Swift Package Index

Build Information

Failed to build Readium, reference 4.0.0-alpha.2 (e23361), with Swift 6.3 for macOS (SPM) on 26 Sep 2026 08:15:07 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
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
Fetching https://github.com/readium/ZIPFoundation.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/readium/Fuzi.git
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/marmelroy/Zip.git
[1/845] Fetching fuzi
[2/3190] Fetching fuzi, swift-docc-plugin
[3/5190] Fetching fuzi, swift-docc-plugin, zip
[457/11138] Fetching fuzi, swift-docc-plugin, zip, zipfoundation
[1568/18117] Fetching fuzi, swift-docc-plugin, zip, zipfoundation, swiftsoup
Fetched https://github.com/apple/swift-docc-plugin from cache (1.35s)
[3286/15772] Fetching fuzi, zip, zipfoundation, swiftsoup
Fetched https://github.com/marmelroy/Zip.git from cache (1.72s)
Fetched https://github.com/readium/Fuzi.git from cache (1.72s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (1.72s)
Fetched https://github.com/scinfu/SwiftSoup.git from cache (1.74s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (4.85s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3830] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.39s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (1.96s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.66s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.73s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.1 (0.63s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.9 (0.53s)
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/ZIPFoundation.git
Working copy of https://github.com/readium/ZIPFoundation.git resolved at 3.0.1
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/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
========================================
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": "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": "fuzi",
          "name": "ReadiumFuzi",
          "url": "https://github.com/readium/Fuzi.git",
          "version": "4.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Fuzi",
          "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": "2.13.9",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftSoup",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/readium/swift-toolkit.git
[1/153494] Fetching swift-toolkit
Fetched https://github.com/readium/swift-toolkit.git from cache (17.46s)
Fetching https://github.com/scinfu/SwiftSoup.git from cache
Fetching https://github.com/marmelroy/Zip.git from cache
Fetching https://github.com/readium/ZIPFoundation.git from cache
Fetching https://github.com/readium/Fuzi.git from cache
Fetched https://github.com/scinfu/SwiftSoup.git from cache (0.63s)
Fetched https://github.com/marmelroy/Zip.git from cache (0.63s)
Fetched https://github.com/readium/Fuzi.git from cache (0.63s)
Fetched https://github.com/readium/ZIPFoundation.git from cache (0.63s)
Computing version for https://github.com/readium/ZIPFoundation.git
Computed https://github.com/readium/ZIPFoundation.git at 3.0.1 (0.69s)
Computing version for https://github.com/marmelroy/Zip.git
Computed https://github.com/marmelroy/Zip.git at 2.1.2 (0.05s)
Computing version for https://github.com/readium/Fuzi.git
Computed https://github.com/readium/Fuzi.git at 4.0.1 (0.03s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.9 (0.03s)
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/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/swift-toolkit.git
Working copy of https://github.com/readium/swift-toolkit.git resolved at 4.0.0-alpha.2 (e23361a)
Creating working copy for https://github.com/readium/ZIPFoundation.git
Working copy of https://github.com/readium/ZIPFoundation.git resolved at 3.0.1
warning: '.resolve-product-dependencies': dependency 'swift-toolkit' is not used by any target
Found 4 product dependencies
  - Zip
  - ReadiumFuzi
  - ReadiumZIPFoundation
  - SwiftSoup
========================================
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-26.5.0.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