Nov 30 05:57:02.560 INFO checking breed/punnel against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:57:02.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 05:57:02.790 INFO [stdout] 7722960f2a66e00fef08cce76598cb775cdd095b7cb8eae199c1bc613d41f37c
Nov 30 05:57:02.790 INFO running `"docker" "start" "-a" "7722960f2a66e00fef08cce76598cb775cdd095b7cb8eae199c1bc613d41f37c"`
Nov 30 05:57:03.468 INFO [stderr] usermod: no changes
Nov 30 05:57:03.678 INFO [stderr]     Checking net2 v0.2.26
Nov 30 05:57:03.678 INFO [stderr]     Checking futures v0.1.7
Nov 30 05:57:03.679 INFO [stderr]     Checking nix v0.7.0
Nov 30 05:57:07.175 INFO [stderr]     Checking mio v0.6.2
Nov 30 05:57:08.456 INFO [stderr]     Checking tokio-core v0.1.3
Nov 30 05:57:09.808 INFO [stderr]     Checking punnel v0.1.0 (/source)
Nov 30 05:57:10.860 INFO [stderr] warning: unused import: `Shutdown`
Nov 30 05:57:10.860 INFO [stderr]   --> src/main.rs:11:52
Nov 30 05:57:10.860 INFO [stderr]    |
Nov 30 05:57:10.860 INFO [stderr] 11 | use std::net::{Ipv6Addr, SocketAddr, SocketAddrV6, Shutdown};
Nov 30 05:57:10.860 INFO [stderr]    |                                                    ^^^^^^^^
Nov 30 05:57:10.860 INFO [stderr]    |
Nov 30 05:57:10.860 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 05:57:10.860 INFO [stderr] 
Nov 30 05:57:10.860 INFO [stderr] warning: unused imports: `Codec`, `Framed`
Nov 30 05:57:10.860 INFO [stderr]   --> src/main.rs:13:26
Nov 30 05:57:10.860 INFO [stderr]    |
Nov 30 05:57:10.860 INFO [stderr] 13 | use tokio_core::io::{Io, Codec, Framed};
Nov 30 05:57:10.860 INFO [stderr]    |                          ^^^^^  ^^^^^^
Nov 30 05:57:10.860 INFO [stderr] 
Nov 30 05:57:10.928 INFO [stderr] warning: unused import: `Future`
Nov 30 05:57:10.928 INFO [stderr]  --> src/main.rs:7:15
Nov 30 05:57:10.928 INFO [stderr]   |
Nov 30 05:57:10.928 INFO [stderr] 7 | use futures::{Future, Sink};
Nov 30 05:57:10.928 INFO [stderr]   |               ^^^^^^
Nov 30 05:57:10.928 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `local_port`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:132:14
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 30 05:57:10.936 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_local_port` instead
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `server_host_port`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:132:38
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 30 05:57:10.936 INFO [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: consider using `_server_host_port` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `addr`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:162:53
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 162 |             Ok(listener.incoming().for_each(|(cnxn, addr)| {
Nov 30 05:57:10.936 INFO [stderr]     |                                                     ^^^^ help: consider using `_addr` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `connect_to_port`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:156:14
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 156 | fn do_server(connect_to_port: SocketAddr) {
Nov 30 05:57:10.936 INFO [stderr]     |              ^^^^^^^^^^^^^^^ help: consider using `_connect_to_port` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `sub_matches`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:197:25
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 197 |         ("client", Some(sub_matches)) => {
Nov 30 05:57:10.936 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `sub_matches`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:202:25
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.936 INFO [stderr] 202 |         ("server", Some(sub_matches)) => {
Nov 30 05:57:10.936 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `cnxn`
Nov 30 05:57:10.936 INFO [stderr]   --> src/main.rs:73:21
Nov 30 05:57:10.936 INFO [stderr]    |
