ruby - Trying Foreman Start and get this long error. What gives? -

this happening, i'm newb if explain means , how fix it appreciated. trying launch django project using heroku. after typing foreman start in terminal error recieve:

(coffeedapp2)uzers-mbp-3:coffeedapp uzer-y$ foreman start /users/uzer-y/.rvm/gems/ruby-2.2.0@global/gems/psych-2.0.13/lib/psych.bundle: [bug] segmentation fault ruby 2.0.0p481 (2014-05-08 revision 45883) [universal.x86_64-darwin14]  -- crash report log information --------------------------------------------   see crash report log file under 1 of following:  * ~/library/logs/crashreporter  * /library/logs/crashreporter  * ~/library/logs/diagnosticreports  * /library/logs/diagnosticreports    more detail of. -- control frame information ----------------------------------------------- c:0014 p:-17578513380292 s:0070 e:000069 top    [finish] c:0013 p:---- s:0068 e:000067 cfunc  :require c:0012 p:0115 s:0064 e:000063 method /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55 c:0011 p:0007 s:0054 e:000053 top    /users/uzer-y/.rvm/gems/ruby-2.2.0@global/gems/psych-2.0.13/lib/psych.rb:1 [finish] c:0010 p:---- s:0052 e:000051 cfunc  :require c:0009 p:0115 s:0048 e:000047 method /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55 c:0008 p:0009 s:0038 e:000037 top    /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/yaml.rb:5 [finish] c:0007 p:---- s:0036 e:000035 cfunc  :require c:0006 p:0115 s:0032 e:000031 method /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55 c:0005 p:0063 s:0022 e:000021 top    /usr/local/foreman/lib/foreman/cli.rb:8 [finish] c:0004 p:---- s:0020 e:000019 cfunc  :require c:0003 p:0115 s:0016 e:000015 method /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55 c:0002 p:0090 s:0006 e:0010b8 eval   /usr/bin/foreman:13 [finish] c:0001 p:0000 s:0002 e:0010a8 top    [finish] /usr/bin/foreman:13:in `<main>' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require' 

/usr/local/foreman/lib/foreman/cli.rb:8:in <top (required)>' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:inrequire' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in require' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/yaml.rb:5:in' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in require' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:inrequire' /users/uzer-y/.rvm/gems/ruby-2.2.0@global/gems/psych-2.0.13/lib/psych.rb:1:in <top (required)>' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:inrequire' /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require' -- c level backtrace information ------------------------------------------- -- other runtime information ----------------------------------------------- * loaded script: /usr/bin/foreman * loaded features:

0 enumerator.so

1 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/enc/encdb.bundle  2 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/enc/trans/transdb.bundle  3 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/rbconfig.rb  4 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/compatibility.rb  5 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/defaults.rb  6 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/deprecate.rb  7 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/errors.rb  8 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/version.rb  9 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/requirement.rb  10 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/platform.rb  11 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/specification.rb  12 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/exceptions.rb  13 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_gem.rb  14 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/thread.rb  15 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/monitor.rb  16 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb  17 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems.rb  18 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/pathname.bundle  19 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/pathname.rb  20 /usr/local/foreman/lib/foreman/version.rb  21 /usr/local/foreman/lib/foreman.rb  22 /usr/local/foreman/lib/foreman/helpers.rb  23 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/shellwords.rb  24 /usr/local/foreman/lib/foreman/process.rb  25 /usr/local/foreman/lib/foreman/procfile.rb  26 /usr/local/foreman/vendor/gems/dotenv-0.11.1/lib/dotenv/substitutions/variable.rb  27 /usr/local/foreman/vendor/gems/dotenv-0.11.1/lib/dotenv/substitutions/command.rb  28 /usr/local/foreman/vendor/gems/dotenv-0.11.1/lib/dotenv/parser.rb  29 /usr/local/foreman/vendor/gems/dotenv-0.11.1/lib/dotenv/environment.rb  30 /usr/local/foreman/vendor/gems/dotenv-0.11.1/lib/dotenv.rb  31 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/delegate.rb  32 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/etc.bundle  33 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb  34 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/tmpdir.rb  35 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/tempfile.rb  36 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/timeout.rb  37 /usr/local/foreman/lib/foreman/engine.rb  38 /usr/local/foreman/lib/foreman/engine/cli.rb  39 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/ostruct.rb  40 /usr/local/foreman/lib/foreman/export/base.rb  41 /usr/local/foreman/lib/foreman/export/inittab.rb  42 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/cgi/util.rb  43 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/universal-darwin14/strscan.bundle  44 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/erb.rb  45 /usr/local/foreman/lib/foreman/export/upstart.rb  46 /usr/local/foreman/lib/foreman/export/daemon.rb  47 /usr/local/foreman/lib/foreman/export/bluepill.rb  48 /usr/local/foreman/lib/foreman/export/runit.rb  49 /usr/local/foreman/lib/foreman/export/supervisord.rb  50 /usr/local/foreman/lib/foreman/export/launchd.rb  51 /usr/local/foreman/lib/foreman/export/systemd.rb  52 /usr/local/foreman/lib/foreman/export.rb  53 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby/2.0.0/rubygems/dependency.rb  54 /system/library/frameworks/ruby.framework/versions/2.0/usr/lib/ruby /2.0.0/rubygems/path_support.rb  [note] may have encountered bug in ruby interpreter or extension libraries. bug reports welcome. details: http://www.ruby-lang.org/bugreport.html abort trap: 6 

there mismatch in ruby versions -- gemset using ruby 2.2, foreman looking 2.0. way resolved issue run

gem install foreman 

for gemset using. foreman start reference local (instead of global) instance of foreman.