$ ./pre-inst-env guix system vm --no-substitutes ~/work/guix/doc/os-config-bare-bones.texi                                                                                 ;;; note: source file /home/leo/work/guix/gnu/services/base.scm
;;;       newer than compiled /home/leo/work/guix/gnu/services/base.go
;;; note: source file /home/leo/work/guix/gnu/services/base.scm
;;;       newer than compiled /home/leo/.cache/guile/ccache/2.0-LE-8-2.0/home/leo/work/guix/gnu/services/base.scm.go
ice-9/psyntax.scm:1422:32: In procedure expand-macro:
ice-9/psyntax.scm:1422:32: Syntax error:
gnu/services/base.scm:1253:2: service: Wrong number of arguments in form (service urandom-seed-service-type)