Swift Package Index

Build Information

Failed to build Readium, reference 3.11.0 (d82f44), with Swift 6.3 for macOS (SPM) on 19 Jul 2026 22:08:18 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/readium/swift-toolkit.git
Reference: 3.11.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/readium/swift-toolkit
 * tag               3.11.0     -> FETCH_HEAD
HEAD is now at d82f44f 3.11.0 (#862)
Cloned https://github.com/readium/swift-toolkit.git
Revision (git rev-parse @):
d82f44f4f05d87add9e22a8b75abbd61dce745dd
SUCCESS checkout https://github.com/readium/swift-toolkit.git at 3.11.0
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/readium/GCDWebServer.git
Fetching https://github.com/ra1028/DifferenceKit.git
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/stephencelis/SQLite.swift.git
Fetching https://github.com/apple/swift-docc-plugin
[1/2325] Fetching swift-docc-plugin
[2/3165] Fetching swift-docc-plugin, fuzi
[3/7389] Fetching swift-docc-plugin, fuzi, gcdwebserver
[128/12626] Fetching swift-docc-plugin, fuzi, gcdwebserver, zipfoundation
[454/18655] Fetching swift-docc-plugin, fuzi, gcdwebserver, zipfoundation, swiftsoup
[642/29882] Fetching swift-docc-plugin, fuzi, gcdwebserver, zipfoundation, swiftsoup, sqlite.swift
[2701/32210] Fetching swift-docc-plugin, fuzi, gcdwebserver, zipfoundation, swiftsoup, sqlite.swift, differencekit
Fetched https://github.com/stephencelis/SQLite.swift.git from cache (1.66s)
Fetched https://github.com/scinfu/SwiftSoup.git from cache (1.66s)
[14931/14954] Fetching swift-docc-plugin, fuzi, gcdwebserver, zipfoundation, differencekit
Fetched https://github.com/readium/GCDWebServer.git from cache (1.66s)
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
Fetching https://github.com/marmelroy/Zip.git
Fetched https://github.com/readium/ZIPFoundation.git from cache (1.72s)
Fetched https://github.com/readium/Fuzi.git from cache (1.72s)
Fetched https://github.com/ra1028/DifferenceKit.git from cache (1.72s)
Fetched https://github.com/apple/swift-docc-plugin from cache (1.73s)
[1/2000] Fetching zip
[461/15437] Fetching zip, cryptoswift
Fetched https://github.com/marmelroy/Zip.git from cache (1.36s)
[2822/13437] Fetching cryptoswift
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (2.17s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (6.89s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3757] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.19s)
Computing version for https://github.com/stephencelis/SQLite.swift.git
Computed https://github.com/stephencelis/SQLite.swift.git at 0.16.0 (1.81s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (0.56s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.0 (0.64s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (0.65s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.65s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (0.64s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.70s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.6 (0.54s)
Computing version for https://github.com/readium/GCDWebServer.git
Computed https://github.com/readium/GCDWebServer.git at 4.0.1 (0.62s)
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/GCDWebServer.git
Working copy of https://github.com/readium/GCDWebServer.git resolved at 4.0.1
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.10.0
Creating working copy for https://github.com/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.0
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/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
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/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.6
Creating working copy for https://github.com/stephencelis/SQLite.swift.git
Working copy of https://github.com/stephencelis/SQLite.swift.git resolved at 0.16.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "swift-toolkit",
      "name": "Readium",
      "url": "https://github.com/readium/swift-toolkit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-toolkit",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "cryptoswift",
          "name": "CryptoSwift",
          "url": "https://github.com/krzyzanowskim/CryptoSwift.git",
          "version": "1.10.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CryptoSwift",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "zip",
          "name": "Zip",
          "url": "https://github.com/marmelroy/Zip.git",
          "version": "2.1.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Zip",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "differencekit",
          "name": "DifferenceKit",
          "url": "https://github.com/ra1028/DifferenceKit.git",
          "version": "1.3.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/DifferenceKit",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "fuzi",
