2019-07-03T01:43:34 Created temporary directory: /tmp/pip-ephem-wheel-cache-v_edz8nf
2019-07-03T01:43:34 Created temporary directory: /tmp/pip-req-tracker-cvkhhs1t
2019-07-03T01:43:34 Created requirements tracker '/tmp/pip-req-tracker-cvkhhs1t'
2019-07-03T01:43:34 Created temporary directory: /tmp/pip-wheel-vxzts0pb
2019-07-03T01:43:34 Collecting pypotrace==0.1.3
2019-07-03T01:43:34   1 location(s) to search for versions of pypotrace:
2019-07-03T01:43:34   * https://pypi.org/simple/pypotrace/
2019-07-03T01:43:34   Getting page https://pypi.org/simple/pypotrace/
2019-07-03T01:43:34   Analyzing links from page https://pypi.org/simple/pypotrace/
2019-07-03T01:43:34     Found link https://files.pythonhosted.org/packages/01/05/a444e108b9bc645fafd02c52eac81bb0b1ed23dc504ca70fad61d6706c57/pypotrace-0.1.tar.gz#sha256=5761e6b60bc8d9e6870aafb65184df57bac46a99287a2aa126162a9eb84376b4 (from https://pypi.org/simple/pypotrace/), version: 0.1
2019-07-03T01:43:34     Found link https://files.pythonhosted.org/packages/1f/a6/8d20d5fc78cd1fadaafcfd3bf0315089756560dbf590b413607bcad8dcb1/pypotrace-0.1.1.tar.gz#sha256=58662529a7b701de85d83a8911b17195fd833cde18ddb1cb4088e36e406c9e49 (from https://pypi.org/simple/pypotrace/), version: 0.1.1
2019-07-03T01:43:34     Found link https://files.pythonhosted.org/packages/a1/30/bab0f7d2f69223a2f687e8ae2ed411ce03ebed5ec8efb5509aec4c432b86/pypotrace-0.1.2.tar.gz#sha256=51a1403645c4e6bd6a2afb75330a27fbf84c5c476b076c58292958594155d496 (from https://pypi.org/simple/pypotrace/), version: 0.1.2
2019-07-03T01:43:34     Found link https://files.pythonhosted.org/packages/28/6f/59ebf9fa50553426d28c0aec6d0690e84cca3841edd10276afaaedb8d02b/pypotrace-0.1.3.tar.gz#sha256=6514cc938867e92d6fdc554f045acfc8f6a8fb28f8694a1e8922f482d0225ef8 (from https://pypi.org/simple/pypotrace/), version: 0.1.3
2019-07-03T01:43:34     Found link https://files.pythonhosted.org/packages/fa/10/cd7ce3148ac390032ad5c6f687ca20f924e4abcaf2f3d9a10dc13cbbe4b2/pypotrace-0.1.4.tar.gz#sha256=2fe7eec8715093d64c0dfb468ea0dd413fe3bd1845983474d66be8f3f4c084a4 (from https://pypi.org/simple/pypotrace/), version: 0.1.4
2019-07-03T01:43:34   Using version 0.1.3 (newest of versions: 0.1.3)
2019-07-03T01:43:34   Created temporary directory: /tmp/pip-unpack-ocm2md9i
2019-07-03T01:43:34   Downloading https://files.pythonhosted.org/packages/28/6f/59ebf9fa50553426d28c0aec6d0690e84cca3841edd10276afaaedb8d02b/pypotrace-0.1.3.tar.gz (224kB)
2019-07-03T01:43:34   Downloading from URL https://files.pythonhosted.org/packages/28/6f/59ebf9fa50553426d28c0aec6d0690e84cca3841edd10276afaaedb8d02b/pypotrace-0.1.3.tar.gz#sha256=6514cc938867e92d6fdc554f045acfc8f6a8fb28f8694a1e8922f482d0225ef8 (from https://pypi.org/simple/pypotrace/)
2019-07-03T01:43:35   Added pypotrace==0.1.3 from https://files.pythonhosted.org/packages/28/6f/59ebf9fa50553426d28c0aec6d0690e84cca3841edd10276afaaedb8d02b/pypotrace-0.1.3.tar.gz#sha256=6514cc938867e92d6fdc554f045acfc8f6a8fb28f8694a1e8922f482d0225ef8 to build tracker '/tmp/pip-req-tracker-cvkhhs1t'
2019-07-03T01:43:35     Running setup.py (path:/tmp/pip-wheel-vxzts0pb/pypotrace/setup.py) egg_info for package pypotrace
2019-07-03T01:43:35     Running command python setup.py egg_info
2019-07-03T01:43:37     Package libagg was not found in the pkg-config search path.
2019-07-03T01:43:37     Perhaps you should add the directory containing `libagg.pc'
2019-07-03T01:43:37     to the PKG_CONFIG_PATH environment variable
2019-07-03T01:43:37     No package 'libagg' found
2019-07-03T01:43:37     Traceback (most recent call last):
2019-07-03T01:43:37       File "<string>", line 1, in <module>
2019-07-03T01:43:37       File "/tmp/pip-wheel-vxzts0pb/pypotrace/setup.py", line 70, in <module>
2019-07-03T01:43:37         cython=CYTHONIZE),
2019-07-03T01:43:37       File "/tmp/pip-wheel-vxzts0pb/pypotrace/setup.py", line 45, in create_ext_obj
2019-07-03T01:43:37         pkg_config_output = subprocess.check_output(args)
2019-07-03T01:43:37       File "/usr/lib/python3.7/subprocess.py", line 395, in check_output
2019-07-03T01:43:37         **kwargs).stdout
2019-07-03T01:43:37       File "/usr/lib/python3.7/subprocess.py", line 487, in run
2019-07-03T01:43:37         output=stdout, stderr=stderr)
2019-07-03T01:43:37     subprocess.CalledProcessError: Command '['pkg-config', '--libs', '--cflags', 'libagg']' returned non-zero exit status 1.
2019-07-03T01:43:37 Cleaning up...
2019-07-03T01:43:37   Removing source in /tmp/pip-wheel-vxzts0pb/pypotrace
2019-07-03T01:43:37 Removed pypotrace==0.1.3 from https://files.pythonhosted.org/packages/28/6f/59ebf9fa50553426d28c0aec6d0690e84cca3841edd10276afaaedb8d02b/pypotrace-0.1.3.tar.gz#sha256=6514cc938867e92d6fdc554f045acfc8f6a8fb28f8694a1e8922f482d0225ef8 from build tracker '/tmp/pip-req-tracker-cvkhhs1t'
2019-07-03T01:43:37 Removed build tracker '/tmp/pip-req-tracker-cvkhhs1t'
2019-07-03T01:43:37 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-vxzts0pb/pypotrace/
2019-07-03T01:43:37 Exception information:
2019-07-03T01:43:37 Traceback (most recent call last):
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-07-03T01:43:37     status = self.run(options, args)
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-07-03T01:43:37     resolver.resolve(requirement_set)
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-07-03T01:43:37     self._resolve_one(requirement_set, req)
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-07-03T01:43:37     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-07-03T01:43:37     self.require_hashes
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-07-03T01:43:37     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-07-03T01:43:37     self.req.prepare_metadata()
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-07-03T01:43:37     self.run_egg_info()
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-07-03T01:43:37     command_desc='python setup.py egg_info')
2019-07-03T01:43:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-07-03T01:43:37     % (command_desc, proc.returncode, cwd))
2019-07-03T01:43:37 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-vxzts0pb/pypotrace/