Build Information
Successful build of BlockchainSwift, reference 0.2.0 (a7216e), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 02:28:00 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/nevstad/blockchain-swift.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nevstad/blockchain-swift
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at a7216ed Merge pull request #1 from nevstad/feature/network
Cloned https://github.com/nevstad/blockchain-swift.git
Revision (git rev-parse @):
a7216eda4b2f598f190b49bbb325bfefa34b244c
SUCCESS checkout https://github.com/nevstad/blockchain-swift.git at 0.2.0
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/nevstad/blockchain-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[19 / 28]
[31 / 40] BlockchainSwift
[32 / 40] BlockchainSwift
[37 / 40] BlockchainSwift
Build complete! (7.94 sec)
/Users/admin/builder/spi-builder-workspace/Sources/BlockchainSwift/Core/Serialization.swift:25:33: [1;33mwarning: [1;39minitialization of 'UnsafeBufferPointer<Self>' results in a dangling buffer pointer[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/temporary-pointers\TemporaryPointers]8;;\]
[0;36m23 |[0;0m static func +(lhs: Data, rhs: Self) -> Data {
[0;36m24 |[0;0m var value = rhs
[0;36m25 |[0;0m let data = Data(buffer: [4;39mUnsafeBufferPointer(start: &value, count: 1)[0;0m)
[0;36m|[0;0m | |- [1;39mnote: [1;39mimplicit argument conversion from 'Self' to 'UnsafePointer<Self>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'[0;0m
[0;36m|[0;0m | `- [1;39mnote: [1;39muse 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope[0;0m
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of 'UnsafeBufferPointer<Self>' results in a dangling buffer pointer[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/temporary-pointers\TemporaryPointers]8;;\]
[0;36m26 |[0;0m return lhs + data
[0;36m27 |[0;0m }
[#TemporaryPointers]: <https://docs.swift.org/compiler/documentation/diagnostics/temporary-pointers>
/Users/admin/builder/spi-builder-workspace/Sources/BlockchainSwift/Crypto/ECDSA.swift:21:22: [1;33mwarning: [1;39m'SecKeyGeneratePair' was deprecated in macOS 12.0: Use SecKeyCreateRandomKey[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m19 |[0;0m var privateKey: SecKey?
[0;36m20 |[0;0m var publicKey: SecKey?
[0;36m21 |[0;0m let status = SecKeyGeneratePair(query as CFDictionary, &publicKey, &privateKey)
[0;36m|[0;0m `- [1;33mwarning: [1;39m'SecKeyGeneratePair' was deprecated in macOS 12.0: Use SecKeyCreateRandomKey[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m22 |[0;0m
[0;36m23 |[0;0m guard status == errSecSuccess else {
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "BlockchainSwift",
"name" : "BlockchainSwift",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "BlockchainSwift",
"targets" : [
"BlockchainSwift"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "BlockchainSwiftTests",
"module_type" : "SwiftTarget",
"name" : "BlockchainSwiftTests",
"path" : "Tests/BlockchainSwiftTests",
"sources" : [
"BlockchainSwiftTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"BlockchainSwift"
],
"type" : "test"
},
{
"c99name" : "BlockchainSwift",
"module_type" : "SwiftTarget",
"name" : "BlockchainSwift",
"path" : "Sources/BlockchainSwift",
"product_memberships" : [
"BlockchainSwift"
],
"sources" : [
"Core/Block.swift",
"Core/Blockchain.swift",
"Core/Serialization.swift",
"Core/Transaction.swift",
"Core/TransactionInput.swift",
"Core/TransactionOutPoint.swift",
"Core/TransationOutput.swift",
"Crypto/ECDSA.swift",
"Crypto/SHA.swift",
"Network/Node.swift",
"Network/NodeAddress.swift",
"Network/NodeClient.swift",
"Network/NodeMessages.swift",
"Network/NodeServer.swift",
"ProofOfWork/ProofOfWork.swift",
"Wallet/Wallet.swift"
],
"type" : "library"
}
],
"tools_version" : "4.2"
}
Done.