[INFO] updating cached repository bqv/carbon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bqv/carbon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bqv/carbon" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bqv/carbon"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bqv/carbon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bqv/carbon" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bqv/carbon"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bqv/carbon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 290a5532d1f667e5ba7a18dc4bdc3959293773e8
[INFO] sha for GitHub repo bqv/carbon: 290a5532d1f667e5ba7a18dc4bdc3959293773e8
[INFO] validating manifest of bqv/carbon on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bqv/carbon on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bqv/carbon
[INFO] finished frobbing bqv/carbon
[INFO] frobbed toml for bqv/carbon written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bqv/carbon/Cargo.toml
[INFO] started frobbing bqv/carbon
[INFO] finished frobbing bqv/carbon
[INFO] frobbed toml for bqv/carbon written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bqv/carbon/Cargo.toml
[INFO] crate bqv/carbon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bqv/carbon against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bqv/carbon:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5fd65da892204d5539e97791ee3061088c5ea6809824f4b1306e68b2daedde5e
[INFO] running `"docker" "start" "-a" "5fd65da892204d5539e97791ee3061088c5ea6809824f4b1306e68b2daedde5e"`
[INFO] [stderr]     Checking carbon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `RPL_WELCOME` should have an upper camel case name
[INFO] [stderr]   --> src/irc/message.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     RPL_WELCOME(String),
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RplWelcome`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/irc/client.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stderr]  --> src/bouncer/mod.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RPL_WELCOME` should have an upper camel case name
[INFO] [stderr]   --> src/irc/message.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     RPL_WELCOME(String),
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RplWelcome`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/irc/client.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stderr]  --> src/bouncer/mod.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stderr]  --> src/bouncer/threadworker.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bouncer/mod.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         Err(err) => {
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readthread`
[INFO] [stderr]   --> src/bouncer/mod.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let readthread = thread::Builder::new().name(readthreadname).spawn(move || {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_readthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bouncer/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(err) => {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sendthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let sendthread = thread::Builder::new().name(sendthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_sendthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bouncer/mod.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pingthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let pingthread = thread::Builder::new().name(pingthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_pingthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bouncer/mod.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 let readthread = thread::Builder::new().name(readthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_readthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sendthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 let sendthread = thread::Builder::new().name(sendthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_sendthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pingthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:165:25
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     let pingthread = thread::Builder::new().name(pingthreadname).spawn(move || {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_pingthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/bouncer/mod.rs:183:31
[INFO] [stderr]     |
[INFO] [stderr] 183 |             Command::PONG(ref param) => {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/bouncer/mod.rs:282:31
[INFO] [stderr]     |
[INFO] [stderr] 282 |             Command::PONG(ref param) => {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bouncer/threadworker.rs:120:21
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut userdata = self.userdata.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut channels = self.channels.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/irc/server.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let mut ping_active = self.ping_active.clone();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut userdata = self.userdata.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut channels = self.channels.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/irc/client.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut ping_active = self.ping_active.clone();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bouncer/mod.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         Err(err) => {
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readthread`
[INFO] [stderr]   --> src/bouncer/mod.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let readthread = thread::Builder::new().name(readthreadname).spawn(move || {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_readthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/bouncer/mod.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Err(err) => {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sendthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 let sendthread = thread::Builder::new().name(sendthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_sendthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bouncer/mod.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pingthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let pingthread = thread::Builder::new().name(pingthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_pingthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/bouncer/mod.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Err(err) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `readthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 let readthread = thread::Builder::new().name(readthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_readthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sendthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 let sendthread = thread::Builder::new().name(sendthreadname).spawn(move || {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_sendthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pingthread`
[INFO] [stderr]    --> src/bouncer/mod.rs:165:25
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     let pingthread = thread::Builder::new().name(pingthreadname).spawn(move || {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_pingthread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/bouncer/mod.rs:183:31
[INFO] [stderr]     |
[INFO] [stderr] 183 |             Command::PONG(ref param) => {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]    --> src/bouncer/mod.rs:282:31
[INFO] [stderr]     |
[INFO] [stderr] 282 |             Command::PONG(ref param) => {
[INFO] [stderr]     |                               ^^^^^ help: consider prefixing with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bouncer/threadworker.rs:120:21
