2019-06-28T08:22:34 Created temporary directory: /tmp/pip-ephem-wheel-cache-tkgg5aq7
2019-06-28T08:22:34 Created temporary directory: /tmp/pip-req-tracker-45ejvosl
2019-06-28T08:22:34 Created requirements tracker '/tmp/pip-req-tracker-45ejvosl'
2019-06-28T08:22:34 Created temporary directory: /tmp/pip-wheel-mpc7hysm
2019-06-28T08:22:34 Collecting btree==0.1.0
2019-06-28T08:22:34   1 location(s) to search for versions of btree:
2019-06-28T08:22:34   * https://pypi.org/simple/btree/
2019-06-28T08:22:34   Getting page https://pypi.org/simple/btree/
2019-06-28T08:22:34   Analyzing links from page https://pypi.org/simple/btree/
2019-06-28T08:22:34     Found link https://files.pythonhosted.org/packages/b3/3f/11eac4dfd0631504b0346bc9283768c949efdc4a71c63146c9161dff4afd/btree-0.1.0.tar.gz#sha256=32597f2265c90ac2e656fb5a11778f561e046cb9df314e0ae4da01677a07e72c (from https://pypi.org/simple/btree/), version: 0.1.0
2019-06-28T08:22:34     Found link https://files.pythonhosted.org/packages/a2/34/833032b6fe68c34961a0757c14d155bdbb6c93cce6a3ca0aaaef1e269088/btree-0.2.0.tar.gz#sha256=33fb3a919b6aa52d2d9cb9ba4201660791cf2addaede7e393200b7df58f109ee (from https://pypi.org/simple/btree/), version: 0.2.0
2019-06-28T08:22:34     Found link https://files.pythonhosted.org/packages/6b/0f/6e75199f9ebabeeea3bd1b907f3d6db8c6131eb3929708ae32d5d19af530/btree-0.2.1.tar.gz#sha256=e0d87f4b5d683fd6af3c73c88ce602719688405ad2129f63a84897d354c0479e (from https://pypi.org/simple/btree/), version: 0.2.1
2019-06-28T08:22:34   Using version 0.1.0 (newest of versions: 0.1.0)
2019-06-28T08:22:34   Created temporary directory: /tmp/pip-unpack-yp__tduj
2019-06-28T08:22:34   Downloading https://files.pythonhosted.org/packages/b3/3f/11eac4dfd0631504b0346bc9283768c949efdc4a71c63146c9161dff4afd/btree-0.1.0.tar.gz
2019-06-28T08:22:34   Downloading from URL https://files.pythonhosted.org/packages/b3/3f/11eac4dfd0631504b0346bc9283768c949efdc4a71c63146c9161dff4afd/btree-0.1.0.tar.gz#sha256=32597f2265c90ac2e656fb5a11778f561e046cb9df314e0ae4da01677a07e72c (from https://pypi.org/simple/btree/)
2019-06-28T08:22:34   Added btree==0.1.0 from https://files.pythonhosted.org/packages/b3/3f/11eac4dfd0631504b0346bc9283768c949efdc4a71c63146c9161dff4afd/btree-0.1.0.tar.gz#sha256=32597f2265c90ac2e656fb5a11778f561e046cb9df314e0ae4da01677a07e72c to build tracker '/tmp/pip-req-tracker-45ejvosl'
2019-06-28T08:22:34     Running setup.py (path:/tmp/pip-wheel-mpc7hysm/btree/setup.py) egg_info for package btree
2019-06-28T08:22:34     Running command python setup.py egg_info
2019-06-28T08:22:36     Traceback (most recent call last):
2019-06-28T08:22:36       File "<string>", line 1, in <module>
2019-06-28T08:22:36       File "/tmp/pip-wheel-mpc7hysm/btree/setup.py", line 6, in <module>
2019-06-28T08:22:36         import paver.tasks
2019-06-28T08:22:36       File "<frozen importlib._bootstrap>", line 983, in _find_and_load
2019-06-28T08:22:36       File "<frozen importlib._bootstrap>", line 963, in _find_and_load_unlocked
2019-06-28T08:22:36       File "<frozen importlib._bootstrap>", line 906, in _find_spec
2019-06-28T08:22:36       File "<frozen importlib._bootstrap_external>", line 1280, in find_spec
2019-06-28T08:22:36       File "<frozen importlib._bootstrap_external>", line 1254, in _get_spec
2019-06-28T08:22:36       File "<frozen importlib._bootstrap_external>", line 1235, in _legacy_get_spec
2019-06-28T08:22:36       File "<frozen importlib._bootstrap>", line 441, in spec_from_loader
2019-06-28T08:22:36       File "<frozen importlib._bootstrap_external>", line 594, in spec_from_file_location
2019-06-28T08:22:36       File "paver-minilib.zip/paver/tasks.py", line 68
2019-06-28T08:22:36         print output
2019-06-28T08:22:36                    ^
2019-06-28T08:22:36     SyntaxError: Missing parentheses in call to 'print'. Did you mean print(output)?
2019-06-28T08:22:36 Cleaning up...
2019-06-28T08:22:36   Removing source in /tmp/pip-wheel-mpc7hysm/btree
2019-06-28T08:22:36 Removed btree==0.1.0 from https://files.pythonhosted.org/packages/b3/3f/11eac4dfd0631504b0346bc9283768c949efdc4a71c63146c9161dff4afd/btree-0.1.0.tar.gz#sha256=32597f2265c90ac2e656fb5a11778f561e046cb9df314e0ae4da01677a07e72c from build tracker '/tmp/pip-req-tracker-45ejvosl'
2019-06-28T08:22:36 Removed build tracker '/tmp/pip-req-tracker-45ejvosl'
2019-06-28T08:22:36 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-mpc7hysm/btree/
2019-06-28T08:22:36 Exception information:
2019-06-28T08:22:36 Traceback (most recent call last):
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T08:22:36     status = self.run(options, args)
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T08:22:36     resolver.resolve(requirement_set)
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T08:22:36     self._resolve_one(requirement_set, req)
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T08:22:36     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T08:22:36     self.require_hashes
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T08:22:36     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T08:22:36     self.req.prepare_metadata()
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T08:22:36     self.run_egg_info()
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T08:22:36     command_desc='python setup.py egg_info')
2019-06-28T08:22:36   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T08:22:36     % (command_desc, proc.returncode, cwd))
2019-06-28T08:22:36 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-mpc7hysm/btree/