Swift Package Index

Build Information

Failed to build CLI, reference 2.3.1 (30b84c), with Swift 6.2 (beta) for macOS (SPM) on 18 Jun 2025 14:52:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Ponyboy47/CLI.git
Reference: 2.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Ponyboy47/CLI
 * tag               2.3.1      -> FETCH_HEAD
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 2.3.1
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Build
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Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Ponyboy47/CLI.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-1EA4D86E10B52AF.txt
[4/8] Emitting module Strings
[5/8] Compiling Strings Strings+Validation.swift
[6/8] Compiling Strings Strings+Subscript.swift
[7/8] Compiling Strings Substring.swift
[8/8] Compiling Strings Strings.swift
[9/15] Compiling CLI ArgumentTypes.swift
[10/15] Compiling CLI ArgumentProtocols.swift
[11/15] Compiling CLI ArgumentParser.swift
[12/15] Emitting module CLI
/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 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.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
1 | protocol MutableCollection {
2 | @available(*, unavailable)
3 |   @inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
  |                     `- note: 'subscript(_:)' has been explicitly marked unavailable here
4 |
[15/15] Compiling CLI Option+Flag.swift
Fetching https://github.com/Ponyboy47/Strings.git
[1/104] Fetching strings
Fetched https://github.com/Ponyboy47/Strings.git from cache (0.64s)
Computing version for https://github.com/Ponyboy47/Strings.git
Computed https://github.com/Ponyboy47/Strings.git at 2.2.1 (1.19s)
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 6.2 macosSpm