Swift Package Index

Build Information

Failed to build CLI with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

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RunAll
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Builder version: 4.40.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Ponyboy47/CLI.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Ponyboy47/CLI
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 30b84cd Updated README for MultiOption
Cloned https://github.com/Ponyboy47/CLI.git
Revision (git rev-parse @):
30b84cd3b751789e8a53f1ca428731ae6ec4e011
SUCCESS checkout https://github.com/Ponyboy47/CLI.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/Ponyboy47/CLI.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/8] Compiling Strings Strings.swift
[5/8] Compiling Strings Substring.swift
[6/8] Compiling Strings Strings+Subscript.swift
[7/8] Compiling Strings Strings+Validation.swift
[8/8] Emitting module Strings
[9/15] Compiling CLI ArgumentTypes.swift
[10/15] Compiling CLI MultiOption.swift
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
50 |
51 |     public subscript(bounds: Range<Int>) -> Slice<[A]> {
52 |         return values[bounds]
   |                `- error: 'subscript(_:)' is unavailable
53 |     }
54 |
Swift.MutableCollection:6:23: note: 'subscript(_:)' has been explicitly marked unavailable here
 4 |     @inlinable public mutating func withContiguousMutableStorageIfAvailable<R>(_ body: (inout UnsafeMutableBufferPointer<Self.Element>) throws -> R) rethrows -> R?
 5 |     @available(*, unavailable)
 6 |     @inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }
   |                       `- note: 'subscript(_:)' has been explicitly marked unavailable here
 7 |     @available(*, unavailable)
 8 |     public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
[11/15] Compiling CLI Option+Flag.swift
[12/15] Emitting module CLI
/Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift:20:23: warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 18 |     private var hasParsed = false
 19 |
 20 |     public static var `default`: ArgumentParser = {
    |                       |- warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'default' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 21 |         return ArgumentParser()
 22 |     }()
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
[13/15] Compiling CLI ArgumentErrors.swift
[14/15] Compiling CLI ArgumentParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift:20:23: warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 18 |     private var hasParsed = false
 19 |
 20 |     public static var `default`: ArgumentParser = {
    |                       |- warning: static property 'default' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'default' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 21 |         return ArgumentParser()
 22 |     }()
[15/15] Compiling CLI ArgumentProtocols.swift
Fetching https://github.com/Ponyboy47/Strings.git
[1/104] Fetching strings
Fetched https://github.com/Ponyboy47/Strings.git from cache (0.68s)
Computing version for https://github.com/Ponyboy47/Strings.git
Computed https://github.com/Ponyboy47/Strings.git at 2.2.1 (0.65s)
Creating working copy for https://github.com/Ponyboy47/Strings.git
Working copy of https://github.com/Ponyboy47/Strings.git resolved at 2.2.1
BUILD FAILURE 6.0 macosSpm