standard_benchmark in mongodb-mongo-0.12

- old
+ new

@@ -78,10 +78,10 @@
 benchmark('batch insert (small, no index)', insert_batch, PER_TRIAL/BATCH_SIZE, db, 'small_bulk', SMALL)
 benchmark('batch insert (medium, no index)', insert_batch, PER_TRIAL/BATCH_SIZE, db, 'medium_bulk', MEDIUM)
 benchmark('batch insert (large, no index)', insert_batch, PER_TRIAL/BATCH_SIZE, db, 'large_bulk', LARGE)
 
 find_one = Proc.new { |coll, x, i|
-  coll.find_first('x' => x)
+  coll.find_one('x' => x)
 }
 benchmark('find_one (small, no index)', find_one, PER_TRIAL, db, 'small_none', PER_TRIAL / 2)
 benchmark('find_one (medium, no index)', find_one, PER_TRIAL, db, 'medium_none', PER_TRIAL / 2)
 benchmark('find_one (large, no index)', find_one, PER_TRIAL, db, 'large_none', PER_TRIAL / 2)
 