crackpot:~/ruby/pdfparser/light$ ruby1.9.1 runtime.rb 
Destination: page_num: 0, top: 0.000000, left: 0.000000, right: 0.000000, zoom: 0.000000, dest: section.10
section.10
/home/chloe/ruby/pdfparser/light/PDFParser.rb:47: [BUG] Segmentation fault
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-linux]

-- control frame ----------
c:0011 p:---- s:0034 b:0034 l:000033 d:000033 CFUNC  :find_dest
c:0010 p:0204 s:0030 b:0030 l:000009 d:000029 BLOCK  /home/chloe/ruby/pdfparser/light/PDFParser.rb:47
c:0009 p:---- s:0024 b:0024 l:000023 d:000023 FINISH
c:0008 p:---- s:0022 b:0022 l:000021 d:000021 CFUNC  :each
c:0007 p:0025 s:0019 b:0019 l:000009 d:000018 BLOCK  /home/chloe/ruby/pdfparser/light/PDFParser.rb:39
c:0006 p:---- s:0015 b:0015 l:000014 d:000014 FINISH
c:0005 p:---- s:0013 b:0013 l:000012 d:000012 CFUNC  :each
c:0004 p:0037 s:0010 b:0010 l:000009 d:000009 METHOD /home/chloe/ruby/pdfparser/light/PDFParser.rb:37
c:0003 p:0055 s:0007 b:0007 l:0012c8 d:001070 EVAL   runtime.rb:8
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:0012c8 d:0012c8 TOP   
---------------------------
-- Ruby level backtrace information ----------------------------------------
runtime.rb:8:in `<main>'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:37:in `DumpLinks'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:37:in `each'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:39:in `block in DumpLinks'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:39:in `each'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:47:in `block (2 levels) in DumpLinks'
/home/chloe/ruby/pdfparser/light/PDFParser.rb:47:in `find_dest'

-- C level backtrace information -------------------------------------------
/usr/lib/libruby-1.9.1.so.1.9(rb_vm_bugreport+0x61) [0x7f15c9565db1]
/usr/lib/libruby-1.9.1.so.1.9(+0x592fe) [0x7f15c946d2fe]
/usr/lib/libruby-1.9.1.so.1.9(rb_bug+0xa5) [0x7f15c946dd55]
/usr/lib/libruby-1.9.1.so.1.9(+0xf3c84) [0x7f15c9507c84]
/lib/x86_64-linux-gnu/libc.so.6(+0x36420) [0x7f15c90ab420]
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/glib2.so(rbgobj_ruby_object_from_instance2+0x1a) [0x7f15c7a9a13a]
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/poppler.so(+0xb366) [0x7f15bf71e366]
/usr/lib/libruby-1.9.1.so.1.9(+0x14aac6) [0x7f15c955eac6]
/usr/lib/libruby-1.9.1.so.1.9(+0x141806) [0x7f15c9555806]
/usr/lib/libruby-1.9.1.so.1.9(+0x14743d) [0x7f15c955b43d]
/usr/lib/libruby-1.9.1.so.1.9(rb_yield+0x26e) [0x7f15c9560f2e]
/usr/lib/libruby-1.9.1.so.1.9(rb_ary_each+0x46) [0x7f15c94447d6]
/usr/lib/libruby-1.9.1.so.1.9(+0x14aac6) [0x7f15c955eac6]
/usr/lib/libruby-1.9.1.so.1.9(+0x141806) [0x7f15c9555806]
/usr/lib/libruby-1.9.1.so.1.9(+0x14743d) [0x7f15c955b43d]
/usr/lib/libruby-1.9.1.so.1.9(rb_yield+0x26e) [0x7f15c9560f2e]
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/poppler.so(+0xb270) [0x7f15bf71e270]
/usr/lib/libruby-1.9.1.so.1.9(+0x14aac6) [0x7f15c955eac6]
/usr/lib/libruby-1.9.1.so.1.9(+0x141806) [0x7f15c9555806]
/usr/lib/libruby-1.9.1.so.1.9(+0x14743d) [0x7f15c955b43d]
/usr/lib/libruby-1.9.1.so.1.9(rb_iseq_eval_main+0xb2) [0x7f15c9562432]
/usr/lib/libruby-1.9.1.so.1.9(+0x5d4a2) [0x7f15c94714a2]
/usr/lib/libruby-1.9.1.so.1.9(ruby_exec_node+0x1d) [0x7f15c9471f9d]
/usr/lib/libruby-1.9.1.so.1.9(ruby_run_node+0x1e) [0x7f15c9473bde]
ruby1.9.1(main+0x4b) [0x4007fb]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f15c909630d]
ruby1.9.1() [0x400829]

[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

Aborted