substitute: 
substitute: updating substitutes from 'http://141.80.167.131:5557'...   0.0%
substitute: updating substitutes from 'http://141.80.167.131:5557'... 100.0%
fetching path `/gnu/store/flxbrn7xv99y3dx8pxv1c6d119k4alyg-ruby-actionpack-6.1.3'...
@ substituter-started /gnu/store/flxbrn7xv99y3dx8pxv1c6d119k4alyg-ruby-actionpack-6.1.3 substitute
Downloading http://141.80.167.131:5557/nar/gzip/flxbrn7xv99y3dx8pxv1c6d119k4alyg-ruby-actionpack-6.1.3...

 ruby-actionpack-6.1.3                         4KiB/s 00:05 | 16KiB transferred
 ruby-actionpack-6.1.3                       47KiB/s 00:05 | 224KiB transferred
 ruby-actionpack-6.1.3                       89KiB/s 00:05 | 448KiB transferred
 ruby-actionpack-6.1.3                       91KiB/s 00:05 | 459KiB transferred

@ substituter-succeeded /gnu/store/flxbrn7xv99y3dx8pxv1c6d119k4alyg-ruby-actionpack-6.1.3