Build Information
Failed to build swift-rfc-5952, reference 0.1.5 (28470d), with Swift 6.4 for Linux on 24 Sep 2026 22:40:37 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-ietf/swift-rfc-5952.git
Reference: 0.1.5
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/swift-ietf/swift-rfc-5952
* tag 0.1.5 -> FETCH_HEAD
HEAD is now at 28470d6 Fix String(address) to use ASCII serialization
Cloned https://github.com/swift-ietf/swift-rfc-5952.git
Revision (git rev-parse @):
28470d631e4a916ab9909e027ae676112b4d68ea
SUCCESS checkout https://github.com/swift-ietf/swift-rfc-5952.git at 0.1.5
========================================
Build
========================================
Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/swift-ietf/swift-rfc-5952.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/swift-standards/swift-standards
Fetching https://github.com/swift-standards/swift-rfc-4648
Fetching https://github.com/swift-standards/swift-rfc-4291
Fetching https://github.com/swift-standards/swift-incits-4-1986
[1/1436] Fetching swift-rfc-4291
[949/2472] Fetching swift-rfc-4291, swift-rfc-4648
[1084/3717] Fetching swift-rfc-4291, swift-rfc-4648, swift-incits-4-1986
Fetched https://github.com/swift-standards/swift-rfc-4648 (0.57s)
Fetched https://github.com/swift-standards/swift-incits-4-1986 (0.57s)
Fetched https://github.com/swift-standards/swift-rfc-4291 (0.58s)
[1/4873] Fetching swift-standards
Fetched https://github.com/swift-standards/swift-standards (0.68s)
Computing version for https://github.com/swift-standards/swift-rfc-4648
Computed https://github.com/swift-standards/swift-rfc-4648 at 0.6.0 (0.85s)
Computing version for https://github.com/swift-standards/swift-incits-4-1986
Computed https://github.com/swift-standards/swift-incits-4-1986 at 0.7.1 (0.19s)
Computing version for https://github.com/swift-standards/swift-rfc-4291
Computed https://github.com/swift-standards/swift-rfc-4291 at 0.2.0 (0.21s)
Computing version for https://github.com/swift-standards/swift-standards
Computed https://github.com/swift-standards/swift-standards at 0.30.1 (0.27s)
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/coenttb/swift-testing-performance
Fetching https://github.com/apple/swift-numerics
[1/6640] Fetching swift-numerics
[2657/7042] Fetching swift-numerics, swift-testing-performance
Fetched https://github.com/apple/swift-numerics (0.56s)
[1/80067] Fetching swift-syntax
Fetched https://github.com/coenttb/swift-testing-performance (2.95s)
Fetched https://github.com/swiftlang/swift-syntax (2.97s)
Computing version for https://github.com/coenttb/swift-testing-performance
Computed https://github.com/coenttb/swift-testing-performance at 0.3.1 (3.19s)
Fetching https://github.com/coenttb/swift-memory-allocation
[1/424] Fetching swift-memory-allocation
Fetched https://github.com/coenttb/swift-memory-allocation (1.56s)
Computing version for https://github.com/coenttb/swift-memory-allocation
Computed https://github.com/coenttb/swift-memory-allocation at 0.2.0 (1.77s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (1.18s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.16s)
Creating working copy for https://github.com/swift-standards/swift-incits-4-1986
Working copy of https://github.com/swift-standards/swift-incits-4-1986 resolved at 0.7.1
Creating working copy for https://github.com/swift-standards/swift-rfc-4291
Working copy of https://github.com/swift-standards/swift-rfc-4291 resolved at 0.2.0
Creating working copy for https://github.com/swift-standards/swift-standards
Working copy of https://github.com/swift-standards/swift-standards resolved at 0.30.1
Creating working copy for https://github.com/swift-standards/swift-rfc-4648
Working copy of https://github.com/swift-standards/swift-rfc-4648 resolved at 0.6.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Creating working copy for https://github.com/coenttb/swift-testing-performance
Working copy of https://github.com/coenttb/swift-testing-performance resolved at 0.3.1
Creating working copy for https://github.com/coenttb/swift-memory-allocation
Working copy of https://github.com/coenttb/swift-memory-allocation resolved at 0.2.0
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 768]
[Planning deferred tasks]
[167 / 336] RealModule
[179 / 363] Positioning
[180 / 372] StandardLibraryExtensions
[192 / 372] Parsing
[203 / 372] StandardsCollections
[207 / 372] StandardsCollections
[210 / 372] TernaryLogic
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[296 / 411] TernaryLogic
[303 / 411] Predicate
[306 / 412] Dimension
[321 / 432] StandardTime
[323 / 432] StandardTime
[328 / 433] StandardTime
[331 / 433] Algebra
[340 / 434]
[352 / 445] Binary
[355 / 454] StandardTime
[364 / 455] Region
[369 / 455] Region
[371 / 456] Region
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/FixedWidthInteger+Binary.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile FixedWidthInteger+Binary.swift
/host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/FixedWidthInteger+Binary.swift:235:27: [1;31merror: [1;39mambiguous use of 'withUnsafeBytes'[0;0m
[0;36m233 |[0;0m guard bytes.count == MemoryLayout<Self>.size else { return nil }
[0;36m234 |[0;0m
[0;36m235 |[0;0m let value = bytes.withUnsafeBytes { $0.load(as: Self.self) }
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of 'withUnsafeBytes'[0;0m
[0;36m236 |[0;0m
