2019-06-29T19:49:35 Created temporary directory: /tmp/pip-ephem-wheel-cache-2a5ei954
2019-06-29T19:49:35 Created temporary directory: /tmp/pip-req-tracker-mz4ehf3p
2019-06-29T19:49:35 Created requirements tracker '/tmp/pip-req-tracker-mz4ehf3p'
2019-06-29T19:49:35 Created temporary directory: /tmp/pip-wheel-nzdlztva
2019-06-29T19:49:35 Collecting collective.js.backbone==1.0.0.1
2019-06-29T19:49:35   1 location(s) to search for versions of collective.js.backbone:
2019-06-29T19:49:35   * https://pypi.org/simple/collective-js-backbone/
2019-06-29T19:49:35   Getting page https://pypi.org/simple/collective-js-backbone/
2019-06-29T19:49:35   Analyzing links from page https://pypi.org/simple/collective-js-backbone/
2019-06-29T19:49:35     Found link https://files.pythonhosted.org/packages/c7/be/8c02973d6df0d092e4e9cf30a57a079ab22be330c1232666bd5656155eec/collective.js.backbone-0.9.2.zip#sha256=b084797394917ec9bebb3cffab7908362cdd6dbc35be76ad1fe91b641d5968f1 (from https://pypi.org/simple/collective-js-backbone/), version: 0.9.2
2019-06-29T19:49:35     Found link https://files.pythonhosted.org/packages/d6/6e/ab0a99cbbd2606bb61bf044a7a892ed7affc3ee10abd63a3ff2c90d6182a/collective.js.backbone-1.0.0.zip#sha256=1e6ee9adc14e98e07827be41e8c21cec23ae513ebb0051ff8eed4fe7f2bebe29 (from https://pypi.org/simple/collective-js-backbone/), version: 1.0.0
2019-06-29T19:49:35     Found link https://files.pythonhosted.org/packages/1b/b7/c6074681026b6a7dac9d628e391425c57753c15d3edd615baee36155cbe6/collective.js.backbone-1.0.0.1.zip#sha256=fe4c3a8d60b50f1611d6b1c64ac4c834d289fccbb0a14308b89860dc6b37e209 (from https://pypi.org/simple/collective-js-backbone/), version: 1.0.0.1
2019-06-29T19:49:35     Found link https://files.pythonhosted.org/packages/18/c1/fd11b746b014d4b56e899b6f87d3391dd07a9fb1c5f09fdcbaf800c5fe2e/collective.js.backbone-1.0.0.2.zip#sha256=4a21a1959f944ade5e32814a9019f70ce75eacdf892757885a9401e4cf08f2b1 (from https://pypi.org/simple/collective-js-backbone/), version: 1.0.0.2
2019-06-29T19:49:35   Using version 1.0.0.1 (newest of versions: 1.0.0.1)
2019-06-29T19:49:35   Created temporary directory: /tmp/pip-unpack-1mxl32zi
2019-06-29T19:49:35   Downloading https://files.pythonhosted.org/packages/1b/b7/c6074681026b6a7dac9d628e391425c57753c15d3edd615baee36155cbe6/collective.js.backbone-1.0.0.1.zip
2019-06-29T19:49:35   Downloading from URL https://files.pythonhosted.org/packages/1b/b7/c6074681026b6a7dac9d628e391425c57753c15d3edd615baee36155cbe6/collective.js.backbone-1.0.0.1.zip#sha256=fe4c3a8d60b50f1611d6b1c64ac4c834d289fccbb0a14308b89860dc6b37e209 (from https://pypi.org/simple/collective-js-backbone/)
2019-06-29T19:49:35   Added collective.js.backbone==1.0.0.1 from https://files.pythonhosted.org/packages/1b/b7/c6074681026b6a7dac9d628e391425c57753c15d3edd615baee36155cbe6/collective.js.backbone-1.0.0.1.zip#sha256=fe4c3a8d60b50f1611d6b1c64ac4c834d289fccbb0a14308b89860dc6b37e209 to build tracker '/tmp/pip-req-tracker-mz4ehf3p'
2019-06-29T19:49:35     Running setup.py (path:/tmp/pip-wheel-nzdlztva/collective.js.backbone/setup.py) egg_info for package collective.js.backbone
2019-06-29T19:49:35     Running command python setup.py egg_info
2019-06-29T19:49:37     Traceback (most recent call last):
2019-06-29T19:49:37       File "<string>", line 1, in <module>
2019-06-29T19:49:37       File "/tmp/pip-wheel-nzdlztva/collective.js.backbone/setup.py", line 9, in <module>
2019-06-29T19:49:37         long_description=open("README.txt").read() + "\n" +
2019-06-29T19:49:37     FileNotFoundError: [Errno 2] No such file or directory: 'README.txt'
2019-06-29T19:49:37 Cleaning up...
2019-06-29T19:49:37   Removing source in /tmp/pip-wheel-nzdlztva/collective.js.backbone
2019-06-29T19:49:37 Removed collective.js.backbone==1.0.0.1 from https://files.pythonhosted.org/packages/1b/b7/c6074681026b6a7dac9d628e391425c57753c15d3edd615baee36155cbe6/collective.js.backbone-1.0.0.1.zip#sha256=fe4c3a8d60b50f1611d6b1c64ac4c834d289fccbb0a14308b89860dc6b37e209 from build tracker '/tmp/pip-req-tracker-mz4ehf3p'
2019-06-29T19:49:37 Removed build tracker '/tmp/pip-req-tracker-mz4ehf3p'
2019-06-29T19:49:37 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-nzdlztva/collective.js.backbone/
2019-06-29T19:49:37 Exception information:
2019-06-29T19:49:37 Traceback (most recent call last):
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-29T19:49:37     status = self.run(options, args)
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-29T19:49:37     resolver.resolve(requirement_set)
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-29T19:49:37     self._resolve_one(requirement_set, req)
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-29T19:49:37     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-29T19:49:37     self.require_hashes
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-29T19:49:37     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-29T19:49:37     self.req.prepare_metadata()
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-29T19:49:37     self.run_egg_info()
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-29T19:49:37     command_desc='python setup.py egg_info')
2019-06-29T19:49:37   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-29T19:49:37     % (command_desc, proc.returncode, cwd))
2019-06-29T19:49:37 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-nzdlztva/collective.js.backbone/