rsync: identify file with environment variable can't be found
rsync: identify file with environment variable can't be found

Running 'rsync -L  --timeout=300 --rsh='/bin/ssh -tt -a -x -o ControlPath=/var/tmp/ssh-masterchkClS/socket -o StrictHostKeyChecking=no -o UserKnownHostsFile=/var/tmp/tmpamScyr -o BatchMode=yes -o ConnectTimeout=300 -o ServerAliveInterval=300 -l scylla-test -p 22 -i ~/.ssh/scylla-test' -az /var/tmp/scm-prometheusDMdUVP/prometheus-scylla.yml scylla-test@10.240.0.70:"/var/tmp/prometheus-1.0.2.linux-amd64/prometheus-scylla.yml"'
[stderr] Warning: Identity file ~/.ssh/scylla-test not accessible: No such file or directory.

Signed-off-by: Amos Kong <eb01d8f828a6c9a20be4534e72e049aaf41503df@scylladb.com>

scylladb/scylla-cluster-tests,amoskong/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,amoskong/scylla-cluster-tests,scylladb/scylla-longevity-tests,amoskong/scylla-cluster-tests,scylladb/scylla-longevity-tests,amoskong/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,amoskong/scylla-cluster-tests,scylladb/scylla-cluster-tests