Swift Package Index

Build Information

Failed to build PaletteKit, reference main (c9c02d), with Swift 6.1 for Linux on 1 May 2026 18:15:57 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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/2dubu/PaletteKit.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/2dubu/PaletteKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c9c02da library and doc cleanup (v1.2)  (#2)
Cloned https://github.com/2dubu/PaletteKit.git
Revision (git rev-parse @):
c9c02da1247004411202d094ae288545c9f602be
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/2dubu/PaletteKit.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/2dubu/PaletteKit.git
https://github.com/2dubu/PaletteKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/22] Emitting module PaletteKit
<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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[4/24] Compiling PaletteKit Logging.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[5/24] Compiling PaletteKit MetalContext.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[6/24] Compiling PaletteKit PaletteExtractor.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[7/24] Compiling PaletteKit BatchConversion.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[8/24] Compiling PaletteKit OKLCHConversion.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[9/24] Compiling PaletteKit PaletteError.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[10/24] Compiling PaletteKit RGB.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[11/24] Compiling PaletteKit PaletteKit.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[12/24] Compiling PaletteKit Swatch.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[13/24] Compiling PaletteKit SwatchClassifier.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[14/24] Compiling PaletteKit PaletteBuilder.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[15/24] Compiling PaletteKit PixelSampler.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[16/24] Compiling PaletteKit MetalMmcqQuantizer.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[17/24] Compiling PaletteKit MmcqQuantizer.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[18/24] Compiling PaletteKit Quantizer.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[19/24] Compiling PaletteKit Palette.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[20/24] Compiling PaletteKit PaletteColor+SwiftUI.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[21/24] Compiling PaletteKit PaletteColor.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[22/24] Compiling PaletteKit ImageSource.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[23/24] Compiling PaletteKit PixelLoader.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[24/24] Compiling PaletteKit Options.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/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/21] Compiling PaletteKit PaletteError.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[3/21] Compiling PaletteKit RGB.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[4/21] Compiling PaletteKit PaletteKit.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/23] Emitting module PaletteKit
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[6/23] Compiling PaletteKit MmcqQuantizer.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[7/23] Compiling PaletteKit Quantizer.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[8/23] Compiling PaletteKit Logging.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[9/23] Compiling PaletteKit MetalContext.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[10/23] Compiling PaletteKit PaletteBuilder.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[11/23] Compiling PaletteKit PixelSampler.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[12/23] Compiling PaletteKit MetalMmcqQuantizer.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[13/23] Compiling PaletteKit Palette.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[14/23] Compiling PaletteKit PaletteColor+SwiftUI.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[15/23] Compiling PaletteKit PaletteColor.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[16/23] Compiling PaletteKit PaletteExtractor.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[17/23] Compiling PaletteKit BatchConversion.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[18/23] Compiling PaletteKit OKLCHConversion.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[19/23] Compiling PaletteKit Swatch.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[20/23] Compiling PaletteKit SwatchClassifier.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[21/23] Compiling PaletteKit ImageSource.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[22/23] Compiling PaletteKit PixelLoader.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
[23/23] Compiling PaletteKit Options.swift
/host/spi-builder-workspace/Sources/PaletteKit/API/PaletteExtractor.swift:1:8: error: no such module 'CoreGraphics'
  1 | import CoreGraphics
    |        `- error: no such module 'CoreGraphics'
  2 | import Foundation
  3 |
BUILD FAILURE 6.1 linux