Nov 30 05:57:10.936 INFO [stderr] 73 |         if let Some(cnxn) = self.connections.remove(&id) {
Nov 30 05:57:10.936 INFO [stderr]    |                     ^^^^ help: consider using `_cnxn` instead
Nov 30 05:57:10.936 INFO [stderr] 
Nov 30 05:57:10.936 INFO [stderr] warning: unused variable: `write_stream`
Nov 30 05:57:10.936 INFO [stderr]    --> src/main.rs:120:17
Nov 30 05:57:10.936 INFO [stderr]     |
Nov 30 05:57:10.937 INFO [stderr] 120 |             let write_stream = cnxn.clone();
Nov 30 05:57:10.937 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_write_stream` instead
Nov 30 05:57:10.937 INFO [stderr] 
Nov 30 05:57:10.937 INFO [stderr] warning: unused variable: `read_stream`
Nov 30 05:57:10.937 INFO [stderr]    --> src/main.rs:121:17
Nov 30 05:57:10.937 INFO [stderr]     |
Nov 30 05:57:10.937 INFO [stderr] 121 |             let read_stream = cnxn.clone();
Nov 30 05:57:10.937 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_read_stream` instead
Nov 30 05:57:10.937 INFO [stderr] 
Nov 30 05:57:10.937 INFO [stderr] warning: unused variable: `seq`
Nov 30 05:57:10.937 INFO [stderr]    --> src/main.rs:119:29
Nov 30 05:57:10.937 INFO [stderr]     |
Nov 30 05:57:10.937 INFO [stderr] 119 |         }).and_then(|(cnxn, seq)| {
Nov 30 05:57:10.937 INFO [stderr]     |                             ^^^ help: consider using `_seq` instead
Nov 30 05:57:10.937 INFO [stderr] 
Nov 30 05:57:10.937 INFO [stderr] warning: unused variable: `stream`
Nov 30 05:57:10.937 INFO [stderr]    --> src/main.rs:103:13
Nov 30 05:57:10.937 INFO [stderr]     |
Nov 30 05:57:10.937 INFO [stderr] 103 |         let stream = self.tunnel_stream.and_then(|connect_frame| {
Nov 30 05:57:10.937 INFO [stderr]     |             ^^^^^^ help: consider using `_stream` instead
Nov 30 05:57:10.937 INFO [stderr] 
Nov 30 05:57:10.937 INFO [stderr] warning: unused variable: `seq`
Nov 30 05:57:10.937 INFO [stderr]    --> src/main.rs:142:45
Nov 30 05:57:10.937 INFO [stderr]     |
Nov 30 05:57:10.937 INFO [stderr] 142 |             if let PunnelFrame::Connect{id, seq} = p {
Nov 30 05:57:10.937 INFO [stderr]     |                                             ^^^ help: try ignoring the field: `seq: _`
Nov 30 05:57:10.937 INFO [stderr] 
Nov 30 05:57:10.956 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:57:10.956 INFO [stderr]    --> src/main.rs:159:9
Nov 30 05:57:10.956 INFO [stderr]     |
Nov 30 05:57:10.956 INFO [stderr] 159 |     let mut local_port: SocketAddr = SocketAddr::V6(SocketAddrV6::new(get_inaddr_any(), 0, 0, 0));
Nov 30 05:57:10.956 INFO [stderr]     |         ----^^^^^^^^^^
Nov 30 05:57:10.956 INFO [stderr]     |         |
Nov 30 05:57:10.956 INFO [stderr]     |         help: remove this `mut`
Nov 30 05:57:10.956 INFO [stderr]     |
Nov 30 05:57:10.956 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 05:57:10.956 INFO [stderr] 
Nov 30 05:57:10.960 INFO [stderr] warning: unused import: `Shutdown`
Nov 30 05:57:10.960 INFO [stderr]   --> src/main.rs:11:52
Nov 30 05:57:10.960 INFO [stderr]    |
Nov 30 05:57:10.960 INFO [stderr] 11 | use std::net::{Ipv6Addr, SocketAddr, SocketAddrV6, Shutdown};
Nov 30 05:57:10.960 INFO [stderr]    |                                                    ^^^^^^^^
Nov 30 05:57:10.960 INFO [stderr]    |
Nov 30 05:57:10.960 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 05:57:10.960 INFO [stderr] 
Nov 30 05:57:10.960 INFO [stderr] warning: unused imports: `Codec`, `Framed`
Nov 30 05:57:10.960 INFO [stderr]   --> src/main.rs:13:26
Nov 30 05:57:10.960 INFO [stderr]    |
Nov 30 05:57:10.960 INFO [stderr] 13 | use tokio_core::io::{Io, Codec, Framed};
Nov 30 05:57:10.960 INFO [stderr]    |                          ^^^^^  ^^^^^^
Nov 30 05:57:10.960 INFO [stderr] 
Nov 30 05:57:10.967 INFO [stderr] warning: struct is never constructed: `ToBeAcked`
Nov 30 05:57:10.967 INFO [stderr]   --> src/main.rs:24:1
Nov 30 05:57:10.967 INFO [stderr]    |
