Build Information
Failed to build swift-displaywidth, reference 0.2.0 (76dd45), with Swift 6.1 for Wasm on 29 Sep 2026 08:09:49 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ainame/swift-displaywidth.git
Reference: 0.2.0
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
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at 76dd45f Prepare 0.2.0 release
Cloned https://github.com/ainame/swift-displaywidth.git
Revision (git rev-parse @):
76dd45f36c6fda21e6ad05fb4613df001e91109e
SUCCESS checkout https://github.com/ainame/swift-displaywidth.git at 0.2.0
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Build
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Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ainame/swift-displaywidth.git
https://github.com/ainame/swift-displaywidth.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:beceeede496da67681f4fa220a6b97cc098a0178841a413735f598dc6bbaf4c8
Status: Image is up to date for registry.gitlab.com/saguaro1/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
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[5/16] Emitting module Generate
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[6/16] Compiling Generate Command.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/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 | }
[7/16] Compiling DisplayWidth GeneralCategory.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[8/16] Compiling DisplayWidth EastAsianWidthAttribute.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[9/16] Compiling DisplayWidth DisplayWidth.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
[10/16] Compiling DisplayWidth BinarySearch.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:beceeede496da67681f4fa220a6b97cc098a0178841a413735f598dc6bbaf4c8
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/4] Write swift-version-24593BA9C3E375BF.txt
[2/14] Compiling DisplayWidth UnicodeData.swift
[3/14] Compiling DisplayWidth EastAsianWidthAttribute.swift
[4/14] Compiling DisplayWidth GeneralCategory.swift
[5/14] Emitting module Generate
[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
BUILD FAILURE 6.1 wasm