Replace manual Debug impl with educe in tor-chanmgr

Cargo.lock

@@ -3124,6 +3124,7 @@ version = "0.1.0"
 dependencies = [
  "async-trait",
  "derive_more",
+ "educe",
  "float_eq",
  "futures",
  "futures-await-test",
@@ -3131,6 +3132,7 @@ dependencies = [
  "postage",
  "rand 0.8.5",
  "thiserror",
+ "tor-bytes",
  "tor-error",
  "tor-linkspec",
  "tor-llcrypto",

crates/tor-chanmgr/Cargo.toml

@@ -13,6 +13,7 @@ repository="https://gitlab.torproject.org/tpo/core/arti.git/"
 [features]
 
 [dependencies]
+tor-bytes = { path="../tor-bytes", version = "0.1.0"}
 tor-error = { path="../tor-error", version = "0.1.0"}
 tor-rtcompat = { path="../tor-rtcompat", version = "0.1.0"}
 tor-proto = { path="../tor-proto", version = "0.1.0"}
@@ -21,6 +22,7 @@ tor-llcrypto = { path="../tor-llcrypto", version = "0.1.0"}
 
 async-trait = "0.1.2"
 derive_more = "0.99"
+educe = "0.4.6"
 futures = "0.3.14"
 postage = { version = "0.4", default-features = false, features = ["futures-traits"] }
 rand = "0.8"

crates/tor-chanmgr/src/event.rs

@@ -1,12 +1,14 @@
 //! Code for exporting events from the channel manager.
 #![allow(dead_code, unreachable_pub)]
 
+use educe::Educe;
 use futures::{Stream, StreamExt};
 use postage::watch;
 use std::{
     fmt,
     time::{Duration, Instant},
 };
+use tor_bytes::skip_fmt;
 
 /// The status of our connection to the internet.
 #[derive(Default, Debug, Clone)]
@@ -122,21 +124,17 @@ impl fmt::Display for ConnStatus {
 /// Note that the bootstrap status is not monotonic: we might become less
 /// bootstrapped than we were before.  (For example, the internet could go
 /// down.)
-#[derive(Clone)]
+#[derive(Clone, Educe)]
+#[educe(Debug)]
 pub struct ConnStatusEvents {
     /// The receiver that implements this stream.
     ///
     /// (We wrap it in a new type here so that we can replace the implementation
     /// later on if we need to.)
+    #[educe(Debug(method = "skip_fmt"))]
     inner: watch::Receiver<ConnStatus>,
 }
 
-impl fmt::Debug for ConnStatusEvents {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("ConnStatusEvents").finish_non_exhaustive()
-    }
-}
-
 impl Stream for ConnStatusEvents {
     type Item = ConnStatus;
     fn poll_next(