Swift Package IndexBuild Information
Failed to build NextLevelSessionExporter, reference main (1bb6e1), with Swift 6.0 for macOS (SPM) on 30 Apr 2026 00:21:02 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/NextLevel/NextLevelSessionExporter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/NextLevel/NextLevelSessionExporter
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1bb6e19 Merge pull request #58 from madsodgaard/main
Cloned https://github.com/NextLevel/NextLevelSessionExporter.git
Revision (git rev-parse @):
1bb6e19731ff512f4652f8ce2a8f67c779b1598f
SUCCESS checkout https://github.com/NextLevel/NextLevelSessionExporter.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.0
Building package at path: $PWD
https://github.com/NextLevel/NextLevelSessionExporter.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module SessionExporter
<unknown>:0: error: upcoming feature 'StrictConcurrency' is already enabled as of Swift version 6
[4/4] Compiling SessionExporter NextLevelSessionExporter.swift
<unknown>:0: error: upcoming feature 'StrictConcurrency' is already enabled as of Swift version 6
/Users/admin/builder/spi-builder-workspace/Sources/NextLevelSessionExporter.swift:404:62: warning: capture of 'videoOutput' with non-sendable type 'AVAssetReaderVideoCompositionOutput' in a `@Sendable` closure
402 | dispatchGroup.enter()
403 | videoInput.requestMediaDataWhenReady(on: self._inputQueue, using: {
404 | if self.encode(readySamplesFromReaderOutput: videoOutput, toWriterInput: videoInput) == false {
| `- warning: capture of 'videoOutput' with non-sendable type 'AVAssetReaderVideoCompositionOutput' in a `@Sendable` closure
405 | dispatchGroup.leave()
406 | }
AVFoundation.AVAssetReaderVideoCompositionOutput:2:12: note: class 'AVAssetReaderVideoCompositionOutput' does not conform to the 'Sendable' protocol
1 | @available(macOS 10.7, *)
2 | open class AVAssetReaderVideoCompositionOutput : AVAssetReaderOutput {
| `- note: class 'AVAssetReaderVideoCompositionOutput' does not conform to the 'Sendable' protocol
3 | @available(*, unavailable)
4 | public convenience init()
/Users/admin/builder/spi-builder-workspace/Sources/NextLevelSessionExporter.swift:25:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
23 |
24 | import Foundation
25 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
26 | import VideoToolbox
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NextLevelSessionExporter.swift:404:90: warning: capture of 'videoInput' with non-sendable type 'AVAssetWriterInput' in a `@Sendable` closure
402 | dispatchGroup.enter()
403 | videoInput.requestMediaDataWhenReady(on: self._inputQueue, using: {
404 | if self.encode(readySamplesFromReaderOutput: videoOutput, toWriterInput: videoInput) == false {
| `- warning: capture of 'videoInput' with non-sendable type 'AVAssetWriterInput' in a `@Sendable` closure
405 | dispatchGroup.leave()
406 | }
AVFoundation.AVAssetWriterInput:2:12: note: class 'AVAssetWriterInput' does not conform to the 'Sendable' protocol
1 | @available(macOS 10.7, *)
2 | open class AVAssetWriterInput : NSObject {
| `- note: class 'AVAssetWriterInput' does not conform to the 'Sendable' protocol
3 | @available(*, unavailable)
4 | public convenience init()
/Users/admin/builder/spi-builder-workspace/Sources/NextLevelSessionExporter.swift:414:62: warning: capture of 'audioOutput' with non-sendable type 'AVAssetReaderAudioMixOutput' in a `@Sendable` closure
412 | dispatchGroup.enter()
413 | audioInput.requestMediaDataWhenReady(on: self._inputQueue, using: {
414 | if self.encode(readySamplesFromReaderOutput: audioOutput, toWriterInput: audioInput) == false {
| `- warning: capture of 'audioOutput' with non-sendable type 'AVAssetReaderAudioMixOutput' in a `@Sendable` closure
415 | dispatchGroup.leave()
416 | }
AVFoundation.AVAssetReaderAudioMixOutput:2:12: note: class 'AVAssetReaderAudioMixOutput' does not conform to the 'Sendable' protocol
1 | @available(macOS 10.7, *)
2 | open class AVAssetReaderAudioMixOutput : AVAssetReaderOutput {
| `- note: class 'AVAssetReaderAudioMixOutput' does not conform to the 'Sendable' protocol
3 | @available(*, unavailable)
4 | public convenience init()
/Users/admin/builder/spi-builder-workspace/Sources/NextLevelSessionExporter.swift:414:90: warning: capture of 'audioInput' with non-sendable type 'AVAssetWriterInput' in a `@Sendable` closure
412 | dispatchGroup.enter()
413 | audioInput.requestMediaDataWhenReady(on: self._inputQueue, using: {
414 | if self.encode(readySamplesFromReaderOutput: audioOutput, toWriterInput: audioInput) == false {
| `- warning: capture of 'audioInput' with non-sendable type 'AVAssetWriterInput' in a `@Sendable` closure
415 | dispatchGroup.leave()
416 | }
AVFoundation.AVAssetWriterInput:2:12: note: class 'AVAssetWriterInput' does not conform to the 'Sendable' protocol
1 | @available(macOS 10.7, *)
2 | open class AVAssetWriterInput : NSObject {
| `- note: class 'AVAssetWriterInput' does not conform to the 'Sendable' protocol
3 | @available(*, unavailable)
4 | public convenience init()
BUILD FAILURE 6.0 macosSpm