Issue #3818 has been updated by Karl Baum.


I ran with ruby 1.9.3dev (2010-09-12 trunk 29232) and got the same problem:

dyld: lazy symbol binding failed: Symbol not found: _rb_get_kcode
  Referenced from: /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/ext/tmailscanner/tmail/tmailscanner.bundle
  Expected in: flat namespace

dyld: Symbol not found: _rb_get_kcode
  Referenced from: /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/ext/tmailscanner/tmail/tmailscanner.bundle
  Expected in: flat namespace

lib/tmail/parser.y:398: [BUG] Segmentation fault
ruby 1.9.3dev (2010-09-12 trunk 29232) [x86_64-darwin10.4.0]

-- control frame ----------
c:0105 p:---- s:0416 b:0416 l:000415 d:000415 CFUNC  :new
c:0104 p:0026 s:0410 b:0410 l:000409 d:000409 METHOD lib/tmail/parser.y:398
c:0103 p:0052 s:0403 b:0403 l:000402 d:000402 METHOD lib/tmail/parser.y:345
c:0102 p:0062 s:0397 b:0397 l:000396 d:000396 METHOD /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:248
c:0101 p:0028 s:0393 b:0393 l:000392 d:000392 METHOD /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:224
c:0100 p:0031 s:0389 b:0389 l:000388 d:000388 METHOD /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:135
c:0099 p:0011 s:0386 b:0386 l:000385 d:000385 METHOD /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:260
c:0098 p:0029 s:0383 b:0383 l:000382 d:000382 METHOD /Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/interface.rb:117
c:0097 p:0011 s:0378 b:0378 l:000d30 d:000377 BLOCK  /Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:180
c:0096 p:---- s:0376 b:0376 l:000375 d:000375 FINISH
c:0095 p:---- s:0374 b:0374 l:000373 d:000373 CFUNC  :call
c:0094 p:0012 s:0371 b:0371 l:000370 d:000370 METHOD /Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:275
c:0093 p:0021 s:0365 b:0364 l:000d30 d:000d30 METHOD /Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:180
c:0092 p:0040 s:0360 b:0358 l:000357 d:000357 METHOD /Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:87
c:0091 p:0033 s:0354 b:0354 l:000353 d:000353 METHOD /Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:59
c:0090 p:0081 s:0347 b:0347 l:000346 d:000346 METHOD /Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:31
c:0089 p:0061 s:0344 b:0344 l:000343 d:000343 METHOD /Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:21
c:0088 p:0019 s:0341 b:0341 l:000340 d:000340 METHOD /Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:8
c:0087 p:0152 s:0337 b:0337 l:000336 d:000336 METHOD /Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/job.rb:133
c:0086 p:0030 s:0325 b:0325 l:000324 d:000324 METHOD /Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:157
c:0085 p:0125 s:0320 b:0320 l:000319 d:000319 METHOD /Users/karl/.rvm/gems/ruby-head/gems/resque-jobs-per-fork-0.4.0/lib/resque-jobs-per-fork.rb:46
c:0084 p:0233 s:0314 b:0314 l:000305 d:000313 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:124
c:0083 p:---- s:0311 b:0311 l:000310 d:000310 FINISH
c:0082 p:---- s:0309 b:0309 l:000308 d:000308 CFUNC  :loop
c:0081 p:0031 s:0306 b:0306 l:000305 d:000305 METHOD /Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:110
c:0080 p:0063 s:0301 b:0301 l:000300 d:000300 METHOD /Users/karl/NetBeansProjects/email-sync/features/step_definitions/download_message_headers_steps.rb:16
c:0079 p:0148 s:0295 b:0295 l:002108 d:000294 BLOCK  /Users/karl/NetBeansProjects/email-sync/features/step_definitions/download_message_headers_steps.rb:29
c:0078 p:---- s:0290 b:0290 l:000289 d:000289 FINISH
c:0077 p:---- s:0288 b:0288 l:000287 d:000287 CFUNC  :instance_exec
c:0076 p:0050 s:0284 b:0284 l:000275 d:000283 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48
c:0075 p:0009 s:0282 b:0282 l:000281 d:000281 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:69
c:0074 p:0013 s:0276 b:0276 l:000275 d:000275 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:36
c:0073 p:0050 s:0269 b:0269 l:000268 d:000268 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/rb_support/rb_step_definition.rb:54
c:0072 p:0083 s:0264 b:0264 l:000263 d:000263 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_match.rb:26
c:0071 p:0073 s:0259 b:0259 l:000258 d:000258 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_invocation.rb:62
c:0070 p:0050 s:0253 b:0253 l:000252 d:000252 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_invocation.rb:41
c:0069 p:0012 s:0249 b:0249 l:000970 d:000248 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:99
c:0068 p:0079 s:0247 b:0247 l:000246 d:000246 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164
c:0067 p:0013 s:0241 b:0241 l:000970 d:000970 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:98
