Swift Package IndexBuild Information
Failed to build Swiplot, reference master (b79d49), with Swift 6.3 for Wasm on 11 Apr 2026 09:23:30 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/t-ae/swiplot.git
Reference: master
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/t-ae/swiplot
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at b79d49c Update for Swift4
Cloned https://github.com/t-ae/swiplot.git
Revision (git rev-parse @):
b79d49c76c54637a3a4cea8e7e22d26fc5cf8bd7
SUCCESS checkout https://github.com/t-ae/swiplot.git at master
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/t-ae/swiplot.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling Swiplot SingleLine.swift
[4/10] Compiling Swiplot Color.swift
[5/10] Compiling Swiplot LineStyle.swift
[6/10] Compiling Swiplot Graph3D.swift
[7/10] Compiling Swiplot Graph.swift
[8/10] Emitting module Swiplot
[9/10] Compiling Swiplot Plot.swift
/host/spi-builder-workspace/Sources/Plot.swift:11:23: error: cannot find 'Process' in scope
9 |
10 | public func plot(gnuplotPath: String? = nil) {
11 | let process = Process()
| `- error: cannot find 'Process' in scope
12 |
13 | if let gnuplotPath = gnuplotPath {
/host/spi-builder-workspace/Sources/Plot.swift:38:37: error: value of type 'FileHandle' has no member 'readabilityHandler'
36 | process.standardError = stderr
37 |
38 | stdout.fileHandleForReading.readabilityHandler = { h in
| `- error: value of type 'FileHandle' has no member 'readabilityHandler'
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
/host/spi-builder-workspace/Sources/Plot.swift:38:60: error: cannot infer type of closure parameter 'h' without a type annotation
36 | process.standardError = stderr
37 |
38 | stdout.fileHandleForReading.readabilityHandler = { h in
| `- error: cannot infer type of closure parameter 'h' without a type annotation
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
/host/spi-builder-workspace/Sources/Plot.swift:41:37: error: value of type 'FileHandle' has no member 'readabilityHandler'
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
41 | stderr.fileHandleForReading.readabilityHandler = { h in
| `- error: value of type 'FileHandle' has no member 'readabilityHandler'
42 | print(String(data: h.availableData, encoding: .utf8)!)
43 | }
/host/spi-builder-workspace/Sources/Plot.swift:41:60: error: cannot infer type of closure parameter 'h' without a type annotation
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
41 | stderr.fileHandleForReading.readabilityHandler = { h in
| `- error: cannot infer type of closure parameter 'h' without a type annotation
42 | print(String(data: h.availableData, encoding: .utf8)!)
43 | }
[10/10] Compiling Swiplot Plot3D.swift
/host/spi-builder-workspace/Sources/Plot3D.swift:11:23: error: cannot find 'Process' in scope
9 |
10 | public func plot(gnuplotPath: String? = nil) {
11 | let process = Process()
| `- error: cannot find 'Process' in scope
12 |
13 | if let gnuplotPath = gnuplotPath {
/host/spi-builder-workspace/Sources/Plot3D.swift:38:37: error: value of type 'FileHandle' has no member 'readabilityHandler'
36 | process.standardError = stderr
37 |
38 | stdout.fileHandleForReading.readabilityHandler = { h in
| `- error: value of type 'FileHandle' has no member 'readabilityHandler'
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
/host/spi-builder-workspace/Sources/Plot3D.swift:38:60: error: cannot infer type of closure parameter 'h' without a type annotation
36 | process.standardError = stderr
37 |
38 | stdout.fileHandleForReading.readabilityHandler = { h in
| `- error: cannot infer type of closure parameter 'h' without a type annotation
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
/host/spi-builder-workspace/Sources/Plot3D.swift:41:37: error: value of type 'FileHandle' has no member 'readabilityHandler'
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
41 | stderr.fileHandleForReading.readabilityHandler = { h in
| `- error: value of type 'FileHandle' has no member 'readabilityHandler'
42 | print(String(data: h.availableData, encoding: .utf8)!)
43 | }
/host/spi-builder-workspace/Sources/Plot3D.swift:41:60: error: cannot infer type of closure parameter 'h' without a type annotation
39 | print(String(data: h.availableData, encoding: .utf8)!)
40 | }
41 | stderr.fileHandleForReading.readabilityHandler = { h in
| `- error: cannot infer type of closure parameter 'h' without a type annotation
42 | print(String(data: h.availableData, encoding: .utf8)!)
43 | }
BUILD FAILURE 6.3 wasm