Build Information
Failed to build Replacer, reference master (2d6199), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 12:10:05 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/tattn/Replacer.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tattn/Replacer
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 2d6199d Merge pull request #5 from tattn/dependabot/bundler/tzinfo-1.2.10
Cloned https://github.com/tattn/Replacer.git
Revision (git rev-parse @):
2d6199d8e5200fa18a654ce0b111fdf976f34d8d
SUCCESS checkout https://github.com/tattn/Replacer.git at master
Fetching https://github.com/Alamofire/Alamofire.git
[1/31497] Fetching alamofire
Fetched https://github.com/Alamofire/Alamofire.git from cache (5.03s)
Computing version for https://github.com/Alamofire/Alamofire.git
Computed https://github.com/Alamofire/Alamofire.git at 4.9.1 (5.85s)
Creating working copy for https://github.com/Alamofire/Alamofire.git
Working copy of https://github.com/Alamofire/Alamofire.git resolved at 4.9.1
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ResolveProductDependencies
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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": "replacer",
"name": "Replacer",
"url": "https://github.com/tattn/Replacer.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Replacer",
"traits": [
"default"
],
"dependencies": [
{
"identity": "alamofire",
"name": "Alamofire",
"url": "https://github.com/Alamofire/Alamofire.git",
"version": "4.9.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Alamofire",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
Fetching https://github.com/tattn/Replacer.git
[1/216] Fetching replacer
Fetched https://github.com/tattn/Replacer.git from cache (0.72s)
Fetching https://github.com/Alamofire/Alamofire.git from cache
Fetched https://github.com/Alamofire/Alamofire.git from cache (0.65s)
Computing version for https://github.com/Alamofire/Alamofire.git
Computed https://github.com/Alamofire/Alamofire.git at 4.9.1 (0.73s)
Creating working copy for https://github.com/tattn/Replacer.git
Working copy of https://github.com/tattn/Replacer.git resolved at master (2d6199d)
Creating working copy for https://github.com/Alamofire/Alamofire.git
Working copy of https://github.com/Alamofire/Alamofire.git resolved at 4.9.1
warning: '.resolve-product-dependencies': dependency 'replacer' is not used by any target
Found 1 product dependencies
- Alamofire
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/tattn/Replacer.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
[4/9] Compiling Replacer URLStubProtocol.swift
[5/9] Compiling Replacer URLSessionConfiguration+.swift
[6/9] Emitting module Replacer
[7/9] Compiling Replacer URLStubManager.swift
[8/9] Compiling Replacer Replacer.swift
[9/9] Compiling Replacer URLStub.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/11] Emitting module TestReplacer
/Users/admin/builder/spi-builder-workspace/Sources/TestReplacer/XCTest+.swift:16:78: error: ambiguous use of 'tearDown'
14 |
15 | private static let swizzleTearDown: Void = {
16 | let tearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.tearDown))!
| `- error: ambiguous use of 'tearDown'
17 | let replacerTearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.autoResetTearDown))!
18 | method_exchangeImplementations(tearDown, replacerTearDown)
XCTest.XCTest.tearDown:2:11: note: found this candidate in module 'XCTest'
1 | class XCTest {
2 | open func tearDown()}
| `- note: found this candidate in module 'XCTest'
3 |
XCTest.XCTest.tearDown:2:11: note: found this candidate in module 'XCTest'
1 | class XCTest {
2 | open func tearDown(completion: @escaping @Sendable ((any Error)?) -> Void)}
| `- note: found this candidate in module 'XCTest'
3 |
[11/11] Compiling TestReplacer XCTest+.swift
/Users/admin/builder/spi-builder-workspace/Sources/TestReplacer/XCTest+.swift:16:78: error: ambiguous use of 'tearDown'
14 |
15 | private static let swizzleTearDown: Void = {
16 | let tearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.tearDown))!
| `- error: ambiguous use of 'tearDown'
17 | let replacerTearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.autoResetTearDown))!
18 | method_exchangeImplementations(tearDown, replacerTearDown)
XCTest.XCTest.tearDown:2:11: note: found this candidate in module 'XCTest'
1 | class XCTest {
2 | open func tearDown()}
| `- note: found this candidate in module 'XCTest'
3 |
XCTest.XCTest.tearDown:2:11: note: found this candidate in module 'XCTest'
1 | class XCTest {
2 | open func tearDown(completion: @escaping @Sendable ((any Error)?) -> Void)}
| `- note: found this candidate in module 'XCTest'
3 |
BUILD FAILURE 6.3 macosSpm