This is the bug report showing on the screen:

Completely ignored arguments: [--nativeLauncherVersion, 286]
[15:23:45] [Client thread/INFO]: Setting user: megansheppy
[15:23:45] [Client thread/INFO]: (Session ID is token:c855fbf52b4e44378b30166ffbefca74:987dea3463894e17b48fc0b7af5202ed)
[15:23:46] [Client thread/INFO]: LWJGL Version: 2.9.4
[15:23:47] [Client thread/INFO]: Reloading ResourceManager: Default, [1.7]_R3D.CRAFT_SR-64x_v0.1.7
[15:23:48] [Sound Library Loader/INFO]: Starting up SoundSystem...
[15:23:48] [Thread-6/INFO]: Initializing LWJGL OpenAL
[15:23:48] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[15:23:48] [Thread-6/INFO]: OpenAL initialized.
[15:23:48] [Sound Library Loader/INFO]: Sound engine started
[15:23:54] [Client thread/INFO]: Created: 2048x1024 textures-atlas
[15:24:15] [Client thread/INFO]: Connecting to play.islandclash.com, 25565
[15:24:19] [Client thread/INFO]: [CHAT] ---------------------------
We have a Teamspeak server!
IP: ts.islandclash.com
---------------------------
[15:24:19] [Client thread/INFO]: [CHAT] ---------------------------
[15:24:19] [Client thread/INFO]: [CHAT] Protip ? Welcome to Island Clash. If you are new, you will have to join an existing island.
[15:24:19] [Client thread/INFO]: [CHAT] Protip ? To do this, click the Menu, and go to Explore. Left clicking any island will send a request to join!
[15:24:19] [Client thread/INFO]: [CHAT] Protip ? If you ever have further questions, you can type /faq.
[15:24:19] [Client thread/INFO]: [CHAT] ---------------------------
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1. A fatal error has been detected by the Java Runtime Environment:
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2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000001b4eb6b5, pid=6676, tid=6684
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3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig75icd64.dll+0x6b6b5]
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7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
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8. An error report file with more information is saved as:
9. C:\Users\shepm_000\AppData\Roaming\.minecraft\hs_err_pid6676.log
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10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
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    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release