Swift Package Index

Build Information

Failed to build swift-ascii, reference 1.3.1 (812b4f), with Swift 6.0 for macOS (SPM) on 6 Apr 2026 13:30:39 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build 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/orchetect/swift-ascii.git
Reference: 1.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/orchetect/swift-ascii
 * tag               1.3.1      -> FETCH_HEAD
HEAD is now at 812b4f7 Removed .swift-version file The presence of this file causes build issues when using the swiftly toolchain manager CLI. See https://github.com/swiftlang/swiftly/issues/421
Cloned https://github.com/orchetect/swift-ascii.git
Revision (git rev-parse @):
812b4f73b020bd32abb9b31d843faa2781ea2ff5
SUCCESS checkout https://github.com/orchetect/swift-ascii.git at 1.3.1
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Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/orchetect/swift-ascii.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/7] Compiling SwiftASCII CharacterSet Extensions.swift
[4/7] Compiling SwiftASCII String Extensions.swift
[5/7] Emitting module SwiftASCII
/Users/admin/builder/spi-builder-workspace/Sources/SwiftASCII/ASCIICharacter.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: Character)` failable initializer and a `init(_ lossy: Character)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIICharacter {
 14 |     /// The ASCII character returned as a `Character`
/Users/admin/builder/spi-builder-workspace/Sources/SwiftASCII/ASCIIString.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: String)` failable initializer and a `init(_ lossy: String)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIIString {
 14 |     /// The ASCII string returned as a `String`
[6/7] Compiling SwiftASCII ASCIIString.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftASCII/ASCIIString.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: String)` failable initializer and a `init(_ lossy: String)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIIString {
 14 |     /// The ASCII string returned as a `String`
[7/7] Compiling SwiftASCII ASCIICharacter.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftASCII/ASCIICharacter.swift:12:1: error: 'nonisolated' modifier cannot be applied to this declaration
 10 | /// Offers a validating `init?(exactly: Character)` failable initializer and a `init(_ lossy: Character)`
 11 | /// conversion initializer.
 12 | nonisolated
    | `- error: 'nonisolated' modifier cannot be applied to this declaration
 13 | public struct ASCIICharacter {
 14 |     /// The ASCII character returned as a `Character`
BUILD FAILURE 6.0 macosSpm