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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 BuildEnvironment, reference master (be3551), with Swift 6.0 for Linux on 2 Dec 2024 02:12:01 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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.58.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DimaRU/BuildEnvironment.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/DimaRU/BuildEnvironment
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at be3551b Fix README issues
Cloned https://github.com/DimaRU/BuildEnvironment.git
Revision (git rev-parse @):
be3551bd2b2d63e72426c4693c25f6f36108da63
SUCCESS checkout https://github.com/DimaRU/BuildEnvironment.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/DimaRU/BuildEnvironment.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 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
Building for debugging...
[0/5] Write sources
[1/5] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling BuildEnvGenerator stderror.swift
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:8:5: warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 6 | import Foundation
 7 |
 8 | var stderror = FileHandle.standardError
   |     |- warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'stderror' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'stderror' with '@MainActor' if property should only be accessed from the main actor
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 9 |
10 | extension FileHandle: @retroactive TextOutputStream {
[4/10] Compiling BuildEnvGenerator BuildEnvGenerator.swift
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:8:5: warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 6 | import Foundation
 7 |
 8 | var stderror = FileHandle.standardError
   |     |- warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'stderror' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'stderror' with '@MainActor' if property should only be accessed from the main actor
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 9 |
10 | extension FileHandle: @retroactive TextOutputStream {
[5/10] Emitting module BuildEnvGenerator
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:8:5: warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 6 | import Foundation
 7 |
 8 | var stderror = FileHandle.standardError
   |     |- warning: var 'stderror' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'stderror' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'stderror' with '@MainActor' if property should only be accessed from the main actor
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 9 |
10 | extension FileHandle: @retroactive TextOutputStream {
[6/10] Compiling BuildEnvGenerator DictionaryExtensions.swift
[7/10] Compiling BuildEnvGenerator GetArgument.swift
[8/11] Wrapping AST for BuildEnvGenerator for debugging
[9/11] Write Objects.LinkFileList
[10/11] Linking BuildEnvGenerator-tool
Build of product 'BuildEnvGenerator' complete! (11.44s)
[1/1] Compiling plugin BuildEnvPlugin
Building for debugging...
[1/11] Write sources
Error in line 12 of /host/spi-builder-workspace/buildenv.config: no environment variable USER
[2/11] Generating BuildEnvPlugin
[2/11] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.0 linux