can not run benchmark app.js

[nroe]

Nroe@Nroe:benchmark# node -v
v0.4.10
Nroe@Nroe:benchmark# node app.js

node.js:134
throw e; // process.nextTick error, or 'error' event on first tick
^
Error: targetStart out of bounds
at Buffer.copy (buffer.js:344:11)
at loadDatabase (/node-search/benchmark/lib/nstore.js:202:13)
at nStore (/node-search/benchmark/lib/nstore.js:243:3)
at Object. (/node-search/benchmark/app.js:5:10)
at Module._compile (module.js:402:26)
at Object..js (module.js:408:10)
at Module.load (module.js:334:31)
at Function._load (module.js:293:12)
at Array. (module.js:421:10)
at EventEmitter._tickCallback (node.js:126:26)