Remarks emitted by command plugins are dropped

[owenv]

Is it reproducible with SwiftPM command-line tools: swift build, swift test, swift package etc?

• Confirmed reproduction steps with SwiftPM CLI. The description text must include reproduction steps with either of command-line SwiftPM commands, swift build, swift test, swift package etc.

Description

Remarks emitted by command plugins using Diagnostics.emit(.remark, "This is a remark") are dropped, whereas the error and note behaviors print to the console

Expected behavior

Remarks should be printed to the console in addition to the other diagnostic types

Actual behavior

No response

Steps to reproduce

• Create a command plugin from the builtin template
• add Diagnostics.emit(.remark, "This is a remark") to performCommand
• try applying the plugin to another package - remarks will not be printed
• Diagnostics.emit(.warning, "This is a warning") to performCommand
• The resulting warning is printed

Swift Package Manager version/commit hash

6.0

Swift & OS version (output of swift --version ; uname -a)

Apple Swift 6.0