Nov 30 05:57:10.967 INFO [stderr] 24 | struct ToBeAcked {
Nov 30 05:57:10.967 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:57:10.967 INFO [stderr]    |
Nov 30 05:57:10.967 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 05:57:10.967 INFO [stderr] 
Nov 30 05:57:10.967 INFO [stderr] warning: struct is never constructed: `Connection`
Nov 30 05:57:10.967 INFO [stderr]   --> src/main.rs:29:1
Nov 30 05:57:10.967 INFO [stderr]    |
Nov 30 05:57:10.967 INFO [stderr] 29 | struct Connection {
Nov 30 05:57:10.967 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.967 INFO [stderr] 
Nov 30 05:57:10.967 INFO [stderr] warning: struct is never constructed: `ConnectionRegistry`
Nov 30 05:57:10.967 INFO [stderr]   --> src/main.rs:36:1
Nov 30 05:57:10.967 INFO [stderr]    |
Nov 30 05:57:10.967 INFO [stderr] 36 | struct ConnectionRegistry {
Nov 30 05:57:10.967 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.967 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `register`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:43:5
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 43 |     fn register(&mut self, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 30 05:57:10.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `add`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:55:5
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 55 |     fn add(&mut self, id: u32, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 30 05:57:10.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `get_connection`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:68:5
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 68 |     fn get_connection(&self, id: u32) -> Option<&Arc<Connection>> {
Nov 30 05:57:10.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `close`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:72:5
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 72 |     fn close(&mut self, id: u32) {
Nov 30 05:57:10.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: struct is never constructed: `ConnectedConnection`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:79:1
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 79 | struct ConnectedConnection {
Nov 30 05:57:10.968 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `new`
Nov 30 05:57:10.968 INFO [stderr]   --> src/main.rs:87:5
Nov 30 05:57:10.968 INFO [stderr]    |
Nov 30 05:57:10.968 INFO [stderr] 87 | /     fn new(registry: Rc<ConnectionRegistry>,
Nov 30 05:57:10.968 INFO [stderr] 88 | |            tunnel_sink: BoxedPunnelFrameSink,
Nov 30 05:57:10.968 INFO [stderr] 89 | |            tunnel_stream: BoxedPunnelFrameStream,
Nov 30 05:57:10.968 INFO [stderr] 90 | |            handle: Arc<Handle>)
Nov 30 05:57:10.968 INFO [stderr] ...  |
Nov 30 05:57:10.968 INFO [stderr] 97 | |         }
Nov 30 05:57:10.968 INFO [stderr] 98 | |     }
Nov 30 05:57:10.968 INFO [stderr]    | |_____^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: method is never used: `tunnel`
Nov 30 05:57:10.968 INFO [stderr]    --> src/main.rs:100:5
Nov 30 05:57:10.968 INFO [stderr]     |
Nov 30 05:57:10.968 INFO [stderr] 100 |     fn tunnel(self) -> Result<(), io::Error> {
Nov 30 05:57:10.968 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: field is never used: `tunnel_sink`
Nov 30 05:57:10.968 INFO [stderr]    --> src/main.rs:135:5
Nov 30 05:57:10.968 INFO [stderr]     |
Nov 30 05:57:10.968 INFO [stderr] 135 |     tunnel_sink: BoxedPunnelFrameSink,
Nov 30 05:57:10.968 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: unused `futures::stream::AndThen` that must be used
Nov 30 05:57:10.968 INFO [stderr]    --> src/main.rs:141:9
Nov 30 05:57:10.968 INFO [stderr]     |
Nov 30 05:57:10.968 INFO [stderr] 141 | /         self.tunnel_stream.and_then(|p| {
Nov 30 05:57:10.968 INFO [stderr] 142 | |             if let PunnelFrame::Connect{id, seq} = p {
