Build Information
Failed to build swift-html, reference main (611413), with Swift 6.3 for macOS (SPM) on 15 Apr 2026 05:21:27 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pointfreeco/swift-html.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/pointfreeco/swift-html
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 611413a Update README.md
Cloned https://github.com/pointfreeco/swift-html.git
Revision (git rev-parse @):
611413a7fdc3ecba7c6f0695c45112b6d81f70cb
SUCCESS checkout https://github.com/pointfreeco/swift-html.git at main
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
Fetching https://github.com/swiftlang/swift-syntax
[1/74972] Fetching swift-syntax
[2/91018] Fetching swift-syntax, swift-snapshot-testing
Fetched https://github.com/swiftlang/swift-syntax from cache (7.25s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (7.25s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.17.5 (7.95s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 600.0.1 (0.75s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 600.0.1
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.17.5
========================================
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": "swift-html",
"name": "swift-html",
"url": "https://github.com/pointfreeco/swift-html.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-html",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-snapshot-testing",
"name": "swift-snapshot-testing",
"url": "https://github.com/pointfreeco/swift-snapshot-testing",
"version": "1.19.2",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-snapshot-testing",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-custom-dump",
"name": "swift-custom-dump",
"url": "https://github.com/pointfreeco/swift-custom-dump",
"version": "1.5.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-custom-dump",
"traits": [
"default"
],
"dependencies": [
{
"identity": "xctest-dynamic-overlay",
"name": "xctest-dynamic-overlay",
"url": "https://github.com/pointfreeco/xctest-dynamic-overlay",
"version": "1.9.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/xctest-dynamic-overlay",
"traits": [
"default"
],
"dependencies": [
]
}
]
},
{
"identity": "swift-syntax",
"name": "swift-syntax",
"url": "https://github.com/swiftlang/swift-syntax",
"version": "603.0.0",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
]
}
Fetching https://github.com/pointfreeco/swift-html.git
[1/1250] Fetching swift-html
Fetched https://github.com/pointfreeco/swift-html.git from cache (0.86s)
Fetching https://github.com/pointfreeco/swift-snapshot-testing from cache
Fetched https://github.com/pointfreeco/swift-snapshot-testing from cache (0.56s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.2 (1.22s)
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/swiftlang/swift-syntax from cache
[1/5464] Fetching swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (1.06s)
Fetched https://github.com/swiftlang/swift-syntax from cache (1.06s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (1.70s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5723] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (1.28s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (2.07s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.61s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
Creating working copy for https://github.com/pointfreeco/swift-html.git
Working copy of https://github.com/pointfreeco/swift-html.git resolved at main (611413a)
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.2
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip (0.34s)
warning: '.resolve-product-dependencies': dependency 'swift-html' is not used by any target
Found 1 product dependencies
- swift-snapshot-testing
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/pointfreeco/swift-html.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version--6988338F2F200930.txt
[5/49] Compiling Html Node.swift
[6/49] Compiling Html Tag.swift
[7/50] Compiling Html Events.swift
[8/50] Compiling Html HtmlRender.swift
[9/50] Compiling SnapshotTesting Internal.swift
[10/50] Compiling SnapshotTesting PlistEncoder.swift
[11/50] Compiling Html Html4.swift
[12/50] Compiling Html MediaType.swift
[13/50] Compiling SnapshotTesting String+SpecialCharacters.swift
[14/50] Compiling SnapshotTesting View.swift
[15/50] Compiling Html XmlRender.swift
[16/50] Emitting module Html
[17/50] Compiling SnapshotTesting AssertSnapshot.swift
[18/50] Compiling SnapshotTesting Async.swift
[19/50] Compiling SnapshotTesting SnapshotTestingConfiguration.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-snapshot-testing/Sources/SnapshotTesting/SnapshotsTestTrait.swift:37:17: error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
35 | /// A type representing the configuration of snapshot testing.
