Stuck at "Logging In" Message

Recently i made a server, i installed a modpack called crazycraft 3.0 and i was on minecraft version 1.7.10 and when i tried to join it it got stucked on the "Logging In" message and when i checked the console it says left the game. heres the console

[19:27:08] [Server thread/INFO]: Starting minecraft server version 1.7.10

[19:27:52] [Server thread/INFO]: Loading properties

[19:27:52] [Server thread/INFO]: Default game type: SURVIVAL

[19:27:52] [Server thread/INFO]: Generating keypair

[19:27:52] [Server thread/INFO]: Starting Minecraft server on *:10376

[19:27:52] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!

[19:27:52] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.

[19:27:52] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.

[19:27:52] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.

[19:27:58] [Server thread/INFO]: Preparing level "world"

[19:27:59] [Server thread/INFO]: Preparing start region for level 0

[19:28:00] [Server thread/INFO]: Preparing spawn area: 36%

[19:28:01] [Server thread/INFO]: Preparing spawn area: 99%

[19:28:01] [Server thread/INFO]: Done (3.215s)! For help, type "help" or "?"

[19:28:01] [Server thread/INFO]: Starting GS4 status listener

[19:28:01] [Query Listener #1/INFO]: Query running on 0.0.0.0:10376

[19:29:04] [Server thread/INFO]: helpmelol lost connection: TextComponent{text='Disconnected', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}

[19:29:04] [Server thread/INFO]: helpmelol left the game <-- the logging in thing was taking too long so i left

+I am also trying to play with my friends in this server

looks the same to me