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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 SLChat, reference 0.1.1 (41c204), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 18:33:21 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shial4/slchat.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shial4/slchat
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 41c2048 [Swift 4] substring
Cloned https://github.com/shial4/slchat.git
Revision (git rev-parse @):
41c2048a8c813060b3c8053c9ea65b81fe931892
SUCCESS checkout https://github.com/shial4/slchat.git at 0.1.1
Fetching https://github.com/IBM-Swift/LoggerAPI.git
Fetching https://github.com/IBM-Swift/CCurl.git
Fetching https://github.com/IBM-Swift/Kitura-net.git
Fetching https://github.com/IBM-Swift/BlueCryptor.git
Fetching https://github.com/IBM-Swift/BlueSocket.git
Fetching https://github.com/IBM-Swift/Kitura-WebSocket
Fetching https://github.com/IBM-Swift/CommonCrypto.git
[1/771] Fetching loggerapi
[40/803] Fetching loggerapi, commoncrypto
[72/987] Fetching loggerapi, commoncrypto, ccurl
[135/2823] Fetching loggerapi, commoncrypto, ccurl, kitura-websocket
[422/4475] Fetching loggerapi, commoncrypto, ccurl, kitura-websocket, bluecryptor
[1479/7417] Fetching loggerapi, commoncrypto, ccurl, kitura-websocket, bluecryptor, bluesocket
[2170/16961] Fetching loggerapi, commoncrypto, ccurl, kitura-websocket, bluecryptor, bluesocket, kitura-net
Fetched https://github.com/IBM-Swift/CCurl.git from cache (0.98s)
Fetching https://github.com/IBM-Swift/BlueSSLService.git
[4142/16777] Fetching loggerapi, commoncrypto, kitura-websocket, bluecryptor, bluesocket, kitura-net
Fetched https://github.com/IBM-Swift/LoggerAPI.git from cache (1.14s)
[6314/16006] Fetching commoncrypto, kitura-websocket, bluecryptor, bluesocket, kitura-net
Fetched https://github.com/IBM-Swift/Kitura-WebSocket from cache (1.28s)
Computing version for https://github.com/IBM-Swift/Kitura-WebSocket
[6726/14170] Fetching commoncrypto, bluecryptor, bluesocket, kitura-net
error: the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/shial4/slchat.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Updating https://github.com/IBM-Swift/Kitura-WebSocket
Updated https://github.com/IBM-Swift/Kitura-WebSocket (0.46s)
Computing version for https://github.com/IBM-Swift/Kitura-WebSocket
error: the Swift tools version specification is missing a label; consider inserting 'swift-tools-version:' between the comment marker and the version specifier
BUILD FAILURE 6.0 macosSpm