36 | @_spi(Experimental)
37 | public struct _SnapshotsTestTrait: SuiteTrait, TestTrait {
| |- error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
| `- note: in associated type 'Self.TestScopeProvider' (inferred as 'Never')
38 | public let isRecursive = true
39 | let configuration: SnapshotTestingConfiguration
[20/50] Compiling SnapshotTesting SnapshotsTestTrait.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-snapshot-testing/Sources/SnapshotTesting/SnapshotsTestTrait.swift:37:17: error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
35 | /// A type representing the configuration of snapshot testing.
36 | @_spi(Experimental)
37 | public struct _SnapshotsTestTrait: SuiteTrait, TestTrait {
| |- error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
| `- note: in associated type 'Self.TestScopeProvider' (inferred as 'Never')
38 | public let isRecursive = true
39 | let configuration: SnapshotTestingConfiguration
[21/50] Compiling SnapshotTesting Snapshotting.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-snapshot-testing/Sources/SnapshotTesting/SnapshotsTestTrait.swift:37:17: error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
35 | /// A type representing the configuration of snapshot testing.
36 | @_spi(Experimental)
37 | public struct _SnapshotsTestTrait: SuiteTrait, TestTrait {
| |- error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
| `- note: in associated type 'Self.TestScopeProvider' (inferred as 'Never')
38 | public let isRecursive = true
39 | let configuration: SnapshotTestingConfiguration
[22/50] Compiling SnapshotTesting Any.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-snapshot-testing/Sources/SnapshotTesting/SnapshotsTestTrait.swift:37:17: error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
35 | /// A type representing the configuration of snapshot testing.
36 | @_spi(Experimental)
37 | public struct _SnapshotsTestTrait: SuiteTrait, TestTrait {
| |- error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
| `- note: in associated type 'Self.TestScopeProvider' (inferred as 'Never')
38 | public let isRecursive = true
39 | let configuration: SnapshotTestingConfiguration
[23/53] Compiling SnapshotTesting CALayer.swift
[24/53] Compiling SnapshotTesting CGPath.swift
[25/53] Compiling SnapshotTesting CaseIterable.swift
[26/53] Compiling SnapshotTesting Data.swift
[27/53] Compiling SnapshotTesting Encodable.swift
[28/53] Compiling SnapshotTesting NSBezierPath.swift
[29/53] Compiling SnapshotTesting NSImage.swift
[30/53] Compiling SnapshotTesting NSView.swift
[31/53] Compiling SnapshotTesting NSViewController.swift
[32/53] Compiling SnapshotTesting Diffing.swift
[33/53] Compiling SnapshotTesting Wait.swift
[34/53] Compiling SnapshotTesting Deprecations.swift
[35/53] Compiling SnapshotTesting RecordIssue.swift
[36/53] Compiling SnapshotTesting UIView.swift
[37/53] Compiling SnapshotTesting UIViewController.swift
[38/53] Compiling SnapshotTesting URLRequest.swift
[41/53] Compiling SnapshotTesting XCTAttachment.swift
[42/53] Compiling SnapshotTesting Diff.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[47/53] Emitting module SnapshotTesting
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-snapshot-testing/Sources/SnapshotTesting/SnapshotsTestTrait.swift:37:17: error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
35 | /// A type representing the configuration of snapshot testing.
36 | @_spi(Experimental)
37 | public struct _SnapshotsTestTrait: SuiteTrait, TestTrait {
| |- error: cannot use conformance of 'Never' to 'TestScoping' here; 'Testing' has been imported as implementation-only
| `- note: in associated type 'Self.TestScopeProvider' (inferred as 'Never')
38 | public let isRecursive = true
39 | let configuration: SnapshotTestingConfiguration
[48/53] Compiling SnapshotTesting SceneKit.swift
[49/53] Compiling SnapshotTesting SpriteKit.swift
[50/53] Compiling SnapshotTesting String.swift
[51/53] Compiling SnapshotTesting SwiftUIView.swift
[52/53] Compiling SnapshotTesting UIBezierPath.swift
[53/53] Compiling SnapshotTesting UIImage.swift
BUILD FAILURE 6.3 macosSpm