2021-07-09T19:28:03,660 Created temporary directory: /tmp/pip-ephem-wheel-cache-t1ro2k7i
2021-07-09T19:28:03,663 Created temporary directory: /tmp/pip-req-tracker-gdnsdyk9
2021-07-09T19:28:03,663 Initialized build tracking at /tmp/pip-req-tracker-gdnsdyk9
2021-07-09T19:28:03,664 Created build tracker: /tmp/pip-req-tracker-gdnsdyk9
2021-07-09T19:28:03,664 Entered build tracker: /tmp/pip-req-tracker-gdnsdyk9
2021-07-09T19:28:03,665 Created temporary directory: /tmp/pip-wheel-d9ixl21l
2021-07-09T19:28:03,698 1 location(s) to search for versions of dubins:
2021-07-09T19:28:03,698 * https://pypi.org/simple/dubins/
2021-07-09T19:28:03,699 Fetching project page and analyzing links: https://pypi.org/simple/dubins/
2021-07-09T19:28:03,699 Getting page https://pypi.org/simple/dubins/
2021-07-09T19:28:03,700 Found index url https://pypi.org/simple
2021-07-09T19:28:03,791   Found link https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz#sha256=f2ac5792d6eb53e5ad2c10f868812e0adb327c76686bc41d88c63fcec29c919b (from https://pypi.org/simple/dubins/), version: 0.8
2021-07-09T19:28:03,792   Found link https://files.pythonhosted.org/packages/c8/7b/3daf647da852559cf086c9e6235677aa9f8e5925e91910d1eee99da5c960/dubins-0.8.1.tar.gz#sha256=18b149fcfe020f86b1d565929bdded162ea45841d7bbd61b35ff01e385253959 (from https://pypi.org/simple/dubins/), version: 0.8.1
2021-07-09T19:28:03,792   Found link https://files.pythonhosted.org/packages/72/1d/d495715f962344f9277dc3ae245cc27ca5c1acb1b2f65bb80d4765daa5d9/dubins-0.9.1.tar.gz#sha256=ddc42c2951b8346f2a8659704c4f3f61139bad7e87c3c11087bce2f8e25ba8c3 (from https://pypi.org/simple/dubins/), version: 0.9.1
2021-07-09T19:28:03,792   Found link https://files.pythonhosted.org/packages/10/a9/7c90bdb7c2836906299e6b8e10892a7e6f4777a6c4d33b028da2fadbd621/dubins-0.9.2.tar.gz#sha256=37b988e5f4de7472fb81b34ffb920dba38c1e1ad754e2b2e8c156680b17d5999 (from https://pypi.org/simple/dubins/), version: 0.9.2
2021-07-09T19:28:03,793   Found link https://files.pythonhosted.org/packages/74/cb/07b5ebd8bcce815eac2e3307d10f36a2f9bcaf1eef8c77c7f0701e2a7de3/dubins-1.0.0.tar.gz#sha256=bc5f29a31e0ec87054304e4cabd520257f01e4aebfc89316b876ee4c15e478f4 (from https://pypi.org/simple/dubins/), version: 1.0.0
2021-07-09T19:28:03,793   Found link https://files.pythonhosted.org/packages/07/8c/f9bbfd5c015ccbd792c9bf11f331ed63bb26b3602b41e22c1099360bfe5a/dubins-1.0.1.tar.gz#sha256=2b761b8f9f6d4270867377c18b93d74c63ed4650c98dca485ed81323861f4934 (from https://pypi.org/simple/dubins/), version: 1.0.1
2021-07-09T19:28:03,793 Skipping link: not a file: https://pypi.org/simple/dubins/
2021-07-09T19:28:03,810 Given no hashes to check 1 links for project 'dubins': discarding no candidates
2021-07-09T19:28:03,828 Collecting dubins==0.8
2021-07-09T19:28:03,829   Created temporary directory: /tmp/pip-unpack-kdffpyqv
2021-07-09T19:28:04,004   Downloading dubins-0.8.tar.gz (28 kB)
2021-07-09T19:28:04,048   Added dubins==0.8 from https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz#sha256=f2ac5792d6eb53e5ad2c10f868812e0adb327c76686bc41d88c63fcec29c919b to build tracker '/tmp/pip-req-tracker-gdnsdyk9'
2021-07-09T19:28:04,049     Running setup.py (path:/tmp/pip-wheel-d9ixl21l/dubins_4f34d945ff0d45d8ab42be58cc81c541/setup.py) egg_info for package dubins
2021-07-09T19:28:04,050     Created temporary directory: /tmp/pip-pip-egg-info-elaaqg_7
2021-07-09T19:28:04,050     Running command python setup.py egg_info
2021-07-09T19:28:04,679     Traceback (most recent call last):
2021-07-09T19:28:04,680       File "<string>", line 1, in <module>
2021-07-09T19:28:04,680       File "/tmp/pip-wheel-d9ixl21l/dubins_4f34d945ff0d45d8ab42be58cc81c541/setup.py", line 6
2021-07-09T19:28:04,681         print 'Could not find cython, install it first'
2021-07-09T19:28:04,681               ^
2021-07-09T19:28:04,681     SyntaxError: Missing parentheses in call to 'print'. Did you mean print('Could not find cython, install it first')?
2021-07-09T19:28:04,729 WARNING: Discarding https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz#sha256=f2ac5792d6eb53e5ad2c10f868812e0adb327c76686bc41d88c63fcec29c919b (from https://pypi.org/simple/dubins/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2021-07-09T19:28:04,731 ERROR: Could not find a version that satisfies the requirement dubins==0.8 (from versions: 0.8, 0.8.1, 0.9.1, 0.9.2, 1.0.0, 1.0.1)
2021-07-09T19:28:04,731 ERROR: No matching distribution found for dubins==0.8
2021-07-09T19:28:04,732 Exception information:
2021-07-09T19:28:04,732 Traceback (most recent call last):
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-09T19:28:04,732     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-07-09T19:28:04,732     raise RequirementsConflicted(criterion)
2021-07-09T19:28:04,732 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('dubins==0.8')
2021-07-09T19:28:04,732 
2021-07-09T19:28:04,732 During handling of the above exception, another exception occurred:
2021-07-09T19:28:04,732 
2021-07-09T19:28:04,732 Traceback (most recent call last):
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-07-09T19:28:04,732     result = self._result = resolver.resolve(
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-09T19:28:04,732     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-07-09T19:28:04,732     raise ResolutionImpossible(e.criterion.information)
2021-07-09T19:28:04,732 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('dubins==0.8'), parent=None)]
2021-07-09T19:28:04,732 
2021-07-09T19:28:04,732 The above exception was the direct cause of the following exception:
2021-07-09T19:28:04,732 
2021-07-09T19:28:04,732 Traceback (most recent call last):
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-09T19:28:04,732     status = self.run(options, args)
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-09T19:28:04,732     return func(self, options, args)
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 142, in run
2021-07-09T19:28:04,732     requirement_set = resolver.resolve(
2021-07-09T19:28:04,732   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-07-09T19:28:04,732     raise error from e
2021-07-09T19:28:04,732 pip._internal.exceptions.DistributionNotFound: No matching distribution found for dubins==0.8
2021-07-09T19:28:04,736 Removed dubins==0.8 from https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz#sha256=f2ac5792d6eb53e5ad2c10f868812e0adb327c76686bc41d88c63fcec29c919b from build tracker '/tmp/pip-req-tracker-gdnsdyk9'
2021-07-09T19:28:04,737 Removed build tracker: '/tmp/pip-req-tracker-gdnsdyk9'