The macro /usr/lib/rpm/macros.d/macros.rust-toolset is needed to
fix %cargo_prep:
+ %cargo_prep -V 1
/var/tmp/rpm-tmp.HSVni1: line 54: fg: no job control
error: Bad exit status from /var/tmp/rpm-tmp.HSVni1 (%prep)
Bad exit status from /var/tmp/rpm-tmp.HSVni1 (%prep)
Fixes: FREEIPA-11477
Signed-off-by: Francisco Trivino <ftrivino@redhat.com>