2021-07-11T16:21:56,153 ERROR: Exception:
2021-07-11T16:21:56,153 Traceback (most recent call last):
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-11T16:21:56,153     status = self.run(options, args)
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-11T16:21:56,153     return func(self, options, args)
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 106, in run
2021-07-11T16:21:56,153     wheel_cache = WheelCache(options.cache_dir, options.format_control)
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cache.py", line 238, in __init__
2021-07-11T16:21:56,153     self._ephem_cache = EphemWheelCache(format_control)
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cache.py", line 209, in __init__
2021-07-11T16:21:56,153     self._temp_dir = TempDirectory(
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/temp_dir.py", line 130, in __init__
2021-07-11T16:21:56,153     path = self._create(kind)
2021-07-11T16:21:56,153   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/temp_dir.py", line 174, in _create
2021-07-11T16:21:56,153     path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-"))
2021-07-11T16:21:56,153   File "/usr/lib/python3.9/tempfile.py", line 498, in mkdtemp
2021-07-11T16:21:56,153     _os.mkdir(file, 0o700)
2021-07-11T16:21:56,153 OSError: [Errno 28] No space left on device: '/tmp/pip-ephem-wheel-cache-l6_uh1x6'