Build Information
Failed to build swift-mongodb, reference master (965542), with Swift 6.1 for Linux on 8 Oct 2026 20:33:21 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rarestype/swift-mongodb.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-mongodb
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 9655426 [autosync]
Cloned https://github.com/rarestype/swift-mongodb.git
Revision (git rev-parse @):
96554262bf4f76d91c68bc4842d818b73a565b14
SUCCESS checkout https://github.com/rarestype/swift-mongodb.git at master
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/rarestype/swift-mongodb.git
https://github.com/rarestype/swift-mongodb.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-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
basic-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:13a529f31207afe6597b18f20995fc2db944100da935819188c653038756cb1b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
Fetching https://github.com/rarestype/h
Fetching https://github.com/rarestype/u
Fetching https://github.com/rarestype/gram
Fetching https://github.com/apple/swift-collections
Fetching https://github.com/apple/swift-nio-ssl
Fetching https://github.com/apple/swift-nio
[1/631] Fetching u
[632/29176] Fetching u, swift-collections
[29177/30516] Fetching u, swift-collections, h
Fetched https://github.com/rarestype/h from cache (1.54s)
Fetching https://github.com/rarestype/swift-bson
[1/1332] Fetching gram
Fetched https://github.com/rarestype/gram from cache (2.00s)
Fetching https://github.com/ordo-one/dollup
[1/2006] Fetching swift-bson
Fetched https://github.com/rarestype/swift-bson from cache (0.61s)
[1/86361] Fetching swift-nio
[2592/86408] Fetching swift-nio, dollup
Fetched https://github.com/ordo-one/dollup from cache (0.36s)
[4319/86361] Fetching swift-nio
[56136/103217] Fetching swift-nio, swift-nio-ssl
Fetched https://github.com/rarestype/u from cache (5.30s)
Fetched https://github.com/apple/swift-collections from cache (5.31s)
Fetched https://github.com/apple/swift-nio-ssl from cache (5.31s)
Fetched https://github.com/apple/swift-nio from cache (5.34s)
Computing version for https://github.com/rarestype/u
error: Dependencies could not be resolved because 'u' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'u' 1.1.0..<2.0.0.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:13a529f31207afe6597b18f20995fc2db944100da935819188c653038756cb1b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.1-latest
Updating https://github.com/rarestype/gram
Updating https://github.com/apple/swift-collections
Updating https://github.com/apple/swift-nio-ssl
Updating https://github.com/apple/swift-nio
Updating https://github.com/rarestype/h
Updating https://github.com/rarestype/u
Updated https://github.com/apple/swift-collections (0.25s)
Updated https://github.com/rarestype/gram (0.25s)
Updating https://github.com/rarestype/swift-bson
Updating https://github.com/ordo-one/dollup
Updated https://github.com/apple/swift-nio-ssl (0.46s)
Updated https://github.com/rarestype/swift-bson (0.26s)
Updated https://github.com/ordo-one/dollup (0.26s)
Updated https://github.com/rarestype/h (1.08s)
Updated https://github.com/rarestype/u (1.08s)
Updated https://github.com/apple/swift-nio (1.08s)
Computing version for https://github.com/rarestype/u
error: Dependencies could not be resolved because 'u' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'u' 1.1.0..<2.0.0.
BUILD FAILURE 6.1 linux