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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Semver, reference master (6ca23f), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 22:55:52 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Jomy10/SemverSwift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Jomy10/SemverSwift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6ca23fa Merge branch 'master' of github.com:Jomy10/SemverSwift
Cloned https://github.com/Jomy10/SemverSwift.git
Revision (git rev-parse @):
6ca23fa34bc886107fbac82d94b97ffb7a632268
SUCCESS checkout https://github.com/Jomy10/SemverSwift.git at master
Fetching https://github.com/Jomy10/SemverBridge
[1/138] Fetching semverbridge
Fetched https://github.com/Jomy10/SemverBridge from cache (2.01s)
Creating working copy for https://github.com/Jomy10/SemverBridge
Working copy of https://github.com/Jomy10/SemverBridge resolved at master (6e9aab4)
========================================
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",
  "dependencies": [
    {
      "identity": "semverswift",
      "name": "Semver",
      "url": "https://github.com/Jomy10/SemverSwift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SemverSwift",
      "dependencies": [
        {
          "identity": "semverbridge",
          "name": "SemverBridge",
          "url": "https://github.com/Jomy10/SemverBridge",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SemverBridge",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Jomy10/SemverSwift.git
[1/171] Fetching semverswift
Fetched https://github.com/Jomy10/SemverSwift.git from cache (2.56s)
Fetching https://github.com/Jomy10/SemverBridge from cache
Fetched https://github.com/Jomy10/SemverBridge from cache (0.47s)
Creating working copy for https://github.com/Jomy10/SemverBridge
Working copy of https://github.com/Jomy10/SemverBridge resolved at master (58d52fa)
Creating working copy for https://github.com/Jomy10/SemverSwift.git
Working copy of https://github.com/Jomy10/SemverSwift.git resolved at master (6ca23fa)
warning: '.resolve-product-dependencies': dependency 'semverswift' is not used by any target
Found 1 product dependencies
  - SemverBridge
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Jomy10/SemverSwift.git
https://github.com/Jomy10/SemverSwift.git
{
  "dependencies" : [
    {
      "identity" : "semverbridge",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Jomy10/SemverBridge"
    }
  ],
  "manifest_display_name" : "Semver",
  "name" : "Semver",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Semver",
      "targets" : [
        "Semver"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SemverTests",
      "module_type" : "SwiftTarget",
      "name" : "SemverTests",
      "path" : "Tests/SemverTests",
      "sources" : [
        "ComparatorTests.swift",
        "PrereleaseTests.swift",
        "SemverTests.swift",
        "VersionReqTests.swift",
        "VersionTests.swift"
      ],
      "target_dependencies" : [
        "Semver"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Semver",
      "module_type" : "SwiftTarget",
      "name" : "Semver",
      "path" : "Sources/Semver",
      "product_dependencies" : [
        "SemverBridge"
      ],
      "product_memberships" : [
        "Semver"
      ],
      "sources" : [
        "Semver.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/6] Compiling SemverBridge semver-swift-bridge.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/6] Emitting module SemverBridge
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
[6/6] Compiling SemverBridge SwiftBridgeCore.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/4] Compiling SemverBridge semver-swift-bridge.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module SemverBridge
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
[4/4] Compiling SemverBridge SwiftBridgeCore.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SemverBridge/Sources/SemverBridge/SwiftBridgeCore.swift:1:8: error: no such module 'Framework'
  1 | import Framework
    |        `- error: no such module 'Framework'
  2 | import Foundation
  3 |
BUILD FAILURE 6.1 macosSpm