segfault_on_using.rb:5: [BUG] Segmentation fault at 0x000000000000001b
ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-darwin16]

-- Crash Report log information --------------------------------------------
   See Crash Report log file under the one of following:                    
     * ~/Library/Logs/DiagnosticReports                                     
     * /Library/Logs/DiagnosticReports                                      
   for more details.                                                        
Don't forget to include the above Crash Report log file in bug reports.     

-- Control frame information -----------------------------------------------
c:0003 p:---- s:0011 e:000010 CFUNC  :using
c:0002 p:0020 s:0006 e:000005 EVAL   segfault_on_using.rb:5 [FINISH]
c:0001 p:0000 s:0003 E:001950 (none) [FINISH]

-- Ruby level backtrace information ----------------------------------------
segfault_on_using.rb:5:in `<main>'
segfault_on_using.rb:5:in `using'

-- Machine register context ------------------------------------------------
 rax: 0x000000010d483210 rbx: 0x0000000000000003 rcx: 0x0000000000000001
 rdx: 0x000000010d3b7510 rdi: 0x0000000000000003 rsi: 0x00007fff529e7e9c
 rbp: 0x00007fff529e7e40 rsp: 0x00007fff529e7e10  r8: 0x00007ff00d58f508
  r9: 0x00007ff00d40c6d0 r10: 0x0000000000000209 r11: 0x00007fff529e7e28
 r12: 0x00007ff00d8d6468 r13: 0x00007ff00d40d600 r14: 0x00007fff529e7e9c
 r15: 0x00007fff529e7e9c rip: 0x000000010d3b70f8 rfl: 0x0000000000010206

-- C level backtrace information -------------------------------------------
0   ruby                                0x000000010d3e2777 rb_vm_bugreport + 135
1   ruby                                0x000000010d27c8e8 rb_bug_context + 472
2   ruby                                0x000000010d35cf98 sigsegv + 72
3   libsystem_platform.dylib            0x00007fff8d67cb3a _sigtramp + 26
4   ruby                                0x000000010d3b70f8 classname + 40
5   ruby                                0x000000010d3b726b rb_tmp_class_path + 27
6   ruby                                0x000000010d3b7508 rb_search_class_path + 24
7   ruby                                0x000000010d2881b6 top_using + 118
8   ruby                                0x000000010d3d63a0 vm_call_cfunc + 272
9   ruby                                0x000000010d3c0356 vm_exec_core + 9846
10  ruby                                0x000000010d3d10b4 vm_exec + 116
11  ruby                                0x000000010d28576a ruby_exec_internal + 138
12  ruby                                0x000000010d285688 ruby_run_node + 56
13  ruby                                0x000000010d217dbf main + 79

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

* Loaded script: segfault_on_using.rb

* Loaded features:

    0 enumerator.so
    1 thread.rb
    2 rational.so
    3 complex.so
    4 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/x86_64-darwin16/enc/encdb.bundle
    5 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/x86_64-darwin16/enc/trans/transdb.bundle
    6 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/unicode_normalize.rb
    7 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/x86_64-darwin16/rbconfig.rb
    8 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/compatibility.rb
    9 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/defaults.rb
   10 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/deprecate.rb
   11 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/errors.rb
   12 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/version.rb
   13 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/requirement.rb
   14 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/platform.rb
   15 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/basic_specification.rb
   16 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/stub_specification.rb
   17 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/util/list.rb
   18 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/x86_64-darwin16/stringio.bundle
   19 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/specification.rb
   20 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/exceptions.rb
   21 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/dependency.rb
   22 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/core_ext/kernel_gem.rb
   23 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/monitor.rb
   24 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb
   25 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems.rb
   26 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/rubygems/path_support.rb
   27 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/version.rb
   28 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/core_ext/name_error.rb
   29 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/levenshtein.rb
   30 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/jaro_winkler.rb
   31 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checker.rb
   32 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/2.4.0/delegate.rb
   33 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers/class_name_checker.rb
   34 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers/variable_name_checker.rb
   35 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers.rb
   36 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/method_name_checker.rb
   37 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/null_checker.rb
   38 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/formatter.rb
   39 /Users/minoritea/bin/.ruby-build/2.4.2/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean.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

[IMPORTANT]
Don't forget to include the Crash Report log file under
DiagnosticReports directory in bug reports.

Abort trap: 6