Build Information
Failed to build MuxPlayerSwift, reference v1.5.0 (371204), with Swift 6.3 for macOS (SPM) on 19 Apr 2026 22:48:31 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.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/muxinc/mux-player-swift.git
Reference: v1.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/muxinc/mux-player-swift
* tag v1.5.0 -> FETCH_HEAD
HEAD is now at 371204e Releases/v1.5.0 (#78)
Cloned https://github.com/muxinc/mux-player-swift.git
Revision (git rev-parse @):
371204eb1bf49b059449b0bdd3d45cae66b3d0a4
SUCCESS checkout https://github.com/muxinc/mux-player-swift.git at v1.5.0
Fetching https://github.com/swiftlang/swift-docc-symbolkit
Fetching https://github.com/muxinc/stats-sdk-objc.git
Fetching https://github.com/yene/GCDWebServer
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/muxinc/mux-stats-sdk-avplayer
[1/2277] Fetching swift-docc-plugin
[93/2355] Fetching swift-docc-plugin, gcdwebserver
[307/21709] Fetching swift-docc-plugin, gcdwebserver, mux-stats-sdk-avplayer
[308/25381] Fetching swift-docc-plugin, gcdwebserver, mux-stats-sdk-avplayer, swift-docc-symbolkit
[9125/33102] Fetching swift-docc-plugin, gcdwebserver, mux-stats-sdk-avplayer, swift-docc-symbolkit, stats-sdk-objc
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (24.47s)
Fetched https://github.com/apple/swift-docc-plugin from cache (24.47s)
Fetched https://github.com/muxinc/stats-sdk-objc.git from cache (24.47s)
[10976/19432] Fetching gcdwebserver, mux-stats-sdk-avplayer
Fetched https://github.com/yene/GCDWebServer from cache (32.12s)
Fetched https://github.com/muxinc/mux-stats-sdk-avplayer from cache (32.12s)
Computing version for https://github.com/yene/GCDWebServer
Computed https://github.com/yene/GCDWebServer at 3.5.7 (35.92s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.5 (0.68s)
Computing version for https://github.com/muxinc/mux-stats-sdk-avplayer
Computed https://github.com/muxinc/mux-stats-sdk-avplayer at 4.10.0 (0.57s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.72s)
Computing version for https://github.com/muxinc/stats-sdk-objc.git
Computed https://github.com/muxinc/stats-sdk-objc.git at 5.7.0 (0.55s)
Creating working copy for https://github.com/muxinc/mux-stats-sdk-avplayer
Working copy of https://github.com/muxinc/mux-stats-sdk-avplayer resolved at 4.10.0
Creating working copy for https://github.com/muxinc/stats-sdk-objc.git
Working copy of https://github.com/muxinc/stats-sdk-objc.git resolved at 5.7.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.5
Creating working copy for https://github.com/yene/GCDWebServer
Working copy of https://github.com/yene/GCDWebServer resolved at 3.5.7
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Downloading binary artifact https://github.com/muxinc/stats-sdk-objc/releases/download/v5.7.0/MuxCore.xcframework.zip
[32750/3321489] Downloading https://github.com/muxinc/stats-sdk-objc/releases/download/v5.7.0/MuxCore.xcframework.zip
Downloaded https://github.com/muxinc/stats-sdk-objc/releases/download/v5.7.0/MuxCore.xcframework.zip (0.99s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "mux-player-swift",
"name": "MuxPlayerSwift",
"url": "https://github.com/muxinc/mux-player-swift.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/mux-player-swift",
"traits": [
"default"
],
"dependencies": [
{
"identity": "mux-stats-sdk-avplayer",
"name": "MUXSDKStats",
"url": "https://github.com/muxinc/mux-stats-sdk-avplayer",
"version": "4.12.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/mux-stats-sdk-avplayer",
"traits": [
"default"
],
"dependencies": [
{
"identity": "stats-sdk-objc",
"name": "MuxCore",
"url": "https://github.com/muxinc/stats-sdk-objc.git",
"version": "5.11.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/stats-sdk-objc",
"traits": [
"default"
],
"dependencies": [
]
}
]
},
{
"identity": "gcdwebserver",
"name": "GCDWebServer",
"url": "https://github.com/yene/GCDWebServer",
"version": "3.5.7",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/GCDWebServer",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/muxinc/mux-player-swift.git
[1/4671] Fetching mux-player-swift
Fetched https://github.com/muxinc/mux-player-swift.git from cache (1.51s)
Fetching https://github.com/yene/GCDWebServer from cache
Fetching https://github.com/muxinc/mux-stats-sdk-avplayer from cache
Fetched https://github.com/muxinc/mux-stats-sdk-avplayer from cache (0.48s)
Fetched https://github.com/yene/GCDWebServer from cache (0.49s)
Computing version for https://github.com/yene/GCDWebServer
Computed https://github.com/yene/GCDWebServer at 3.5.7 (0.55s)
Computing version for https://github.com/muxinc/mux-stats-sdk-avplayer
Computed https://github.com/muxinc/mux-stats-sdk-avplayer at 4.12.0 (0.52s)
Fetching https://github.com/muxinc/stats-sdk-objc.git from cache
Fetched https://github.com/muxinc/stats-sdk-objc.git from cache (0.44s)
Computing version for https://github.com/muxinc/stats-sdk-objc.git
Computed https://github.com/muxinc/stats-sdk-objc.git at 5.11.0 (0.97s)
Creating working copy for https://github.com/yene/GCDWebServer
Working copy of https://github.com/yene/GCDWebServer resolved at 3.5.7
Creating working copy for https://github.com/muxinc/mux-stats-sdk-avplayer
Working copy of https://github.com/muxinc/mux-stats-sdk-avplayer resolved at 4.12.0
Creating working copy for https://github.com/muxinc/stats-sdk-objc.git
Working copy of https://github.com/muxinc/stats-sdk-objc.git resolved at 5.11.0
Creating working copy for https://github.com/muxinc/mux-player-swift.git
Working copy of https://github.com/muxinc/mux-player-swift.git resolved at v1.5.0 (371204e)
Downloading binary artifact https://github.com/muxinc/stats-sdk-objc/releases/download/v5.11.0/MuxCore.xcframework.zip
[9070/3457371] Downloading https://github.com/muxinc/stats-sdk-objc/releases/download/v5.11.0/MuxCore.xcframework.zip
Downloaded https://github.com/muxinc/stats-sdk-objc/releases/download/v5.11.0/MuxCore.xcframework.zip (0.71s)
warning: '.resolve-product-dependencies': dependency 'mux-player-swift' is not used by any target
Found 2 product dependencies
- MUXSDKStats
- GCDWebServer
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/muxinc/mux-player-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: the library 'MuxPlayerSwift' requires macos 10.13, but depends on the product 'GCDWebServer' which requires macos 10.15; consider changing the library 'MuxPlayerSwift' to require macos 10.15 or later, or the product 'GCDWebServer' to require macos 10.13 or earlier.
BUILD FAILURE 6.3 macosSpm