warning: field is never read: `watermarks`
  --> rumqttlog/src/router/router.rs:54:5
   |
54 |     watermarks: HashMap<Topic, Vec<Offset>>,
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

    Finished release [optimized] target(s) in 0.08s
     Running `/home/tekjar/Workspace/rumq/target/release/examples/routernxn`
write.pb. File size = 976, Throughput = 1506 MB/s
Id = 11, Total size = 1024000000
Id = 12, Total size = 1024000000
Id = 13, Total size = 1024000000
Id = 14, Total size = 1024000000
read.pb. File size = 3906, Throughput = 12723 MB/s