Build Information
Failed to build swift-rfc-2045, reference 0.3.5 (9a18c7), with Swift 6.4 for Android on 25 Sep 2026 00:27:37 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-ietf/swift-rfc-2045.git
Reference: 0.3.5
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-2045
* tag 0.3.5 -> FETCH_HEAD
HEAD is now at 9a18c76 Fix CI workflow to use Xcode 26.0 and macOS 26
Cloned https://github.com/swift-ietf/swift-rfc-2045.git
Revision (git rev-parse @):
9a18c76d0b5f01c463592b23d9ffd9612afba219
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-ietf/swift-rfc-2045.git at 0.3.5
========================================
Build
========================================
Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/swift-ietf/swift-rfc-2045.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/swift-standards/swift-rfc-5322
Fetching https://github.com/swift-standards/swift-incits-4-1986
Fetching https://github.com/swift-standards/swift-standards
[1/4873] Fetching swift-standards
[2/6118] Fetching swift-standards, swift-incits-4-1986
[702/7429] Fetching swift-standards, swift-incits-4-1986, swift-rfc-5322
Fetched https://github.com/swift-standards/swift-rfc-5322 (0.57s)
Fetched https://github.com/swift-standards/swift-incits-4-1986 (0.60s)
Fetched https://github.com/swift-standards/swift-standards (0.60s)
Computing version for https://github.com/swift-standards/swift-rfc-5322
Computed https://github.com/swift-standards/swift-rfc-5322 at 0.7.4 (0.82s)
Fetching https://github.com/swift-standards/swift-rfc-1123
[1/595] Fetching swift-rfc-1123
Fetched https://github.com/swift-standards/swift-rfc-1123 (0.54s)
Computing version for https://github.com/swift-standards/swift-rfc-1123
Computed https://github.com/swift-standards/swift-rfc-1123 at 0.5.4 (0.73s)
Fetching https://github.com/swift-standards/swift-rfc-1035
[1/687] Fetching swift-rfc-1035
Fetched https://github.com/swift-standards/swift-rfc-1035 (0.57s)
Computing version for https://github.com/swift-standards/swift-rfc-1035
Computed https://github.com/swift-standards/swift-rfc-1035 at 0.4.5 (0.77s)
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-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/apple/swift-numerics
Fetching https://github.com/coenttb/swift-testing-performance
[1/402] Fetching swift-testing-performance
[403/7042] Fetching swift-testing-performance, swift-numerics
Fetched https://github.com/coenttb/swift-testing-performance (0.61s)
Fetched https://github.com/apple/swift-numerics (0.61s)
[1/80067] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (3.03s)
Computing version for https://github.com/coenttb/swift-testing-performance
Computed https://github.com/coenttb/swift-testing-performance at 0.3.1 (3.24s)
Fetching https://github.com/coenttb/swift-memory-allocation
[1/424] Fetching swift-memory-allocation
Fetched https://github.com/coenttb/swift-memory-allocation (0.58s)
Computing version for https://github.com/coenttb/swift-memory-allocation
Computed https://github.com/coenttb/swift-memory-allocation at 0.2.0 (0.78s)
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 (0.17s)
Creating working copy for https://github.com/swift-standards/swift-rfc-1123
Working copy of https://github.com/swift-standards/swift-rfc-1123 resolved at 0.5.4
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-5322
Working copy of https://github.com/swift-standards/swift-rfc-5322 resolved at 0.7.4
Creating working copy for https://github.com/swift-standards/swift-rfc-1035
Working copy of https://github.com/swift-standards/swift-rfc-1035 resolved at 0.4.5
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
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/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
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/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 799]
[Planning deferred tasks]
[173 / 349]
[176 / 358] StandardsCollections
[182 / 385] StandardLibraryExtensions
[183 / 385] RealModule
[198 / 385] StandardsCollections
[198 / 385] Parsing
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[342 / 446] Region
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[359 / 475] Binary
[363 / 476] StandardTime-product
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[386 / 478] Binary
error: SwiftCompile normal aarch64 /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:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/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 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[388 / 478] Binary
error: Build failed
BUILD FAILURE 6.4 android