Issue #6914 has been reported by conradwt (Conrad Taylor).

----------------------------------------
Bug #6914: unable to build ruby-head
https://bugs.ruby-lang.org/issues/6914

Author: conradwt (Conrad Taylor)
Status: Open
Priority: Normal
Assignee: 
Category: build
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-08-23 trunk 36807) [x86_64-darwin12.0.0]


$ cat /Users/conradwt/.rvm/log/ruby-head/rubygems.install.log
[2012-08-23 13:29:19] GEM_PATH="/Users/conradwt/.rvm/gems/ruby-head:/Users/conradwt/.rvm/gems/ruby-head@global:/Users/conradwt/.rvm/gems/ruby-head:/Users/conradwt/.rvm/gems/ruby-head@global" GEM_HOME="/Users/conradwt/.rvm/gems/ruby-head" "/Users/conradwt/.rvm/rubies/ruby-head/bin/ruby" "/Users/conradwt/.rvm/src/rubygems-1.8.24/setup.rb"
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144: [BUG] Segmentation fault
ruby 2.0.0dev (2012-08-23 trunk 36807) [x86_64-darwin12.0.0]

-- Control frame information -----------------------------------------------
c:0018 p:---- s:0102 b:0102 e:000101 CFUNC  :===
c:0017 p:0109 s:0100 b:0099 e:000098 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144
c:0016 p:0030 s:0084 b:0084 e:000083 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15
c:0015 p:0013 s:0080 b:0080 e:000079 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5
c:0014 p:0012 s:0076 b:0076 e:000075 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20
c:0013 p:0019 s:0068 b:0068 e:000067 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:231
c:0012 p:0030 s:0064 b:0064 e:000063 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15
c:0011 p:0013 s:0060 b:0060 e:000059 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5
c:0010 p:0012 s:0056 b:0056 e:000055 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20
c:0009 p:0026 s:0048 b:0048 e:000047 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/node.rb:35
c:0008 p:0034 s:0045 b:0045 e:000044 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.rb:128
c:0007 p:0080 s:0039 b:0039 e:000038 METHOD /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/config_file.rb:253
c:0006 p:0212 s:0035 b:0035 e:000034 METHOD /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/config_file.rb:191 [FINISH]
c:0005 p:---- s:0026 b:0026 e:000025 CFUNC  :new
c:0004 p:0022 s:0022 b:0021 e:000020 METHOD /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb:78
c:0003 p:0118 s:0017 b:0017 e:000016 METHOD /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb:51
c:0002 p:0375 s:0009 b:0009 e:000070 EVAL   setup.rb:38 [FINISH]
c:0001 p:0000 s:0002 b:0002 e:000928 TOP    [FINISH]

setup.rb:38:in `<main>'
/Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb:51:in `run'
/Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb:78:in `do_configuration'
/Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb:78:in `new'
/Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/config_file.rb:191:in `initialize'
/Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/config_file.rb:253:in `load_file'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.rb:128:in `load'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/node.rb:35:in `to_ruby'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15:in `visit'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:231:in `visit_Psych_Nodes_Document'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15:in `visit'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144:in `visit_Psych_Nodes_Mapping'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144:in `==='

-- C level backtrace information -------------------------------------------

   See Crash Report log file under ~/Library/Logs/CrashReporter or
   /Library/Logs/CrashReporter, for the more detail of.

-- Other runtime information -----------------------------------------------

* Loaded script: setup.rb

* Loaded features:

    0 enumerator.so
    1 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/enc/encdb.bundle
    2 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/enc/trans/transdb.bundle
    3 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/defaults.rb
    4 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/rbconfig.rb
    5 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/deprecate.rb
    6 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/exceptions.rb
    7 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/custom_require.rb
    8 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems.rb
    9 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/optparse.rb
   10 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/user_interaction.rb
   11 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/command.rb
   12 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/command_manager.rb
   13 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/etc.bundle
   14 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/config_file.rb
   15 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/doc_manager.rb
   16 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/version.rb
   17 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/requirement.rb
   18 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/platform.rb
   19 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/specification.rb
   20 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/path_support.rb
   21 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/dependency.rb
   22 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/version_option.rb
   23 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/shellwords.rb
   24 /Users/conradwt/.rvm/gems/ruby-head/gems/open_gem-1.4.2/lib/open_gem/common_options.rb
   25 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/timeout.rb
   26 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/fileutils.rb
   27 /Users/conradwt/.rvm/gems/ruby-head@global/gems/rubygems-bundler-1.0.6/lib/rubygems-bundler/wrapper.rb
   28 /Users/conradwt/.rvm/gems/ruby-head@global/gems/rubygems-bundler-1.0.6/lib/rubygems-bundler/rubygems_bundler_installer.rb
   29 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/f_sync_dir.rb
   30 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_header.rb
   31 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/enc/iso_8859_1.bundle
   32 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/zlib.bundle
   33 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/syntax_error.rb
   34 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.bundle
   35 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/stringio.bundle
   36 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/node.rb
   37 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/stream.rb
   38 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/document.rb
   39 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/sequence.rb
   40 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/scalar.rb
   41 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/mapping.rb
   42 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/alias.rb
   43 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes.rb
   44 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/streaming.rb
   45 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb
   46 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/strscan.bundle
   47 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/scalar_scanner.rb
   48 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb
   49 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/emitter.rb
   50 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/yaml_tree.rb
   51 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/json/ruby_events.rb
   52 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/json_tree.rb
   53 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/depth_first.rb
   54 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors.rb
   55 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/handler.rb
   56 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/tree_builder.rb
   57 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/parser.rb
   58 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/omap.rb
   59 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/set.rb
   60 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/coder.rb
   61 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/core_ext.rb
   62 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/date_core.bundle
   63 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/date/format.rb
   64 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/date.rb
   65 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/deprecated.rb
   66 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/stream.rb
   67 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/json/yaml_events.rb
   68 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/json/tree_builder.rb
   69 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/json/stream.rb
   70 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/handlers/document_stream.rb
   71 /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.rb
   72 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/psych_additions.rb
   73 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/psych_tree.rb
   74 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/yaml.rb
   75 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/syck_hack.rb
   76 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_input.rb
   77 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_output.rb
   78 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_reader/entry.rb
   79 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_reader.rb
   80 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package/tar_writer.rb
   81 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/package.rb
   82 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/format.rb
   83 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/ext/builder.rb
   84 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/ext/configure_builder.rb
   85 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/ext/ext_conf_builder.rb
   86 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/ext/rake_builder.rb
   87 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/ext.rb
   88 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/require_paths_builder.rb
   89 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/installer.rb
   90 /Users/conradwt/.rvm/gems/ruby-head@global/gems/rubygems-bundler-1.0.6/lib/rubygems-bundler/regenerate_binstubs_command.rb
   91 /Users/conradwt/.rvm/gems/ruby-head/gems/yard-0.8.1/lib/yard/rubygems/specification.rb
   92 /Users/conradwt/.rvm/gems/ruby-head/gems/yard-0.8.1/lib/yard/rubygems/doc_manager.rb
   93 /Users/conradwt/.rvm/src/rubygems-1.8.24/lib/rubygems/gem_runner.rb