c:0066 p:0039 s:0237 b:0237 l:000228 d:000236 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_collection.rb:15
c:0065 p:---- s:0234 b:0234 l:000233 d:000233 FINISH
c:0064 p:---- s:0232 b:0232 l:000231 d:000231 CFUNC  :each
c:0063 p:0036 s:0229 b:0229 l:000228 d:000228 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_collection.rb:14
c:0062 p:0012 s:0224 b:0224 l:000e00 d:000223 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:93
c:0061 p:0079 s:0222 b:0222 l:000221 d:000221 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164
c:0060 p:0013 s:0216 b:0216 l:000e00 d:000e00 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:92
c:0059 p:0033 s:0212 b:0212 l:000f60 d:000211 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:53
c:0058 p:0008 s:0210 b:0210 l:001ce8 d:000209 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:327
c:0057 p:0029 s:0208 b:0208 l:000207 d:000207 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:348
c:0056 p:0015 s:0203 b:0203 l:001ce8 d:000202 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:326
c:0055 p:---- s:0201 b:0201 l:000200 d:000200 FINISH
c:0054 p:---- s:0199 b:0199 l:000198 d:000198 CFUNC  :call
c:0053 p:0014 s:0195 b:0195 l:0026f0 d:000194 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:337
c:0052 p:0005 s:0193 b:0193 l:001b30 d:000192 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:13
c:0051 p:---- s:0191 b:0191 l:000190 d:000190 FINISH
c:0050 p:---- s:0189 b:0189 l:000188 d:000188 CFUNC  :call
c:0049 p:0014 s:0185 b:0185 l:0012a8 d:000184 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:98
c:0048 p:0021 s:0183 b:0183 l:000182 d:000182 METHOD /Users/karl/.rvm/gems/ruby-head/gems/vcr-1.1.2/lib/vcr.rb:38
c:0047 p:0024 s:0179 b:0179 l:000a68 d:000178 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/vcr-1.1.2/lib/vcr/cucumber_tags.rb:25
c:0046 p:---- s:0175 b:0175 l:000174 d:000174 FINISH
c:0045 p:---- s:0173 b:0173 l:000172 d:000172 CFUNC  :instance_exec
c:0044 p:0050 s:0168 b:0168 l:000159 d:000167 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48
c:0043 p:0009 s:0166 b:0166 l:000165 d:000165 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:69
c:0042 p:0013 s:0160 b:0160 l:000159 d:000159 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:36
c:0041 p:0038 s:0153 b:0153 l:000152 d:000152 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/rb_support/rb_hook.rb:14
c:0040 p:0020 s:0147 b:0147 l:000146 d:000146 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:118
c:0039 p:0019 s:0138 b:0138 l:0012a8 d:0020c8 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:97
c:0038 p:---- s:0136 b:0136 l:000135 d:000135 FINISH
c:0037 p:---- s:0134 b:0134 l:000133 d:000133 CFUNC  :call
c:0036 p:0035 s:0131 b:0131 l:0012a8 d:0012a8 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:95
c:0035 p:0013 s:0126 b:0126 l:001b30 d:001b30 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:12
c:0034 p:0014 s:0122 b:0122 l:0026f0 d:0014b8 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:336
c:0033 p:---- s:0120 b:0120 l:000119 d:000119 FINISH
c:0032 p:---- s:0118 b:0118 l:000117 d:000117 CFUNC  :call
c:0031 p:0044 s:0115 b:0115 l:0026f0 d:0026f0 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:334
c:0030 p:0019 s:0109 b:0109 l:001ce8 d:001ce8 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:325
c:0029 p:0129 s:0104 b:0104 l:000f60 d:000488 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:51
c:0028 p:0014 s:0102 b:0102 l:000101 d:000101 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:106
c:0027 p:0036 s:0098 b:0098 l:000f60 d:000f60 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:45
c:0026 p:0012 s:0094 b:0094 l:0007c0 d:000093 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:51
c:0025 p:0079 s:0092 b:0092 l:000091 d:000091 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164
c:0024 p:0013 s:0086 b:0086 l:0007c0 d:0007c0 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:50
c:0023 p:0014 s:0082 b:0082 l:000073 d:000081 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/feature.rb:35
c:0022 p:---- s:0079 b:0079 l:000078 d:000078 FINISH
c:0021 p:---- s:0077 b:0077 l:000076 d:000076 CFUNC  :each
c:0020 p:0125 s:0074 b:0074 l:000073 d:000073 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/feature.rb:34
c:0019 p:0012 s:0070 b:0070 l:001190 d:000069 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:20
c:0018 p:0079 s:0068 b:0068 l:000067 d:000067 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164
c:0017 p:0013 s:0062 b:0062 l:001190 d:001190 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:19
