The following actions will be performed:
  - install conf-ruby 1.0.0

=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[conf-ruby: ruby] Command started
+ ruby "--version" (CWD=/home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/conf-ruby.1.0.0)
[ERROR] The compilation of conf-ruby failed at "ruby --version".

#=== ERROR while installing conf-ruby.1.0.0 ===================================#
# opam-version         1.2.2+dd (3852ba0a7708d4dc37f64dd4cd00f873bf317ac0)
# os                   linux
# command              ruby --version
# path                 /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/conf-ruby.1.0.0
# compiler             4.07.0+pr2051
# exit-code            127
# env-file             /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/conf-ruby.1.0.0/conf-ruby-5955.env
# stdout-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/conf-ruby.1.0.0/conf-ruby-5955.out
# stderr-file          /home/doligez/opamcheck/sandbox2/opamstate/4.07.0+pr2051/dotopam/4.07.0+pr2051/build/conf-ruby.1.0.0/conf-ruby-5955.out



=-=- Error report -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
The following actions failed
  - install conf-ruby 1.0.0
No changes have been performed

=-=- conf-ruby.1.0.0 troobleshooting =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=> This package relies on external (system) dependencies that may be missing.
   `opam depext conf-ruby.1.0.0' may help you find the correct installation for
   your system.
'opam install conf-ruby.1.0.0' failed.