[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html

/Users/conradwt/.rvm/scripts/functions/utility: line 149: 67037 Abort trap: 6           GEM_PATH="/Users/conradwt/.rvm/gems/ruby-head:/Users/conradwt/.rvm/gems/ruby-head@global:/Users/conradwt/.rvm/gems/ruby-head:/Users/conradwt/.rvm/gems/ruby-head@global" GEM_HOME="/Users/conradwt/.rvm/gems/ruby-head" "/Users/conradwt/.rvm/rubies/ruby-head/bin/ruby" "/Users/conradwt/.rvm/src/rubygems-1.8.24/setup.rb"
[13:31] [~] [ruby] [1.9.2]  $ 
[13:31] [~] [ruby] [1.9.2]  $ rvm ruby-head
[13:31] [~] [ruby] [2.0.0]  $ gem list
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144: [BUG] Segmentation fault
ruby 2.0.0dev (2012-08-23 trunk 36807) [x86_64-darwin12.0.0]

-- Control frame information -----------------------------------------------
c:0018 p:---- s:0100 b:0100 e:000099 CFUNC  :===
c:0017 p:0109 s:0098 b:0097 e:000096 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144
c:0016 p:0030 s:0082 b:0082 e:000081 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15
c:0015 p:0013 s:0078 b:0078 e:000077 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5
c:0014 p:0012 s:0074 b:0074 e:000073 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20
c:0013 p:0019 s:0066 b:0066 e:000065 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:231
c:0012 p:0030 s:0062 b:0062 e:000061 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15
c:0011 p:0013 s:0058 b:0058 e:000057 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5
c:0010 p:0012 s:0054 b:0054 e:000053 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20
c:0009 p:0026 s:0046 b:0046 e:000045 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/node.rb:35
c:0008 p:0034 s:0043 b:0043 e:000042 METHOD /Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.rb:128
c:0007 p:0080 s:0037 b:0037 e:000036 METHOD /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/config_file.rb:253
c:0006 p:0212 s:0033 b:0033 e:000032 METHOD /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/config_file.rb:191 [FINISH]
c:0005 p:---- s:0024 b:0024 e:000023 CFUNC  :new
c:0004 p:0022 s:0020 b:0019 e:000018 METHOD /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/gem_runner.rb:78
c:0003 p:0118 s:0015 b:0015 e:000014 METHOD /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/gem_runner.rb:51
c:0002 p:0267 s:0007 b:0007 e:001900 EVAL   /Users/conradwt/.rvm/rubies/ruby-head/bin/gem:25 [FINISH]
c:0001 p:0000 s:0002 b:0002 e:001fa8 TOP    [FINISH]

/Users/conradwt/.rvm/rubies/ruby-head/bin/gem:25:in `<main>'
/Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/gem_runner.rb:51:in `run'
/Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/gem_runner.rb:78:in `do_configuration'
/Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/gem_runner.rb:78:in `new'
/Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/config_file.rb:191:in `initialize'
/Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/config_file.rb:253:in `load_file'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych.rb:128:in `load'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/nodes/node.rb:35:in `to_ruby'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15:in `visit'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:231:in `visit_Psych_Nodes_Document'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:20:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:5:in `accept'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/visitor.rb:15:in `visit'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144:in `visit_Psych_Nodes_Mapping'
/Users/conradwt/.rvm/gems/ruby-head/gems/psych-1.3.2/lib/psych/visitors/to_ruby.rb:144:in `==='

-- C level backtrace information -------------------------------------------

   See Crash Report log file under ~/Library/Logs/CrashReporter or
   /Library/Logs/CrashReporter, for the more detail of.

-- Other runtime information -----------------------------------------------

* Loaded script: /Users/conradwt/.rvm/rubies/ruby-head/bin/gem

* Loaded features:

    0 enumerator.so
    1 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/enc/encdb.bundle
    2 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/x86_64-darwin12.0.0/enc/trans/transdb.bundle
    3 /Users/conradwt/.rvm/rubies/ruby-head/lib/ruby/2.0.0/rubygems/defaults.rb
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