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bouncer/threadworker.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Ok(mut iter) = self.conn.read() {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bouncer/threadworker.rs:91:19
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if let Ok(mut iter) = self.conn.read() {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_hostmask`
[INFO] [stderr]    --> src/irc/message.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn read_hostmask(hostmask: &str) -> Hostmask {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `username`
[INFO] [stderr]   --> src/irc/server.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     username: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hostname`
[INFO] [stderr]   --> src/irc/server.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     hostname: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `realname`
[INFO] [stderr]   --> src/irc/server.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     realname: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_userdata`
[INFO] [stderr]   --> src/irc/server.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn set_userdata(&mut self, username: String, hostname: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hostmask`
[INFO] [stderr]   --> src/irc/server.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn hostmask(&self) -> Hostmask {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_nick`
[INFO] [stderr]   --> src/irc/client.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_nick(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/irc/server.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             self.send(string);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/irc/client.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             self.send(string);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     self.conn.send(string);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 self.tx.send(Event::ServerRead(self.conn.id(), Message::from_string(line.as_str())));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 self.tx.send(Event::ClientRead(self.conn.id(), Message::from_string(line.as_str())));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/threadworker.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     self.eventtx.send(Event::AcceptConn(Arc::new(Mutex::new(stream))));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/mod.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 | /                 thread::Builder::new().name("LISTEN".to_string()).spawn(move || {
[INFO] [stderr] 44 | |                     threadworker::Listener::new(listener, listeneventtx).work();
[INFO] [stderr] 45 | |                 });
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     sendtx.send(Message::user(Hostmask::None, server_clone.config.nick.as_str(), "carbon").to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     sendtx.send(Message::nick(Hostmask::None, server_clone.config.nick.as_str()).to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             sendtx.send(Message::pass(Hostmask::None, pass).to_string());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 |         self.srvsendtxs[id].send(line);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |         self.clntsendtxs[id].send(line);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut userdata = self.userdata.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/server.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut channels = self.channels.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/irc/server.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let mut ping_active = self.ping_active.clone();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut userdata = self.userdata.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut nick = self.nick.lock().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/irc/client.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut channels = self.channels.lock().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/irc/client.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut ping_active = self.ping_active.clone();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bouncer/threadworker.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Ok(mut iter) = self.conn.read() {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bouncer/threadworker.rs:91:19
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if let Ok(mut iter) = self.conn.read() {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_hostmask`
[INFO] [stderr]    --> src/irc/message.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn read_hostmask(hostmask: &str) -> Hostmask {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `username`
[INFO] [stderr]   --> src/irc/server.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     username: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hostname`
[INFO] [stderr]   --> src/irc/server.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     hostname: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `realname`
[INFO] [stderr]   --> src/irc/server.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     realname: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_userdata`
[INFO] [stderr]   --> src/irc/server.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn set_userdata(&mut self, username: String, hostname: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hostmask`
[INFO] [stderr]   --> src/irc/server.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn hostmask(&self) -> Hostmask {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_nick`
[INFO] [stderr]   --> src/irc/client.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_nick(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/irc/server.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             self.send(string);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/irc/client.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             self.send(string);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     self.conn.send(string);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 self.tx.send(Event::ServerRead(self.conn.id(), Message::from_string(line.as_str())));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/threadworker.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 self.tx.send(Event::ClientRead(self.conn.id(), Message::from_string(line.as_str())));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/threadworker.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     self.eventtx.send(Event::AcceptConn(Arc::new(Mutex::new(stream))));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bouncer/mod.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 | /                 thread::Builder::new().name("LISTEN".to_string()).spawn(move || {
[INFO] [stderr] 44 | |                     threadworker::Listener::new(listener, listeneventtx).work();
[INFO] [stderr] 45 | |                 });
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     sendtx.send(Message::user(Hostmask::None, server_clone.config.nick.as_str(), "carbon").to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     sendtx.send(Message::nick(Hostmask::None, server_clone.config.nick.as_str()).to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             sendtx.send(Message::pass(Hostmask::None, pass).to_string());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 |         self.srvsendtxs[id].send(line);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bouncer/mod.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 |         self.clntsendtxs[id].send(line);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "5fd65da892204d5539e97791ee3061088c5ea6809824f4b1306e68b2daedde5e"`
[INFO] running `"docker" "rm" "-f" "5fd65da892204d5539e97791ee3061088c5ea6809824f4b1306e68b2daedde5e"`
[INFO] [stdout] 5fd65da892204d5539e97791ee3061088c5ea6809824f4b1306e68b2daedde5e