Julia crash backtrace

gistfile1.txt

Solve for 1
[[1, 1]]
Solve for 2
[[1, 1], [2, 3]]
Solve for 3
[[1, 1], [2, 3], [3, 5]]
Solve for 4
[[1, 1], [2, 3], [3, 5], [4, 2]]
Solve for 5
[[1, 1], [2, 3], [3, 5], [4, 2], [5, 4]]
Solve for 6
[[1, 1], [2, 3], [3, 5], [4, 2], [5, 8], [7, 4]]
Solve for 7
[[1, 1], [2, 3], [3, 5], [4, 2], [5, 8], [7, 4], [8, 7]]
Solve for 8

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000026
0x0000000100003dc9 in jl_subtype_le ()
(gdb) backtrace
#0  0x0000000100003dc9 in jl_subtype_le ()
#1  0x0000000100004277 in jl_subtype_le ()
#2  0x0000000100004415 in jl_tuple_subtype_ ()
#3  0x0000000100004754 in jl_tuple_subtype ()
#4  0x000000010000cc33 in jl_mt_assoc_by_type ()
#5  0x000000010000a778 in jl_apply_generic ()
#6  0x0000000102f74e7b in ?? ()
#7  0x000000010000a7ea in jl_apply_generic ()
#8  0x0000000102f749d2 in ?? ()
#9  0x000000010000a7ea in jl_apply_generic ()
#10 0x0000000102f74ad0 in ?? ()
#11 0x000000010000a7ea in jl_apply_generic ()
#12 0x0000000102f74ad0 in ?? ()
#13 0x000000010000a7ea in jl_apply_generic ()
#14 0x0000000102f74ad0 in ?? ()
#15 0x000000010000a7ea in jl_apply_generic ()
#16 0x0000000102f74ad0 in ?? ()
#17 0x000000010000a7ea in jl_apply_generic ()
#18 0x0000000102f7477f in ?? ()
#19 0x000000010000a7ea in jl_apply_generic ()
#20 0x0000000100034542 in do_call ()
#21 0x00000001000340c6 in eval ()
#22 0x000000010003451e in do_call ()
#23 0x00000001000340c6 in eval ()
#24 0x0000000100034688 in eval_body ()
#25 0x0000000100034927 in jl_interpret_toplevel_thunk_with ()
#26 0x0000000100014eda in jl_toplevel_eval_flex ()
#27 0x00000001000151ec in jl_load_file_expr ()
#28 0x0000000100015484 in jl_load ()
#29 0x0000000102f62827 in ?? ()
#30 0x000000010000a7ea in jl_apply_generic ()
#31 0x0000000102f51703 in ?? ()
#32 0x000000010000a7ea in jl_apply_generic ()
#33 0x0000000102f49033 in ?? ()
#34 0x000000010000a7ea in jl_apply_generic ()
#35 0x0000000100001454 in jl_apply ()
#36 0x00000001000015e9 in true_main ()
#37 0x00000001000376ad in julia_trampoline ()
#38 0x000000010000181d in main ()