$ claws-mail

(claws-mail:11533): Pango-WARNING **: failed to create cairo scaled font, expect ugly output. the offending font is 'Inconsolata Medium 7.9990234375'

(claws-mail:11533): Pango-WARNING **: font_face status is: file not found

(claws-mail:11533): Pango-WARNING **: scaled_font status is: file not found

(claws-mail:11533): Pango-WARNING **: failed to create cairo scaled font, expect ugly output. the offending font is 'Inconsolata Medium 10.32421875'

(claws-mail:11533): Pango-WARNING **: font_face status is: file not found

(claws-mail:11533): Pango-WARNING **: scaled_font status is: file not found

(claws-mail:11533): Pango-WARNING **: shaping failure, expect ugly output. shape-engine='PangoFcShapeEngine', font='Inconsolata Medium 10.32421875', text='The quick brown fox jumps over the lazy dog.'

(claws-mail:11533): Pango-WARNING **: shaping failure, expect ugly output. shape-engine='PangoFcShapeEngine', font='Inconsolata Medium 7.9990234375', text='The quick brown fox jumps over the lazy dog.'

(claws-mail:11533): Pango-WARNING **: failed to create cairo scaled font, expect ugly output. the offending font is 'Inconsolata Bold 11.5185546875'

(claws-mail:11533): Pango-WARNING **: font_face status is: file not found

(claws-mail:11533): Pango-WARNING **: scaled_font status is: file not found

(claws-mail:11533): Pango-WARNING **: shaping failure, expect ugly output. shape-engine='PangoFcShapeEngine', font='Inconsolata Bold 11.5185546875', text='Offline warning'

(claws-mail:11533): Pango-WARNING **: failed to create cairo scaled font, expect ugly output. the offending font is 'Inconsolata Bold 9.5986328125'

(claws-mail:11533): Pango-WARNING **: font_face status is: file not found

(claws-mail:11533): Pango-WARNING **: scaled_font status is: file not found

(claws-mail:11533): Pango-WARNING **: shaping failure, expect ugly output. shape-engine='PangoFcShapeEngine', font='Inconsolata Bold 9.5986328125', text='This long string gives a good enough length for any line to have.'
claws-mail: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.