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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 Flynn, reference master (2aa347), with Swift 6.0 for Linux on 5 Nov 2024 19:51:06 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KittyMac/flynn.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/KittyMac/flynn
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2aa347f update docker buildx
Cloned https://github.com/KittyMac/flynn.git
Revision (git rev-parse @):
2aa347f7d364113b76099ab945a89a4d5758a2cc
SUCCESS checkout https://github.com/KittyMac/flynn.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/KittyMac/flynn.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[1/1] Compiling plugin FlynnPlugin
Building for debugging...
/host/spi-builder-workspace/.build/artifacts/spi-builder-workspace/FlynnPluginTool-focal-592/FlynnPluginTool-focal-592.artifactbundle/FlynnPluginTool-amd64/bin/FlynnPluginTool: symbol lookup error: /host/spi-builder-workspace/.build/artifacts/spi-builder-workspace/FlynnPluginTool-focal-592/FlynnPluginTool-focal-592.artifactbundle/FlynnPluginTool-amd64/bin/FlynnPluginTool: undefined symbol: $s10Foundation4DateVSEAAMc
[1/20] Flynn Plugin - generating behaviours...
[1/20] Compiling Pony messageq.c
[1/20] Compiling Pony threads-windows.c
[1/20] Compiling Pony memory.c
[1/20] Compiling Pony cpu_windows.c
[1/20] Compiling Pony threads-posix.m
[1/20] Compiling Pony mpmcq.c
[1/20] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.0 linux