Swift Package IndexBuild Information
Failed to build swift-midi, reference main (1b8d2f), with Swift 6.1 for Wasm on 4 Oct 2026 02:34:14 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
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: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/orchetect/swift-midi.git
https://github.com/orchetect/swift-midi.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images: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 saguaro1/spi-images
Digest: sha256:beceeede496da67681f4fa220a6b97cc098a0178841a413735f598dc6bbaf4c8
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Fetching https://github.com/orchetect/swift-midi-io
Fetching https://github.com/orchetect/swift-midi-sync
Fetching https://github.com/orchetect/swift-midi-file
Fetching https://github.com/orchetect/swift-midi-core
Fetching https://github.com/orchetect/swift-midi-ui
[1/345] Fetching swift-midi-sync
[208/777] Fetching swift-midi-sync, swift-midi-ui
[260/1614] Fetching swift-midi-sync, swift-midi-ui, swift-midi-file
[511/3328] Fetching swift-midi-sync, swift-midi-ui, swift-midi-file, swift-midi-io
[615/5350] Fetching swift-midi-sync, swift-midi-ui, swift-midi-file, swift-midi-io, swift-midi-core
Fetched https://github.com/orchetect/swift-midi-file from cache (0.43s)
Fetched https://github.com/orchetect/swift-midi-ui from cache (0.43s)
Fetching https://github.com/orchetect/swift-midi-controlsurfaces
Fetched https://github.com/orchetect/swift-midi-core from cache (0.47s)
Fetched https://github.com/orchetect/swift-midi-sync from cache (0.47s)
Fetched https://github.com/orchetect/swift-midi-io from cache (0.47s)
[1/555] Fetching swift-midi-controlsurfaces
Fetched https://github.com/orchetect/swift-midi-controlsurfaces from cache (0.38s)
Computing version for https://github.com/orchetect/swift-midi-ui
Computed https://github.com/orchetect/swift-midi-ui at 1.1.0 (1.24s)
Computing version for https://github.com/orchetect/swift-midi-sync
Computed https://github.com/orchetect/swift-midi-sync at 1.0.1 (0.29s)
Fetching https://github.com/orchetect/swift-timecode
[1/30113] Fetching swift-timecode
Fetched https://github.com/orchetect/swift-timecode from cache (1.52s)
Computing version for https://github.com/orchetect/swift-midi-io
Computed https://github.com/orchetect/swift-midi-io at 1.1.0 (1.97s)
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 (0.35s)
Computing version for https://github.com/orchetect/swift-midi-core
Computed https://github.com/orchetect/swift-midi-core at 1.0.1 (0.66s)
Computing version for https://github.com/orchetect/swift-midi-controlsurfaces
Computed https://github.com/orchetect/swift-midi-controlsurfaces at 1.0.1 (0.29s)
Computing version for https://github.com/orchetect/swift-data-parsing
Computed https://github.com/orchetect/swift-data-parsing at 0.1.2 (0.37s)
Computing version for https://github.com/orchetect/swift-timecode
Computed https://github.com/orchetect/swift-timecode at 3.1.4 (1.19s)
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-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
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-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-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-ui
Working copy of https://github.com/orchetect/swift-midi-ui resolved at 1.1.0
Building for debugging...
[0/14] Write sources
[10/14] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/133] 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 |
[13/133] 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 |
<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
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- note: while building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:
29 | #include <stddef.h>
30 | #include <stdio.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "signal.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
1 | #ifndef _WASI_EMULATED_SIGNAL
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| `- error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
3 | compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
4 | #else
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "CoreFoundation.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: error: could not build module 'wasi_emulated_signal'
26 | #include <setjmp.h>
27 | #endif
28 | #include <signal.h>
| `- error: could not build module 'wasi_emulated_signal'
29 | #include <stddef.h>
30 | #include <stdio.h>
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:10: note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
84 | #undef _WASI_EMULATED_MMAN
85 | #define _WASI_EMULATED_MMAN
86 | #include <sys/mman.h>
| `- note: while building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:
87 | #elif TARGET_OS_LINUX
88 | #include <errno.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "sys/mman.h"
| `- note: in file included from <module-includes>:1:
2 |
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
1 | #ifndef _WASI_EMULATED_MMAN
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| `- error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
3 | compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
4 | #else
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:beceeede496da67681f4fa220a6b97cc098a0178841a413735f598dc6bbaf4c8
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/4] Write swift-version-24593BA9C3E375BF.txt
[2/123] 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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/123] 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 |
BUILD FAILURE 6.1 wasm