81b77b6e8fca91fbf5573f59044d0d9a2/pure_interface-3.5.3.tar.gz#sha256=98509c4f53162987e98739a1f9e841fe1f65518fdef4af2d69af983529d8d0ee (from https://pypi.org/simple/pure-interface/), version: 3.5.3
2020-09-20T18:42:17,780   Found link https://files.pythonhosted.org/packages/aa/e8/21d089d4e8b8b429cb9bfc2e4751eda43d0d51b21622a8f93d1270453714/pure_interface-4.0.0-py2.py3-none-any.whl#sha256=bc4e09b60dd415ce4f02a787d8a9633fb0e1ffb39dc4e017de6a7865b4efdb4d (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.0
2020-09-20T18:42:17,783   Found link https://files.pythonhosted.org/packages/92/8f/8d7ba1166f5466b47fa338d27179f0b69ffc390c42abe14a6ecd205dc152/pure_interface-4.0.0.tar.gz#sha256=382c9ee85c78f680798179c0dbc4e404622df064e4bbf55b3237d4f27e164ce3 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.0
2020-09-20T18:42:17,787   Found link https://files.pythonhosted.org/packages/46/40/944fd96ae47dd20a363dbddf316fdacc8d7db4cd9f928f25ec3da21f6932/pure_interface-4.0.1-py2.py3-none-any.whl#sha256=9340e9ab2bbc7af8258564696e69d97bcd5c4cc29f97e923f490bcaba1244627 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.1
2020-09-20T18:42:17,790   Found link https://files.pythonhosted.org/packages/16/62/924a96a1e4464c0eeaf0f81de172ad7226997701b1c2c757533560d5ed15/pure_interface-4.0.1.tar.gz#sha256=1b89d0222f37b7bc94146f4baebdc77f6a82217df03e18806054c3e84a104731 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.1
2020-09-20T18:42:17,794   Found link https://files.pythonhosted.org/packages/f3/6e/4778799c5cee56573bc195852b1cf4b7c41c15e0357d620d1285ce73ee81/pure_interface-4.0.2-py2.py3-none-any.whl#sha256=c04b5da143398af82fbb88775daf4c01406aeedd8a5a2ecb3690ffde1ecf4c62 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.2
2020-09-20T18:42:17,797   Found link https://files.pythonhosted.org/packages/50/6f/714f70dd1d261dbcf62a88380cbcf1853f845b1c3e2d970e6be7324e27d9/pure_interface-4.0.2.tar.gz#sha256=58faade96091d555cc8c19909b292d7a472b03a4acbdf2cb358994a5aecb0286 (from https://pypi.org/simple/pure-interface/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*), version: 4.0.2
2020-09-20T18:42:17,819 Given no hashes to check 2 links for project 'pure-interface': discarding no candidates
2020-09-20T18:42:17,824 Using version 3.3.0 (newest of versions: 3.3.0)
2020-09-20T18:42:17,831 Collecting pure-interface==3.3.0
2020-09-20T18:42:17,835   Created temporary directory: /tmp/pip-unpack-gd_9lmdy
2020-09-20T18:42:17,951   Downloading pure_interface-3.3.0-py2.py3-none-any.whl (24 kB)
2020-09-20T18:42:17,963   Added pure-interface==3.3.0 from https://files.pythonhosted.org/packages/fa/f9/69abbd5e1498b72e6f77a440196cda1c81a9a1b2f29a87b27bc4af877731/pure_interface-3.3.0-py2.py3-none-any.whl#sha256=c97fb10326c837a65666f27f141cc7abc96938a3f4ea14d72629ba18364a3852 to build tracker '/tmp/pip-req-tracker-pfittsls'
2020-09-20T18:42:17,965   Removed pure-interface==3.3.0 from https://files.pythonhosted.org/packages/fa/f9/69abbd5e1498b72e6f77a440196cda1c81a9a1b2f29a87b27bc4af877731/pure_interface-3.3.0-py2.py3-none-any.whl#sha256=c97fb10326c837a65666f27f141cc7abc96938a3f4ea14d72629ba18364a3852 from build tracker '/tmp/pip-req-tracker-pfittsls'
2020-09-20T18:42:17,970   Saved /tmp/tmp_68_lu38/pure_interface-3.3.0-py2.py3-none-any.whl
2020-09-20T18:42:17,985 Skipping pure-interface, due to already being wheel.
2020-09-20T18:42:17,986 Removed build tracker: '/tmp/pip-req-tracker-pfittsls'