This happens even after a reboot, so that’s reassuring. This is tied to building the derivation for the “sicp” package, which has this arguments field:
(arguments `(#:modules ((guix build utils) (srfi srfi-1) (srfi srfi-26)) #:builder (begin (use-modules (guix build utils) (srfi srfi-1) (srfi srfi-26)) …))) That’s where utils and the srfis come from. -- Ricardo