Unable to detect release version (use '--releasever' to specify release version)
gitcode:master:x86_64:rubygem-fluentd:18-openEu 2.4 MB/s |  31 kB     00:00    
openEuler-master:everything-openEuler:mainline- 106 MB/s |  24 MB     00:00    
openEuler-master:epol-openEuler:mainline-x86_64  72 MB/s |  10 MB     00:00    
Error: 
 Problem: conflicting requests
  - nothing provides (rubygem(async-http) >= 0.86 with rubygem(async-http) < 1) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(base64) >= 0.2 with rubygem(base64) < 1) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(csv) >= 3.2 with rubygem(csv) < 4) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(drb) >= 2.2 with rubygem(drb) < 3) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(logger) >= 1.6 with rubygem(logger) < 2) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(net-http) >= 0.8 with rubygem(net-http) < 1) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(ostruct) >= 0.6 with rubygem(ostruct) < 1) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(uri) >= 1.0 with rubygem(uri) < 2) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
  - nothing provides (rubygem(zstd-ruby) >= 1.5 with rubygem(zstd-ruby) < 2) needed by rubygem-fluentd-1.19.3-2.oe1.noarch
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)