Nov 28 08:24:22.210 INFO checking breed/punnel against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:24:22.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 08:24:22.634 INFO [stdout] f84ec2d2fcccea34eb5d829b4633b3e9ab00f7e832106e8eb04702bcfa57aee8
Nov 28 08:24:22.634 INFO running `"docker" "start" "-a" "f84ec2d2fcccea34eb5d829b4633b3e9ab00f7e832106e8eb04702bcfa57aee8"`
Nov 28 08:24:23.356 INFO [stderr] usermod: no changes
Nov 28 08:24:23.451 INFO [stderr]     Checking futures v0.1.7
Nov 28 08:24:23.457 INFO [stderr]     Checking nix v0.7.0
Nov 28 08:24:27.201 INFO [stderr]     Checking mio v0.6.2
Nov 28 08:24:28.615 INFO [stderr]     Checking tokio-core v0.1.3
Nov 28 08:24:29.999 INFO [stderr]     Checking punnel v0.1.0 (/source)
Nov 28 08:24:31.048 INFO [stderr] warning: unused import: `Shutdown`
Nov 28 08:24:31.049 INFO [stderr]   --> src/main.rs:11:52
Nov 28 08:24:31.049 INFO [stderr]    |
Nov 28 08:24:31.052 INFO [stderr] 11 | use std::net::{Ipv6Addr, SocketAddr, SocketAddrV6, Shutdown};
Nov 28 08:24:31.053 INFO [stderr]    |                                                    ^^^^^^^^
Nov 28 08:24:31.053 INFO [stderr]    |
Nov 28 08:24:31.053 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 08:24:31.053 INFO [stderr] 
Nov 28 08:24:31.053 INFO [stderr] warning: unused imports: `Codec`, `Framed`
Nov 28 08:24:31.053 INFO [stderr]   --> src/main.rs:13:26
Nov 28 08:24:31.054 INFO [stderr]    |
Nov 28 08:24:31.054 INFO [stderr] 13 | use tokio_core::io::{Io, Codec, Framed};
Nov 28 08:24:31.054 INFO [stderr]    |                          ^^^^^  ^^^^^^
Nov 28 08:24:31.054 INFO [stderr] 
Nov 28 08:24:31.142 INFO [stderr] warning: unused import: `Future`
Nov 28 08:24:31.142 INFO [stderr]  --> src/main.rs:7:15
Nov 28 08:24:31.143 INFO [stderr]   |
Nov 28 08:24:31.143 INFO [stderr] 7 | use futures::{Future, Sink};
Nov 28 08:24:31.143 INFO [stderr]   |               ^^^^^^
Nov 28 08:24:31.143 INFO [stderr] 
Nov 28 08:24:31.165 INFO [stderr] warning: unused variable: `local_port`
Nov 28 08:24:31.166 INFO [stderr]    --> src/main.rs:132:14
Nov 28 08:24:31.166 INFO [stderr]     |
Nov 28 08:24:31.166 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 28 08:24:31.166 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_local_port` instead
Nov 28 08:24:31.166 INFO [stderr]     |
Nov 28 08:24:31.166 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 08:24:31.167 INFO [stderr] 
Nov 28 08:24:31.167 INFO [stderr] warning: unused variable: `server_host_port`
Nov 28 08:24:31.167 INFO [stderr]    --> src/main.rs:132:38
Nov 28 08:24:31.167 INFO [stderr]     |
Nov 28 08:24:31.167 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 28 08:24:31.168 INFO [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: consider using `_server_host_port` instead
Nov 28 08:24:31.168 INFO [stderr] 
Nov 28 08:24:31.168 INFO [stderr] warning: unused variable: `addr`
Nov 28 08:24:31.168 INFO [stderr]    --> src/main.rs:162:53
Nov 28 08:24:31.168 INFO [stderr]     |
Nov 28 08:24:31.168 INFO [stderr] 162 |             Ok(listener.incoming().for_each(|(cnxn, addr)| {
Nov 28 08:24:31.168 INFO [stderr]     |                                                     ^^^^ help: consider using `_addr` instead
