$ snapcraft
Traceback (most recent call last):
File "/usr/bin/snapcraft", line 33, in <module>
snapcraft.main.main()
File "/usr/lib/python3/dist-packages/snapcraft/main.py", line 148, in main
args.func(args)
File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 98, in assemble
snap(args)
File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 79, in snap
cmd(args)
File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 308, in cmd
_install_build_packages(config.build_tools)
File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 354, in _install_build_packages
if not apt.Cache()[pkg].installed:
File "/usr/lib/python3/dist-packages/apt/cache.py", line 107, in __init__
self.open(progress)
File "/usr/lib/python3/dist-packages/apt/cache.py", line 153, in open
self._records = apt_pkg.PackageRecords(self._cache)
SystemError: E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_universe_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_restricted_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_multiverse_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_main_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_multiverse_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_universe_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_restricted_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_main_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_multiverse_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_universe_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_restricted_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-backports_main_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_universe_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_restricted_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_multiverse_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_main_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_multiverse_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_universe_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_restricted_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_main_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_multiverse_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_universe_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_restricted_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty-updates_main_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_universe_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_restricted_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_multiverse_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_multiverse_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_universe_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_restricted_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_main_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_multiverse_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_universe_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_restricted_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/it.archive.ubuntu.com_ubuntu_dists_trusty_main_binary-amd64_Packages - open (24: Too many open files)