It's moved into .mutate_locally() but it captured and used in its
continuation. It works well just because moved-from pointer looks like
nullptr and all the tracing code checks for it to be non-such.
tests: https://jenkins.scylladb.com/job/releng/job/Scylla-CI/1266/
(CI job failed on post-actions thus it's red)
Fixes #11015
Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
Message-Id: <20220711134152.30346-1-xemul@scylladb.com>
(cherry picked from commit 5526738794)