Nov 28 08:24:31.169 INFO [stderr] 
Nov 28 08:24:31.169 INFO [stderr] warning: unused variable: `connect_to_port`
Nov 28 08:24:31.169 INFO [stderr]    --> src/main.rs:156:14
Nov 28 08:24:31.169 INFO [stderr]     |
Nov 28 08:24:31.169 INFO [stderr] 156 | fn do_server(connect_to_port: SocketAddr) {
Nov 28 08:24:31.169 INFO [stderr]     |              ^^^^^^^^^^^^^^^ help: consider using `_connect_to_port` instead
Nov 28 08:24:31.169 INFO [stderr] 
Nov 28 08:24:31.170 INFO [stderr] warning: unused variable: `sub_matches`
Nov 28 08:24:31.170 INFO [stderr]    --> src/main.rs:197:25
Nov 28 08:24:31.170 INFO [stderr]     |
Nov 28 08:24:31.170 INFO [stderr] 197 |         ("client", Some(sub_matches)) => {
Nov 28 08:24:31.170 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 28 08:24:31.170 INFO [stderr] 
Nov 28 08:24:31.170 INFO [stderr] warning: unused variable: `sub_matches`
Nov 28 08:24:31.171 INFO [stderr]    --> src/main.rs:202:25
Nov 28 08:24:31.171 INFO [stderr]     |
Nov 28 08:24:31.171 INFO [stderr] 202 |         ("server", Some(sub_matches)) => {
Nov 28 08:24:31.171 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 28 08:24:31.171 INFO [stderr] 
Nov 28 08:24:31.171 INFO [stderr] warning: unused variable: `cnxn`
Nov 28 08:24:31.172 INFO [stderr]   --> src/main.rs:73:21
Nov 28 08:24:31.172 INFO [stderr]    |
Nov 28 08:24:31.172 INFO [stderr] 73 |         if let Some(cnxn) = self.connections.remove(&id) {
Nov 28 08:24:31.172 INFO [stderr]    |                     ^^^^ help: consider using `_cnxn` instead
Nov 28 08:24:31.172 INFO [stderr] 
Nov 28 08:24:31.172 INFO [stderr] warning: unused variable: `write_stream`
Nov 28 08:24:31.172 INFO [stderr]    --> src/main.rs:120:17
Nov 28 08:24:31.173 INFO [stderr]     |
Nov 28 08:24:31.173 INFO [stderr] 120 |             let write_stream = cnxn.clone();
Nov 28 08:24:31.173 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_write_stream` instead
Nov 28 08:24:31.173 INFO [stderr] 
Nov 28 08:24:31.173 INFO [stderr] warning: unused variable: `read_stream`
Nov 28 08:24:31.173 INFO [stderr]    --> src/main.rs:121:17
Nov 28 08:24:31.173 INFO [stderr]     |
Nov 28 08:24:31.173 INFO [stderr] 121 |             let read_stream = cnxn.clone();
Nov 28 08:24:31.174 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_read_stream` instead
Nov 28 08:24:31.174 INFO [stderr] 
Nov 28 08:24:31.174 INFO [stderr] warning: unused variable: `seq`
Nov 28 08:24:31.174 INFO [stderr]    --> src/main.rs:119:29
Nov 28 08:24:31.174 INFO [stderr]     |
Nov 28 08:24:31.174 INFO [stderr] 119 |         }).and_then(|(cnxn, seq)| {
Nov 28 08:24:31.174 INFO [stderr]     |                             ^^^ help: consider using `_seq` instead
Nov 28 08:24:31.174 INFO [stderr] 
Nov 28 08:24:31.175 INFO [stderr] warning: unused variable: `stream`
Nov 28 08:24:31.175 INFO [stderr]    --> src/main.rs:103:13
Nov 28 08:24:31.175 INFO [stderr]     |
Nov 28 08:24:31.175 INFO [stderr] 103 |         let stream = self.tunnel_stream.and_then(|connect_frame| {
Nov 28 08:24:31.175 INFO [stderr]     |             ^^^^^^ help: consider using `_stream` instead
Nov 28 08:24:31.175 INFO [stderr] 
Nov 28 08:24:31.175 INFO [stderr] warning: unused variable: `seq`
