Swift Package Index

Build Information

Failed to build FuzzCheck, reference 0.2.0 (b4abbf), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 18:52:09 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/loiclec/fuzzcheck.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/loiclec/fuzzcheck
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at b4abbf6 Add MIT License
Cloned https://github.com/loiclec/fuzzcheck.git
Revision (git rev-parse @):
b4abbf661f4d187ec88bc2811893283d4c091260
SUCCESS checkout https://github.com/loiclec/fuzzcheck.git at 0.2.0
Fetching https://github.com/apple/swift-package-manager
[1/177032] Fetching swift-package-manager
Fetched https://github.com/apple/swift-package-manager from cache (14.97s)
Fetching https://github.com/apple/swift-llbuild.git
[1/29496] Fetching swift-llbuild
Fetched https://github.com/apple/swift-llbuild.git from cache (3.23s)
Fetching https://github.com/JohnSundell/Files.git
[1/1273] Fetching files
Fetched https://github.com/JohnSundell/Files.git from cache (0.83s)
Computing version for https://github.com/JohnSundell/Files.git
Computed https://github.com/JohnSundell/Files.git at 2.2.1 (1.51s)
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at master (ebeba84)
Creating working copy for https://github.com/JohnSundell/Files.git
Working copy of https://github.com/JohnSundell/Files.git resolved at 2.2.1
Creating working copy for https://github.com/apple/swift-package-manager
Working copy of https://github.com/apple/swift-package-manager resolved at 87523ce7e50d5fb0995682cd3c05558adbadfdfe
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
Fetching https://github.com/loiclec/fuzzcheck.git
[1/1098] Fetching fuzzcheck
Fetched https://github.com/loiclec/fuzzcheck.git from cache (0.86s)
Fetching https://github.com/apple/swift-package-manager from cache
Fetched https://github.com/apple/swift-package-manager from cache (1.08s)
Fetching https://github.com/apple/swift-llbuild.git from cache
Fetched https://github.com/apple/swift-llbuild.git from cache (0.96s)
error: could not find a branch named ‘master’ in https://github.com/apple/swift-llbuild.git (did you mean ‘main’?)
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/loiclec/fuzzcheck.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/14] Write sources
[2/14] Write FuzzCheckTool-entitlement.plist
[4/14] Write sources
[8/14] Compiling clibc libc.c
[9/14] Write swift-version--6988338F2F200930.txt
[10/14] Compiling CBuiltinsNotAvailableInSwift shims.c
[12/18] Emitting module SPMLibc
[13/18] Compiling SPMLibc libc.swift
[14/29] Emitting module POSIX
[15/29] Compiling POSIX Error.swift
[16/29] Compiling POSIX chdir.swift
[17/29] Compiling POSIX rename.swift
[18/29] Compiling POSIX env.swift
[19/29] Compiling POSIX isatty.swift
[20/29] Compiling POSIX stat.swift
[21/29] Compiling POSIX getcwd.swift
[22/29] Compiling POSIX exit.swift
[23/29] Compiling POSIX readdir.swift
[24/29] Compiling POSIX realpath.swift
[25/30] Compiling POSIX usleep.swift
[26/66] Compiling Basic Await.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-package-manager/Sources/Basic/Await.swift:18:28: error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
16 | /// - Throws: The error wrapped by the async method's result
17 | public func await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
18 |     return try await(body).dematerialize()
   |                            `- error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
19 | }
20 |
[27/66] Compiling Basic ByteString.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-package-manager/Sources/Basic/Await.swift:18:28: error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
16 | /// - Throws: The error wrapped by the async method's result
17 | public func await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
18 |     return try await(body).dematerialize()
   |                            `- error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
19 | }
20 |
[28/66] Compiling Basic CStringArray.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-package-manager/Sources/Basic/Await.swift:18:28: error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
16 | /// - Throws: The error wrapped by the async method's result
17 | public func await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
18 |     return try await(body).dematerialize()
   |                            `- error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
19 | }
20 |
[29/66] Compiling Basic CacheableSequence.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-package-manager/Sources/Basic/Await.swift:18:28: error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
16 | /// - Throws: The error wrapped by the async method's result
17 | public func await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
18 |     return try await(body).dematerialize()
   |                            `- error: value of type '(@escaping (Result<T, ErrorType>) -> Void) -> Void' has no member 'dematerialize'
19 | }
20 |
[30/69] Compiling Basic Result.swift
[31/69] Compiling Basic SHA256.swift
[32/69] Compiling Basic SortedArray.swift
[33/69] Compiling Basic StringConversions.swift
[34/69] Compiling Basic SynchronizedQueue.swift
[35/69] Compiling Basic TemporaryFile.swift
[36/69] Compiling Basic TerminalController.swift
[37/69] Compiling Basic KeyedPair.swift
[38/69] Compiling Basic LazyCache.swift
[39/69] Compiling Basic Lock.swift
[40/69] Compiling Basic ObjectIdentifierProtocol.swift
[41/69] Emitting module Basic
[42/69] Compiling Basic CollectionAlgorithms.swift
[43/69] Compiling Basic CollectionExtensions.swift
[44/69] Compiling Basic Condition.swift
[45/69] Compiling Basic DeltaAlgorithm.swift
[46/69] Compiling Basic Thread.swift
[47/69] Compiling Basic Tuple.swift
[48/69] Compiling Basic misc.swift
[49/69] Compiling Basic OrderedDictionary.swift
[50/69] Compiling Basic OrderedSet.swift
[51/69] Compiling Basic OutputByteStream.swift
[52/69] Compiling Basic Path.swift
[53/69] Compiling Basic FileSystem.swift
[54/69] Compiling Basic GraphAlgorithms.swift
[55/69] Compiling Basic JSON.swift
[56/69] Compiling Basic JSONMapper.swift
[57/69] Compiling Basic DiagnosticsEngine.swift
[58/69] Compiling Basic DictionaryExtensions.swift
[59/69] Compiling Basic DictionaryLiteralExtensions.swift
[60/69] Compiling Basic EditDistance.swift
[61/69] Compiling Basic PathShims.swift
[62/69] Compiling Basic Process.swift
[63/69] Compiling Basic ProcessSet.swift
[64/69] Compiling Basic RegEx.swift
[65/69] Emitting module Files
BUILD FAILURE 6.3 macosSpm