Swift Package Index

Build Information

Failed to build Deferred, reference develop (c82b9e), with Swift 6.1 for Wasm on 28 May 2025 09:14:50 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bignerdranch/Deferred.git
Reference: develop
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/bignerdranch/Deferred
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at c82b9ef Add concurrency migration guide
Cloned https://github.com/bignerdranch/Deferred.git
Revision (git rev-parse @):
c82b9ef73132ac88a768b9e2fdbab7765346c61d
SUCCESS checkout https://github.com/bignerdranch/Deferred.git at develop
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bignerdranch/Deferred.git
https://github.com/bignerdranch/Deferred.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Deferred",
  "name" : "Deferred",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Deferred",
      "targets" : [
        "Deferred",
        "Task"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TaskTests",
      "module_type" : "SwiftTarget",
      "name" : "TaskTests",
      "path" : "Tests/TaskTests",
      "sources" : [
        "AllTestsCommon.swift",
        "TaskAsyncTests.swift",
        "TaskCompositionTests.swift",
        "TaskComprehensiveTests.swift",
        "TaskProgressTests.swift",
        "TaskProtocolTests.swift",
        "TaskResultTests.swift",
        "TaskTests.swift"
      ],
      "target_dependencies" : [
        "Deferred",
        "Task"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Task",
      "module_type" : "SwiftTarget",
      "name" : "Task",
      "path" : "Sources/Task",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Either.swift",
        "ExistentialTask.swift",
        "Progress+ExplicitComposition.swift",
        "Progress+Future.swift",
        "Task.swift",
        "TaskAndThen.swift",
        "TaskAsync.swift",
        "TaskChain.swift",
        "TaskCollections.swift",
        "TaskComposition.swift",
        "TaskEveryMap.swift",
        "TaskFallback.swift",
        "TaskIgnore.swift",
        "TaskMap.swift",
        "TaskPromise.swift",
        "TaskRecovery.swift",
        "TaskResult.swift",
        "TaskUpon.swift"
      ],
      "target_dependencies" : [
        "Deferred",
        "CAtomics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "DeferredTests",
      "module_type" : "SwiftTarget",
      "name" : "DeferredTests",
      "path" : "Tests/DeferredTests",
      "sources" : [
        "AllTestsCommon.swift",
        "DeferredTests.swift",
        "ExistentialFutureTests.swift",
        "FilledDeferredTests.swift",
        "FutureAsyncTests.swift",
        "FutureCustomExecutorTests.swift",
        "FutureIgnoreTests.swift",
        "FutureTests.swift",
        "ObjectDeferredTests.swift",
        "PerformanceTests.swift",
        "ProtectedTests.swift",
        "SwiftBugTests.swift"
      ],
      "target_dependencies" : [
        "Deferred"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Deferred",
      "module_type" : "SwiftTarget",
      "name" : "Deferred",
      "path" : "Sources/Deferred",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Atomics.swift",
        "Deferred.swift",
        "DeferredQueue.swift",
        "DeferredVariant.swift",
        "Executor.swift",
        "ExistentialFuture.swift",
        "Future.swift",
        "FutureAndThen.swift",
        "FutureAsync.swift",
        "FutureCollections.swift",
        "FutureComposition.swift",
        "FutureEveryMap.swift",
        "FutureIgnore.swift",
        "FutureMap.swift",
        "FuturePeek.swift",
        "FutureUpon.swift",
        "Locking.swift",
        "Promise.swift",
        "Protected.swift"
      ],
      "target_dependencies" : [
        "CAtomics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CAtomics",
      "module_type" : "ClangTarget",
      "name" : "CAtomics",
      "path" : "Sources/CAtomics",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Empty.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/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 finestructure/spi-images
Digest: sha256:7e37457820e5f17452a98118754f345f2619722c485f2db0d8b666940a83afd2
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Building for debugging...
[0/4] Write sources
[2/4] Compiling CAtomics Empty.c
[3/4] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/22] Emitting module Deferred
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[6/24] Compiling Deferred Promise.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[7/24] Compiling Deferred Protected.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[8/24] Compiling Deferred FutureEveryMap.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[9/24] Compiling Deferred FutureIgnore.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[10/24] Compiling Deferred Future.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[11/24] Compiling Deferred FutureAndThen.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[12/24] Compiling Deferred FutureAsync.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[13/24] Compiling Deferred FutureUpon.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[14/24] Compiling Deferred Locking.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[15/24] Compiling Deferred FutureMap.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[16/24] Compiling Deferred FuturePeek.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[17/24] Compiling Deferred Atomics.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[18/24] Compiling Deferred Deferred.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[19/24] Compiling Deferred DeferredQueue.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[20/24] Compiling Deferred FutureCollections.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[21/24] Compiling Deferred FutureComposition.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[22/24] Compiling Deferred DeferredVariant.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[23/24] Compiling Deferred Executor.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[24/24] Compiling Deferred ExistentialFuture.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:7e37457820e5f17452a98118754f345f2619722c485f2db0d8b666940a83afd2
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/19] Compiling Deferred FutureCollections.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[3/19] Compiling Deferred FutureComposition.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[4/21] Compiling Deferred Promise.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[5/21] Compiling Deferred Protected.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/21] Compiling Deferred FutureMap.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[7/21] Compiling Deferred FuturePeek.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[8/21] Compiling Deferred FutureEveryMap.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[9/21] Compiling Deferred FutureIgnore.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[10/21] Emitting module Deferred
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[11/21] Compiling Deferred Future.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[12/21] Compiling Deferred FutureAndThen.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[13/21] Compiling Deferred FutureAsync.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[14/21] Compiling Deferred Atomics.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[15/21] Compiling Deferred Deferred.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[16/21] Compiling Deferred DeferredQueue.swift
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 17 |
 18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 19 | @_implementationOnly import CAtomics
    |                      `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
 20 | #elseif canImport(Darwin)
 21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[17/21] Compiling Deferred FutureUpon.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[18/21] Compiling Deferred Locking.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[19/21] Compiling Deferred DeferredVariant.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[20/21] Compiling Deferred Executor.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
[21/21] Compiling Deferred ExistentialFuture.swift
/host/spi-builder-workspace/Sources/Deferred/Deferred.swift:9:8: error: no such module 'Dispatch'
 7 | //
 8 |
 9 | import Dispatch
   |        `- error: no such module 'Dispatch'
10 |
11 | /// A value that may become determined (or "filled") at some point in the
BUILD FAILURE 6.1 wasm