Swift Package Index

Build Information

Failed to build Readium, reference 4.0.0-alpha.2 (e23361), with Swift 6.2 for macOS (SPM) on 26 Sep 2026 08:15:00 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/readium/swift-toolkit.git
Reference: 4.0.0-alpha.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/readium/swift-toolkit
 * tag               4.0.0-alpha.2 -> FETCH_HEAD
HEAD is now at e23361a 4.0.0-alpha.2 (#902)
Cloned https://github.com/readium/swift-toolkit.git
Revision (git rev-parse @):
e23361a748afa66d0095b75897e834de47b249cc
SUCCESS checkout https://github.com/readium/swift-toolkit.git at 4.0.0-alpha.2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/readium/swift-toolkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Fetching https://github.com/marmelroy/Zip.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/scinfu/SwiftSoup.git
[1/2345] Fetching swift-docc-plugin
[166/3190] Fetching swift-docc-plugin, fuzi
[237/10169] Fetching swift-docc-plugin, fuzi, swiftsoup
[305/12169] Fetching swift-docc-plugin, fuzi, swiftsoup, zip
[2658/18117] Fetching swift-docc-plugin, fuzi, swiftsoup, zip, zipfoundation
Fetched https://github.com/scinfu/SwiftSoup.git from cache (2.96s)
Fetched https://github.com/readium/Fuzi.git from cache (2.96s)
Fetched https://github.com/apple/swift-docc-plugin from cache (2.96s)
Fetched https://github.com/marmelroy/Zip.git from cache (2.96s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (2.96s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (5.92s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3830] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.36s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (2.03s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.68s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.74s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.1 (0.66s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.9 (0.56s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/readium/ZIPFoundation.git
Working copy of https://github.com/readium/ZIPFoundation.git resolved at 3.0.1
Creating working copy for https://github.com/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.1
Creating working copy for https://github.com/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.9
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
error: the library 'ReadiumLCP' requires macos 10.13, but depends on the product 'ReadiumZIPFoundation' which requires macos 11.0; consider changing the library 'ReadiumLCP' to require macos 11.0 or later, or the product 'ReadiumZIPFoundation' to require macos 10.13 or earlier.
error: the library 'ReadiumNavigator' requires macos 10.13, but depends on the product 'SwiftSoup' which requires macos 10.15; consider changing the library 'ReadiumNavigator' to require macos 10.15 or later, or the product 'SwiftSoup' to require macos 10.13 or earlier.
error: the library 'ReadiumShared' requires macos 10.13, but depends on the product 'SwiftSoup' which requires macos 10.15; consider changing the library 'ReadiumShared' to require macos 10.15 or later, or the product 'SwiftSoup' to require macos 10.13 or earlier.
error: the library 'ReadiumShared' requires macos 10.13, but depends on the product 'ReadiumZIPFoundation' which requires macos 11.0; consider changing the library 'ReadiumShared' to require macos 11.0 or later, or the product 'ReadiumZIPFoundation' to require macos 10.13 or earlier.
BUILD FAILURE 6.2 macosSpm