User 'nobody' is changed with 'root' according NobodySubjectPolicy (see wiki)

.gear/systemd-crontab-generator.spec

@@ -16,6 +16,7 @@ Patch0: %name-%version-%release.patch
 Patch1: allow_deprecated_rustc-serialize.patch
 Patch2: makefile_install_fix.patch
 Patch3: fix_paths.patch
+Patch4: nobody_user_fix.patch
 
 Requires(pre): crontab-control
 Requires: vitmp
@@ -44,6 +45,7 @@ It's intended to be a drop-in replacement for all cron implementations.
 %patch1 -p1 
 %patch2 -p1 
 %patch3 -p1 
+%patch4 -p1 
 
 %build
 ./configure

nobody_user_fix.patch

@@ -0,0 +1,11 @@
+diff --git a/units/cron-failure@.service.in b/units/cron-failure@.service.in
+index b99bf51..21d25a9 100644
+--- a/units/cron-failure@.service.in
++++ b/units/cron-failure@.service.in
+@@ -8,5 +8,5 @@ ConditionFileIsExecutable=/usr/sbin/sendmail
+ [Service]
+ Type=oneshot
+ ExecStart={{ libdir }}/{{ package }}/mail-on-failure %i
+-User=nobody
++User=root
+ Group=systemd-journal