Swift Package IndexBuild Information
Failed to build swift-msgpack, reference 1.4.0 (a84a5e), with Swift 6.1 for Wasm on 21 Aug 2026 16:46:30 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/maltzsama/swift-msgpack.git
Reference: 1.4.0
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/maltzsama/swift-msgpack
* tag 1.4.0 -> FETCH_HEAD
HEAD is now at a84a5eb Merge branch 'develop' — release 1.4.0
Cloned https://github.com/maltzsama/swift-msgpack.git
Revision (git rev-parse @):
a84a5eb5dc4e967606abc72546d1f22bfa93a06e
SUCCESS checkout https://github.com/maltzsama/swift-msgpack.git at 1.4.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/maltzsama/swift-msgpack.git
https://github.com/maltzsama/swift-msgpack.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$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: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
Fetching https://github.com/nicklockwood/SwiftFormat
[1/58200] Fetching swiftformat
Fetched https://github.com/nicklockwood/SwiftFormat from cache (16.56s)
Computing version for https://github.com/nicklockwood/SwiftFormat
Computed https://github.com/nicklockwood/SwiftFormat at 0.53.8 (17.50s)
Creating working copy for https://github.com/nicklockwood/SwiftFormat
Working copy of https://github.com/nicklockwood/SwiftFormat resolved at 0.53.8
[1/1] Compiling plugin SwiftFormatPlugin
Building for debugging...
[1/14] Write sources
[5/14] Write swift-version-24593BA9C3E375BF.txt
[7/30] Compiling MsgpackBaselineV1 MsgPackTimestamp.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
[8/30] Compiling SwiftMsgpack MsgPackScanner.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
[9/30] Compiling SwiftMsgpack MsgPackRawValue.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
[10/30] Compiling SwiftMsgpack MsgPackTimestamp.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
[11/30] Compiling MsgpackBaselineV1 MsgPackLazyValue.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
[12/30] Compiling MsgpackBaselineV1 MsgPackEncoder.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
[13/30] Compiling MsgpackBaselineV1 MsgPackDecoder.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
[14/30] Compiling MsgpackBaselineV1 AnyCodable.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
[15/30] Emitting module MsgpackBaselineV1
<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
[16/30] Compiling MsgpackBaselineV1 MsgPackRawValue.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
[17/30] Compiling MsgpackBaselineV1 MsgPackScanner.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
[18/31] Compiling SwiftMsgpack MsgPackLazyValue.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
[19/31] Emitting module SwiftMsgpack
<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
[20/31] Compiling SwiftMsgpack MsgPackDecoder.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
[21/31] Compiling SwiftMsgpack MsgPackEncoder.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
[22/31] Compiling SwiftMsgpack AnyCodable.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
[24/32] Wrapping AST for MsgpackBaselineV1 for debugging
[25/32] Wrapping AST for SwiftMsgpack for debugging
[27/38] Compiling example main.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
[28/38] Emitting module example
<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
[30/39] Compiling bench main.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/Benchmarks/main.swift:16:21: error: cannot find 'DispatchTime' in scope
14 | var best = Double.greatestFiniteMagnitude
15 | for _ in 0 ..< trials {
16 | let start = DispatchTime.now().uptimeNanoseconds
| `- error: cannot find 'DispatchTime' in scope
17 | _ = try body()
18 | let elapsed = Double(DispatchTime.now().uptimeNanoseconds - start)
/host/spi-builder-workspace/Benchmarks/main.swift:18:30: error: cannot find 'DispatchTime' in scope
16 | let start = DispatchTime.now().uptimeNanoseconds
17 | _ = try body()
18 | let elapsed = Double(DispatchTime.now().uptimeNanoseconds - start)
| `- error: cannot find 'DispatchTime' in scope
19 | best = min(best, elapsed)
20 | }
[31/39] Emitting module bench
<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
[31/39] Wrapping AST for example for debugging
[32/39] Write Objects.LinkFileList
[34/39] Compiling bench DataGen.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
[35/39] Compiling bench Fixtures.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
[35/39] Linking example.wasm
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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: sha256:290f441d1f5b7bf0dbbe61e8b7514208804cdcb507d57b3c762463ad036298f7
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin SwiftFormatPlugin
Building for debugging...
[1/10] Write swift-version-24593BA9C3E375BF.txt
[3/26] Compiling MsgpackBaselineV1 MsgPackTimestamp.swift
[4/26] Emitting module SwiftMsgpack
[5/26] Compiling SwiftMsgpack MsgPackTimestamp.swift
[6/26] Compiling SwiftMsgpack MsgPackLazyValue.swift
[7/26] Compiling SwiftMsgpack MsgPackScanner.swift
[8/26] Compiling SwiftMsgpack MsgPackRawValue.swift
[9/26] Compiling MsgpackBaselineV1 MsgPackScanner.swift
[10/26] Compiling MsgpackBaselineV1 MsgPackRawValue.swift
[11/26] Compiling MsgpackBaselineV1 MsgPackLazyValue.swift
[12/26] Compiling SwiftMsgpack AnyCodable.swift
[13/26] Compiling SwiftMsgpack MsgPackDecoder.swift
[14/26] Compiling SwiftMsgpack MsgPackEncoder.swift
[15/27] Emitting module MsgpackBaselineV1
[16/27] Compiling MsgpackBaselineV1 MsgPackDecoder.swift
[17/27] Compiling MsgpackBaselineV1 MsgPackEncoder.swift
[18/27] Compiling MsgpackBaselineV1 AnyCodable.swift
[21/32] Emitting module example
[22/32] Compiling example main.swift
[23/32] Write Objects.LinkFileList
[25/32] Compiling bench DataGen.swift
[26/32] Emitting module bench
[27/32] Compiling bench Fixtures.swift
[28/32] Compiling bench main.swift
/host/spi-builder-workspace/Benchmarks/main.swift:16:21: error: cannot find 'DispatchTime' in scope
14 | var best = Double.greatestFiniteMagnitude
15 | for _ in 0 ..< trials {
16 | let start = DispatchTime.now().uptimeNanoseconds
| `- error: cannot find 'DispatchTime' in scope
17 | _ = try body()
18 | let elapsed = Double(DispatchTime.now().uptimeNanoseconds - start)
/host/spi-builder-workspace/Benchmarks/main.swift:18:30: error: cannot find 'DispatchTime' in scope
16 | let start = DispatchTime.now().uptimeNanoseconds
17 | _ = try body()
18 | let elapsed = Double(DispatchTime.now().uptimeNanoseconds - start)
| `- error: cannot find 'DispatchTime' in scope
19 | best = min(best, elapsed)
20 | }
wasm-ld: warning: /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/wasi/lib_FoundationCollections.a: archive member '_FoundationCollections.autolink' is neither Wasm object file nor LLVM bitcode
wasm-ld: warning: /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/wasi/lib_FoundationCollections.a: archive member '_FoundationCollections.autolink' is neither Wasm object file nor LLVM bitcode
wasm-ld: warning: /root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/wasm32-unknown-wasi/swift.xctoolchain/usr/lib/swift_static/wasi/lib_FoundationCollections.a: archive member '_FoundationCollections.autolink' is neither Wasm object file nor LLVM bitcode
[28/32] Linking example.wasm
BUILD FAILURE 6.1 wasm