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Build Information

Failed to build swift-displaywidth, reference main (1ed7a5), with Swift 6.1 for Wasm on 9 Apr 2026 21:09:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ainame/swift-displaywidth.git
Reference: main
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/ainame/swift-displaywidth
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1ed7a54 Refine 0.1.0 changelog from PRs
Cloned https://github.com/ainame/swift-displaywidth.git
Revision (git rev-parse @):
1ed7a54cc70bce6c6fab56e60ef0a386ba8816f7
SUCCESS checkout https://github.com/ainame/swift-displaywidth.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ainame/swift-displaywidth.git
https://github.com/ainame/swift-displaywidth.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-displaywidth",
  "name" : "swift-displaywidth",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    },
    {
      "name" : "tvos",
      "version" : "16.0"
    },
    {
      "name" : "watchos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "DisplayWidth",
      "targets" : [
        "DisplayWidth"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "generate",
      "targets" : [
        "Generate"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Generate",
      "module_type" : "SwiftTarget",
      "name" : "Generate",
      "path" : "Sources/Generate",
      "product_memberships" : [
        "generate"
      ],
      "sources" : [
        "Command.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "DisplayWidthTests",
      "module_type" : "SwiftTarget",
      "name" : "DisplayWidthTests",
      "path" : "Tests/DisplayWidthTests",
      "sources" : [
        "DisplayWidthTests.swift"
      ],
      "target_dependencies" : [
        "DisplayWidth"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DisplayWidth",
      "module_type" : "SwiftTarget",
      "name" : "DisplayWidth",
      "path" : "Sources/DisplayWidth",
      "product_memberships" : [
        "DisplayWidth"
      ],
      "sources" : [
        "BinarySearch.swift",
        "DisplayWidth.swift",
        "EastAsianWidthAttribute.swift",
        "GeneralCategory.swift",
        "LocaleAwareDisplayWidth.swift",
        "UnicodeData.generated.swift",
        "UnicodeData.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Building for debugging...
[0/6] Write sources
[2/6] Write swift-version-24593BA9C3E375BF.txt
[4/16] Compiling DisplayWidth UnicodeData.swift
[5/16] Compiling DisplayWidth BinarySearch.swift
[6/16] Emitting module Generate
[7/16] Compiling Generate Command.swift
/host/spi-builder-workspace/Sources/Generate/Command.swift:46:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 44 |     static func downloadEastAsianWidth() async throws -> Data {
 45 |         let url = URL(string: "https://unicode.org/Public/\(unicodeVersion)/ucd/EastAsianWidth.txt")!
 46 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 47 |         return data
 48 |     }
/host/spi-builder-workspace/Sources/Generate/Command.swift:52:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 50 |     static func downloadUnicodeData() async throws -> Data {
 51 |         let url = URL(string: "https://unicode.org/Public/\(unicodeVersion)/ucd/UnicodeData.txt")!
 52 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 53 |         return data
 54 |     }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/4] Write swift-version-24593BA9C3E375BF.txt
[2/14] Emitting module Generate
[3/14] Compiling DisplayWidth EastAsianWidthAttribute.swift
[4/14] Compiling DisplayWidth GeneralCategory.swift
[5/14] Compiling DisplayWidth UnicodeData.swift
[6/14] Compiling Generate Command.swift
/host/spi-builder-workspace/Sources/Generate/Command.swift:46:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 44 |     static func downloadEastAsianWidth() async throws -> Data {
 45 |         let url = URL(string: "https://unicode.org/Public/\(unicodeVersion)/ucd/EastAsianWidth.txt")!
 46 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 47 |         return data
 48 |     }
/host/spi-builder-workspace/Sources/Generate/Command.swift:52:46: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 50 |     static func downloadUnicodeData() async throws -> Data {
 51 |         let url = URL(string: "https://unicode.org/Public/\(unicodeVersion)/ucd/UnicodeData.txt")!
 52 |         let (data, _) = try await URLSession.shared.data(from: url)
    |                                              `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
 53 |         return data
 54 |     }
[7/14] Compiling DisplayWidth BinarySearch.swift
[8/14] Compiling DisplayWidth LocaleAwareDisplayWidth.swift
BUILD FAILURE 6.1 wasm