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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 Hylo, reference main (095194), with Swift 5.9 for Linux on 29 Apr 2025 12:43:28 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:hylo-5.9-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hylo-lang/hylo.git
Reference: main
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/hylo-lang/hylo
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0951941 Merge pull request #1682 from hylo-lang/fix-1679
Submodule path 'SPMBuildToolSupport': checked out '7c0a5c10ccacf066163c36e2cfcba65c7a21e956'
Submodule 'SPMBuildToolSupport' (https://github.com/dabrahams/SPMBuildToolSupport.git) registered for path 'SPMBuildToolSupport'
Cloning into '/host/spi-builder-workspace/SPMBuildToolSupport'...
Cloned https://github.com/hylo-lang/hylo.git
Revision (git rev-parse @):
0951941a8130322d3130f412e03ed47d38e386e0
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/hylo.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.9
Building package at path:  $PWD
https://github.com/hylo-lang/hylo.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:hylo-5.9-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
hylo-5.9-latest: Pulling from finestructure/spi-images
8f84a9f2102e: Already exists
6eefca8fdaf3: Already exists
9c857ba5dc62: Already exists
7f7c83cdebe1: Already exists
ca8de8a349af: Already exists
efdb6a6bde4e: Already exists
150c8f9542b8: Pulling fs layer
85232e31fb60: Pulling fs layer
468c71e3bc93: Pulling fs layer
85232e31fb60: Verifying Checksum
85232e31fb60: Download complete
468c71e3bc93: Verifying Checksum
468c71e3bc93: Download complete
150c8f9542b8: Verifying Checksum
150c8f9542b8: Download complete
150c8f9542b8: Pull complete
85232e31fb60: Pull complete
468c71e3bc93: Pull complete
Digest: sha256:555240d7827c3bdd1259e44abab2f3b6a0c040446601cabe2b4de312892c446e
Status: Downloaded newer image for registry.gitlab.com/finestructure/spi-images:hylo-5.9-latest
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 5.10.0 but the installed version is 5.9.2
BUILD FAILURE 5.9 linux