c:0016 p:0014 s:0058 b:0058 l:0010d8 d:000057 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:29
c:0015 p:---- s:0055 b:0055 l:000054 d:000054 FINISH
c:0014 p:---- s:0053 b:0053 l:000052 d:000052 CFUNC  :each
c:0013 p:0015 s:0050 b:0050 l:000049 d:000049 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:17
c:0012 p:0051 s:0046 b:0046 l:0010d8 d:0010d8 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:28
c:0011 p:0012 s:0041 b:0041 l:000590 d:000040 BLOCK  /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:14
c:0010 p:0079 s:0039 b:0039 l:000038 d:000038 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164
c:0009 p:0013 s:0033 b:0033 l:000590 d:000590 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:13
c:0008 p:0262 s:0029 b:0029 l:000028 d:000028 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/cli/main.rb:61
c:0007 p:0026 s:0021 b:0021 l:000020 d:000020 METHOD /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/cli/main.rb:25
c:0006 p:0117 s:0017 b:0017 l:000016 d:000016 TOP    /Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/bin/cucumber:8
c:0005 p:---- s:0013 b:0013 l:000012 d:000012 FINISH
c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC  :load
c:0003 p:0127 s:0007 b:0007 l:001be8 d:0015a0 EVAL   /Users/karl/.rvm/gems/ruby-head/bin/cucumber:19
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:001be8 d:001be8 TOP   
---------------------------
-- Ruby level backtrace information ----------------------------------------
/Users/karl/.rvm/gems/ruby-head/bin/cucumber:19:in `<main>'
/Users/karl/.rvm/gems/ruby-head/bin/cucumber:19:in `load'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/bin/cucumber:8:in `<top (required)>'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/cli/main.rb:25:in `execute'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/cli/main.rb:61:in `execute!'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:13:in `visit_features'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164:in `broadcast'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:14:in `block in visit_features'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:28:in `accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:17:in `each'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:17:in `each'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/features.rb:29:in `block in accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:19:in `visit_feature'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164:in `broadcast'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:20:in `block in visit_feature'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/feature.rb:34:in `accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/feature.rb:34:in `each'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/feature.rb:35:in `block in accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:50:in `visit_feature_element'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164:in `broadcast'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:51:in `block in visit_feature_element'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:45:in `accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:106:in `with_visitor'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:51:in `block in accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:325:in `with_hooks'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:334:in `around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:334:in `call'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:336:in `block (2 levels) in around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:12:in `around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:95:in `execute_around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:95:in `call'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:97:in `block (2 levels) in execute_around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:118:in `invoke'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/rb_support/rb_hook.rb:14:in `invoke'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:36:in `cucumber_instance_exec'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:69:in `cucumber_run_with_backtrace_filtering'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48:in `block in cucumber_instance_exec'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48:in `instance_exec'
/Users/karl/.rvm/gems/ruby-head/gems/vcr-1.1.2/lib/vcr/cucumber_tags.rb:25:in `block (2 levels) in tags'
