rethinkdb 1.12.3 crash

crash.log

error: Error in ./src/buffer_cache/alt/alt.hpp at line 327:
error: Guarantee failed: [block_size == lock_->cache()->max_block_size().value()] 
error: Backtrace:
addr2line: 'rethinkdb': No such file
error: Sun May  4 07:30:26 2014
       
       1: backtrace_t::backtrace_t() at 0x115e872 (rethinkdb)
       2: lazy_backtrace_formatter_t::lazy_backtrace_formatter_t() at 0x115eb6d (rethinkdb)
       3: format_backtrace(bool) at 0x115fdd1 (rethinkdb)
       4: report_fatal_error(char const*, int, char const*, ...) at 0x11ace15 (rethinkdb)
       5: btree_depth_first_traversal(counted_t<counted_buf_lock_t>, key_range_t const&, depth_first_traversal_callback_t*, direction_t) at 0xd31b97 (rethinkdb)
       6: btree_depth_first_traversal(counted_t<counted_buf_lock_t>, key_range_t const&, depth_first_traversal_callback_t*, direction_t) at 0xd32205 (rethinkdb)
error: Exiting.