2020-08-04T12:07:21,739 Created temporary directory: /tmp/pip-ephem-wheel-cache-ua1ze2oj
2020-08-04T12:07:21,743 Created temporary directory: /tmp/pip-req-tracker-gm7bid_y
2020-08-04T12:07:21,744 Initialized build tracking at /tmp/pip-req-tracker-gm7bid_y
2020-08-04T12:07:21,745 Created build tracker: /tmp/pip-req-tracker-gm7bid_y
2020-08-04T12:07:21,745 Entered build tracker: /tmp/pip-req-tracker-gm7bid_y
2020-08-04T12:07:21,746 Created temporary directory: /tmp/pip-wheel-ga1j_k88
2020-08-04T12:07:21,763 1 location(s) to search for versions of native-fork-locking:
2020-08-04T12:07:21,763 * https://pypi.org/simple/native-fork-locking/
2020-08-04T12:07:21,764 Fetching project page and analyzing links: https://pypi.org/simple/native-fork-locking/
2020-08-04T12:07:21,765 Getting page https://pypi.org/simple/native-fork-locking/
2020-08-04T12:07:21,768 Found index url https://pypi.org/simple
2020-08-04T12:07:22,006   Skipping link: No binaries permitted for native-fork-locking: https://files.pythonhosted.org/packages/20/8d/4857dd06dff29d62de4c617d4a075eebce45fbb9ae861f463261649394a6/native_fork_locking-0.1.2-cp27-cp27m-macosx_10_15_x86_64.whl#sha256=299c21ed676c91c52c34793026d286b3f59dfdf9ed1d19ce0202a5bde1827d37 (from https://pypi.org/simple/native-fork-locking/)
2020-08-04T12:07:22,007   Found link https://files.pythonhosted.org/packages/0b/11/61bf01a801423a1b87494b64789b1586dd831287e679901059edd861487d/native_fork_locking-0.1.2.macosx-10.15-x86_64.tar.gz#sha256=f74110cfd97647d736fb26e798456738fa364963fbb32c30d6408d8fc33dc7be (from https://pypi.org/simple/native-fork-locking/), version: 0.1.2.macosx-10.15-x86_64
2020-08-04T12:07:22,008   Skipping link: No binaries permitted for native-fork-locking: https://files.pythonhosted.org/packages/3b/b9/2ec074755ba5fca7d90e154b4d8b92eecd652d5af0784532070010c6e38a/native_fork_locking-0.1.3-cp27-cp27m-macosx_10_15_x86_64.whl#sha256=3d28d32725fcfc3edf0ff5cb446808839263f38a1c996063a7da4213291e9263 (from https://pypi.org/simple/native-fork-locking/)
2020-08-04T12:07:22,008   Found link https://files.pythonhosted.org/packages/2c/f4/a97285743df24a0d7d5caf1ca43a354a9af6651db8ec48deafc1d40ba080/native_fork_locking-0.1.3.macosx-10.15-x86_64.tar.gz#sha256=05af5f405ae3b0d0b2dcfd930b3a0cbf67c0bdf2151f7f45e2d886acb3c81e84 (from https://pypi.org/simple/native-fork-locking/), version: 0.1.3.macosx-10.15-x86_64
2020-08-04T12:07:22,009   Found link https://files.pythonhosted.org/packages/82/90/e6b775fb8322bd466b7d190da5258c7ab3b08fa1afc427a4becab339728d/native-fork-locking-0.2.0.tar.gz#sha256=232bfa4fc41ae6877759a0d8fa9b033ebe4fc89e2450348526a699ccd954adb5 (from https://pypi.org/simple/native-fork-locking/), version: 0.2.0
2020-08-04T12:07:22,009   Skipping link: No binaries permitted for native-fork-locking: https://files.pythonhosted.org/packages/3f/03/0089647feaa03d3e37922aa2461501ce9d6282ba6a2cf2cac9e9f39e009c/native_fork_locking-0.2.0-cp27-cp27m-macosx_10_15_x86_64.whl#sha256=09c09b01d27a4be1a30433582163da943f616cbceace9be25c3911d28fe767bb (from https://pypi.org/simple/native-fork-locking/)
2020-08-04T12:07:22,017 Given no hashes to check 0 links for project 'native-fork-locking': discarding no candidates
2020-08-04T12:07:22,018 ERROR: Could not find a version that satisfies the requirement native-fork-locking==0.2.1 (from versions: 0.1.2.macosx-10.15-x86_64, 0.1.3.macosx-10.15-x86_64, 0.2.0)
2020-08-04T12:07:22,019 ERROR: No matching distribution found for native-fork-locking==0.2.1
2020-08-04T12:07:22,019 Exception information:
2020-08-04T12:07:22,019 Traceback (most recent call last):
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 188, in _main
2020-08-04T12:07:22,019     status = self.run(options, args)
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 185, in wrapper
2020-08-04T12:07:22,019     return func(self, options, args)
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 160, in run
2020-08-04T12:07:22,019     reqs, check_supported_wheels=True
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 179, in resolve
2020-08-04T12:07:22,019     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 362, in _resolve_one
2020-08-04T12:07:22,019     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 313, in _get_abstract_dist_for
2020-08-04T12:07:22,019     self._populate_link(req)
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 279, in _populate_link
2020-08-04T12:07:22,019     req.link = self.finder.find_requirement(req, upgrade)
2020-08-04T12:07:22,019   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index/package_finder.py", line 930, in find_requirement
2020-08-04T12:07:22,019     req)
2020-08-04T12:07:22,019 pip._internal.exceptions.DistributionNotFound: No matching distribution found for native-fork-locking==0.2.1
2020-08-04T12:07:22,027 Removed build tracker: '/tmp/pip-req-tracker-gm7bid_y'