Nov 28 08:24:31.176 INFO [stderr]    --> src/main.rs:142:45
Nov 28 08:24:31.176 INFO [stderr]     |
Nov 28 08:24:31.176 INFO [stderr] 142 |             if let PunnelFrame::Connect{id, seq} = p {
Nov 28 08:24:31.180 INFO [stderr]     |                                             ^^^ help: try ignoring the field: `seq: _`
Nov 28 08:24:31.180 INFO [stderr] 
Nov 28 08:24:31.208 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:24:31.209 INFO [stderr]    --> src/main.rs:159:9
Nov 28 08:24:31.209 INFO [stderr]     |
Nov 28 08:24:31.209 INFO [stderr] 159 |     let mut local_port: SocketAddr = SocketAddr::V6(SocketAddrV6::new(get_inaddr_any(), 0, 0, 0));
Nov 28 08:24:31.209 INFO [stderr]     |         ----^^^^^^^^^^
Nov 28 08:24:31.209 INFO [stderr]     |         |
Nov 28 08:24:31.209 INFO [stderr]     |         help: remove this `mut`
Nov 28 08:24:31.210 INFO [stderr]     |
Nov 28 08:24:31.210 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 08:24:31.210 INFO [stderr] 
Nov 28 08:24:31.224 INFO [stderr] warning: struct is never constructed: `ToBeAcked`
Nov 28 08:24:31.224 INFO [stderr]   --> src/main.rs:24:1
Nov 28 08:24:31.225 INFO [stderr]    |
Nov 28 08:24:31.225 INFO [stderr] 24 | struct ToBeAcked {
Nov 28 08:24:31.225 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 08:24:31.225 INFO [stderr]    |
Nov 28 08:24:31.225 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:24:31.225 INFO [stderr] 
Nov 28 08:24:31.226 INFO [stderr] warning: struct is never constructed: `Connection`
Nov 28 08:24:31.226 INFO [stderr]   --> src/main.rs:29:1
Nov 28 08:24:31.226 INFO [stderr]    |
Nov 28 08:24:31.226 INFO [stderr] 29 | struct Connection {
Nov 28 08:24:31.226 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.226 INFO [stderr] 
Nov 28 08:24:31.227 INFO [stderr] warning: struct is never constructed: `ConnectionRegistry`
Nov 28 08:24:31.227 INFO [stderr]   --> src/main.rs:36:1
Nov 28 08:24:31.227 INFO [stderr]    |
Nov 28 08:24:31.227 INFO [stderr] 36 | struct ConnectionRegistry {
Nov 28 08:24:31.227 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.227 INFO [stderr] 
Nov 28 08:24:31.228 INFO [stderr] warning: method is never used: `register`
Nov 28 08:24:31.228 INFO [stderr]   --> src/main.rs:43:5
Nov 28 08:24:31.228 INFO [stderr]    |
Nov 28 08:24:31.228 INFO [stderr] 43 |     fn register(&mut self, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 28 08:24:31.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.228 INFO [stderr] 
Nov 28 08:24:31.229 INFO [stderr] warning: method is never used: `add`
Nov 28 08:24:31.229 INFO [stderr]   --> src/main.rs:55:5
Nov 28 08:24:31.229 INFO [stderr]    |
Nov 28 08:24:31.229 INFO [stderr] 55 |     fn add(&mut self, id: u32, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 28 08:24:31.229 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.229 INFO [stderr] 
Nov 28 08:24:31.229 INFO [stderr] warning: method is never used: `get_connection`
Nov 28 08:24:31.230 INFO [stderr]   --> src/main.rs:68:5
Nov 28 08:24:31.230 INFO [stderr]    |
Nov 28 08:24:31.230 INFO [stderr] 68 |     fn get_connection(&self, id: u32) -> Option<&Arc<Connection>> {
