emerge: there are no ebuilds to satisfy ">=dev-ruby/rdoc-6.1.2[ruby_targets_ruby26]".
(dependency required by "dev-lang/ruby-2.6.10::ruby-kit[rdoc]" [ebuild])
(dependency required by "virtual/rubygems-15::ruby-kit[ruby_targets_ruby26]" [ebuild])
(dependency required by "dev-libs/ocl-icd-2.2.14::core-gl-kit" [installed])
(dependency required by "x11-drivers/nvidia-drivers-525.85.05::core-gl-kit[opencl]" [installed])
(dependency required by "x11-drivers/nvidia-kernel-modules-525.85.05::core-gl-kit" [installed])
(dependency required by "@selected" [set])
(dependency required by "@world" [argument])