-- C level backtrace information -------------------------------------------
0 libruby.2.2.0.dylib 0x0000000103e6e885 rb_vm_bugreport + 149
1 libruby.2.2.0.dylib 0x0000000103d0dbb4 rb_bug + 468
2 libruby.2.2.0.dylib 0x0000000103d0deac rb_bug_errno + 92
3 libruby.2.2.0.dylib 0x0000000103e7cb2c thread_timer + 588
4 libsystem_pthread.dylib 0x00007fffbb4ac9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffbb4ac8fb _pthread_body + 0
-- Other runtime information -----------------------------------------------
* Loaded script: bin/rails
* Loaded features:
0 enumerator.so
1 rational.so
2 complex.so