Derive Debug for Timeout and TimeoutToken

src/reactor/timeout.rs

@@ -18,6 +18,7 @@ use reactor::timeout_token::TimeoutToken;
 /// Note that timeouts are not intended for high resolution timers, but rather
 /// they will likely fire some granularity after the exact instant that they're
 /// otherwise indicated to fire at.
+#[derive(Debug)]
 pub struct Timeout {
     token: TimeoutToken,
     when: Instant,

src/reactor/timeout_token.rs

@@ -6,6 +6,7 @@ use futures::task;
 use reactor::{Message, Handle, Remote};
 
 /// A token that identifies an active timeout.
+#[derive(Debug)]
 pub struct TimeoutToken {
     token: usize,
 }