Nov 30 05:57:10.968 INFO [stderr] 143 | |                 if id == 0 {
Nov 30 05:57:10.968 INFO [stderr] 144 | |                     // create a new session
Nov 30 05:57:10.968 INFO [stderr] ...   |
Nov 30 05:57:10.968 INFO [stderr] 151 | |             }
Nov 30 05:57:10.968 INFO [stderr] 152 | |         });
Nov 30 05:57:10.968 INFO [stderr]     | |___________^
Nov 30 05:57:10.968 INFO [stderr]     |
Nov 30 05:57:10.968 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:57:10.968 INFO [stderr]     = note: streams do nothing unless polled
Nov 30 05:57:10.968 INFO [stderr] 
Nov 30 05:57:10.968 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:57:10.968 INFO [stderr]    --> src/main.rs:206:16
Nov 30 05:57:10.968 INFO [stderr]     |
Nov 30 05:57:10.968 INFO [stderr] 206 |         _ => { app.print_help(); }
Nov 30 05:57:10.969 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^
Nov 30 05:57:10.969 INFO [stderr]     |
Nov 30 05:57:10.969 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:57:10.969 INFO [stderr] 
Nov 30 05:57:11.016 INFO [stderr] warning: unused import: `Future`
Nov 30 05:57:11.016 INFO [stderr]  --> src/main.rs:7:15
Nov 30 05:57:11.016 INFO [stderr]   |
Nov 30 05:57:11.016 INFO [stderr] 7 | use futures::{Future, Sink};
Nov 30 05:57:11.016 INFO [stderr]   |               ^^^^^^
Nov 30 05:57:11.016 INFO [stderr] 
Nov 30 05:57:11.019 INFO [stderr] warning: unused variable: `local_port`
Nov 30 05:57:11.019 INFO [stderr]    --> src/main.rs:132:14
Nov 30 05:57:11.019 INFO [stderr]     |
Nov 30 05:57:11.019 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 30 05:57:11.019 INFO [stderr]     |              ^^^^^^^^^^ help: consider using `_local_port` instead
Nov 30 05:57:11.019 INFO [stderr]     |
Nov 30 05:57:11.019 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:57:11.019 INFO [stderr] 
Nov 30 05:57:11.019 INFO [stderr] warning: unused variable: `server_host_port`
Nov 30 05:57:11.019 INFO [stderr]    --> src/main.rs:132:38
Nov 30 05:57:11.019 INFO [stderr]     |
Nov 30 05:57:11.019 INFO [stderr] 132 | fn do_client(local_port: SocketAddr, server_host_port: SocketAddr) {}
Nov 30 05:57:11.019 INFO [stderr]     |                                      ^^^^^^^^^^^^^^^^ help: consider using `_server_host_port` instead
Nov 30 05:57:11.019 INFO [stderr] 
Nov 30 05:57:11.019 INFO [stderr] warning: unused variable: `addr`
Nov 30 05:57:11.019 INFO [stderr]    --> src/main.rs:162:53
Nov 30 05:57:11.019 INFO [stderr]     |
Nov 30 05:57:11.019 INFO [stderr] 162 |             Ok(listener.incoming().for_each(|(cnxn, addr)| {
Nov 30 05:57:11.019 INFO [stderr]     |                                                     ^^^^ help: consider using `_addr` instead
Nov 30 05:57:11.019 INFO [stderr] 
Nov 30 05:57:11.019 INFO [stderr] warning: unused variable: `connect_to_port`
Nov 30 05:57:11.019 INFO [stderr]    --> src/main.rs:156:14
Nov 30 05:57:11.019 INFO [stderr]     |
Nov 30 05:57:11.019 INFO [stderr] 156 | fn do_server(connect_to_port: SocketAddr) {
Nov 30 05:57:11.019 INFO [stderr]     |              ^^^^^^^^^^^^^^^ help: consider using `_connect_to_port` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `sub_matches`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:197:25
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 197 |         ("client", Some(sub_matches)) => {
Nov 30 05:57:11.020 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `sub_matches`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:202:25
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 202 |         ("server", Some(sub_matches)) => {
Nov 30 05:57:11.020 INFO [stderr]     |                         ^^^^^^^^^^^ help: consider using `_sub_matches` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `cnxn`
Nov 30 05:57:11.020 INFO [stderr]   --> src/main.rs:73:21
Nov 30 05:57:11.020 INFO [stderr]    |
Nov 30 05:57:11.020 INFO [stderr] 73 |         if let Some(cnxn) = self.connections.remove(&id) {
