D: [iurt_root_command] chroot
/etc/profile: fork: retry: Resource temporarily unavailable
/etc/profile: fork: retry: Resource temporarily unavailable
/etc/profile: fork: retry: Resource temporarily unavailable
Building target platforms: x86_64
Building for target x86_64
sh: line 4: [: -j8: integer expected
sh: line 4: [: -j8: integer expected
Installing /home/pterjan/rpmbuild/SRPMS/gnome-calendar-49.0.1-1.mga10.src.rpm
Executing(%mkbuilddir): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.PrRaVw
sh: line 4: [: -j8: integer expected
Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.LtmQ7c
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD/gnome-calendar-49.0.1-build
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ cd /home/pterjan/rpmbuild/BUILD/gnome-calendar-49.0.1-build
+ rm -rf gnome-calendar-49.0.1
+ /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/gnome-calendar-49.0.1.tar.xz
error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.LtmQ7c (%prep)

RPM build errors:
    Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.LtmQ7c (%prep)
I: [iurt_root_command] ERROR: chroot