2020-04-25T20:14:08,394 Created temporary directory: /tmp/pip-ephem-wheel-cache-l9cn80rh
2020-04-25T20:14:08,398 Created temporary directory: /tmp/pip-req-tracker-xcvn00s7
2020-04-25T20:14:08,399 Initialized build tracking at /tmp/pip-req-tracker-xcvn00s7
2020-04-25T20:14:08,399 Created build tracker: /tmp/pip-req-tracker-xcvn00s7
2020-04-25T20:14:08,400 Entered build tracker: /tmp/pip-req-tracker-xcvn00s7
2020-04-25T20:14:08,401 Created temporary directory: /tmp/pip-wheel-9n82hn_y
2020-04-25T20:14:08,406 1 location(s) to search for versions of r2k:
2020-04-25T20:14:08,406 * https://pypi.org/simple/r2k/
2020-04-25T20:14:08,407 Fetching project page and analyzing links: https://pypi.org/simple/r2k/
2020-04-25T20:14:08,408 Getting page https://pypi.org/simple/r2k/
2020-04-25T20:14:08,410 Found index url https://pypi.org/simple
2020-04-25T20:14:08,413 Getting credentials from keyring for https://pypi.org/simple
2020-04-25T20:14:08,414 Getting credentials from keyring for pypi.org
2020-04-25T20:14:08,637   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/20/a0/954bdb641a2dee1db0ea44f1f19e4c6f154c15091daebcf88d6067296904/r2k-0.1.0-py3-none-any.whl#sha256=21490f416c14ae7bd0d42e5923436e4db097c8a8d7030ce35a60eb8127cea401 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,639   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/9d/3f/4e76693cd9f60b885b3db29ef6ec6f52d442d78fa7f1f0d85c37b062b507/r2k-0.1.0.tar.gz#sha256=468b256c713d8c5da530cc8587ef5fc0ab08f8bde948ff599000771adfca2430 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,639   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/dd/bd/387103b219357030359cd9d106730516b160f6178cb2f1fe78cd116fd45f/r2k-0.2.0-py3-none-any.whl#sha256=d4f6b2b7665502059eedaf686e1cdf4c6b3edc3f6d2665fe376c3ba709edf06f (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,640   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/83/9f/49b1ba9f0b6c82a5461ee1e4e95d8364103040eaac9ba0ca87f826d6edf8/r2k-0.2.0.tar.gz#sha256=aea346bfd4cf0e84ccfa9f8d071d872a1181cd659e9ed47e595ef9ccf7251bcf (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,641   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/02/c2/992ef273197daf76e4e02d77b3d0c2dcfc67cff8b7b076462e750691fbba/r2k-0.2.1.tar.gz#sha256=9523b338ecc0d74a2a01e9c9f2d72cee80806d5e6c86fbc3e55dc9b67f798733 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,642   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/87/c0/78e45bc4ca8e15c53ec45a221a9410999db4561b7f434b0742710113b2bd/r2k-0.2.2-py3-none-any.whl#sha256=2c65af864348d867cb6731dd15a0fef755c7915a595d653c56050bb185a25206 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,643   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/10/66/e9c3f8a42f365e13a8adf2a3951e1186fb0e9a0654bfe51b91d8cdcc3d03/r2k-0.2.2.tar.gz#sha256=1fba8a770409dd2bc1b099ba8bb9438df036e45d209070964c824908bd173d18 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,643   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/32/8d/3cf64200ef6b3a8e4c2fee019b24049dc9044710f298988bc4127d276b49/r2k-0.2.3-py3-none-any.whl#sha256=af65b38aa071367496659f997df8c9753d1d37171e01e60d973bf17793eacc47 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,644   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/45/35/d4516533fef5980127b455e66eb9922be2f8858a1be3d9fd0bdbdc070b26/r2k-0.2.3.tar.gz#sha256=c4c6d5592468375387d37cf497b59ca00542fa7686243c50a624a4854bb46866 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,644   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/a1/89/4b7098517fc7831a411ebc9ac0d74624c836cac9adf816719389569f741c/r2k-0.2.4-py3-none-any.whl#sha256=6a968d990527d8d43dbc6a41dfbd22167d9b007b4684c3835098f96df26d4193 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,645   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/1f/72/bf21c686c05b380f021c88795441acf8bac22b5100e3185b49e4cdf1ef2f/r2k-0.2.4.tar.gz#sha256=35bbb096dd5e159d60b4b03a1834902c98736c802ec3d4289159caf6a80540ce (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,646   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/55/a2/48287b44e4a1ac1c474e2cded3cd9f0a651ee189085e747b20e447170d9c/r2k-0.2.5-py3-none-any.whl#sha256=111519df6230b81c361a52c8faa4face6b1e46e4362d579c0d9a42faa7235eac (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,647   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/23/52/391accdc8cfb41cd96b6f8c6db9b69b6a53daf2bda98ac75de7b5d0c30b9/r2k-0.2.5.tar.gz#sha256=e82c057c211bb0aba78dad25a9f851fe6097d562d8797e31b313ea5260d1ba1f (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,647   Skipping link: No binaries permitted for r2k: https://files.pythonhosted.org/packages/b7/47/c32bc560d38a3c467ef7c446b9130d8fa3c6231121a2f4d07c96b7d2696c/r2k-0.2.6-py3-none-any.whl#sha256=eb8dc71f0a01e3afbf705005be4c5dbf5c6d1c0aab46962408bdc279984e70c1 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,648   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/5f/74/e41b4c4c28e50b4dc70d979e153ff8c7d7f91591b7927ef03a4fb7719c87/r2k-0.2.6.tar.gz#sha256=0dc9c9fce772d09c885bff75cea6bca0167eff9fa42b92731f37771baeb68691 (from https://pypi.org/simple/r2k/) (requires-python:>=3.8,<4.0)
2020-04-25T20:14:08,655 Given no hashes to check 0 links for project 'r2k': discarding no candidates
2020-04-25T20:14:08,655 ERROR: Could not find a version that satisfies the requirement r2k==0.2.6 (from versions: none)
2020-04-25T20:14:08,656 Cleaning up...
2020-04-25T20:14:08,661 Removed build tracker: '/tmp/pip-req-tracker-xcvn00s7'
2020-04-25T20:14:08,664 ERROR: No matching distribution found for r2k==0.2.6
2020-04-25T20:14:08,665 Exception information:
2020-04-25T20:14:08,665 Traceback (most recent call last):
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-04-25T20:14:08,665     status = self.run(options, args)
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-04-25T20:14:08,665     resolver.resolve(requirement_set)
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-04-25T20:14:08,665     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-04-25T20:14:08,665     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-04-25T20:14:08,665     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-04-25T20:14:08,665     self.link = finder.find_requirement(self, upgrade)
2020-04-25T20:14:08,665   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-04-25T20:14:08,665     'No matching distribution found for %s' % req
2020-04-25T20:14:08,665 pip._internal.exceptions.DistributionNotFound: No matching distribution found for r2k==0.2.6