Swift Package Index

Build Information

Successful build of cassowary, reference 0.0.2 (655d2a), with Swift 6.4 for macOS (SPM) on 19 Sep 2026 15:33:30 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
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/compnerd/cassowary.git
Reference: 0.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/compnerd/cassowary
 * tag               0.0.2      -> FETCH_HEAD
HEAD is now at 655d2af Fix for intermittent failure for multi term expressions. The cause is Dictionary is not Ordered and Terms must be evaluated in insertion order.
Cloned https://github.com/compnerd/cassowary.git
Revision (git rev-parse @):
655d2afbc3dc306261610ecb0db73a6b0564041f
SUCCESS checkout https://github.com/compnerd/cassowary.git at 0.0.2
========================================
Build
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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]
[26 / 48]
[27 / 49] OrderedCollections
[40 / 62] OrderedCollections
[57 / 74] Cassowary
[68 / 74] Cassowary
[71 / 74] cassowary-product
Build complete! (4.54 sec)
Fetching https://github.com/apple/swift-collections.git
[1/27352] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (3.61s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.6 (4.34s)
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 | public struct Expression {
/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 class Row {
[#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 | public struct Expression {
[#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 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" : [
          "dynamic"
        ]
      }
    }
  ],
  "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.