Nov 28 08:24:31.230 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.230 INFO [stderr] 
Nov 28 08:24:31.230 INFO [stderr] warning: method is never used: `close`
Nov 28 08:24:31.231 INFO [stderr]   --> src/main.rs:72:5
Nov 28 08:24:31.231 INFO [stderr]    |
Nov 28 08:24:31.231 INFO [stderr] 72 |     fn close(&mut self, id: u32) {
Nov 28 08:24:31.231 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.231 INFO [stderr] 
Nov 28 08:24:31.231 INFO [stderr] warning: struct is never constructed: `ConnectedConnection`
Nov 28 08:24:31.231 INFO [stderr]   --> src/main.rs:79:1
Nov 28 08:24:31.232 INFO [stderr]    |
Nov 28 08:24:31.232 INFO [stderr] 79 | struct ConnectedConnection {
Nov 28 08:24:31.232 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.232 INFO [stderr] 
Nov 28 08:24:31.232 INFO [stderr] warning: method is never used: `new`
Nov 28 08:24:31.232 INFO [stderr]   --> src/main.rs:87:5
Nov 28 08:24:31.233 INFO [stderr]    |
Nov 28 08:24:31.233 INFO [stderr] 87 | /     fn new(registry: Rc<ConnectionRegistry>,
Nov 28 08:24:31.233 INFO [stderr] 88 | |            tunnel_sink: BoxedPunnelFrameSink,
Nov 28 08:24:31.233 INFO [stderr] 89 | |            tunnel_stream: BoxedPunnelFrameStream,
Nov 28 08:24:31.233 INFO [stderr] 90 | |            handle: Arc<Handle>)
Nov 28 08:24:31.233 INFO [stderr] ...  |
Nov 28 08:24:31.233 INFO [stderr] 97 | |         }
Nov 28 08:24:31.234 INFO [stderr] 98 | |     }
Nov 28 08:24:31.234 INFO [stderr]    | |_____^
Nov 28 08:24:31.234 INFO [stderr] 
Nov 28 08:24:31.234 INFO [stderr] warning: method is never used: `tunnel`
Nov 28 08:24:31.234 INFO [stderr]    --> src/main.rs:100:5
Nov 28 08:24:31.234 INFO [stderr]     |
Nov 28 08:24:31.234 INFO [stderr] 100 |     fn tunnel(self) -> Result<(), io::Error> {
Nov 28 08:24:31.235 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.235 INFO [stderr] 
Nov 28 08:24:31.235 INFO [stderr] warning: field is never used: `tunnel_sink`
Nov 28 08:24:31.235 INFO [stderr]    --> src/main.rs:135:5
Nov 28 08:24:31.235 INFO [stderr]     |
Nov 28 08:24:31.235 INFO [stderr] 135 |     tunnel_sink: BoxedPunnelFrameSink,
Nov 28 08:24:31.235 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.235 INFO [stderr] 
Nov 28 08:24:31.236 INFO [stderr] warning: unused `futures::stream::AndThen` that must be used
Nov 28 08:24:31.236 INFO [stderr]    --> src/main.rs:141:9
Nov 28 08:24:31.236 INFO [stderr]     |
Nov 28 08:24:31.236 INFO [stderr] 141 | /         self.tunnel_stream.and_then(|p| {
Nov 28 08:24:31.236 INFO [stderr] 142 | |             if let PunnelFrame::Connect{id, seq} = p {
Nov 28 08:24:31.236 INFO [stderr] 143 | |                 if id == 0 {
Nov 28 08:24:31.236 INFO [stderr] 144 | |                     // create a new session
Nov 28 08:24:31.236 INFO [stderr] ...   |
Nov 28 08:24:31.237 INFO [stderr] 151 | |             }
Nov 28 08:24:31.237 INFO [stderr] 152 | |         });
Nov 28 08:24:31.237 INFO [stderr]     | |___________^
Nov 28 08:24:31.237 INFO [stderr]     |
Nov 28 08:24:31.237 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 08:24:31.237 INFO [stderr]     = note: streams do nothing unless polled
Nov 28 08:24:31.237 INFO [stderr] 
Nov 28 08:24:31.238 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:24:31.238 INFO [stderr]    --> src/main.rs:206:16
