fix: don't hard-error on unreadable messages

src/handler.rs

@@ -261,7 +261,15 @@ impl EventHandler for Handler {
     /// window, then Galileo will respond instructing the user to wait longer.
     async fn message(&self, ctx: Context, message: Message) {
         // Check whether we should proceed.
-        let message_info = MessageInfo::new(&message, &ctx).unwrap();
+        let message_info = match MessageInfo::new(&message, &ctx) {
+            Ok(m) => m,
+            Err(e) => {
+                // We can't return an error, but we also can't proceed, so log the error
+                // and early-return to bail out.
+                tracing::error!(%e, "failed to get message info for message");
+                return;
+            }
+        };
         if !self.should_send(&ctx, &message_info).await {
             return;
         }

src/tracing.rs

@@ -1,8 +1,12 @@
+use std::io::IsTerminal as _;
 use tracing_subscriber::{prelude::*, EnvFilter};
 
 /// Initializes a tracing subscriber.
 pub(crate) fn init_subscriber() -> anyhow::Result<()> {
-    let fmt_layer = tracing_subscriber::fmt::layer().with_target(true);
+    let fmt_layer = tracing_subscriber::fmt::layer()
+        .with_target(true)
+        .with_ansi(std::io::stderr().is_terminal())
+        .with_writer(std::io::stderr);
     let filter_layer = EnvFilter::try_from_default_env()
         .or_else(|_| EnvFilter::try_new("info"))?
         // Force disabling of r1cs log messages, otherwise the `ark-groth16` crate