push meteor app to heroku fail

heroku.logs

2013-08-17T18:01:37.530687+00:00 heroku[api]: Enable Logplex by [email protected]
2013-08-17T18:01:37.555537+00:00 heroku[api]: Release v2 created by [email protected]
2013-08-17T18:01:38.217833+00:00 heroku[api]: Add BUILDPACK_URL config by [email protected]
2013-08-17T18:01:38.243813+00:00 heroku[api]: Release v3 created by [email protected]
2013-08-17T18:01:51.931211+00:00 heroku[api]: Add MONGO_URL config by [email protected]
2013-08-17T18:01:51.952696+00:00 heroku[api]: Release v4 created by [email protected]
2013-08-17T18:02:05.443420+00:00 heroku[api]: Add ROOT_URL config by [email protected]
2013-08-17T18:02:05.462833+00:00 heroku[api]: Release v5 created by [email protected]
2013-08-17T18:04:36+00:00 heroku[slug-compiler]: Slug compilation started
2013-08-17T18:05:40+00:00 heroku[slug-compiler]: Slug compilation finished
2013-08-17T18:05:41.196692+00:00 heroku[web.1]: Starting process with command `.meteor/heroku_build/bin/node .meteor/heroku_build/app/main.js`
2013-08-17T18:05:41.897113+00:00 heroku[web.1]: Starting process with command `.meteor/heroku_build/bin/node .meteor/heroku_build/app/main.js`
2013-08-17T18:05:42.097752+00:00 app[web.1]: 
2013-08-17T18:05:42.097752+00:00 app[web.1]: /app/.meteor/heroku_build/app/programs/server/boot.js:184
2013-08-17T18:05:42.097988+00:00 app[web.1]: }).run();
2013-08-17T18:05:42.097988+00:00 app[web.1]:    ^
2013-08-17T18:05:42.121411+00:00 app[web.1]: Error: a route URL prefix must begin with a slash
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at new StreamServer (packages/livedata/stream_server.js:23)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at packages/livedata.js:3918:3
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at _.extend.declare (packages/routepolicy/routepolicy.js:95)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at new Server (packages/livedata/livedata_server.js:1029)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at Package (packages/livedata/server_convenience.js:10)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at mains (/app/.meteor/heroku_build/app/programs/server/boot.js:153:10)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at Function._.each._.forEach (/app/.meteor/heroku_build/app/programs/server/node_modules/underscore/underscore.js:79:11)
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at packages/livedata.js:3907:4
2013-08-17T18:05:42.121411+00:00 app[web.1]:     at Array.forEach (native)
2013-08-17T18:05:42.121600+00:00 app[web.1]:     at /app/.meteor/heroku_build/app/programs/server/boot.js:80:5
2013-08-17T18:05:42.954838+00:00 app[web.1]: }).run();
2013-08-17T18:05:42.954241+00:00 app[web.1]: 
2013-08-17T18:05:42.954648+00:00 app[web.1]: /app/.meteor/heroku_build/app/programs/server/boot.js:184
2013-08-17T18:05:42.954896+00:00 app[web.1]:    ^
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at new StreamServer (packages/livedata/stream_server.js:23)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at new Server (packages/livedata/livedata_server.js:1029)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at Package (packages/livedata/server_convenience.js:10)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at packages/livedata.js:3907:4
2013-08-17T18:05:42.977483+00:00 app[web.1]: Error: a route URL prefix must begin with a slash
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at _.extend.declare (packages/routepolicy/routepolicy.js:95)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at mains (/app/.meteor/heroku_build/app/programs/server/boot.js:153:10)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at Array.forEach (native)
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at packages/livedata.js:3918:3
2013-08-17T18:05:42.977483+00:00 app[web.1]:     at Function._.each._.forEach (/app/.meteor/heroku_build/app/programs/server/node_modules/underscore/underscore.js:79:11)
2013-08-17T18:05:42.977708+00:00 app[web.1]:     at /app/.meteor/heroku_build/app/programs/server/boot.js:80:5
2013-08-17T18:05:43.284013+00:00 heroku[web.1]: Process exited with status 1
2013-08-17T18:05:44.197658+00:00 heroku[web.1]: Process exited with status 1
2013-08-17T18:05:44.221676+00:00 heroku[web.1]: State changed from starting to crashed
2013-08-17T18:05:44.222917+00:00 heroku[web.1]: State changed from crashed to starting
2013-08-17T18:05:47.487073+00:00 heroku[web.1]: Starting process with command `.meteor/heroku_build/bin/node .meteor/heroku_build/app/main.js`
2013-08-17T18:05:49.175627+00:00 app[web.1]: 
2013-08-17T18:05:49.175830+00:00 app[web.1]: /app/.meteor/heroku_build/app/programs/server/boot.js:184
2013-08-17T18:05:49.175887+00:00 app[web.1]: }).run();
2013-08-17T18:05:49.175969+00:00 app[web.1]:    ^
2013-08-17T18:05:49.230493+00:00 app[web.1]: Error: a route URL prefix must begin with a slash
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at new StreamServer (packages/livedata/stream_server.js:23)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at new Server (packages/livedata/livedata_server.js:1029)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at Package (packages/livedata/server_convenience.js:10)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at packages/livedata.js:3918:3
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at mains (/app/.meteor/heroku_build/app/programs/server/boot.js:153:10)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at Array.forEach (native)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at Function._.each._.forEach (/app/.meteor/heroku_build/app/programs/server/node_modules/underscore/underscore.js:79:11)
2013-08-17T18:05:49.230716+00:00 app[web.1]:     at /app/.meteor/heroku_build/app/programs/server/boot.js:80:5
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at _.extend.declare (packages/routepolicy/routepolicy.js:95)
2013-08-17T18:05:49.230493+00:00 app[web.1]:     at packages/livedata.js:3907:4
2013-08-17T18:05:50.651781+00:00 heroku[web.1]: Process exited with status 1
2013-08-17T18:05:50.666398+00:00 heroku[web.1]: State changed from starting to crashed
2013-08-17T18:05:52.026890+00:00 heroku[web.1]: Error R99 (Platform error) -> Failed to launch the dyno within 10 seconds
2013-08-17T18:05:52.027111+00:00 heroku[web.1]: Stopping process with SIGKILL
2013-08-17T18:06:03.642175+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=heroku-test-321.herokuapp.com fwd="175.136.164.87" dyno= connect= service= status=503 bytes=