Swift Package Index

Build Information

Failed to build ReactiveSwift, reference master (abcdc2), with Swift 6.3 for Wasm on 21 Apr 2026 13:58:15 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Moya/ReactiveSwift.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/Moya/ReactiveSwift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at abcdc22 SignalProducer: avoid recursive start of a sequence of producers (#734)
Submodule path 'Carthage/Checkouts/Nimble': checked out 'f8657642dfdec9973efc79cc68bcef43a653a2bc'
Submodule path 'Carthage/Checkouts/Quick': checked out '0b4ed6c706dd0cce923b5019a605a9bcc6b1b600'
Submodule path 'Carthage/Checkouts/Quick/Externals/Nimble': checked out 'a27c5186ce2d65f60d1237660b2509df3eb29023'
Submodule path 'Carthage/Checkouts/xcconfigs': checked out 'bb795558a76e5daf3688500055bbcfe243bffa8d'
Submodule 'Carthage/Checkouts/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Nimble'
Submodule 'Carthage/Checkouts/Quick' (https://github.com/Quick/Quick.git) registered for path 'Carthage/Checkouts/Quick'
Submodule 'Carthage/Checkouts/xcconfigs' (https://github.com/jspahrsummers/xcconfigs.git) registered for path 'Carthage/Checkouts/xcconfigs'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Nimble'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Quick'...
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/xcconfigs'...
Submodule 'Externals/Nimble' (https://github.com/Quick/Nimble.git) registered for path 'Carthage/Checkouts/Quick/Externals/Nimble'
Cloning into '/host/spi-builder-workspace/Carthage/Checkouts/Quick/Externals/Nimble'...
Cloned https://github.com/Moya/ReactiveSwift.git
Revision (git rev-parse @):
abcdc22fecdef777eaf4dda5cd4b410e24aceae7
SUCCESS checkout https://github.com/Moya/ReactiveSwift.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Moya/ReactiveSwift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14902] Fetching quick
[4323/34725] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (0.84s)
[14273/19823] Fetching nimble
Fetched https://github.com/Quick/Nimble.git from cache (1.64s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (2.11s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.1.2 (0.42s)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.1.2
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/22] Emitting module ReactiveSwift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[4/24] Compiling ReactiveSwift UninhabitedTypeGuards.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[5/24] Compiling ReactiveSwift ValidatingProperty.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[6/24] Compiling ReactiveSwift Property.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[7/24] Compiling ReactiveSwift Reactive.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[8/24] Compiling ReactiveSwift ResultExtensions.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[9/24] Compiling ReactiveSwift Action.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[10/24] Compiling ReactiveSwift Atomic.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[11/24] Compiling ReactiveSwift Bag.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[12/24] Compiling ReactiveSwift Deprecations+Removals.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[13/24] Compiling ReactiveSwift Disposable.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[14/24] Compiling ReactiveSwift Event.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[15/24] Compiling ReactiveSwift Lifetime.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[16/24] Compiling ReactiveSwift Observer.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[17/24] Compiling ReactiveSwift Optional.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[18/24] Compiling ReactiveSwift SignalProducer.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[19/24] Compiling ReactiveSwift UnidirectionalBinding.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[20/24] Compiling ReactiveSwift Scheduler.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[21/24] Compiling ReactiveSwift Signal.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[22/24] Compiling ReactiveSwift EventLogger.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[23/24] Compiling ReactiveSwift Flatten.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
[24/24] Compiling ReactiveSwift FoundationExtensions.swift
/host/spi-builder-workspace/Sources/Action.swift:1:8: error: no such module 'Dispatch'
  1 | import Dispatch
    |        `- error: no such module 'Dispatch'
  2 | import Foundation
  3 |
BUILD FAILURE 6.3 wasm