[INFO] updating cached repository synlestidae/rustirc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/synlestidae/rustirc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/synlestidae/rustirc" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/synlestidae/rustirc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/synlestidae/rustirc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/synlestidae/rustirc" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/synlestidae/rustirc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/synlestidae/rustirc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32d8fe9f7900c75f1bd2655c81db1d8302090f3c
[INFO] sha for GitHub repo synlestidae/rustirc: 32d8fe9f7900c75f1bd2655c81db1d8302090f3c
[INFO] validating manifest of synlestidae/rustirc 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 synlestidae/rustirc 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 synlestidae/rustirc
[INFO] finished frobbing synlestidae/rustirc
[INFO] frobbed toml for synlestidae/rustirc written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/synlestidae/rustirc/Cargo.toml
[INFO] started frobbing synlestidae/rustirc
[INFO] finished frobbing synlestidae/rustirc
[INFO] frobbed toml for synlestidae/rustirc written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/synlestidae/rustirc/Cargo.toml
[INFO] crate synlestidae/rustirc 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] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/synlestidae/rustirc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 synlestidae/rustirc against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/synlestidae/rustirc:/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4185c4d2bf74bab4c5a36b102d7a226f3d0ed653969e4c664015200b25774ebd
[INFO] running `"docker" "start" "-a" "4185c4d2bf74bab4c5a36b102d7a226f3d0ed653969e4c664015200b25774ebd"`
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking rustirc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]  --> src/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufRead};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::mpsc::Sender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`, `Read`
[INFO] [stderr]  --> src/main_loop.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufRead, BufReader, BufWriter, Write, Read};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]   --> src/main_loop.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::net::{SocketAddr};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/main_loop.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `nick_message`, `user_message`
[INFO] [stderr]   --> src/main_loop.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use message_util::{nick_message, user_message};
[INFO] [stderr]    |                    ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/everything_handler.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/everything_handler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`
[INFO] [stderr]  --> src/everything_handler.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufRead, BufReader, BufWriter, Write, Read};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/everything_handler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToSocketAddrs`
[INFO] [stderr]  --> src/everything_handler.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::net::{ToSocketAddrs};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/everything_handler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> src/everything_handler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf; 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]   --> src/everything_handler.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::net::{SocketAddr};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/everything_handler.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromStr`
[INFO] [stderr]   --> src/everything_handler.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::str::{FromStr};
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::IntoIterator`
[INFO] [stderr]   --> src/everything_handler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::iter::IntoIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/message.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 if (i != 0) {
[INFO] [stderr]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 if (i + 1 == self.parameters.len() && p.contains(" ")) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Prefix`
[INFO] [stderr]  --> src/message_util.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use message::{Message, Command, Prefix};
[INFO] [stderr]   |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     if (index <= line.len() && line[index] == '/') {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:49:11
[INFO] [stderr]    |
[INFO] [stderr] 49 |     }else if (index <= line.len() && line[index] != '/') {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/message_util.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     while (line[index].is_alphabetic() && line[index].is_lowercase()) {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     if (command.len() == 0) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if (command == "join".to_string()) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/message_util.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         while (index < line.len()) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/message_util.rs:102:20
[INFO] [stderr]     |
[INFO] [stderr] 102 |         *expectedIndex = (*expectedIndex + 1);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginReady` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Connected_LoginReady,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginReady`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginWaiting` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Connected_LoginWaiting,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginWaiting`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginFailed` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Connected_LoginFailed,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginFailed`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoggedIn` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Connected_LoggedIn,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoggedIn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]  --> src/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufRead};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::mpsc::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::mpsc::Sender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`, `Read`
[INFO] [stderr]  --> src/main_loop.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufRead, BufReader, BufWriter, Write, Read};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]   --> src/main_loop.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::net::{SocketAddr};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/main_loop.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `nick_message`, `user_message`
[INFO] [stderr]   --> src/main_loop.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use message_util::{nick_message, user_message};
[INFO] [stderr]    |                    ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/everything_handler.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/everything_handler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`
[INFO] [stderr]  --> src/everything_handler.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{BufRead, BufReader, BufWriter, Write, Read};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/everything_handler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToSocketAddrs`
[INFO] [stderr]  --> src/everything_handler.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::net::{ToSocketAddrs};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/everything_handler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> src/everything_handler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::PathBuf; 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]   --> src/everything_handler.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::net::{SocketAddr};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/everything_handler.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromStr`
[INFO] [stderr]   --> src/everything_handler.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::str::{FromStr};
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::IntoIterator`
[INFO] [stderr]   --> src/everything_handler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::iter::IntoIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/message.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 if (i != 0) {
[INFO] [stderr]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 if (i + 1 == self.parameters.len() && p.contains(" ")) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Prefix`
[INFO] [stderr]  --> src/message_util.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use message::{Message, Command, Prefix};
[INFO] [stderr]   |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     if (index <= line.len() && line[index] == '/') {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:49:11
[INFO] [stderr]    |