          "name": "ReadiumFuzi",
          "url": "https://github.com/readium/Fuzi.git",
          "version": "4.0.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Fuzi",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "gcdwebserver",
          "name": "GCDWebServer",
          "url": "https://github.com/readium/GCDWebServer.git",
          "version": "4.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/GCDWebServer",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "zipfoundation",
          "name": "ReadiumZIPFoundation",
          "url": "https://github.com/readium/ZIPFoundation.git",
          "version": "3.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ZIPFoundation",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "swiftsoup",
          "name": "SwiftSoup",
          "url": "https://github.com/scinfu/SwiftSoup.git",
          "version": "2.13.6",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftSoup",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "sqlite.swift",
          "name": "SQLite.swift",
          "url": "https://github.com/stephencelis/SQLite.swift.git",
          "version": "0.16.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SQLite.swift",
          "traits": [
            "SystemSQLite"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/readium/swift-toolkit.git
[1/134965] Fetching swift-toolkit
Fetched https://github.com/readium/swift-toolkit.git from cache (8.96s)
Fetching https://github.com/readium/Fuzi.git from cache
Fetching https://github.com/scinfu/SwiftSoup.git from cache
Fetching https://github.com/readium/GCDWebServer.git from cache
Fetching https://github.com/marmelroy/Zip.git from cache
Fetching https://github.com/krzyzanowskim/CryptoSwift.git from cache
Fetching https://github.com/stephencelis/SQLite.swift.git from cache
Fetching https://github.com/readium/ZIPFoundation.git from cache
Fetched https://github.com/readium/Fuzi.git from cache (0.43s)
Fetching https://github.com/ra1028/DifferenceKit.git from cache
Fetched https://github.com/scinfu/SwiftSoup.git from cache (0.51s)
Fetched https://github.com/readium/GCDWebServer.git from cache (0.51s)
Fetched https://github.com/stephencelis/SQLite.swift.git from cache (0.51s)
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (0.55s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (0.55s)
Fetched https://github.com/marmelroy/Zip.git from cache (0.55s)
Fetched https://github.com/ra1028/DifferenceKit.git from cache (0.47s)
Computing version for https://github.com/stephencelis/SQLite.swift.git
Computed https://github.com/stephencelis/SQLite.swift.git at 0.16.0 (0.98s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (0.03s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.0 (0.03s)
Computing version for https://github.com/ra1028/DifferenceKit.git
Computed https://github.com/ra1028/DifferenceKit.git at 1.3.0 (0.04s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.04s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (0.03s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.6 (0.03s)
Computing version for https://github.com/readium/GCDWebServer.git
Computed https://github.com/readium/GCDWebServer.git at 4.0.1 (0.03s)
Creating working copy for https://github.com/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.6
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/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.10.0
Creating working copy for https://github.com/marmelroy/Zip.git
Working copy of https://github.com/marmelroy/Zip.git resolved at 2.1.2
Creating working copy for https://github.com/readium/GCDWebServer.git
Working copy of https://github.com/readium/GCDWebServer.git resolved at 4.0.1
Creating working copy for https://github.com/ra1028/DifferenceKit.git
Working copy of https://github.com/ra1028/DifferenceKit.git resolved at 1.3.0
Creating working copy for https://github.com/readium/Fuzi.git
Working copy of https://github.com/readium/Fuzi.git resolved at 4.0.0
Creating working copy for https://github.com/stephencelis/SQLite.swift.git
Working copy of https://github.com/stephencelis/SQLite.swift.git resolved at 0.16.0
Creating working copy for https://github.com/readium/swift-toolkit.git
Working copy of https://github.com/readium/swift-toolkit.git resolved at 3.11.0 (d82f44f)
warning: '.resolve-product-dependencies': dependency 'swift-toolkit' is not used by any target
Found 8 product dependencies
  - CryptoSwift
  - Zip
  - DifferenceKit
  - ReadiumFuzi
  - GCDWebServer
  - ReadiumZIPFoundation
  - SwiftSoup
  - SQLite.swift
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/readium/swift-toolkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
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 6.3 macosSpm