2019-06-28T22:06:10 Created temporary directory: /tmp/pip-ephem-wheel-cache-hek2i5ry
2019-06-28T22:06:10 Created temporary directory: /tmp/pip-req-tracker-234ezjbt
2019-06-28T22:06:10 Created requirements tracker '/tmp/pip-req-tracker-234ezjbt'
2019-06-28T22:06:10 Created temporary directory: /tmp/pip-wheel-6_fva0k_
2019-06-28T22:06:10 Collecting gperf==0.1dev
2019-06-28T22:06:10   1 location(s) to search for versions of gperf:
2019-06-28T22:06:10   * https://pypi.org/simple/gperf/
2019-06-28T22:06:10   Getting page https://pypi.org/simple/gperf/
2019-06-28T22:06:10   Analyzing links from page https://pypi.org/simple/gperf/
2019-06-28T22:06:10     Found link https://files.pythonhosted.org/packages/6a/05/608ff0c10a6f882c437293b61a1f6cf8d311e48a6d642321d3167397c8cd/gperf-0.1dev.tar.gz#sha256=5436cd6ae5cfb71f7b3e7d09863b94b49a1e3467269ca3ec215bf07815c89756 (from https://pypi.org/simple/gperf/), version: 0.1dev
2019-06-28T22:06:10     Found link https://files.pythonhosted.org/packages/e9/ff/888648351c9fe76bb1be058c65a470f97cd905729c492b530f92835ebf4a/gperf-0.2.tar.gz#sha256=6b7e254ac2cfd5d4bbdd4f4d42d22459e116d7ca324e1d1df6bdea5c94fe31cf (from https://pypi.org/simple/gperf/), version: 0.2
2019-06-28T22:06:10   Using version 0.1.dev0 (newest of versions: 0.1.dev0)
2019-06-28T22:06:10   Created temporary directory: /tmp/pip-unpack-b4yfwxrd
2019-06-28T22:06:10   Downloading https://files.pythonhosted.org/packages/6a/05/608ff0c10a6f882c437293b61a1f6cf8d311e48a6d642321d3167397c8cd/gperf-0.1dev.tar.gz
2019-06-28T22:06:10   Downloading from URL https://files.pythonhosted.org/packages/6a/05/608ff0c10a6f882c437293b61a1f6cf8d311e48a6d642321d3167397c8cd/gperf-0.1dev.tar.gz#sha256=5436cd6ae5cfb71f7b3e7d09863b94b49a1e3467269ca3ec215bf07815c89756 (from https://pypi.org/simple/gperf/)
2019-06-28T22:06:10   Added gperf==0.1dev from https://files.pythonhosted.org/packages/6a/05/608ff0c10a6f882c437293b61a1f6cf8d311e48a6d642321d3167397c8cd/gperf-0.1dev.tar.gz#sha256=5436cd6ae5cfb71f7b3e7d09863b94b49a1e3467269ca3ec215bf07815c89756 to build tracker '/tmp/pip-req-tracker-234ezjbt'
2019-06-28T22:06:10     Running setup.py (path:/tmp/pip-wheel-6_fva0k_/gperf/setup.py) egg_info for package gperf
2019-06-28T22:06:10     Running command python setup.py egg_info
2019-06-28T22:06:11     Traceback (most recent call last):
2019-06-28T22:06:11       File "<string>", line 1, in <module>
2019-06-28T22:06:11       File "/tmp/pip-wheel-6_fva0k_/gperf/setup.py", line 27, in <module>
2019-06-28T22:06:11         long_description=open('README.rst').read(),
2019-06-28T22:06:11     FileNotFoundError: [Errno 2] No such file or directory: 'README.rst'
2019-06-28T22:06:11 Cleaning up...
2019-06-28T22:06:11   Removing source in /tmp/pip-wheel-6_fva0k_/gperf
2019-06-28T22:06:12 Removed gperf==0.1dev from https://files.pythonhosted.org/packages/6a/05/608ff0c10a6f882c437293b61a1f6cf8d311e48a6d642321d3167397c8cd/gperf-0.1dev.tar.gz#sha256=5436cd6ae5cfb71f7b3e7d09863b94b49a1e3467269ca3ec215bf07815c89756 from build tracker '/tmp/pip-req-tracker-234ezjbt'
2019-06-28T22:06:12 Removed build tracker '/tmp/pip-req-tracker-234ezjbt'
2019-06-28T22:06:12 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-6_fva0k_/gperf/
2019-06-28T22:06:12 Exception information:
2019-06-28T22:06:12 Traceback (most recent call last):
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T22:06:12     status = self.run(options, args)
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T22:06:12     resolver.resolve(requirement_set)
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T22:06:12     self._resolve_one(requirement_set, req)
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T22:06:12     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T22:06:12     self.require_hashes
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T22:06:12     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T22:06:12     self.req.prepare_metadata()
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T22:06:12     self.run_egg_info()
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T22:06:12     command_desc='python setup.py egg_info')
2019-06-28T22:06:12   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T22:06:12     % (command_desc, proc.returncode, cwd))
2019-06-28T22:06:12 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-6_fva0k_/gperf/