Swift Package Index

Build Information

Successful build of SwiftAnnouncements, reference main (12184f), with Swift 6.4 for macOS (SPM) on 19 Sep 2026 04:16:23 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/grype/SwiftAnnouncements.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/grype/SwiftAnnouncements
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 12184fc Update wording in README
Cloned https://github.com/grype/SwiftAnnouncements.git
Revision (git rev-parse @):
12184fc4566b29fa513913bc5cf0cf23f937bd98
SUCCESS checkout https://github.com/grype/SwiftAnnouncements.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/grype/SwiftAnnouncements.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
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[70 / 81] SwiftAnnouncements
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[82 / 87] SwiftAnnouncements
Build complete! (7.60 sec)
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Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
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Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
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Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/grype/RWLock-Swift
Working copy of https://github.com/grype/RWLock-Swift resolved at 1.0.0
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAnnouncements/Subscription.swift:55:25: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
14 |  I capture a type of announcement, an action block to perform in response to correlated announcement, and optionally a subscriber object. I am used by an `Announcer` to process announcements.
15 |  */
16 | public class Subscription<T: Announceable> {
   |                           `- note: 'T' previously declared here
17 |
18 |     public typealias Action = (T, Announcer)->Void
   :
53 |     }
54 |
55 |     public func handles<T:Announceable>(_ anAnnouncement: T) -> Bool {
   |                         `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
56 |         return type(of: anAnnouncement).handles(anAnnouncement)
57 |     }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftAnnouncements/Subscription.swift:55:25: warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
14 |  I capture a type of announcement, an action block to perform in response to correlated announcement, and optionally a subscriber object. I am used by an `Announcer` to process announcements.
15 |  */
16 | public class Subscription<T: Announceable> {
   |                           `- note: 'T' previously declared here
17 |
18 |     public typealias Action = (T, Announcer)->Void
   :
53 |     }
54 |
55 |     public func handles<T:Announceable>(_ anAnnouncement: T) -> Bool {
   |                         `- warning: generic parameter 'T' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
56 |         return type(of: anAnnouncement).handles(anAnnouncement)
57 |     }
Build complete.
{
  "dependencies" : [
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "9.2.0",
            "upper_bound" : "10.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble"
    },
    {
      "identity" : "rwlock-swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/grype/RWLock-Swift"
    }
  ],
  "manifest_display_name" : "SwiftAnnouncements",
  "name" : "SwiftAnnouncements",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftAnnouncements",
      "targets" : [
        "SwiftAnnouncements"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftAnnouncementsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftAnnouncementsTests",
      "path" : "Tests/SwiftAnnouncementsTests",
      "product_dependencies" : [
        "Nimble"
      ],
      "sources" : [
        "AnnouncerTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "SwiftAnnouncements"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftAnnouncements",
      "module_type" : "SwiftTarget",
      "name" : "SwiftAnnouncements",
      "path" : "Sources/SwiftAnnouncements",
      "product_dependencies" : [
        "RWLock"
      ],
      "product_memberships" : [
        "SwiftAnnouncements"
      ],
      "sources" : [
        "Announceable.swift",
        "Announcer.swift",
        "AnySubscription.swift",
        "Registry.swift",
        "Subscription.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.