Swift Package Index

Build Information

Failed to build ContrastKit, reference main (9d8865), with Swift 5.9 for macOS (SPM) on 27 May 2025 01:42:59 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/markbattistella/ContrastKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/markbattistella/ContrastKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9d88652 Delete Documentation directory
Cloned https://github.com/markbattistella/ContrastKit.git
Revision (git rev-parse @):
9d88652723f702167ec8a6d1bdcc8801cfed5ed8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/markbattistella/ContrastKit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/markbattistella/ContrastKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
[1/10] Compiling ContrastKit PreviewTesting.swift
/Users/admin/builder/spi-builder-workspace/Sources/ContrastKit/UITesting/PreviewTesting.swift:112:24: error: no exact matches in call to instance method 'appendInterpolation'
                Text("\(level)")
                       ^
SwiftUI.LocalizedStringKey:10:30: note: candidate requires that 'ColorLevel' conform to 'ReferenceConvertible' (requirement specified as 'Subject' : 'ReferenceConvertible')
        public mutating func appendInterpolation<Subject>(_ subject: Subject, formatter: Formatter? = nil) where Subject : ReferenceConvertible
                             ^
SwiftUI.LocalizedStringKey:11:30: note: candidate requires that 'NSObject' inherit from 'Subject' (requirement specified as 'Subject' : 'NSObject')
        public mutating func appendInterpolation<Subject>(_ subject: Subject, formatter: Formatter? = nil) where Subject : NSObject
                             ^
SwiftUI.LocalizedStringKey:14:30: note: candidate requires that 'ColorLevel' conform to '_FormatSpecifiable' (requirement specified as 'T' : '_FormatSpecifiable')
        public mutating func appendInterpolation<T>(_ value: T) where T : _FormatSpecifiable
                             ^
[2/10] Emitting module ContrastKit
[3/10] Compiling ContrastKit ContrastLevel.swift
[4/10] Compiling ContrastKit Color+Convenience.swift
[5/10] Compiling ContrastKit Color+Helpers.swift
[6/10] Compiling ContrastKit ColorLevel.swift
[7/10] Compiling ContrastKit UIColor+Ext.swift
[8/10] Compiling ContrastKit Color+Ext.swift
[9/10] Compiling ContrastKit AgnosticColor.swift
[10/10] Compiling ContrastKit Example+SwiftUI.swift
error: fatalError
BUILD FAILURE 5.9 macosSpm