Display the port that was resolved, not configured.

Cargo.toml

@@ -39,3 +39,6 @@ members = [
   "examples/raw_sqlite",
   "examples/hello_tls",
 ]
+
+[replace]
+"hyper:0.10.8" = { git = 'https://github.com/SergioBenitez/hyper', branch = "0.10.x" }

lib/Cargo.toml

@@ -22,7 +22,6 @@ tls = ["rustls", "hyper-rustls"]
 term-painter = "0.2"
 log = "0.3"
 url = "1"
-hyper = { version = "0.10.4", default-features = false }
 toml = { version = "0.2", default-features = false }
 num_cpus = "1"
 state = "0.2.1"
@@ -35,6 +34,12 @@ pear_codegen = "0.0.8"
 rustls = { version = "0.5.8", optional = true }
 cookie = { version = "0.7.4", features = ["percent-encode", "secure"] }
 
+[dependencies.hyper]
+git = "https://github.com/SergioBenitez/hyper"
+branch = "0.10.x"
+version = "0.10.4"
+default-features = false
+
 [dependencies.hyper-rustls]
 git = "https://github.com/SergioBenitez/hyper-rustls"
 default-features = false

lib/src/error.rs

@@ -130,6 +130,13 @@ impl From<hyper::Error> for LaunchError {
     }
 }
 
+impl From<io::Error> for LaunchError {
+    #[inline]
+    fn from(error: io::Error) -> LaunchError {
+        LaunchError::new(LaunchErrorKind::Io(error))
+    }
+}
+
 impl fmt::Display for LaunchErrorKind {
     #[inline]
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {

lib/src/rocket.rs

@@ -601,15 +601,20 @@ impl Rocket {
 
         let full_addr = format!("{}:{}", self.config.address, self.config.port);
         serve!(self, &full_addr, |server, proto| {
-            let server = match server {
+            let mut server = match server {
                 Ok(server) => server,
                 Err(e) => return LaunchError::from(e)
             };
 
+            let (addr, port) = match server.local_addr() {
+                Ok(server_addr) => (&self.config.address, server_addr.port()),
+                Err(e) => return LaunchError::from(e)
+            };
+
             launch_info!("🚀  {} {}{}",
                   White.paint("Rocket has launched from"),
                   White.bold().paint(proto),
-                  White.bold().paint(&full_addr));
+                  White.bold().paint(&format!("{}:{}", addr, port)));
 
             let threads = self.config.workers as usize;
             if let Err(e) = server.handle_threads(self, threads) {