Only the first log handler is triggered when logging to Puppy with multiple handlers

[thisisaaronland]

Using Puppy in a swift-log context with multiple handlers (console and file rotation) only the first handler added to a Puppy instance is invoked. For example:

https://github.com/sfomuseum/swift-image-emboss-grpc/blob/main/Scripts/image-emboss-grpc-server/Server.swift#L48-L73

The ordering of the handlers does not seem to matter. If I add the console handler first then messages are logged to the console but not the file handler (though the file is created) and vice versa.

This particular application has a somewhat convoluted logging setup necessitated by the steps required to pass metadata (in this case a remote address property) in a gRPC server context and the need to create a custom swift-log wrapper that can be updated (with the remote address metadata) and not trigger compiler warnings which necessitates making the wrapper @unchecked Sendable.

https://github.com/sfomuseum/swift-image-emboss-grpc/blob/main/Sources/ImageEmbossGRPC/Interceptors.swift
https://github.com/sfomuseum/swift-image-emboss-grpc/blob/main/Sources/ImageEmbossGRPC/Logger.swift
https://github.com/sfomuseum/swift-image-emboss-grpc/blob/main/Sources/ImageEmbossGRPC/Embosser.swift#L21

I don't think that's the problem but I am also not super familiar with Sendable yet. I am pretty sure I doing everything as explained in the docs but maybe I am missing something?

Thanks,