truffle compile failed

[nkbai]

I have tried solc version 0.4.24 and 0.5.0.

the following errors:

Compiling ./contracts/Bits.sol...
Compiling ./contracts/BuyoutsProcessor.sol...
Compiling ./contracts/ByteSlice.sol...
Compiling ./contracts/Conversion.sol...
Compiling ./contracts/LimboExitGame.sol...
Compiling ./contracts/Migrations.sol...
Compiling ./contracts/PlasmaBlockStorage.sol...
Compiling ./contracts/PlasmaChallenges.sol...
Compiling ./contracts/PlasmaParent.sol...
Compiling ./contracts/PlasmaTransactionLibrary.sol...
Compiling ./contracts/PriorityQueue.sol...
Compiling ./contracts/RLP.sol...
Compiling ./contracts/SafeMath.sol...
Compiling ./contracts/Structures.sol...
Compiling ./contracts/TXTester.sol...

Compilation warnings encountered:

/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:410:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:410:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:411:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jumpi(end, eq(i, words))
                ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:417:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jump(tag_loop)
                ^------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:418:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:418:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:255:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:255:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:256:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jumpi(end, gt(i, words))
                ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:262:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jump(tag_loop)
                ^------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:263:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:263:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaParent.sol:382:9: Warning: Failure condition of 'send' ignored. Consider using 'transfer' instead.
        beneficiary.send(toSend);
        ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaParent.sol:404:13: Warning: Failure condition of 'send' ignored. Consider using 'transfer' instead.
            beneficiary.send(amount);
            ^----------------------^


/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/Bits.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:10:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/Conversion.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaTransactionLibrary.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaBlockStorage.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/SafeMath.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PriorityQueue.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/Structures.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/BuyoutsProcessor.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/LimboExitGame.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/Migrations.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaChallenges.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaParent.sol:6:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/TXTester.sol:1:1: SyntaxError: Source file requires different compiler version (current compiler is 0.4.24+commit.e67f0147.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.25;
^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:410:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:410:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:411:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jumpi(end, eq(i, words))
                ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:417:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jump(tag_loop)
                ^------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:418:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/RLP.sol:418:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:255:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:255:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            tag_loop:
            ^------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:256:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jumpi(end, gt(i, words))
                ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:262:17: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
                jump(tag_loop)
                ^------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:263:13: Warning: The use of labels is deprecated. Please use "if", "switch", "for" or function calls instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/ByteSlice.sol:263:13: Warning: Jump instructions and labels are low-level EVM features that can lead to incorrect stack access. Because of that they are discouraged. Please consider using "switch", "if" or "for" statements instead.
            end:
            ^-^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaParent.sol:382:9: Warning: Failure condition of 'send' ignored. Consider using 'transfer' instead.
        beneficiary.send(toSend);
        ^----------------------^
,/Volumes/dev/godev/src/github.com/SmartMeshFoundation/SmartPlasma/PlasmaContract/contracts/PlasmaParent.sol:404:13: Warning: Failure condition of 'send' ignored. Consider using 'transfer' instead.
            beneficiary.send(amount);
            ^----------------------^