Nov 28 08:24:31.238 INFO [stderr]     |
Nov 28 08:24:31.238 INFO [stderr] 206 |         _ => { app.print_help(); }
Nov 28 08:24:31.238 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.238 INFO [stderr]     |
Nov 28 08:24:31.238 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:24:31.238 INFO [stderr] 
Nov 28 08:24:31.484 INFO [stderr] warning: unused import: `Shutdown`
Nov 28 08:24:31.485 INFO [stderr]   --> src/main.rs:11:52
Nov 28 08:24:31.485 INFO [stderr]    |
Nov 28 08:24:31.485 INFO [stderr] 11 | use std::net::{Ipv6Addr, SocketAddr, SocketAddrV6, Shutdown};
Nov 28 08:24:31.486 INFO [stderr]    |                                                    ^^^^^^^^
Nov 28 08:24:31.486 INFO [stderr]    |
Nov 28 08:24:31.486 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 08:24:31.486 INFO [stderr] 
Nov 28 08:24:31.487 INFO [stderr] warning: unused imports: `Codec`, `Framed`
Nov 28 08:24:31.487 INFO [stderr]   --> src/main.rs:13:26
Nov 28 08:24:31.487 INFO [stderr]    |
Nov 28 08:24:31.488 INFO [stderr] 13 | use tokio_core::io::{Io, Codec, Framed};
Nov 28 08:24:31.488 INFO [stderr]    |                          ^^^^^  ^^^^^^
Nov 28 08:24:31.488 INFO [stderr] 
Nov 28 08:24:31.555 INFO [stderr] warning: unused import: `Future`
Nov 28 08:24:31.555 INFO [stderr]  --> src/main.rs:7:15
Nov 28 08:24:31.555 INFO [stderr]   |
Nov 28 08:24:31.556 INFO [stderr] 7 | use futures::{Future, Sink};
Nov 28 08:24:31.556 INFO [stderr]   |               ^^^^^^
Nov 28 08:24:31.556 INFO [stderr] 
Nov 28 08:24:31.560 INFO [stderr] warning: unused variable: `local_port`
Nov 28 08:24:31.560 INFO [stderr]    --> src/main.rs:132:14
Nov 28 08:24:31.560 INFO [stderr]     |
Nov 28 08:24:31.561 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 28 08:24:31.561 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_local_port` instead
Nov 28 08:24:31.561 INFO [stderr]     |
Nov 28 08:24:31.562 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 08:24:31.562 INFO [stderr] 
Nov 28 08:24:31.562 INFO [stderr] warning: unused variable: `server_host_port`
Nov 28 08:24:31.563 INFO [stderr]    --> src/main.rs:132:38
Nov 28 08:24:31.563 INFO [stderr]     |
Nov 28 08:24:31.563 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 28 08:24:31.564 INFO [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: consider using `_server_host_port` instead
Nov 28 08:24:31.564 INFO [stderr] 
Nov 28 08:24:31.564 INFO [stderr] warning: unused variable: `addr`
Nov 28 08:24:31.565 INFO [stderr]    --> src/main.rs:162:53
Nov 28 08:24:31.565 INFO [stderr]     |
Nov 28 08:24:31.565 INFO [stderr] 162 |             Ok(listener.incoming().for_each(|(cnxn, addr)| {
Nov 28 08:24:31.566 INFO [stderr]     |                                                     ^^^^ help: consider using `_addr` instead
Nov 28 08:24:31.566 INFO [stderr] 
Nov 28 08:24:31.566 INFO [stderr] warning: unused variable: `connect_to_port`
Nov 28 08:24:31.567 INFO [stderr]    --> src/main.rs:156:14
Nov 28 08:24:31.567 INFO [stderr]     |
Nov 28 08:24:31.567 INFO [stderr] 156 | fn do_server(connect_to_port: SocketAddr) {
Nov 28 08:24:31.567 INFO [stderr]     |              ^^^^^^^^^^^^^^^ help: consider using `_connect_to_port` instead
