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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build WebMIDIKit, reference master (6f3506), with Swift 6.1 for Linux on 25 Apr 2025 09:30:23 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/adamnemecek/webmidikit.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/adamnemecek/webmidikit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6f35069 Improve Xcode 12+ compatibility (#35)
Cloned https://github.com/adamnemecek/webmidikit.git
Revision (git rev-parse @):
6f3506937c141f04edaaa182502984d7baaa2e26
SUCCESS checkout https://github.com/adamnemecek/webmidikit.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/adamnemecek/webmidikit.git
https://github.com/adamnemecek/webmidikit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "WebMIDIKit",
  "name" : "WebMIDIKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "WebMIDIKit",
      "targets" : [
        "WebMIDIKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WebMIDIKitTests",
      "module_type" : "SwiftTarget",
      "name" : "WebMIDIKitTests",
      "path" : "Tests/WebMIDIKitTests",
      "sources" : [
        "MIDIPacketListBuilderTests.swift",
        "WebMIDIKitTests.swift"
      ],
      "target_dependencies" : [
        "WebMIDIKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "WebMIDIKit",
      "module_type" : "SwiftTarget",
      "name" : "WebMIDIKit",
      "path" : "Sources/WebMIDIKit",
      "product_memberships" : [
        "WebMIDIKit"
      ],
      "sources" : [
        "CoreMIDI.swift",
        "Enums.swift",
        "Extensions.swift",
        "MIDIClient.swift",
        "MIDIEndpoint.swift",
        "MIDIEvent.swift",
        "MIDIInput.swift",
        "MIDIOutput.swift",
        "MIDIPacketList.swift",
        "MIDIPacketListBuilder.swift",
        "MIDIPort.swift",
        "MIDIPortMap.swift",
        "MIDIStatus.swift",
        "VirtualMIDIInput.swift",
        "VirtualMIDIOutput.swift",
        "WebMIDIKit.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/17] Compiling WebMIDIKit MIDIPacketList.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[4/17] Compiling WebMIDIKit MIDIPacketListBuilder.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[5/17] Compiling WebMIDIKit MIDIStatus.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[6/17] Compiling WebMIDIKit VirtualMIDIInput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[7/17] Compiling WebMIDIKit MIDIPort.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[8/17] Compiling WebMIDIKit MIDIPortMap.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[9/19] Compiling WebMIDIKit VirtualMIDIOutput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[10/19] Compiling WebMIDIKit WebMIDIKit.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/19] Emitting module WebMIDIKit
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[12/19] Compiling WebMIDIKit MIDIEndpoint.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[13/19] Compiling WebMIDIKit MIDIEvent.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[14/19] Compiling WebMIDIKit CoreMIDI.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[15/19] Compiling WebMIDIKit Enums.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[16/19] Compiling WebMIDIKit Extensions.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[17/19] Compiling WebMIDIKit MIDIClient.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[18/19] Compiling WebMIDIKit MIDIInput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[19/19] Compiling WebMIDIKit MIDIOutput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/16] Compiling WebMIDIKit MIDIInput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[3/16] Compiling WebMIDIKit MIDIOutput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[4/18] Compiling WebMIDIKit MIDIPacketList.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[5/18] Compiling WebMIDIKit MIDIPacketListBuilder.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[6/18] Compiling WebMIDIKit MIDIPort.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[7/18] Compiling WebMIDIKit MIDIPortMap.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[8/18] Compiling WebMIDIKit MIDIStatus.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[9/18] Compiling WebMIDIKit VirtualMIDIInput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/18] Compiling WebMIDIKit CoreMIDI.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[11/18] Compiling WebMIDIKit Enums.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[12/18] Compiling WebMIDIKit Extensions.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[13/18] Compiling WebMIDIKit MIDIClient.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[14/18] Compiling WebMIDIKit MIDIEndpoint.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[15/18] Compiling WebMIDIKit MIDIEvent.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[16/18] Emitting module WebMIDIKit
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[17/18] Compiling WebMIDIKit VirtualMIDIOutput.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
[18/18] Compiling WebMIDIKit WebMIDIKit.swift
/host/spi-builder-workspace/Sources/WebMIDIKit/CoreMIDI.swift:1:8: error: no such module 'CoreMIDI'
  1 | import CoreMIDI
    |        `- error: no such module 'CoreMIDI'
  2 |
  3 | extension MIDIObjectAddRemoveNotification: CustomStringConvertible {
BUILD FAILURE 6.1 linux