Swift Package IndexBuild Information
Failed to build swift-midi, reference main (1b8d2f), with Swift 6.1 for Android on 4 Oct 2026 02:31:53 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/orchetect/swift-midi.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/orchetect/swift-midi
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1b8d2f8 Updated package manifest with GitHub Actions env var applied to all targets
Cloned https://github.com/orchetect/swift-midi.git
Revision (git rev-parse @):
1b8d2f8f08d4dd95fb88846fa6262cea7e3a793e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/orchetect/swift-midi.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/orchetect/swift-midi.git
https://github.com/orchetect/swift-midi.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:a7f4f752e160f6cbd9e0c26490aa43ccd5312d524c4c6d77f8b144559b526afa
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Fetching https://github.com/orchetect/swift-midi-sync
Fetching https://github.com/orchetect/swift-midi-io
Fetching https://github.com/orchetect/swift-midi-controlsurfaces
Fetching https://github.com/orchetect/swift-midi-file
[1/1714] Fetching swift-midi-io
[790/2551] Fetching swift-midi-io, swift-midi-file
[2552/3106] Fetching swift-midi-io, swift-midi-file, swift-midi-controlsurfaces
[2780/3451] Fetching swift-midi-io, swift-midi-file, swift-midi-controlsurfaces, swift-midi-sync
Fetched https://github.com/orchetect/swift-midi-controlsurfaces from cache (0.80s)
Fetched https://github.com/orchetect/swift-midi-file from cache (0.80s)
Fetched https://github.com/orchetect/swift-midi-io from cache (0.80s)
[301/345] Fetching swift-midi-sync
Fetching https://github.com/orchetect/swift-midi-ui
Fetching https://github.com/orchetect/swift-midi-core
Fetched https://github.com/orchetect/swift-midi-sync from cache (0.83s)
[1/432] Fetching swift-midi-ui
Fetched https://github.com/orchetect/swift-midi-ui from cache (0.38s)
[1/2022] Fetching swift-midi-core
Fetched https://github.com/orchetect/swift-midi-core from cache (0.45s)
Computing version for https://github.com/orchetect/swift-midi-ui
Computed https://github.com/orchetect/swift-midi-ui at 1.1.0 (1.67s)
Computing version for https://github.com/orchetect/swift-midi-sync
Computed https://github.com/orchetect/swift-midi-sync at 1.0.1 (0.44s)
Fetching https://github.com/orchetect/swift-timecode
[1/30113] Fetching swift-timecode
Fetched https://github.com/orchetect/swift-timecode from cache (2.09s)
Computing version for https://github.com/orchetect/swift-midi-io
Computed https://github.com/orchetect/swift-midi-io at 1.1.0 (2.55s)
Computing version for https://github.com/orchetect/swift-midi-file
Computed https://github.com/orchetect/swift-midi-file at 1.0.1 (0.41s)
Fetching https://github.com/orchetect/swift-data-parsing
[1/979] Fetching swift-data-parsing
Fetched https://github.com/orchetect/swift-data-parsing from cache (0.42s)
Computing version for https://github.com/orchetect/swift-midi-core
Computed https://github.com/orchetect/swift-midi-core at 1.0.1 (0.80s)
Computing version for https://github.com/orchetect/swift-midi-controlsurfaces
Computed https://github.com/orchetect/swift-midi-controlsurfaces at 1.0.1 (0.68s)
Computing version for https://github.com/orchetect/swift-data-parsing
Computed https://github.com/orchetect/swift-data-parsing at 0.1.2 (0.45s)
Computing version for https://github.com/orchetect/swift-timecode
Computed https://github.com/orchetect/swift-timecode at 3.1.4 (1.61s)
Creating working copy for https://github.com/orchetect/swift-midi-core
Working copy of https://github.com/orchetect/swift-midi-core resolved at 1.0.1
Creating working copy for https://github.com/orchetect/swift-data-parsing
Working copy of https://github.com/orchetect/swift-data-parsing resolved at 0.1.2
Creating working copy for https://github.com/orchetect/swift-midi-sync
Working copy of https://github.com/orchetect/swift-midi-sync resolved at 1.0.1
Creating working copy for https://github.com/orchetect/swift-timecode
Working copy of https://github.com/orchetect/swift-timecode resolved at 3.1.4
Creating working copy for https://github.com/orchetect/swift-midi-ui
Working copy of https://github.com/orchetect/swift-midi-ui resolved at 1.1.0
Creating working copy for https://github.com/orchetect/swift-midi-controlsurfaces
Working copy of https://github.com/orchetect/swift-midi-controlsurfaces resolved at 1.0.1
Creating working copy for https://github.com/orchetect/swift-midi-file
Working copy of https://github.com/orchetect/swift-midi-file resolved at 1.0.1
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
Building for debugging...
[0/14] Write sources
[10/14] Write swift-version-24593BA9C3E375BF.txt
[12/133] 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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/133] 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 |
<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
<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-54344844-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:a7f4f752e160f6cbd9e0c26490aa43ccd5312d524c4c6d77f8b144559b526afa
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/4] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/123] 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 |
[3/123] 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 android