Nov 28 08:24:31.568 INFO [stderr] 
Nov 28 08:24:31.568 INFO [stderr] warning: unused variable: `sub_matches`
Nov 28 08:24:31.568 INFO [stderr]    --> src/main.rs:197:25
Nov 28 08:24:31.569 INFO [stderr]     |
Nov 28 08:24:31.569 INFO [stderr] 197 |         ("client", Some(sub_matches)) => {
Nov 28 08:24:31.569 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 28 08:24:31.569 INFO [stderr] 
Nov 28 08:24:31.570 INFO [stderr] warning: unused variable: `sub_matches`
Nov 28 08:24:31.570 INFO [stderr]    --> src/main.rs:202:25
Nov 28 08:24:31.570 INFO [stderr]     |
Nov 28 08:24:31.570 INFO [stderr] 202 |         ("server", Some(sub_matches)) => {
Nov 28 08:24:31.571 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 28 08:24:31.571 INFO [stderr] 
Nov 28 08:24:31.571 INFO [stderr] warning: unused variable: `cnxn`
Nov 28 08:24:31.571 INFO [stderr]   --> src/main.rs:73:21
Nov 28 08:24:31.572 INFO [stderr]    |
Nov 28 08:24:31.572 INFO [stderr] 73 |         if let Some(cnxn) = self.connections.remove(&id) {
Nov 28 08:24:31.572 INFO [stderr]    |                     ^^^^ help: consider using `_cnxn` instead
Nov 28 08:24:31.573 INFO [stderr] 
Nov 28 08:24:31.573 INFO [stderr] warning: unused variable: `write_stream`
Nov 28 08:24:31.573 INFO [stderr]    --> src/main.rs:120:17
Nov 28 08:24:31.574 INFO [stderr]     |
Nov 28 08:24:31.574 INFO [stderr] 120 |             let write_stream = cnxn.clone();
Nov 28 08:24:31.574 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_write_stream` instead
Nov 28 08:24:31.574 INFO [stderr] 
Nov 28 08:24:31.575 INFO [stderr] warning: unused variable: `read_stream`
Nov 28 08:24:31.575 INFO [stderr]    --> src/main.rs:121:17
Nov 28 08:24:31.575 INFO [stderr]     |
Nov 28 08:24:31.576 INFO [stderr] 121 |             let read_stream = cnxn.clone();
Nov 28 08:24:31.576 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_read_stream` instead
Nov 28 08:24:31.576 INFO [stderr] 
Nov 28 08:24:31.577 INFO [stderr] warning: unused variable: `seq`
Nov 28 08:24:31.577 INFO [stderr]    --> src/main.rs:119:29
Nov 28 08:24:31.577 INFO [stderr]     |
Nov 28 08:24:31.577 INFO [stderr] 119 |         }).and_then(|(cnxn, seq)| {
Nov 28 08:24:31.578 INFO [stderr]     |                             ^^^ help: consider using `_seq` instead
Nov 28 08:24:31.578 INFO [stderr] 
Nov 28 08:24:31.578 INFO [stderr] warning: unused variable: `stream`
Nov 28 08:24:31.578 INFO [stderr]    --> src/main.rs:103:13
Nov 28 08:24:31.579 INFO [stderr]     |
Nov 28 08:24:31.579 INFO [stderr] 103 |         let stream = self.tunnel_stream.and_then(|connect_frame| {
Nov 28 08:24:31.579 INFO [stderr]     |             ^^^^^^ help: consider using `_stream` instead
Nov 28 08:24:31.579 INFO [stderr] 
Nov 28 08:24:31.580 INFO [stderr] warning: unused variable: `seq`
Nov 28 08:24:31.580 INFO [stderr]    --> src/main.rs:142:45
Nov 28 08:24:31.580 INFO [stderr]     |
Nov 28 08:24:31.581 INFO [stderr] 142 |             if let PunnelFrame::Connect{id, seq} = p {
Nov 28 08:24:31.581 INFO [stderr]     |                                             ^^^ help: try ignoring the field: `seq: _`
Nov 28 08:24:31.581 INFO [stderr] 
