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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 1.0.0 (5f7dc4), with Swift 5.9 for Linux on 10 Oct 2024 23:02:14 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-5.9-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.55.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DimaRU/BuildEnvironment.git
Reference: 1.0.0
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
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at 5f7dc4a Update README.md
Cloned https://github.com/DimaRU/BuildEnvironment.git
Revision (git rev-parse @):
5f7dc4a7f9bde8414764b8a342b091b2e987e674
SUCCESS checkout https://github.com/DimaRU/BuildEnvironment.git at 1.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.9
Building package at path:  $PWD
https://github.com/DimaRU/BuildEnvironment.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-5.9-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-5.9-latest: Pulling from finestructure/spi-images
Digest: sha256:9f9025114c0603ac6ea1951d396f9bc1cd3a7c1b5aa8548b3ea2615c8c5705ce
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-5.9-latest
Building for debugging...
[1/7] Compiling BuildEnvGenerator stderror.swift
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:10:23: error: unknown attribute 'retroactive'
extension FileHandle: @retroactive TextOutputStream {
                      ^
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:10:1: error: inheritance from non-protocol type 'any TextOutputStream'
extension FileHandle: @retroactive TextOutputStream {
^
[2/7] Compiling BuildEnvGenerator GetArgument.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/7] Compiling BuildEnvGenerator DictionaryExtensions.swift
[4/7] Compiling BuildEnvGenerator BuildEnvGenerator.swift
[5/7] Emitting module BuildEnvGenerator
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:10:23: error: unknown attribute 'retroactive'
extension FileHandle: @retroactive TextOutputStream {
                      ^
/host/spi-builder-workspace/Sources/BuildEnvGenerator/stderror.swift:10:1: error: inheritance from non-protocol type 'any TextOutputStream'
extension FileHandle: @retroactive TextOutputStream {
^
error: fatalError
BUILD FAILURE 5.9 linux