message: [Libra Swarm] Display IO errors specifically rather than simply displaying the error type.
  Closes:
diff: @@ -236,7 +236,7 @@ pub enum SwarmLaunchFailure {
  /// Timeout while waiting for the nodes to report that they're all interconnected
  #[error("Node connectivity check timeout")]
  ConnectivityTimeout,
  - #[error("IO Error")]
  + #[error("IO Error: {0}")]
  IoError(#[from] io::Error),
  }
  