Swift Package Index

Build Information

Failed to build ucf, reference 0.3.0 (c5bba8), with Swift 6.1 for Wasm on 22 Apr 2026 01:00:09 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rarestype/ucf.git
Reference: 0.3.0
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/rarestype/ucf
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at c5bba8f Merge pull request #5 from rarestype/adopt-typed-throws-internally
Cloned https://github.com/rarestype/ucf.git
Revision (git rev-parse @):
c5bba8f1adda82761fad81d980e2578e29881cb1
SUCCESS checkout https://github.com/rarestype/ucf.git at 0.3.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/rarestype/ucf.git
https://github.com/rarestype/ucf.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/rarestype/gram
Fetching https://github.com/ordo-one/dollup
[1/1197] Fetching gram
[109/1220] Fetching gram, dollup
Fetched https://github.com/ordo-one/dollup from cache (0.52s)
Fetched https://github.com/rarestype/gram from cache (0.53s)
Computing version for https://github.com/rarestype/gram
Computed https://github.com/rarestype/gram at 2.0.0 (1.78s)
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-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Updating https://github.com/rarestype/gram
Updating https://github.com/ordo-one/dollup
Updated https://github.com/rarestype/gram (0.37s)
Updated https://github.com/ordo-one/dollup (0.24s)
Computing version for https://github.com/rarestype/gram
Computed https://github.com/rarestype/gram at 2.0.0 (1.79s)
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 wasm