/Users/karl/.rvm/gems/ruby-head/gems/vcr-1.1.2/lib/vcr.rb:38:in `use_cassette'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:98:in `block (3 levels) in execute_around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:98:in `call'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/language_support/language_methods.rb:13:in `block in around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:337:in `block (3 levels) in around'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:337:in `call'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:326:in `block in with_hooks'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:348:in `before_and_after'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_mother.rb:327:in `block (2 levels) in with_hooks'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/scenario.rb:53:in `block (2 levels) in accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:92:in `visit_steps'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164:in `broadcast'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:93:in `block in visit_steps'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_collection.rb:14:in `accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_collection.rb:14:in `each'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_collection.rb:15:in `block in accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:98:in `visit_step'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:164:in `broadcast'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/tree_walker.rb:99:in `block in visit_step'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_invocation.rb:41:in `accept'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/ast/step_invocation.rb:62:in `invoke'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/step_match.rb:26:in `invoke'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/rb_support/rb_step_definition.rb:54:in `invoke'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:36:in `cucumber_instance_exec'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:69:in `cucumber_run_with_backtrace_filtering'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48:in `block in cucumber_instance_exec'
/Users/karl/.rvm/gems/ruby-head/gems/cucumber-0.8.5/lib/cucumber/core_ext/instance_exec.rb:48:in `instance_exec'
/Users/karl/NetBeansProjects/email-sync/features/step_definitions/download_message_headers_steps.rb:29:in `block in <top (required)>'
/Users/karl/NetBeansProjects/email-sync/features/step_definitions/download_message_headers_steps.rb:16:in `run_resque_jobs'
/Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:110:in `work'
/Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:110:in `loop'
/Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:124:in `block in work'
/Users/karl/.rvm/gems/ruby-head/gems/resque-jobs-per-fork-0.4.0/lib/resque-jobs-per-fork.rb:46:in `perform_with_jobs_per_fork'
/Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/worker.rb:157:in `perform'
/Users/karl/.rvm/gems/ruby-head/gems/resque-1.10.0/lib/resque/job.rb:133:in `perform'
/Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:8:in `perform'
/Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:21:in `perform'
/Users/karl/NetBeansProjects/email-sync/lib/classify_message_headers_job.rb:31:in `email_message'
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:59:in `build_from_rfc822'
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:87:in `rfc822='
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:180:in `attributes_from_tmail'
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:275:in `safe_tmail'
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:275:in `call'
/Users/karl/NetBeansProjects/email-sync/lib/models/email_message.rb:180:in `block in attributes_from_tmail'
/Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/interface.rb:117:in `date'
/Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:260:in `date'
/Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:135:in `ensure_parsed'
/Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:224:in `parse'
/Users/karl/.rvm/gems/ruby-head/gems/tmail-1.2.7.1/lib/tmail/header.rb:248:in `do_parse'
lib/tmail/parser.y:345:in `parse'
lib/tmail/parser.y:398:in `parse'
lib/tmail/parser.y:398:in `new'

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

[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

Abort trap
karl:email-sync karl$ which ruby
/Users/karl/.rvm/rubies/ruby-head/bin/ruby
karl:email-sync karl$ ruby -v
ruby 1.9.3dev (2010-09-12 trunk 29232) [x86_64-darwin10.4.0]


thx.
----------------------------------------
http://redmine.ruby-lang.org/issues/show/3818

----------------------------------------
http://redmine.ruby-lang.org