Nov 30 05:57:11.020 INFO [stderr]    |                     ^^^^ help: consider using `_cnxn` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `write_stream`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:120:17
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 120 |             let write_stream = cnxn.clone();
Nov 30 05:57:11.020 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_write_stream` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `read_stream`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:121:17
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 121 |             let read_stream = cnxn.clone();
Nov 30 05:57:11.020 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_read_stream` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `seq`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:119:29
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 119 |         }).and_then(|(cnxn, seq)| {
Nov 30 05:57:11.020 INFO [stderr]     |                             ^^^ help: consider using `_seq` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `stream`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:103:13
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 103 |         let stream = self.tunnel_stream.and_then(|connect_frame| {
Nov 30 05:57:11.020 INFO [stderr]     |             ^^^^^^ help: consider using `_stream` instead
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.020 INFO [stderr] warning: unused variable: `seq`
Nov 30 05:57:11.020 INFO [stderr]    --> src/main.rs:142:45
Nov 30 05:57:11.020 INFO [stderr]     |
Nov 30 05:57:11.020 INFO [stderr] 142 |             if let PunnelFrame::Connect{id, seq} = p {
Nov 30 05:57:11.020 INFO [stderr]     |                                             ^^^ help: try ignoring the field: `seq: _`
Nov 30 05:57:11.020 INFO [stderr] 
Nov 30 05:57:11.036 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:57:11.036 INFO [stderr]    --> src/main.rs:159:9
Nov 30 05:57:11.036 INFO [stderr]     |
Nov 30 05:57:11.036 INFO [stderr] 159 |     let mut local_port: SocketAddr = SocketAddr::V6(SocketAddrV6::new(get_inaddr_any(), 0, 0, 0));
Nov 30 05:57:11.036 INFO [stderr]     |         ----^^^^^^^^^^
Nov 30 05:57:11.036 INFO [stderr]     |         |
Nov 30 05:57:11.036 INFO [stderr]     |         help: remove this `mut`
Nov 30 05:57:11.036 INFO [stderr]     |
Nov 30 05:57:11.037 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 05:57:11.037 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: struct is never constructed: `ToBeAcked`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:24:1
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 24 | struct ToBeAcked {
Nov 30 05:57:11.045 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: struct is never constructed: `Connection`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:29:1
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 29 | struct Connection {
Nov 30 05:57:11.045 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: struct is never constructed: `ConnectionRegistry`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:36:1
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 36 | struct ConnectionRegistry {
Nov 30 05:57:11.045 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `register`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:43:5
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 43 |     fn register(&mut self, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 30 05:57:11.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `add`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:55:5
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 55 |     fn add(&mut self, id: u32, tcp_stream: TcpStream) -> Arc<Connection> {
Nov 30 05:57:11.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `get_connection`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:68:5