Nov 28 08:24:31.592 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:24:31.593 INFO [stderr]    --> src/main.rs:159:9
Nov 28 08:24:31.593 INFO [stderr]     |
Nov 28 08:24:31.593 INFO [stderr] 159 |     let mut local_port: SocketAddr = SocketAddr::V6(SocketAddrV6::new(get_inaddr_any(), 0, 0, 0));
Nov 28 08:24:31.594 INFO [stderr]     |         ----^^^^^^^^^^
Nov 28 08:24:31.594 INFO [stderr]     |         |
Nov 28 08:24:31.594 INFO [stderr]     |         help: remove this `mut`
Nov 28 08:24:31.595 INFO [stderr]     |
Nov 28 08:24:31.595 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 08:24:31.595 INFO [stderr] 
Nov 28 08:24:31.604 INFO [stderr] warning: struct is never constructed: `ToBeAcked`
Nov 28 08:24:31.604 INFO [stderr]   --> src/main.rs:24:1
Nov 28 08:24:31.604 INFO [stderr]    |
Nov 28 08:24:31.604 INFO [stderr] 24 | struct ToBeAcked {
Nov 28 08:24:31.604 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 08:24:31.604 INFO [stderr]    |
Nov 28 08:24:31.604 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 08:24:31.604 INFO [stderr] 
Nov 28 08:24:31.604 INFO [stderr] warning: struct is never constructed: `Connection`
Nov 28 08:24:31.604 INFO [stderr]   --> src/main.rs:29:1
Nov 28 08:24:31.604 INFO [stderr]    |
Nov 28 08:24:31.604 INFO [stderr] 29 | struct Connection {
Nov 28 08:24:31.604 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.604 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: struct is never constructed: `ConnectionRegistry`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:36:1
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 36 | struct ConnectionRegistry {
Nov 28 08:24:31.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: method is never used: `register`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:43:5
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 43 |     fn register(&mut self, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 28 08:24:31.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: method is never used: `add`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:55:5
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 55 |     fn add(&mut self, id: u32, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 28 08:24:31.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: method is never used: `get_connection`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:68:5
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 68 |     fn get_connection(&self, id: u32) -> Option<&Arc<Connection>> {
Nov 28 08:24:31.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: method is never used: `close`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:72:5
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 72 |     fn close(&mut self, id: u32) {
Nov 28 08:24:31.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: struct is never constructed: `ConnectedConnection`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:79:1
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 79 | struct ConnectedConnection {
Nov 28 08:24:31.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.608 INFO [stderr] warning: method is never used: `new`
Nov 28 08:24:31.608 INFO [stderr]   --> src/main.rs:87:5
