Crashes at launch

Minecraft crashes with the attached Log.

> (0x00000000e5381af8) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\prims\jni.cpp, line 735]
Event: 26.075 Thread 0x0000000002b12800 Exception <a 'java/lang/NoSuchMethodError': java.lang.Object.lambda$comparingByKey$bbdbfea9$1(Ljava/util/Map$Entry;Ljava/util/Map$Entry;)I> (0x00000000e80006c8) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\int³7BP':@
Event: 26.154 Thread 0x0000000002b12800 Exception <a 'sun/nio/fs/WindowsException'> (0x00000000e9577d08) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\prims\jni.cpp, line 709]
Event: 26.159 Thread 0x0000000002b12800 Exception <a 'sun/nio/fs/WindowsException'> (0x00000000e95795a8) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\prims\jni.cpp, line 709]
Event: 27.511 Thread 0x0000000002b12800 Exception <a 'java/lang/NoSuchMethodError': java.lang.Object.lambda$comparingDouble$8dcf42ea$1(Ljava/util/function/ToDoubleFunction;Ljava/lang/Object;Ljava/lang/Object;)I> (0x00000000eb2af728) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u†êAœ<<@
Event: 28.237 Thread 0x0000000002b12800 Exception <a 'java/lang/NoSuchMethodError': java.lang.Object.a(Ljava/lang/StringBuilder;Llf;)V> (0x00000000ea8e2560) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\interpreter\linkResolver.cpp, line 582]
Event: 28.691 Thread 0x0000000002b12800 Implicit null exception at 0x0000000002d88296 to 0x0000000002d8869d
Event: 29.561 Thread 0x0000000002b12800 Exception <a 'java/lang/NoSuchMethodError': java.lang.Object.b(Lzb;)V> (0x00000000d1742458) thrown at [C:\re\workspace\8-2-build-windows-amd64-cygwin\jdk8u51\3951\hotspot\src\share\vm\interpreter\linkResolver.cpp, line 582]
Event: 29.931 Thread 0x000000001c4a4800 Implicit null exception at 0x0000000002db624f to 0x0000000002db6981

Events (10 events):
Event: 30.609 Thread 0x000000001c4a4800 Uncommon trap: trap_request=0xffffff65 fr.pc=0x0000000002d2ac50
Event: 30.609 Thread 0x000000001c4a4800 DEOPT PACKING pc=0x0000000002d2ac50 sp=0x000000002e31aba0
Event: 30.609 Thread 0x000000001c4a4800 DEOPT UNPACKING pc=0x0000000002c5582a sp=0x000000002e31ab20 mode 2
Event: 30.610 loading class sun/security/validator/Validator
Event: 30.615 loading class sun/security/validator/Validator done
Event: 30.615 loading class sun/security/validator/SimpleValidator
Event: 30.621 loading class sun/security/validator/SimpleValidator done
Event: 30.621 loading class sun/security/validator/EndEntityChecker
Event: 30.643 loading class sun/security/validator/EndEntityChecker done
Event: 30.649 loading class java/util/Hashtable$KeySet