Swift Package Index

Build Information

Failed to build ObservationKit, reference main (fd181c), with Swift 6.1 for Wasm on 19 Mar 2026 06:45:49 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: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Archdoog/ObservationsKit.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/Archdoog/ObservationsKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fd181cb Merge pull request #4 from Archdoog/fix/readme-cleanup
Cloned https://github.com/Archdoog/ObservationsKit.git
Revision (git rev-parse @):
fd181cbbcee853bbd07b226aa64174edf0ecc745
SUCCESS checkout https://github.com/Archdoog/ObservationsKit.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Archdoog/ObservationsKit.git
https://github.com/Archdoog/ObservationsKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-async-algorithms",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-async-algorithms.git"
    },
    {
      "identity" : "swift-concurrency-extras",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-concurrency-extras.git"
    },
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics.git"
    }
  ],
  "manifest_display_name" : "ObservationKit",
  "name" : "ObservationKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "17.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "tvos",
      "version" : "17.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "watchos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "ObservationTesting",
      "targets" : [
        "ObservationTesting"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "ObservationShim",
      "targets" : [
        "ObservationShim"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "ObservationTestingTests",
      "module_type" : "SwiftTarget",
      "name" : "ObservationTestingTests",
      "path" : "Tests/ObservationTestingTests",
      "product_dependencies" : [
        "Numerics"
      ],
      "sources" : [
        "TestFulfillmentOfConditions.swift",
        "TestFulfillmentOfValues.swift",
        "TestFulfillmentOfValuesByArray.swift"
      ],
      "target_dependencies" : [
        "ObservationTesting"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ObservationTesting",
      "module_type" : "SwiftTarget",
      "name" : "ObservationTesting",
      "path" : "Sources/ObservationTesting",
      "product_dependencies" : [
        "AsyncAlgorithms",
        "ConcurrencyExtras"
      ],
      "product_memberships" : [
        "ObservationTesting"
      ],
      "sources" : [
        "FulfillmentError.swift",
        "FulfillmentOfCondition.swift",
        "FulfillmentOfValues.swift",
        "FulfillmentWorker.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObservationShimTests",
      "module_type" : "SwiftTarget",
      "name" : "ObservationShimTests",
      "path" : "Tests/ObservationShimTests",
      "sources" : [
        "TestObservationShim.swift"
      ],
      "target_dependencies" : [
        "ObservationShim",
        "ObservationTesting"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ObservationShim",
      "module_type" : "SwiftTarget",
      "name" : "ObservationShim",
      "path" : "Sources/ObservationShim",
      "product_memberships" : [
        "ObservationShim"
      ],
      "sources" : [
        "ManagedCriticalState.swift",
        "ObservationsShim.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
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 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7b4552feb759c014e60bb7d16019351f72ce4b9f19dbbaa081e1f5551c90672
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
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:a7b4552feb759c014e60bb7d16019351f72ce4b9f19dbbaa081e1f5551c90672
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 wasm