Nov 28 08:24:31.608 INFO [stderr]    |
Nov 28 08:24:31.608 INFO [stderr] 87 | /     fn new(registry: Rc<ConnectionRegistry>,
Nov 28 08:24:31.608 INFO [stderr] 88 | |            tunnel_sink: BoxedPunnelFrameSink,
Nov 28 08:24:31.608 INFO [stderr] 89 | |            tunnel_stream: BoxedPunnelFrameStream,
Nov 28 08:24:31.608 INFO [stderr] 90 | |            handle: Arc<Handle>)
Nov 28 08:24:31.608 INFO [stderr] ...  |
Nov 28 08:24:31.608 INFO [stderr] 97 | |         }
Nov 28 08:24:31.608 INFO [stderr] 98 | |     }
Nov 28 08:24:31.608 INFO [stderr]    | |_____^
Nov 28 08:24:31.608 INFO [stderr] 
Nov 28 08:24:31.609 INFO [stderr] warning: method is never used: `tunnel`
Nov 28 08:24:31.609 INFO [stderr]    --> src/main.rs:100:5
Nov 28 08:24:31.609 INFO [stderr]     |
Nov 28 08:24:31.609 INFO [stderr] 100 |     fn tunnel(self) -> Result<(), io::Error> {
Nov 28 08:24:31.609 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.609 INFO [stderr] 
Nov 28 08:24:31.609 INFO [stderr] warning: field is never used: `tunnel_sink`
Nov 28 08:24:31.609 INFO [stderr]    --> src/main.rs:135:5
Nov 28 08:24:31.609 INFO [stderr]     |
Nov 28 08:24:31.609 INFO [stderr] 135 |     tunnel_sink: BoxedPunnelFrameSink,
Nov 28 08:24:31.609 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.609 INFO [stderr] 
Nov 28 08:24:31.616 INFO [stderr] warning: unused `futures::stream::AndThen` that must be used
Nov 28 08:24:31.616 INFO [stderr]    --> src/main.rs:141:9
Nov 28 08:24:31.616 INFO [stderr]     |
Nov 28 08:24:31.616 INFO [stderr] 141 | /         self.tunnel_stream.and_then(|p| {
Nov 28 08:24:31.616 INFO [stderr] 142 | |             if let PunnelFrame::Connect{id, seq} = p {
Nov 28 08:24:31.616 INFO [stderr] 143 | |                 if id == 0 {
Nov 28 08:24:31.616 INFO [stderr] 144 | |                     // create a new session
Nov 28 08:24:31.616 INFO [stderr] ...   |
Nov 28 08:24:31.616 INFO [stderr] 151 | |             }
Nov 28 08:24:31.616 INFO [stderr] 152 | |         });
Nov 28 08:24:31.616 INFO [stderr]     | |___________^
Nov 28 08:24:31.616 INFO [stderr]     |
Nov 28 08:24:31.616 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 08:24:31.616 INFO [stderr]     = note: streams do nothing unless polled
Nov 28 08:24:31.616 INFO [stderr] 
Nov 28 08:24:31.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 08:24:31.616 INFO [stderr]    --> src/main.rs:206:16
Nov 28 08:24:31.616 INFO [stderr]     |
Nov 28 08:24:31.616 INFO [stderr] 206 |         _ => { app.print_help(); }
Nov 28 08:24:31.616 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^
Nov 28 08:24:31.616 INFO [stderr]     |
Nov 28 08:24:31.616 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 08:24:31.616 INFO [stderr] 
Nov 28 08:24:31.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
Nov 28 08:24:31.649 INFO [stderr] su: No module specific data is present
Nov 28 08:24:32.318 INFO running `"docker" "inspect" "f84ec2d2fcccea34eb5d829b4633b3e9ab00f7e832106e8eb04702bcfa57aee8"`
Nov 28 08:24:32.459 INFO running `"docker" "rm" "-f" "f84ec2d2fcccea34eb5d829b4633b3e9ab00f7e832106e8eb04702bcfa57aee8"`
Nov 28 08:24:32.556 INFO [stdout] f84ec2d2fcccea34eb5d829b4633b3e9ab00f7e832106e8eb04702bcfa57aee8