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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 TLS with Swift 6.0 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vapor-community/tls.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vapor-community/tls
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at cfd8cc0 remove extraneous print
Cloned https://github.com/vapor-community/tls.git
Revision (git rev-parse @):
cfd8cc0f06841ee15469c5fc98131e47511f8e94
SUCCESS checkout https://github.com/vapor-community/tls.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/vapor-community/tls.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Fetching https://github.com/vapor/sockets.git
Fetching https://github.com/vapor/core.git
Fetching https://github.com/vapor/async.git
[1/3312] Fetching sockets
[101/5635] Fetching sockets, async
[390/25778] Fetching sockets, async, core
Fetched https://github.com/vapor/async.git from cache (1.08s)
Fetched https://github.com/vapor/sockets.git from cache (1.08s)
[2418/20143] Fetching core
Fetched https://github.com/vapor/core.git from cache (1.79s)
Computing version for https://github.com/vapor/sockets.git
Computed https://github.com/vapor/sockets.git at 3.0.0-rc.1 (0.69s)
Computing version for https://github.com/vapor/async.git
Computed https://github.com/vapor/async.git at 1.0.0-rc.1.1 (0.64s)
Computing version for https://github.com/vapor/core.git
Computed https://github.com/vapor/core.git at 3.10.1 (0.67s)
Fetching https://github.com/apple/swift-nio.git
[1/65607] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (3.79s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (0.72s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git from cache (0.63s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.66s)
Creating working copy for https://github.com/vapor/core.git
Working copy of https://github.com/vapor/core.git resolved at 3.10.1
Creating working copy for https://github.com/vapor/sockets.git
Working copy of https://github.com/vapor/sockets.git resolved at 3.0.0-rc.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/vapor/async.git
Working copy of https://github.com/vapor/async.git resolved at 1.0.0-rc.1.1
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
error: multiple packages ('async' (from 'https://github.com/vapor/async.git'), 'core' (from 'https://github.com/vapor/core.git')) declare products with a conflicting name: 'Async’; product names need to be unique across the package graph
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.