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Failed to build ReactiveTask with Swift 6.2 for macOS (Xcode) using Xcode 26.3.

Build Command

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Build Log

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RunAll
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Builder version: 4.64.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Carthage/ReactiveTask.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Carthage/ReactiveTask
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e1396a5 Merge pull request #113 from RahulKatariya/master
Submodule path 'Carthage/Checkouts/Nimble': checked out '43304bf2b1579fd555f2fdd51742771c1e4f2b98'
Submodule path 'Carthage/Checkouts/Quick': checked out '94df9b449508344667e5afc7e80f8bcbff1e4c37'
Submodule path 'Carthage/Checkouts/Quick/Externals/Nimble': checked out '43304bf2b1579fd555f2fdd51742771c1e4f2b98'
Submodule path 'Carthage/Checkouts/ReactiveSwift': checked out '3eba2b48ee80f87058de5ae8bb41e585bde5c997'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick': checked out '0b4ed6c706dd0cce923b5019a605a9bcc6b1b600'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs': checked out 'bb795558a76e5daf3688500055bbcfe243bffa8d'
Submodule path 'Carthage/Checkouts/xcconfigs': checked out '3d9d99634cae6d586e272543d527681283b33eb0'
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/ReactiveSwift' (https://github.com/ReactiveCocoa/ReactiveSwift.git) registered for path 'Carthage/Checkouts/ReactiveSwift'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/xcconfigs'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Nimble'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/Quick/Externals/Nimble'...
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Nimble'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/ReactiveSwift/Carthage/Checkouts/Quick/Externals/Nimble'...
Cloned https://github.com/Carthage/ReactiveTask.git
Revision (git rev-parse @):
e1396a56055812234e97aeda78731d7228e0bbc7
SUCCESS checkout https://github.com/Carthage/ReactiveTask.git at master
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Carthage/ReactiveTask.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "reactiveswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveCocoa/ReactiveSwift.git"
    },
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.0.1",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble.git"
    }
  ],
  "manifest_display_name" : "ReactiveTask",
  "name" : "ReactiveTask",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReactiveTask",
      "targets" : [
        "ReactiveTask"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ReactiveTaskTests",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveTaskTests",
      "path" : "Tests/ReactiveTaskTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "StringExtensionSpec.swift",
        "TaskSpec.swift"
      ],
      "target_dependencies" : [
        "ReactiveTask"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReactiveTask",
      "module_type" : "SwiftTarget",
      "name" : "ReactiveTask",
      "path" : "Sources",
      "product_dependencies" : [
        "ReactiveSwift"
      ],
      "product_memberships" : [
        "ReactiveTask"
      ],
      "sources" : [
        "Availability.swift",
        "Errors.swift",
        "Task.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Test",
      "Release",
      "Profile"
    ],
    "name" : "ReactiveTask",
    "schemes" : [
      "ReactiveTask"
    ],
    "targets" : [
      "ReactiveTask",
      "ReactiveTaskTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ReactiveTask -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme ReactiveTask -destination platform=macOS,arch=arm64
2025-06-18 05:43:50.179 xcodebuild[670:3710] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2025-18-06_05-43-0050.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ platform:macOS, arch:arm64 }
	Available destinations for the "ReactiveTask" scheme:
		{ platform:macOS, arch:x86_64, id:b476b509726185e895c0a2acf1639505ab32b147, name:My Mac }
		{ platform:macOS, name:Any Mac }
INFRASTRUCTURE ERROR (status: destinationUnavailable