[0;36m237 |[0;0m switch endianness {
/host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Array+Binary.Contiguous.swift:11:17: [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m9 |[0;0m
[0;36m10 |[0;0m @inlinable
[0;36m11 |[0;0m public func withUnsafeBytes<R, E: Swift.Error>(
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m12 |[0;0m _ body: (UnsafeRawBufferPointer) throws(E) -> R
[0;36m13 |[0;0m ) throws(E) -> R {
Swift.Array.withUnsafeBytes:2:24: [1;39mnote: [1;39mfound this candidate in module 'Swift'[0;0m
[0;36m1 |[0;0m generic struct Array {
[0;36m2 |[0;0m @inlinable public func withUnsafeBytes<R>(_ body: (UnsafeRawBufferPointer) throws -> R) rethrows -> R}
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate in module 'Swift'[0;0m
[0;36m3 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Array+Binary.Contiguous.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Array+Bytes.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Aligned.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Alignment.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Collection.Array.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Collection.Set.Algebra.Symmetric.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Collection.Set.Algebra.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Collection.Set.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Collection.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Contiguous+Subscript.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Contiguous.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Copy.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Count.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Cursor.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Endianness.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.Bit.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.Bounds.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.Invariant.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.Negative.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.Overflow.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Error.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.Bytes.Notation.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.Bytes.Unit.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.Bytes.Units.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.Bytes.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.Radix.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Format.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Mask.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Mutable+RangeAccess.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Mutable.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Pattern.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Position.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Reader.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Serializable.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Shift.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Space.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.Zero.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Binary.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Bit.Order.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Collection\ UInt8.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/FixedWidthInteger+Binary.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int16+Parser.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int16.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int32+Parser.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int32.swift -primary-file /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int64+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int64.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int8+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/Int8.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/RangeReplaceableCollection+Bytes.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/RawRepresentable+Format.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt16+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt16.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt32+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt32.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt64+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt64.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/UInt8+Parser.swift /host/spi-builder-workspace/.build/checkouts/swift-standards/Sources/Binary/exports.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/supplementaryOutputs-46 -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 6 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/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int32.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int64+Parser.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/FixedWidthInteger+Binary.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int16+Parser.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int16.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int32+Parser.o -index-unit-output-path /swift-standards.build/Debug-linux-x86_64/Binary-t.build/Objects-normal/x86_64/Int32.o 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error: Build failed
BUILD FAILURE 6.4 linux