Your bug report

#48007: computing derivations through inferior takes twice as long

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 48007@debbugs.gnu.org.

-- 
48007: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48007
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems