Build Information
Failed to build KeychainKit, reference 1.1.0 (0dcb6d), with Swift 6.1 for macOS (SPM) on 28 Mar 2026 02:09:04 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ErsanQ/KeychainKit.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ErsanQ/KeychainKit
* tag 1.1.0 -> FETCH_HEAD
HEAD is now at 0dcb6d4 feat: add KeychainKey type-safe keys + withLock thread-safe mutation
Cloned https://github.com/ErsanQ/KeychainKit.git
Revision (git rev-parse @):
0dcb6d4781bf4a0b322e346f58c5db24d0c2330f
SUCCESS checkout https://github.com/ErsanQ/KeychainKit.git at 1.1.0
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ErsanQ/KeychainKit.git
https://github.com/ErsanQ/KeychainKit.git
{
"dependencies" : [
],
"manifest_display_name" : "KeychainKit",
"name" : "KeychainKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "16.0"
},
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "tvos",
"version" : "16.0"
},
{
"name" : "watchos",
"version" : "9.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "KeychainKit",
"targets" : [
"KeychainKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "KeychainKitTests",
"module_type" : "SwiftTarget",
"name" : "KeychainKitTests",
"path" : "Tests/KeychainKitTests",
"sources" : [
"KeychainKitTests.swift"
],
"target_dependencies" : [
"KeychainKit"
],
"type" : "test"
},
{
"c99name" : "KeychainKit",
"module_type" : "SwiftTarget",
"name" : "KeychainKit",
"path" : "Sources/KeychainKit",
"product_memberships" : [
"KeychainKit"
],
"sources" : [
"Keychain.swift",
"KeychainAccessibility.swift",
"KeychainError.swift",
"KeychainItem.swift",
"KeychainKey.swift",
"KeychainStore.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/9] Emitting module KeychainKit
[4/9] Compiling KeychainKit KeychainAccessibility.swift
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainAccessibility.swift:46:51: warning: 'kSecAttrAccessibleAlways' was deprecated in macOS 10.14: Use an accessibility level that provides some user protection, such as kSecAttrAccessibleAfterFirstUnlock
44 | case .whenUnlocked: return kSecAttrAccessibleWhenUnlocked
45 | case .afterFirstUnlock: return kSecAttrAccessibleAfterFirstUnlock
46 | case .always: return kSecAttrAccessibleAlways
| `- warning: 'kSecAttrAccessibleAlways' was deprecated in macOS 10.14: Use an accessibility level that provides some user protection, such as kSecAttrAccessibleAfterFirstUnlock
47 | case .whenUnlockedThisDeviceOnly: return kSecAttrAccessibleWhenUnlockedThisDeviceOnly
48 | case .afterFirstUnlockThisDeviceOnly: return kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
[5/9] Compiling KeychainKit KeychainError.swift
[6/9] Compiling KeychainKit KeychainKey.swift
[7/9] Compiling KeychainKit Keychain.swift
[8/9] Compiling KeychainKit KeychainStore.swift
[9/9] Compiling KeychainKit KeychainItem.swift
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:53:18: error: cannot convert value of type '[String]' to specified type 'String'
51 | lock.lock(); defer { lock.unlock() }
52 | return try? store.read(forKey: key.rawValue)
53 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type '[String]' to specified type 'String'
54 | }
55 | nonmutating set {
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:53:41: error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
51 | lock.lock(); defer { lock.unlock() }
52 | return try? store.read(forKey: key.rawValue)
53 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
54 | }
55 | nonmutating set {
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:76:14: error: cannot convert value of type '[String]' to specified type 'String'
74 | fileprivate func _read() -> String? {
75 | try? store.read(forKey: key.rawValue)
76 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type '[String]' to specified type 'String'
77 | }
78 |
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:76:37: error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
74 | fileprivate func _read() -> String? {
75 | try? store.read(forKey: key.rawValue)
76 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
77 | }
78 |
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/8] Compiling KeychainKit KeychainKey.swift
[3/8] Compiling KeychainKit KeychainError.swift
[4/8] Compiling KeychainKit Keychain.swift
[5/8] Compiling KeychainKit KeychainAccessibility.swift
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainAccessibility.swift:46:51: warning: 'kSecAttrAccessibleAlways' was deprecated in macOS 10.14: Use an accessibility level that provides some user protection, such as kSecAttrAccessibleAfterFirstUnlock
44 | case .whenUnlocked: return kSecAttrAccessibleWhenUnlocked
45 | case .afterFirstUnlock: return kSecAttrAccessibleAfterFirstUnlock
46 | case .always: return kSecAttrAccessibleAlways
| `- warning: 'kSecAttrAccessibleAlways' was deprecated in macOS 10.14: Use an accessibility level that provides some user protection, such as kSecAttrAccessibleAfterFirstUnlock
47 | case .whenUnlockedThisDeviceOnly: return kSecAttrAccessibleWhenUnlockedThisDeviceOnly
48 | case .afterFirstUnlockThisDeviceOnly: return kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
[6/8] Emitting module KeychainKit
[7/8] Compiling KeychainKit KeychainStore.swift
[8/8] Compiling KeychainKit KeychainItem.swift
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:53:18: error: cannot convert value of type '[String]' to specified type 'String'
51 | lock.lock(); defer { lock.unlock() }
52 | return try? store.read(forKey: key.rawValue)
53 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type '[String]' to specified type 'String'
54 | }
55 | nonmutating set {
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:53:41: error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
51 | lock.lock(); defer { lock.unlock() }
52 | return try? store.read(forKey: key.rawValue)
53 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
54 | }
55 | nonmutating set {
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:76:14: error: cannot convert value of type '[String]' to specified type 'String'
74 | fileprivate func _read() -> String? {
75 | try? store.read(forKey: key.rawValue)
76 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type '[String]' to specified type 'String'
77 | }
78 |
/Users/admin/builder/spi-builder-workspace/Sources/KeychainKit/KeychainItem.swift:76:37: error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
74 | fileprivate func _read() -> String? {
75 | try? store.read(forKey: key.rawValue)
76 | .flatMap { String(data: $0, encoding: .utf8) }
| `- error: cannot convert value of type 'Data.Element' (aka 'UInt8') to expected argument type 'Data'
77 | }
78 |
BUILD FAILURE 6.1 macosSpm