Ready for Swift 6 false negatives

[finestructure]

The APNSwift package is reporting 1 Swift 6 error via Sema.NumSwift6Errors while the package itself does not show any concurrency warnings during compilation.

Test case:

git clone https://github.com/swift-server-community/APNSwift && cd APNSwift
git checkout 36fec7
mkdir .stats
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.3.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build log:

~/D/APNSwift on HEAD (36fec7e)
❯ env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.3.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Fetching https://github.com/apple/swift-nio-http2.git from cache
Fetching https://github.com/apple/swift-nio-ssl.git from cache
Fetching https://github.com/swift-server/async-http-client.git from cache
Fetching https://github.com/apple/swift-crypto.git from cache
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/apple/swift-docc-plugin from cache
Fetching https://github.com/apple/swift-nio.git from cache
Fetched https://github.com/apple/swift-log.git from cache (1.15s)
Fetched https://github.com/apple/swift-docc-plugin from cache (1.21s)
Fetched https://github.com/apple/swift-nio-http2.git from cache (1.21s)
Fetched https://github.com/swift-server/async-http-client.git from cache (1.34s)
Fetched https://github.com/apple/swift-crypto.git from cache (1.47s)
Fetched https://github.com/apple/swift-nio-ssl.git from cache (1.48s)
Fetched https://github.com/apple/swift-nio.git from cache (1.54s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.3.0 (0.02s)
Fetching https://github.com/apple/swift-docc-symbolkit from cache
Fetched https://github.com/apple/swift-docc-symbolkit from cache (1.40s)
Computing version for https://github.com/apple/swift-docc-symbolkit
Computed https://github.com/apple/swift-docc-symbolkit at 1.0.0 (0.02s)
Computing version for https://github.com/swift-server/async-http-client.git
Computed https://github.com/swift-server/async-http-client.git at 1.21.2 (0.02s)
Fetching https://github.com/apple/swift-atomics.git from cache
Fetching https://github.com/apple/swift-nio-transport-services.git from cache
Fetching https://github.com/apple/swift-algorithms from cache
Fetching https://github.com/apple/swift-nio-extras.git from cache
Fetched https://github.com/apple/swift-nio-transport-services.git from cache (1.02s)
Fetched https://github.com/apple/swift-atomics.git from cache (1.03s)
Fetched https://github.com/apple/swift-nio-extras.git from cache (1.06s)
Fetched https://github.com/apple/swift-algorithms from cache (1.09s)
Computing version for https://github.com/apple/swift-algorithms
Computed https://github.com/apple/swift-algorithms at 1.2.0 (0.02s)
Fetching https://github.com/apple/swift-numerics.git from cache
Fetched https://github.com/apple/swift-numerics.git from cache (1.01s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.0.2 (0.02s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (0.02s)
Computing version for https://github.com/apple/swift-nio-transport-services.git
Computed https://github.com/apple/swift-nio-transport-services.git at 1.21.0 (0.01s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.68.0 (0.02s)
Fetching https://github.com/apple/swift-collections.git from cache
Fetching https://github.com/apple/swift-system.git from cache
Fetched https://github.com/apple/swift-system.git from cache (0.96s)
Fetched https://github.com/apple/swift-collections.git from cache (1.02s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.3.1 (0.01s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.27.0 (0.02s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.1 (0.01s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.2 (0.01s)
Computing version for https://github.com/apple/swift-nio-extras.git
Computed https://github.com/apple/swift-nio-extras.git at 1.23.0 (0.01s)
Fetching https://github.com/apple/swift-http-types from cache
Fetched https://github.com/apple/swift-http-types from cache (0.74s)
Computing version for https://github.com/apple/swift-http-types
Computed https://github.com/apple/swift-http-types at 1.3.0 (0.01s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.33.0 (0.02s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 3.5.2 (0.02s)
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.27.0
warning: /Users/sas/Downloads/APNSwift/.build/repositories/swift-numerics-d936ec6c is not valid git repository for 'https://github.com/apple/swift-numerics.git', will fetch again.
Fetching https://github.com/apple/swift-numerics.git from cache
Fetched https://github.com/apple/swift-numerics.git from cache (0.06s)
warning: /Users/sas/Downloads/APNSwift/.build/repositories/swift-numerics-d936ec6c is not valid git repository for 'https://github.com/apple/swift-numerics.git', will fetch again.
Fetching https://github.com/apple/swift-numerics.git from cache
Fetched https://github.com/apple/swift-numerics.git from cache (0.06s)
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.2
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.5.2
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.3.1
warning: /Users/sas/Downloads/APNSwift/.build/repositories/swift-algorithms-bf5a01cd is not valid git repository for 'https://github.com/apple/swift-algorithms', will fetch again.
Fetching https://github.com/apple/swift-algorithms from cache
Fetched https://github.com/apple/swift-algorithms from cache (0.09s)
warning: /Users/sas/Downloads/APNSwift/.build/repositories/swift-algorithms-bf5a01cd is not valid git repository for 'https://github.com/apple/swift-algorithms', will fetch again.
Fetching https://github.com/apple/swift-algorithms from cache
Fetched https://github.com/apple/swift-algorithms from cache (0.08s)
Creating working copy for https://github.com/apple/swift-algorithms
Working copy of https://github.com/apple/swift-algorithms resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.68.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.1
Creating working copy for https://github.com/swift-server/async-http-client.git
Working copy of https://github.com/swift-server/async-http-client.git resolved at 1.21.2
Creating working copy for https://github.com/apple/swift-nio-http2.git
Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.33.0
Creating working copy for https://github.com/apple/swift-nio-transport-services.git
Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.21.0
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.23.0
Creating working copy for https://github.com/apple/swift-docc-symbolkit
Working copy of https://github.com/apple/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.2
Creating working copy for https://github.com/apple/swift-http-types
Working copy of https://github.com/apple/swift-http-types resolved at 1.3.0
warning: 'swift-algorithms': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/sas/Downloads/APNSwift/.build/checkouts/swift-algorithms/Sources/Algorithms/Documentation.docc
warning: 'swift-nio-ssl': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/sas/Downloads/APNSwift/.build/checkouts/swift-nio-ssl/Sources/NIOSSL/PrivacyInfo.xcprivacy
Building for debugging...
[1115/1115] Applying APNSExample
Build complete! (235.40s)

Error count:

❯ grep Sema.NumSwift6Errors .stats/stats-*-swift-frontend-APNS-all-arm64_apple_macosx13.0-swiftmodule-Onone-*.json
	"Sema.NumSwift6Errors": 1,

[finestructure]

Another package that's affected is https://github.com/vapor/jwt-kit (Xcode 16b6)

[Joannis]

Hummingbird 2 seems to be affected as well

[finestructure]

Likely also https://swiftpackageindex.com/groue/GRDB.swift