Swift Package IndexBuild Information
Successful build of SwiftAnnouncements, reference main (12184f), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 15:17:51 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
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
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
Fetching https://github.com/Quick/Nimble
Fetching https://github.com/grype/RWLock-Swift
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/20] Fetching rwlock-swift
[21/480] Fetching rwlock-swift, cwlcatchexception
[49/1737] Fetching rwlock-swift, cwlcatchexception, cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (0.89s)
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.89s)
[1/19823] Fetching nimble
Fetched https://github.com/grype/RWLock-Swift from cache (2.79s)
Fetched https://github.com/Quick/Nimble from cache (2.79s)
Computing version for https://github.com/grype/RWLock-Swift
Computed https://github.com/grype/RWLock-Swift at 1.0.0 (3.47s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 9.2.1 (0.67s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.1.2 (0.71s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.1.2 (0.75s)
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.1.2
Creating working copy for https://github.com/grype/RWLock-Swift
Working copy of https://github.com/grype/RWLock-Swift resolved at 1.0.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.1.2
========================================
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",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swiftannouncements",
"name": "SwiftAnnouncements",
"url": "https://github.com/grype/SwiftAnnouncements.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftAnnouncements",
"traits": [
"default"
],
"dependencies": [
{
"identity": "rwlock-swift",
"name": "RWLock",
"url": "https://github.com/grype/RWLock-Swift",
"version": "1.0.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/RWLock-Swift",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/grype/SwiftAnnouncements.git
[1/180] Fetching swiftannouncements
Fetched https://github.com/grype/SwiftAnnouncements.git from cache (0.62s)
Fetching https://github.com/grype/RWLock-Swift from cache
Fetched https://github.com/grype/RWLock-Swift from cache (0.48s)
Computing version for https://github.com/grype/RWLock-Swift
Computed https://github.com/grype/RWLock-Swift at 1.0.0 (0.55s)
Creating working copy for https://github.com/grype/SwiftAnnouncements.git
Working copy of https://github.com/grype/SwiftAnnouncements.git resolved at main (12184fc)
Creating working copy for https://github.com/grype/RWLock-Swift
Working copy of https://github.com/grype/RWLock-Swift resolved at 1.0.0
warning: '.resolve-product-dependencies': dependency 'swiftannouncements' is not used by any target
Found 1 product dependencies
- RWLock
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/grype/SwiftAnnouncements.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
[4/6] Emitting module RWLock
[5/6] Compiling RWLock RWLockedPropertyWrapper.swift
[6/6] Compiling RWLock RWLock.swift
[7/12] Emitting module SwiftAnnouncements
/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 | }
[8/12] Compiling SwiftAnnouncements Announceable.swift
[9/12] Compiling SwiftAnnouncements Announcer.swift
[10/12] Compiling SwiftAnnouncements AnySubscription.swift
[11/12] Compiling SwiftAnnouncements Registry.swift
[12/12] Compiling SwiftAnnouncements Subscription.swift
/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! (6.22s)
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.