Swift Package Index

Build Information

Successful build of cassowary, reference main (553057), with Swift 6.4 for macOS (SPM) on 19 Sep 2026 15:35:32 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/compnerd/cassowary.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/compnerd/cassowary
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5530573 gitignore: ignore the default SPM build directory
Cloned https://github.com/compnerd/cassowary.git
Revision (git rev-parse @):
5530573af9b3899143c442a14a7069aa3e5ea33b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/compnerd/cassowary.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/compnerd/cassowary.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[25 / 42]
[26 / 43] OrderedCollections
[39 / 56] OrderedCollections
[56 / 68] Cassowary
[65 / 68] Cassowary
Build complete! (4.25 sec)
Fetching https://github.com/apple/swift-collections.git
[1/27352] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (3.14s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (3.83s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.0.6
/Users/admin/builder/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 3 |
 4 | @_implementationOnly
 5 | import OrderedCollections
   | `- warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 6 |
 7 | /// An expression is a linear combination of terms and a constant.
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
/Users/admin/builder/spi-builder-workspace/Sources/Cassowary/Expression.swift:5:1: warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 3 |
 4 | @_implementationOnly
 5 | import OrderedCollections
   | `- warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 6 |
 7 | /// An expression is a linear combination of terms and a constant.
/Users/admin/builder/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  3 |
  4 | @_implementationOnly
  5 | import OrderedCollections
    | `- warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  6 |
  7 | internal final class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
/Users/admin/builder/spi-builder-workspace/Sources/Cassowary/Row.swift:5:1: warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  3 |
  4 | @_implementationOnly
  5 | import OrderedCollections
    | `- warning: safely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Cassowary' [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  6 |
  7 | internal final class Row {
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "1.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
  "manifest_display_name" : "cassowary",
  "name" : "cassowary",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "cassowary",
      "targets" : [
        "Cassowary"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CassowaryTests",
      "module_type" : "SwiftTarget",
      "name" : "CassowaryTests",
      "path" : "Tests/CassowaryTests",
      "sources" : [
        "CassowaryTests.swift"
      ],
      "target_dependencies" : [
        "Cassowary"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Cassowary",
      "module_type" : "SwiftTarget",
      "name" : "Cassowary",
      "path" : "Sources/Cassowary",
      "product_dependencies" : [
        "OrderedCollections"
      ],
      "product_memberships" : [
        "cassowary"
      ],
      "sources" : [
        "Constraint.swift",
        "Errors.swift",
        "Expression.swift",
        "Row.swift",
        "Solver.swift",
        "Strength.swift",
        "Symbol.swift",
        "Symbolics.swift",
        "Term.swift",
        "Variable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.