Build Information
Failed to build swift-io, reference master (6f9f5b), with Swift 6.1 for Linux on 29 Oct 2026 15:37:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 5.1.4
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/rarestype/swift-io.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/rarestype/swift-io
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 6f9f5ba [autosync]
Cloned https://github.com/rarestype/swift-io.git
Revision (git rev-parse @):
6f9f5ba101cf8e5aa315aedf0e4285e2aaf27d0b
SUCCESS checkout https://github.com/rarestype/swift-io.git at master
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Build
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Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/rarestype/swift-io.git
https://github.com/rarestype/swift-io.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.1-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
linux-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:b6bfb4c5da2c5a0e111d7eb0c087cb4f5887cce9a34b7779faa557952c747cfc
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest
Fetching https://github.com/ordo-one/dollup
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-system
[1/59] Fetching dollup
Fetched https://github.com/ordo-one/dollup from cache (0.44s)
[1/19313] Fetching swift-argument-parser
[581/26707] Fetching swift-argument-parser, swift-system
Fetched https://github.com/apple/swift-system from cache (0.83s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.84s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (1.08s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.28s)
Computing version for https://github.com/ordo-one/dollup
error: Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
linux-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:b6bfb4c5da2c5a0e111d7eb0c087cb4f5887cce9a34b7779faa557952c747cfc
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.1-latest
Updating https://github.com/ordo-one/dollup
Updating https://github.com/apple/swift-system
Updating https://github.com/apple/swift-argument-parser
Updated https://github.com/apple/swift-argument-parser (0.29s)
Updated https://github.com/apple/swift-system (0.29s)
Updated https://github.com/ordo-one/dollup (0.29s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.54s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.27s)
Computing version for https://github.com/ordo-one/dollup
error: Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
BUILD FAILURE 6.1 linux