2019-06-29T21:49:03 Created temporary directory: /tmp/pip-ephem-wheel-cache-qxi91c37
2019-06-29T21:49:03 Created temporary directory: /tmp/pip-req-tracker-i_o72syu
2019-06-29T21:49:03 Created requirements tracker '/tmp/pip-req-tracker-i_o72syu'
2019-06-29T21:49:03 Created temporary directory: /tmp/pip-wheel-kwnwst41
2019-06-29T21:49:03 Collecting dubins==0.8
2019-06-29T21:49:03   1 location(s) to search for versions of dubins:
2019-06-29T21:49:03   * https://pypi.org/simple/dubins/
2019-06-29T21:49:03   Getting page https://pypi.org/simple/dubins/
2019-06-29T21:49:03   Analyzing links from page https://pypi.org/simple/dubins/
2019-06-29T21:49:03     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
2019-06-29T21:49:03     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
2019-06-29T21:49:03     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
2019-06-29T21:49:03     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
2019-06-29T21:49:03     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
2019-06-29T21:49:03     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
2019-06-29T21:49:03   Using version 0.8 (newest of versions: 0.8)
2019-06-29T21:49:03   Created temporary directory: /tmp/pip-unpack-pf1_ktka
2019-06-29T21:49:03   Downloading https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz
2019-06-29T21:49:03   Downloading from URL https://files.pythonhosted.org/packages/b6/5f/2f8dcffcf365d36d62877c96f2290baf711e6ce168fc5eba64e9eef83d6f/dubins-0.8.tar.gz#sha256=f2ac5792d6eb53e5ad2c10f868812e0adb327c76686bc41d88c63fcec29c919b (from https://pypi.org/simple/dubins/)
2019-06-29T21:49:03   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-i_o72syu'
2019-06-29T21:49:03     Running setup.py (path:/tmp/pip-wheel-kwnwst41/dubins/setup.py) egg_info for package dubins
2019-06-29T21:49:03     Running command python setup.py egg_info
2019-06-29T21:49:05     Traceback (most recent call last):
2019-06-29T21:49:05       File "<string>", line 1, in <module>
2019-06-29T21:49:05       File "/tmp/pip-wheel-kwnwst41/dubins/setup.py", line 6
2019-06-29T21:49:05         print 'Could not find cython, install it first'
2019-06-29T21:49:05                                                       ^
2019-06-29T21:49:05     SyntaxError: Missing parentheses in call to 'print'. Did you mean print('Could not find cython, install it first')?
2019-06-29T21:49:05 Cleaning up...
2019-06-29T21:49:05   Removing source in /tmp/pip-wheel-kwnwst41/dubins
2019-06-29T21:49:05 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-i_o72syu'
2019-06-29T21:49:05 Removed build tracker '/tmp/pip-req-tracker-i_o72syu'
2019-06-29T21:49:05 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-kwnwst41/dubins/
2019-06-29T21:49:05 Exception information:
2019-06-29T21:49:05 Traceback (most recent call last):
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-29T21:49:05     status = self.run(options, args)
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-29T21:49:05     resolver.resolve(requirement_set)
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-29T21:49:05     self._resolve_one(requirement_set, req)
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-29T21:49:05     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-29T21:49:05     self.require_hashes
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-29T21:49:05     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-29T21:49:05     self.req.prepare_metadata()
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-29T21:49:05     self.run_egg_info()
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-29T21:49:05     command_desc='python setup.py egg_info')
2019-06-29T21:49:05   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-29T21:49:05     % (command_desc, proc.returncode, cwd))
2019-06-29T21:49:05 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-kwnwst41/dubins/