Swift Package Index

Build Information

Failed to build swift-midi-ui, reference 1.1.0 (7fca99), with Swift 6.1 for Wasm on 25 Jun 2026 05:27:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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: 4071e0796c748d991a0123890d2f0ecadc8fcc8c
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/orchetect/swift-midi-ui.git
Reference: 1.1.0
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/orchetect/swift-midi-ui
 * tag               1.1.0      -> FETCH_HEAD
HEAD is now at 7fca991 Set swift-midi-io dependency to 1.0.0
Cloned https://github.com/orchetect/swift-midi-ui.git
Revision (git rev-parse @):
7fca9915d706d1dc28d3d9b8c9c4b6cd63d0ac40
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/orchetect/swift-midi-ui.git at 1.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/orchetect/swift-midi-ui.git
https://github.com/orchetect/swift-midi-ui.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/orchetect/swift-midi-io
Fetching https://github.com/orchetect/swift-midi-core
[1/1695] Fetching swift-midi-io
[1544/3330] Fetching swift-midi-io, swift-midi-core
Fetched https://github.com/orchetect/swift-midi-io from cache (0.37s)
[442/1635] Fetching swift-midi-core
Fetched https://github.com/orchetect/swift-midi-core from cache (0.40s)
Computing version for https://github.com/orchetect/swift-midi-io
Computed https://github.com/orchetect/swift-midi-io at 1.1.0 (0.67s)
Computing version for https://github.com/orchetect/swift-midi-core
Computed https://github.com/orchetect/swift-midi-core at 1.0.2 (0.27s)
Creating working copy for https://github.com/orchetect/swift-midi-io
Working copy of https://github.com/orchetect/swift-midi-io resolved at 1.1.0
Creating working copy for https://github.com/orchetect/swift-midi-core
Working copy of https://github.com/orchetect/swift-midi-core resolved at 1.0.2
Building for debugging...
[0/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/29] Emitting module SwiftMIDIInternals
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/swift-midi-core/Sources/SwiftMIDIInternals/Utilities/SafeDispatchTimer.swift:7:8: error: no such module 'Dispatch'
  5 | //
  6 |
  7 | import Dispatch
    |        `- error: no such module 'Dispatch'
  8 | import Foundation
  9 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/31] Emitting module SwiftMIDIIO
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/swift-midi-io/Sources/Unsupported/SwiftMIDIIO.swift:10:8: error: no such module 'CoreMIDI'
 8 |
 9 | // artificially cause the build to fail by attempting to import an Apple-only framework
10 | import CoreMIDI
   |        `- error: no such module 'CoreMIDI'
11 |
[8/31] Compiling SwiftMIDIIO SwiftMIDIIO.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/.build/checkouts/swift-midi-io/Sources/Unsupported/SwiftMIDIIO.swift:10:8: error: no such module 'CoreMIDI'
 8 |
 9 | // artificially cause the build to fail by attempting to import an Apple-only framework
10 | import CoreMIDI
   |        `- error: no such module 'CoreMIDI'
11 |
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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: sha256:87277f180438764e0763769462b4e00642129a1e8364b1cdaa91f88fde66785b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/25] Emitting module SwiftMIDIIO
/host/spi-builder-workspace/.build/checkouts/swift-midi-io/Sources/Unsupported/SwiftMIDIIO.swift:10:8: error: no such module 'CoreMIDI'
 8 |
 9 | // artificially cause the build to fail by attempting to import an Apple-only framework
10 | import CoreMIDI
   |        `- error: no such module 'CoreMIDI'
11 |
[3/25] Compiling SwiftMIDIIO SwiftMIDIIO.swift
/host/spi-builder-workspace/.build/checkouts/swift-midi-io/Sources/Unsupported/SwiftMIDIIO.swift:10:8: error: no such module 'CoreMIDI'
 8 |
 9 | // artificially cause the build to fail by attempting to import an Apple-only framework
10 | import CoreMIDI
   |        `- error: no such module 'CoreMIDI'
11 |
BUILD FAILURE 6.1 wasm