Searching for binary rubies, this might take some time.
No binary rubies available for: ubuntu/18.04/x86_64/ruby-2.3.0.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for ubuntu.
Installing requirements for ubuntu.
Updating systemswe password required for 'apt-get --quiet --yes update': ..-
..
Installing required packages: libgmp-dev, libgmp-dev, libreadline6-dev, libssl-dev......
Requirements installation successful.
Installing Ruby from source to: /usr/share/rvm/rubies/ruby-2.3.0, this may take a while depending on your cpu(s)...
ruby-2.3.0 - #downloading ruby-2.3.0, this may take a while depending on your connection...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:  5 13.5M    5  704k    0     0   877k      0  0:00:15 --:--:--  0:00: 25 13.5M   25 3561k    0     0  1976k      0  0:00:07  0:00:01  0:00: 46 13.5M   46 6496k    0     0  2313k      0  0:00:05  0:00:02  0:00: 66 13.5M   66 9232k    0     0  2425k      0  0:00:05  0:00:03  0:00: 86 13.5M   86 11.7M    0     0  2505k      0  0:00:05  0:00:04  0:00:100 13.5M  100 13.5M    0     0  2560k      0  0:00:05  0:00:05 --:--:-- 2852k
ruby-2.3.0 - #extracting ruby-2.3.0 to /usr/share/rvm/src/ruby-2.3.0.-
ruby-2.3.0 - #applying patch /usr/share/rvm/patches/ruby/ruby_2_3_gcc7.patch.
ruby-2.3.0 - #applying patch /usr/share/rvm/patches/ruby/changeset_r53419.diff.
ruby-2.3.0 - #applying patch /usr/share/rvm/patches/ruby/2.3.0/random_c_using_NR_prefix.patch.
ruby-2.3.0 - #configuring............................................-
ruby-2.3.0 - #post-configuration..
ruby-2.3.0 - #compiling..............................................-
Error running '__rvm_make -j4',
please read /home/swe/.rvm/log/1529245718_ruby-2.3.0/make.log
There has been an error while running make. Halting the installation.