2019-07-13T20:49:11 Created temporary directory: /tmp/pip-ephem-wheel-cache-qd5xh_4q
2019-07-13T20:49:11 Created temporary directory: /tmp/pip-req-tracker-awhq432p
2019-07-13T20:49:11 Created requirements tracker '/tmp/pip-req-tracker-awhq432p'
2019-07-13T20:49:11 Created temporary directory: /tmp/pip-wheel-h5rrfoja
2019-07-13T20:49:11 Collecting calver-test==2019.03.29
2019-07-13T20:49:11   1 location(s) to search for versions of calver-test:
2019-07-13T20:49:11   * https://pypi.org/simple/calver-test/
2019-07-13T20:49:11   Getting page https://pypi.org/simple/calver-test/
2019-07-13T20:49:11   Analyzing links from page https://pypi.org/simple/calver-test/
2019-07-13T20:49:11     Found link https://files.pythonhosted.org/packages/d8/ab/a938831efffec24b8262b7f1af639a0e53eedc3c9f7fc182aac6f0d7140c/calver-test-2019.03.29.tar.gz#sha256=a588c719bbeb8c9bc3a3aaca3a2a26e488fed0e1fb9c442e5ac18bee8f9f8153 (from https://pypi.org/simple/calver-test/), version: 2019.03.29
2019-07-13T20:49:11   Using version 2019.3.29 (newest of versions: 2019.3.29)
2019-07-13T20:49:11   Created temporary directory: /tmp/pip-unpack-7iwgb335
2019-07-13T20:49:11   Downloading https://files.pythonhosted.org/packages/d8/ab/a938831efffec24b8262b7f1af639a0e53eedc3c9f7fc182aac6f0d7140c/calver-test-2019.03.29.tar.gz
2019-07-13T20:49:11   Downloading from URL https://files.pythonhosted.org/packages/d8/ab/a938831efffec24b8262b7f1af639a0e53eedc3c9f7fc182aac6f0d7140c/calver-test-2019.03.29.tar.gz#sha256=a588c719bbeb8c9bc3a3aaca3a2a26e488fed0e1fb9c442e5ac18bee8f9f8153 (from https://pypi.org/simple/calver-test/)
2019-07-13T20:49:11 Cleaning up...
2019-07-13T20:49:11 Removed build tracker '/tmp/pip-req-tracker-awhq432p'
2019-07-13T20:49:11 ERROR: Exception:
2019-07-13T20:49:11 Traceback (most recent call last):
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1645, in gzopen
2019-07-13T20:49:11     t = cls.taropen(name, mode, fileobj, **kwargs)
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1621, in taropen
2019-07-13T20:49:11     return cls(name, mode, fileobj, **kwargs)
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1484, in __init__
2019-07-13T20:49:11     self.firstmember = self.next()
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 2289, in next
2019-07-13T20:49:11     tarinfo = self.tarinfo.fromtarfile(self)
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1094, in fromtarfile
2019-07-13T20:49:11     buf = tarfile.fileobj.read(BLOCKSIZE)
2019-07-13T20:49:11   File "/usr/lib/python3.7/gzip.py", line 276, in read
2019-07-13T20:49:11     return self._buffer.read(size)
2019-07-13T20:49:11   File "/usr/lib/python3.7/_compression.py", line 68, in readinto
2019-07-13T20:49:11     data = self.read(len(byte_view))
2019-07-13T20:49:11   File "/usr/lib/python3.7/gzip.py", line 463, in read
2019-07-13T20:49:11     if not self._read_gzip_header():
2019-07-13T20:49:11   File "/usr/lib/python3.7/gzip.py", line 411, in _read_gzip_header
2019-07-13T20:49:11     raise OSError('Not a gzipped file (%r)' % magic)
2019-07-13T20:49:11 OSError: Not a gzipped file (b'Pa')
2019-07-13T20:49:11 
2019-07-13T20:49:11 During handling of the above exception, another exception occurred:
2019-07-13T20:49:11 
2019-07-13T20:49:11 Traceback (most recent call last):
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-07-13T20:49:11     status = self.run(options, args)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-07-13T20:49:11     resolver.resolve(requirement_set)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 131, in resolve
2019-07-13T20:49:11     self._resolve_one(requirement_set, req)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-07-13T20:49:11     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-07-13T20:49:11     self.require_hashes
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 347, in prepare_linked_requirement
2019-07-13T20:49:11     progress_bar=self.progress_bar
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/download.py", line 886, in unpack_url
2019-07-13T20:49:11     progress_bar=progress_bar
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/download.py", line 750, in unpack_http_url
2019-07-13T20:49:11     unpack_file(from_path, location, content_type, link)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 634, in unpack_file
2019-07-13T20:49:11     untar_file(filename, location)
2019-07-13T20:49:11   File "/home/piwheels/.local/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 562, in untar_file
2019-07-13T20:49:11     tar = tarfile.open(filename, mode)
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1591, in open
2019-07-13T20:49:11     return func(name, filemode, fileobj, **kwargs)
2019-07-13T20:49:11   File "/usr/lib/python3.7/tarfile.py", line 1649, in gzopen
2019-07-13T20:49:11     raise ReadError("not a gzip file")
2019-07-13T20:49:11 tarfile.ReadError: not a gzip file