/usr/pkg/share/mikutter/core/plugin/openimg/window.rb:25:in `block (2 levels) in start_loading': undefined method `[]' for nil:NilClass
         from /usr/pkg/share/mikutter/core/mui/gtk_extension.rb:33:in `block in safety_signal_connect'
         from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `invoke'
         from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `block in define_method'
         from /usr/pkg/share/mikutter/core/plugin/openimg/openimg.rb:42:in `block (3 levels) in <top (required)>'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block (3 levels) in download_mainloop'
         from /usr/pkg/lib/ruby/2.3.0/set.rb:306:in `each_key'
         from /usr/pkg/lib/ruby/2.3.0/set.rb:306:in `each'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block (2 levels) in download_mainloop'
         from /usr/pkg/share/mikutter/core/utils.rb:278:in `block in atomic'
         from /usr/pkg/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
         from /usr/pkg/share/mikutter/core/utils.rb:278:in `atomic'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block in download_mainloop'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:142:in `loop'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:142:in `download_mainloop'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:128:in `block in download_routine'
         from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:155:in `open_uri'
         from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:717:in `open'
         from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:35:in `open'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:127:in `download_routine'
         from /usr/pkg/share/mikutter/core/lib/diva_hacks/mixin/photo_mixin.rb:113:in `cache_read_or_download'
         from /usr/pkg/share/mikutter/core/serialthread.rb:70:in `block in new_thread'
error: {MIKUTTER_DIR}/core/plugin/openimg/window.rb:44:in `block (2 levels) in start_loading': exit
from /usr/pkg/lib/ruby/gems/2.3.0/gems/glib2-3.2.1/lib/glib2.rb:46:in `exit'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/glib2-3.2.1/lib/glib2.rb:46:in `exit_application'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `invoke'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `block in define_method'
from {MIKUTTER_DIR}/core/plugin/openimg/openimg.rb:42:in `block (3 levels) in <top (required)>'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block (3 levels) in download_mainloop'
from /usr/pkg/lib/ruby/2.3.0/set.rb:306:in `each_key'
from /usr/pkg/lib/ruby/2.3.0/set.rb:306:in `each'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block (2 levels) in download_mainloop'
from {MIKUTTER_DIR}/core/utils.rb:278:in `block in atomic'
from /usr/pkg/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
from {MIKUTTER_DIR}/core/utils.rb:278:in `atomic'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:146:in `block in download_mainloop'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:142:in `loop'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:142:in `download_mainloop'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:128:in `block in download_routine'
from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:155:in `open_uri'
from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:717:in `open'
from /usr/pkg/lib/ruby/2.3.0/open-uri.rb:35:in `open'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:127:in `download_routine'
from {MIKUTTER_DIR}/core/lib/diva_hacks/mixin/photo_mixin.rb:113:in `cache_read_or_download'
from {MIKUTTER_DIR}/core/serialthread.rb:70:in `block in new_thread'
error: {MIKUTTER_DIR}/core/plugin/openimg/window.rb:55:in `block in start_loading': JPEG 画像ファイル (Improper call to JPEG library in state 205) の解釈でエラー
from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `invoke'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/gobject-introspection-3.2.1/lib/gobject-introspection/loader.rb:576:in `block in define_method'
from {MIKUTTER_DIR}/core/plugin/openimg/window.rb:48:in `block (2 levels) in start_loading'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/chain/base.rb:18:in `activate'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:93:in `block (2 levels) in wait_and_activate'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:87:in `catch'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:87:in `block in wait_and_activate'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:86:in `catch'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:86:in `wait_and_activate'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:76:in `block (2 levels) in fiber'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:75:in `loop'
from /usr/pkg/lib/ruby/gems/2.3.0/gems/delayer-deferred-2.0.0/lib/delayer/deferred/worker.rb:75:in `block in fiber'