2019-06-28T23:46:27 Created temporary directory: /tmp/pip-ephem-wheel-cache-8s24bhlx
2019-06-28T23:46:27 Created temporary directory: /tmp/pip-req-tracker-pejicwtu
2019-06-28T23:46:27 Created requirements tracker '/tmp/pip-req-tracker-pejicwtu'
2019-06-28T23:46:27 Created temporary directory: /tmp/pip-wheel-szfiwdf4
2019-06-28T23:46:27 Collecting doublecheck==0.1pre2012-05-08T09-57-27
2019-06-28T23:46:27   1 location(s) to search for versions of doublecheck:
2019-06-28T23:46:27   * https://pypi.org/simple/doublecheck/
2019-06-28T23:46:27   Getting page https://pypi.org/simple/doublecheck/
2019-06-28T23:46:27   Analyzing links from page https://pypi.org/simple/doublecheck/
2019-06-28T23:46:27     Found link https://files.pythonhosted.org/packages/22/8f/a1098b3523c1130d8c5d1fefb2bdb9e243a5b8bf10d3867c21ad3e487b51/doublecheck-0.1pre2012-05-08T09-57-27.tar.gz#sha256=5badc6704a8e1d6cadd2db5342086e8fd7e13117a33c29fbe1cbcedf9e7757c0 (from https://pypi.org/simple/doublecheck/), version: 0.1pre2012-05-08T09-57-27
2019-06-28T23:46:27     Found link https://files.pythonhosted.org/packages/08/77/c4a44bd4322e0df6bd5cf313c22d9dee9cfa7068626dc12706b3f0000972/doublecheck-0.1pre2012-05-08T10-01-13.tar.gz#sha256=3317173e8d297d327bdff268e3b78c5ffb791d66dea3569abed25ff25765306c (from https://pypi.org/simple/doublecheck/), version: 0.1pre2012-05-08T10-01-13
2019-06-28T23:46:27     Found link https://files.pythonhosted.org/packages/af/1b/2c476929a1847655ff6c844585a9ba3d8acf5488cefdc162c4c690485bd7/doublecheck-0.1pre2012-05-08T10-05-14.tar.gz#sha256=61a071e1f1e609607a8394a220a6ad09d290e504266c61328883646ca27bbe53 (from https://pypi.org/simple/doublecheck/), version: 0.1pre2012-05-08T10-05-14
2019-06-28T23:46:27   Using version 0.1pre2012-05-08T09-57-27 (newest of versions: 0.1pre2012-05-08T09-57-27)
2019-06-28T23:46:27   Created temporary directory: /tmp/pip-unpack-43viajsh
2019-06-28T23:46:27   Downloading https://files.pythonhosted.org/packages/22/8f/a1098b3523c1130d8c5d1fefb2bdb9e243a5b8bf10d3867c21ad3e487b51/doublecheck-0.1pre2012-05-08T09-57-27.tar.gz
2019-06-28T23:46:27   Downloading from URL https://files.pythonhosted.org/packages/22/8f/a1098b3523c1130d8c5d1fefb2bdb9e243a5b8bf10d3867c21ad3e487b51/doublecheck-0.1pre2012-05-08T09-57-27.tar.gz#sha256=5badc6704a8e1d6cadd2db5342086e8fd7e13117a33c29fbe1cbcedf9e7757c0 (from https://pypi.org/simple/doublecheck/)
2019-06-28T23:46:27   Added doublecheck==0.1pre2012-05-08T09-57-27 from https://files.pythonhosted.org/packages/22/8f/a1098b3523c1130d8c5d1fefb2bdb9e243a5b8bf10d3867c21ad3e487b51/doublecheck-0.1pre2012-05-08T09-57-27.tar.gz#sha256=5badc6704a8e1d6cadd2db5342086e8fd7e13117a33c29fbe1cbcedf9e7757c0 to build tracker '/tmp/pip-req-tracker-pejicwtu'
2019-06-28T23:46:27     Running setup.py (path:/tmp/pip-wheel-szfiwdf4/doublecheck/setup.py) egg_info for package doublecheck
2019-06-28T23:46:27     Running command python setup.py egg_info
2019-06-28T23:46:28     Traceback (most recent call last):
2019-06-28T23:46:28       File "<string>", line 1, in <module>
2019-06-28T23:46:28       File "/tmp/pip-wheel-szfiwdf4/doublecheck/setup.py", line 13, in <module>
2019-06-28T23:46:28         long_description = open('README.md').read(),
2019-06-28T23:46:28     FileNotFoundError: [Errno 2] No such file or directory: 'README.md'
2019-06-28T23:46:29 Cleaning up...
2019-06-28T23:46:29   Removing source in /tmp/pip-wheel-szfiwdf4/doublecheck
2019-06-28T23:46:29 Removed doublecheck==0.1pre2012-05-08T09-57-27 from https://files.pythonhosted.org/packages/22/8f/a1098b3523c1130d8c5d1fefb2bdb9e243a5b8bf10d3867c21ad3e487b51/doublecheck-0.1pre2012-05-08T09-57-27.tar.gz#sha256=5badc6704a8e1d6cadd2db5342086e8fd7e13117a33c29fbe1cbcedf9e7757c0 from build tracker '/tmp/pip-req-tracker-pejicwtu'
2019-06-28T23:46:29 Removed build tracker '/tmp/pip-req-tracker-pejicwtu'
2019-06-28T23:46:29 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-szfiwdf4/doublecheck/
2019-06-28T23:46:29 Exception information:
2019-06-28T23:46:29 Traceback (most recent call last):
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T23:46:29     status = self.run(options, args)
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T23:46:29     resolver.resolve(requirement_set)
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T23:46:29     self._resolve_one(requirement_set, req)
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T23:46:29     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T23:46:29     self.require_hashes
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T23:46:29     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T23:46:29     self.req.prepare_metadata()
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T23:46:29     self.run_egg_info()
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T23:46:29     command_desc='python setup.py egg_info')
2019-06-28T23:46:29   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T23:46:29     % (command_desc, proc.returncode, cwd))
2019-06-28T23:46:29 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-szfiwdf4/doublecheck/