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 68 |     fn get_connection(&self, id: u32) -> Option<&Arc<Connection>> {
Nov 30 05:57:11.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `close`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:72:5
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 72 |     fn close(&mut self, id: u32) {
Nov 30 05:57:11.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: struct is never constructed: `ConnectedConnection`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:79:1
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 79 | struct ConnectedConnection {
Nov 30 05:57:11.045 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `new`
Nov 30 05:57:11.045 INFO [stderr]   --> src/main.rs:87:5
Nov 30 05:57:11.045 INFO [stderr]    |
Nov 30 05:57:11.045 INFO [stderr] 87 | /     fn new(registry: Rc<ConnectionRegistry>,
Nov 30 05:57:11.045 INFO [stderr] 88 | |            tunnel_sink: BoxedPunnelFrameSink,
Nov 30 05:57:11.045 INFO [stderr] 89 | |            tunnel_stream: BoxedPunnelFrameStream,
Nov 30 05:57:11.045 INFO [stderr] 90 | |            handle: Arc<Handle>)
Nov 30 05:57:11.045 INFO [stderr] ...  |
Nov 30 05:57:11.045 INFO [stderr] 97 | |         }
Nov 30 05:57:11.045 INFO [stderr] 98 | |     }
Nov 30 05:57:11.045 INFO [stderr]    | |_____^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: method is never used: `tunnel`
Nov 30 05:57:11.045 INFO [stderr]    --> src/main.rs:100:5
Nov 30 05:57:11.045 INFO [stderr]     |
Nov 30 05:57:11.045 INFO [stderr] 100 |     fn tunnel(self) -> Result<(), io::Error> {
Nov 30 05:57:11.045 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.045 INFO [stderr] 
Nov 30 05:57:11.045 INFO [stderr] warning: field is never used: `tunnel_sink`
Nov 30 05:57:11.045 INFO [stderr]    --> src/main.rs:135:5
Nov 30 05:57:11.046 INFO [stderr]     |
Nov 30 05:57:11.046 INFO [stderr] 135 |     tunnel_sink: BoxedPunnelFrameSink,
Nov 30 05:57:11.046 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.046 INFO [stderr] 
Nov 30 05:57:11.046 INFO [stderr] warning: unused `futures::stream::AndThen` that must be used
Nov 30 05:57:11.046 INFO [stderr]    --> src/main.rs:141:9
Nov 30 05:57:11.046 INFO [stderr]     |
Nov 30 05:57:11.046 INFO [stderr] 141 | /         self.tunnel_stream.and_then(|p| {
Nov 30 05:57:11.046 INFO [stderr] 142 | |             if let PunnelFrame::Connect{id, seq} = p {
Nov 30 05:57:11.046 INFO [stderr] 143 | |                 if id == 0 {
Nov 30 05:57:11.046 INFO [stderr] 144 | |                     // create a new session
Nov 30 05:57:11.046 INFO [stderr] ...   |
Nov 30 05:57:11.046 INFO [stderr] 151 | |             }
Nov 30 05:57:11.046 INFO [stderr] 152 | |         });
Nov 30 05:57:11.046 INFO [stderr]     | |___________^
Nov 30 05:57:11.046 INFO [stderr]     |
Nov 30 05:57:11.046 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 05:57:11.046 INFO [stderr]     = note: streams do nothing unless polled
Nov 30 05:57:11.046 INFO [stderr] 
Nov 30 05:57:11.046 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:57:11.046 INFO [stderr]    --> src/main.rs:206:16
Nov 30 05:57:11.046 INFO [stderr]     |
Nov 30 05:57:11.046 INFO [stderr] 206 |         _ => { app.print_help(); }
Nov 30 05:57:11.046 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^
Nov 30 05:57:11.046 INFO [stderr]     |
Nov 30 05:57:11.046 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:57:11.046 INFO [stderr] 
Nov 30 05:57:11.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
Nov 30 05:57:11.066 INFO [stderr] su: No module specific data is present
Nov 30 05:57:11.354 INFO running `"docker" "inspect" "7722960f2a66e00fef08cce76598cb775cdd095b7cb8eae199c1bc613d41f37c"`
Nov 30 05:57:11.468 INFO running `"docker" "rm" "-f" "7722960f2a66e00fef08cce76598cb775cdd095b7cb8eae199c1bc613d41f37c"`
Nov 30 05:57:11.577 INFO [stdout] 7722960f2a66e00fef08cce76598cb775cdd095b7cb8eae199c1bc613d41f37c