7929b2cd5525 ~ # emerge curl
Calculating dependencies... done!

>>> Emerging binary (1 of 1) net-misc/curl-7.54.1::gentoo
--2017-08-09 07:10:21--  http://binpkg/net-misc/curl/curl-7.54.1-1.xpak
Resolving binpkg... 192.168.32.37
Connecting to binpkg|192.168.32.37|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4616559 (4.4M) [application/octet-stream]
Saving to: ‘/usr/portage/packages/net-misc/curl-7.54.1.tbz2.partial’

/usr/portage/packages/net-misc/curl-7.54.1.tbz2.partial      100%[===========================================================================================================================================>]   4.40M  --.-KB/s    in 0.04s

2017-08-09 07:10:21 (113 MB/s) - ‘/usr/portage/packages/net-misc/curl-7.54.1.tbz2.partial’ saved [4616559/4616559]

 * curl-7.54.1.tbz2 MD5 SHA1 size ;-) ...                                [ ok ]
!!! copy /usr/portage/packages/net-misc/curl-7.54.1.tbz2.partial -> /usr/portage/packages/net-misc/curl-7.54.1.tbz2 failed.
!!! [Errno 1] Operation not permitted
Traceback (most recent call last):
  File "/usr/lib/python-exec/python2.7/emerge", line 50, in <module>
    retval = emerge_main()
  File "/usr/lib64/python2.7/site-packages/_emerge/main.py", line 1229, in emerge_main
    return run_action(emerge_config)
  File "/usr/lib64/python2.7/site-packages/_emerge/actions.py", line 3266, in run_action
    retval = action_build(emerge_config, spinner=spinner)
  File "/usr/lib64/python2.7/site-packages/_emerge/actions.py", line 525, in action_build
    retval = mergetask.merge()
  File "/usr/lib64/python2.7/site-packages/_emerge/Scheduler.py", line 1042, in merge
    rval = self._merge()
  File "/usr/lib64/python2.7/site-packages/_emerge/Scheduler.py", line 1444, in _merge
    self._main_loop()
  File "/usr/lib64/python2.7/site-packages/_emerge/Scheduler.py", line 1421, in _main_loop
    self._event_loop.iteration()
  File "/usr/lib64/python2.7/site-packages/portage/util/_eventloop/EventLoop.py", line 270, in iteration
    if not x.callback(f, event, *x.args):
  File "/usr/lib64/python2.7/site-packages/_emerge/PipeReader.py", line 80, in _output_handler
    self.wait()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 57, in wait
    self._wait_hook()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 175, in _wait_hook
    self._exit_listener_stack.pop()(self)
  File "/usr/lib64/python2.7/site-packages/portage/util/_async/FileDigester.py", line 64, in _digest_pipe_reader_exit
    self.wait()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 57, in wait
    self._wait_hook()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 175, in _wait_hook
    self._exit_listener_stack.pop()(self)
  File "/usr/lib64/python2.7/site-packages/_emerge/BinpkgVerifier.py", line 79, in _digester_exit
    self.wait()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 57, in wait
    self._wait_hook()
  File "/usr/lib64/python2.7/site-packages/_emerge/AsynchronousTask.py", line 175, in _wait_hook
    self._exit_listener_stack.pop()(self)
  File "/usr/lib64/python2.7/site-packages/_emerge/Binpkg.py", line 189, in _verifier_exit
    filename=self._fetched_pkg),
  File "/usr/lib64/python2.7/site-packages/portage/dbapi/bintree.py", line 1087, in inject
    _movefile(filename, new_filename, mysettings=self.settings)
  File "/usr/lib64/python2.7/site-packages/portage/__init__.py", line 549, in _movefile
    "mv '%s' '%s'" % (src, dest))
PortageException: mv '/usr/portage/packages/net-misc/curl-7.54.1.tbz2.partial' '/usr/portage/packages/net-misc/curl-7.54.1.tbz2'