2020-04-22T18:15:35,934 Created temporary directory: /tmp/pip-ephem-wheel-cache-pl2h1p55
2020-04-22T18:15:35,938 Created temporary directory: /tmp/pip-req-tracker-yye60_wp
2020-04-22T18:15:35,939 Initialized build tracking at /tmp/pip-req-tracker-yye60_wp
2020-04-22T18:15:35,940 Created build tracker: /tmp/pip-req-tracker-yye60_wp
2020-04-22T18:15:35,940 Entered build tracker: /tmp/pip-req-tracker-yye60_wp
2020-04-22T18:15:35,941 Created temporary directory: /tmp/pip-wheel-gy_sd65v
2020-04-22T18:15:35,947 1 location(s) to search for versions of wagtail-srcset:
2020-04-22T18:15:35,947 * https://pypi.org/simple/wagtail-srcset/
2020-04-22T18:15:35,947 Fetching project page and analyzing links: https://pypi.org/simple/wagtail-srcset/
2020-04-22T18:15:35,948 Getting page https://pypi.org/simple/wagtail-srcset/
2020-04-22T18:15:35,951 Found index url https://pypi.org/simple
2020-04-22T18:15:35,954 Getting credentials from keyring for https://pypi.org/simple
2020-04-22T18:15:35,954 Getting credentials from keyring for pypi.org
2020-04-22T18:15:36,176   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/17/26/afa2bc8c007888ba70d6e36825745a4b87bd815a2f0b77d4a6173bf458e5/wagtail-srcset-0.1.0.tar.gz#sha256=e0c3bb9c706965bb31ff8a45bcf9aa67f4cc14b3cb4eadfdac4c10b2b1f4b3bb (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,177   Skipping link: No binaries permitted for wagtail-srcset: https://files.pythonhosted.org/packages/6b/d3/85a3c704875116b31a28cceb939aac2c2d855ad22a3f24f257df1d389bdb/wagtail_srcset-0.1.0-py3-none-any.whl#sha256=6bb1f85074acd08a8f850ef6e9e6fc11877ddf0e1bbed0bf6dfedcf41e08215a (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,178   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/d8/fa/2ce49db43fb683afa2bdbb8704a3d2cb1fb8fb61c5bec2344fb63c79f017/wagtail-srcset-0.1.1.tar.gz#sha256=66f566a4e2b1aea8d9475b465b1b2b2eec9a76a04bfdbc975ff1d25fed78579f (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,178   Skipping link: No binaries permitted for wagtail-srcset: https://files.pythonhosted.org/packages/3c/d6/4af4e7425a8ff7e8c3953a64ff78a521b6f7d2fa080dc7db25d21716ca5b/wagtail_srcset-0.1.1-py3-none-any.whl#sha256=00ef3ae90f8176862220ecb831ee22e6c80b5a3757faa0edb7d260babcbba3b9 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,179   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/14/33/a541d9ac329c8a1eeca3a21ca5d6492500fbee63ba8b9fc68cb97aa2759c/wagtail-srcset-0.1.2.tar.gz#sha256=8e6b629af6a50c2a47262296452736855475d2635038e4258d0b8fd5a5e343e3 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,180   Skipping link: No binaries permitted for wagtail-srcset: https://files.pythonhosted.org/packages/0b/ff/8af93aed6a9b0da48b9562e572f616b0c587650e0f821a9e211d432a33f8/wagtail_srcset-0.1.2-py3-none-any.whl#sha256=763c7c16421d2abd031debda9871291cc0c6857c959968d26c1e2cda54be28a4 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,181   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/56/88/addf451d23b9aa0bd98fd8ad3e063bdb4369241d5b730b19c18b5371219a/wagtail-srcset-0.1.3.tar.gz#sha256=95eebb573b4a52c4dfb912b80333a481253a59a8b1ae85a6180b2ebbb620ef06 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,181   Skipping link: No binaries permitted for wagtail-srcset: https://files.pythonhosted.org/packages/0e/37/9bf47f0934c814ab0d91aef985ddb807c677a02002c169b405d300518516/wagtail_srcset-0.1.3-py3-none-any.whl#sha256=c918746230291c1b9e163823a2d449abd2cee0b52f45be6d227481aa11aaa601 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,182   Link requires a different Python (3.7.3 not in: '>=3.8,<4.0'): https://files.pythonhosted.org/packages/a5/72/fbe3195bf2a003d456f6d02e13507bc3980a89c282c0739113bac1d31e3e/wagtail-srcset-0.1.4.tar.gz#sha256=b2f189d8ce202c5687d738dc4455cd9cecbdc320473b8b7526e68eea16df8744 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,183   Skipping link: No binaries permitted for wagtail-srcset: https://files.pythonhosted.org/packages/91/fb/0bee7ebd069f7a560eeb2c49d5d993b19211b8de9fb35ff3e0ba371710a7/wagtail_srcset-0.1.4-py3-none-any.whl#sha256=77043564c3558ab46ad73bf16ab4aaff15ce2d3793258a842dc4bf5ac83f2ff6 (from https://pypi.org/simple/wagtail-srcset/) (requires-python:>=3.8,<4.0)
2020-04-22T18:15:36,189 Given no hashes to check 0 links for project 'wagtail-srcset': discarding no candidates
2020-04-22T18:15:36,190 ERROR: Could not find a version that satisfies the requirement wagtail-srcset==0.1.4 (from versions: none)
2020-04-22T18:15:36,191 Cleaning up...
2020-04-22T18:15:36,196 Removed build tracker: '/tmp/pip-req-tracker-yye60_wp'
2020-04-22T18:15:36,199 ERROR: No matching distribution found for wagtail-srcset==0.1.4
2020-04-22T18:15:36,199 Exception information:
2020-04-22T18:15:36,199 Traceback (most recent call last):
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 186, in _main
2020-04-22T18:15:36,199     status = self.run(options, args)
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 161, in run
2020-04-22T18:15:36,199     resolver.resolve(requirement_set)
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 177, in resolve
2020-04-22T18:15:36,199     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 333, in _resolve_one
2020-04-22T18:15:36,199     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/legacy_resolve.py", line 281, in _get_abstract_dist_for
2020-04-22T18:15:36,199     req.populate_link(self.finder, upgrade_allowed, require_hashes)
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 249, in populate_link
2020-04-22T18:15:36,199     self.link = finder.find_requirement(self, upgrade)
2020-04-22T18:15:36,199   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 927, in find_requirement
2020-04-22T18:15:36,199     'No matching distribution found for %s' % req
2020-04-22T18:15:36,199 pip._internal.exceptions.DistributionNotFound: No matching distribution found for wagtail-srcset==0.1.4