2019-06-29T10:15:42 Created temporary directory: /tmp/pip-ephem-wheel-cache-85yexkr7
2019-06-29T10:15:42 Created temporary directory: /tmp/pip-req-tracker-5of46rm0
2019-06-29T10:15:42 Created requirements tracker '/tmp/pip-req-tracker-5of46rm0'
2019-06-29T10:15:42 Created temporary directory: /tmp/pip-wheel-w55ubana
2019-06-29T10:15:42 Collecting python-prctl==1.5.0
2019-06-29T10:15:42   1 location(s) to search for versions of python-prctl:
2019-06-29T10:15:42   * https://pypi.org/simple/python-prctl/
2019-06-29T10:15:42   Getting page https://pypi.org/simple/python-prctl/
2019-06-29T10:15:42   Analyzing links from page https://pypi.org/simple/python-prctl/
2019-06-29T10:15:42     Found link https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz#sha256=57335a54a7d657c1407448305a56a13cead840802c743fcd915bc382f9ce4fff (from https://pypi.org/simple/python-prctl/), version: 1.5.0
2019-06-29T10:15:42     Found link https://files.pythonhosted.org/packages/09/73/4874f8a927657378d7a20cbdf21692ee08fd641e97e7e401c3a0dca8f2f8/python-prctl-1.6.0.tar.gz#sha256=c7d4a290c0f2ec30b65051864c230063cd806d5d95239dd60b721109d1b9dc75 (from https://pypi.org/simple/python-prctl/), version: 1.6.0
2019-06-29T10:15:42     Found link https://files.pythonhosted.org/packages/2c/a6/a866caf122908583f5f5e27217ca7f956c616e48e35cdb2a4a60ab4c7ad8/python-prctl-1.6.1.tar.gz#sha256=c421350bfe64cb8dd05d7a5b657317e2e45daad573e6e2f0af3e7ca459768d9e (from https://pypi.org/simple/python-prctl/), version: 1.6.1
2019-06-29T10:15:42     Found link https://files.pythonhosted.org/packages/7a/90/61935e2530a76f41e9e4f8ba0fe073d4ad0a3e16c4953156253f939fb057/python-prctl-1.7.tar.gz#sha256=57ebd556616d6ffe1f794f514680e84a03737cb070de37722198d7ad6c8f4fda (from https://pypi.org/simple/python-prctl/), version: 1.7
2019-06-29T10:15:42   Using version 1.5.0 (newest of versions: 1.5.0)
2019-06-29T10:15:42   Created temporary directory: /tmp/pip-unpack-u64c_meo
2019-06-29T10:15:42   Downloading https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz
2019-06-29T10:15:42   Downloading from URL https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz#sha256=57335a54a7d657c1407448305a56a13cead840802c743fcd915bc382f9ce4fff (from https://pypi.org/simple/python-prctl/)
2019-06-29T10:15:42   Added python-prctl==1.5.0 from https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz#sha256=57335a54a7d657c1407448305a56a13cead840802c743fcd915bc382f9ce4fff to build tracker '/tmp/pip-req-tracker-5of46rm0'
2019-06-29T10:15:42     Running setup.py (path:/tmp/pip-wheel-w55ubana/python-prctl/setup.py) egg_info for package python-prctl
2019-06-29T10:15:42     Running command python setup.py egg_info
2019-06-29T10:15:44     You need to install libcap development headers to build this module
2019-06-29T10:15:44 Cleaning up...
2019-06-29T10:15:44   Removing source in /tmp/pip-wheel-w55ubana/python-prctl
2019-06-29T10:15:44 Removed python-prctl==1.5.0 from https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz#sha256=57335a54a7d657c1407448305a56a13cead840802c743fcd915bc382f9ce4fff from build tracker '/tmp/pip-req-tracker-5of46rm0'
2019-06-29T10:15:44 Removed build tracker '/tmp/pip-req-tracker-5of46rm0'
2019-06-29T10:15:44 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-w55ubana/python-prctl/
2019-06-29T10:15:44 Exception information:
2019-06-29T10:15:44 Traceback (most recent call last):
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-29T10:15:44     status = self.run(options, args)
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-29T10:15:44     resolver.resolve(requirement_set)
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-29T10:15:44     self._resolve_one(requirement_set, req)
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-29T10:15:44     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-29T10:15:44     self.require_hashes
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-29T10:15:44     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-29T10:15:44     self.req.prepare_metadata()
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-29T10:15:44     self.run_egg_info()
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-29T10:15:44     command_desc='python setup.py egg_info')
2019-06-29T10:15:44   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-29T10:15:44     % (command_desc, proc.returncode, cwd))
2019-06-29T10:15:44 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-w55ubana/python-prctl/