rsync.opensuse.org via http or rsync protocols is out of sync with
download.opensuse.org. Also rsync's tumbleweed distro oss & non-oss
repodata/repomd.xml references missing files.

http://rsync.opensuse.org/opensuse/tumbleweed/repo/oss/repodata/repomd.xml is
dated 2019-02-04 versus
http://download.opensuse.org/tumbleweed/repo/oss/repodata/repomd.xml is dated
2019-02-05

http://rsync.opensuse.org/opensuse/tumbleweed/repo/oss/repodata/repomd.xml
references
repodata/183928edbce08b88415fe1be2705f4a3cbd9484c3b465b6d86985f94ff4f871f-primary.xml.gz

<data type="primary"><checksum
type="sha256">183928edbce08b88415fe1be2705f4a3cbd9484c3b465b6d86985f94ff4f871f</checksum><open-checksum
type="sha256">9c0df78cc9ae2e64f93acc321ac1d49e84aafd8d37430752212e390b58fd2b81</open-checksum><location
href="repodata/183928edbce08b88415fe1be2705f4a3cbd9484c3b465b6d86985f94ff4f871f-primary.xml.gz"/><timestamp>1549392115</timestamp><size>13536620</size><open-size>125252254</open-size></data>

yet that file does not exist on rsync.opensuse.org (widehat.opensuse.org)

> wget http://rsync.opensuse.org/opensuse/tumbleweed/repo/oss/repodata/183928edbce08b88415fe1be2705f4a3cbd9484c3b465b6d86985f94ff4f871f-primary.xml.gz
--2019-02-09 12:59:58-- 
http://rsync.opensuse.org/opensuse/tumbleweed/repo/oss/repodata/183928edbce08b88415fe1be2705f4a3cbd9484c3b465b6d86985f94ff4f871f-primary.xml.gz
Resolving rsync.opensuse.org (rsync.opensuse.org)... 62.146.92.202
Connecting to rsync.opensuse.org (rsync.opensuse.org)|62.146.92.202|:80...
connected.
HTTP request sent, awaiting response... 404 Not Found
2019-02-09 12:59:58 ERROR 404: Not Found.

There is a similar problem with tumbleweed's non-oss repomd.xml it references
repodata/d6bb8027571d358f8a6e4a1934deb00a8bd103203e4ebd4ac188eb995d397b19-primary.xml.gz

Did widehat run out of disk space causing sync to stop or is the problem
something else?