[INFO] [stderr] 49 |     }else if (index <= line.len() && line[index] != '/') {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/message_util.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     while (line[index].is_alphabetic() && line[index].is_lowercase()) {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     if (command.len() == 0) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/message_util.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if (command == "join".to_string()) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/message_util.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         while (index < line.len()) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/message_util.rs:102:20
[INFO] [stderr]     |
[INFO] [stderr] 102 |         *expectedIndex = (*expectedIndex + 1);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginReady` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Connected_LoginReady,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginReady`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginWaiting` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Connected_LoginWaiting,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginWaiting`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoginFailed` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Connected_LoginFailed,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoginFailed`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Connected_LoggedIn` should have an upper camel case name
[INFO] [stderr]   --> src/session_state.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Connected_LoggedIn,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectedLoggedIn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/everything_handler.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let action = match token {
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message_bits`
[INFO] [stderr]   --> src/everything_handler.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                             let message_bits = process_str(&self.line_in_progress);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_message_bits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/everything_handler.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |                         Err(err) => {}   
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/everything_handler.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let action = Some(parse_input_line(&line.unwrap()));
[INFO] [stderr]    |                         ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `string` is never read
[INFO] [stderr]   --> src/message.rs:38:11
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut string = String::new();
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/message.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Command::DigitCommand {ref command} => panic!("Not ready for digit commands yet")
[INFO] [stderr]    |                                        ^^^^^^^ help: try ignoring the field: `command: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main_loop.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut args : Vec<_> = env::args().collect();
[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/main_loop.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut connection_result = TcpStream::connect(&connection_string.to_socket_addrs().unwrap().nth(0).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/main_loop.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut connection = match connection_result {
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lines_in`
[INFO] [stderr]   --> src/everything_handler.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     lines_in : Vec<String>, 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lines_out`
[INFO] [stderr]   --> src/everything_handler.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines_out : Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prompt`
[INFO] [stderr]  --> src/util.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn prompt(prompt_text : &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_message_bytes`
[INFO] [stderr]   --> src/message.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn to_message_bytes(self : &Self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ServerNamePrefix`
[INFO] [stderr]   --> src/message.rs:77:2
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ServerNamePrefix {name : String},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NickNamePrefix`
[INFO] [stderr]   --> src/message.rs:78:2
[INFO] [stderr]    |
[INFO] [stderr] 78 |     NickNamePrefix {name : String, parts : Option<(String, String)> }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DigitCommand`
[INFO] [stderr]   --> src/message.rs:84:2
[INFO] [stderr]    |
[INFO] [stderr] 84 |     DigitCommand {command : String}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `join_channel_message`
[INFO] [stderr]   --> src/message_util.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn join_channel_message(channel_name : &str) -> Message {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/app_action.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Terminate,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Transmit`
[INFO] [stderr]  --> src/app_action.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Transmit(Message),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NetworkInput`
[INFO] [stderr]  --> src/app_action.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     NetworkInput(Message)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]   --> src/session_state.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Nothing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connected_LoginFailed`
[INFO] [stderr]   --> src/session_state.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Connected_LoginFailed,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connected_LoggedIn`
[INFO] [stderr]   --> src/session_state.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Connected_LoggedIn,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InRoom`
[INFO] [stderr]   --> src/session_state.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     InRoom(String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main_loop.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             stdin.lock().read_line(&mut line);
[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/main_loop.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             keyboard_tx.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/main_loop.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             handler_channel.send(KEYBOARD);
[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/main_loop.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     stdout.flush();
[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/main_loop.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     stdin.lock().read_line(&mut 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/everything_handler.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         self.stream.flush();
[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/util.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     stdout.flush();
[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/util.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     stdin.lock().read_line(&mut 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/message_util.rs:74:2
[INFO] [stderr]    |
[INFO] [stderr] 74 |     eat_char(&mut line, ' ', &mut index);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `expectedIndex` should have a snake case name
[INFO] [stderr]    --> src/message_util.rs:100:43
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn eat_char(chars : &Vec<char>, c : char, expectedIndex: &mut usize) -> Result<char, (String, usize)> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `expected_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/everything_handler.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let action = match token {
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message_bits`
[INFO] [stderr]   --> src/everything_handler.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                             let message_bits = process_str(&self.line_in_progress);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_message_bits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/everything_handler.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |                         Err(err) => {}   
[INFO] [stderr]    |                             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/everything_handler.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let action = Some(parse_input_line(&line.unwrap()));
[INFO] [stderr]    |                         ^^^^^^ help: consider prefixing with an underscore: `_action`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `string` is never read
[INFO] [stderr]   --> src/message.rs:38:11
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut string = String::new();
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/message.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Command::DigitCommand {ref command} => panic!("Not ready for digit commands yet")
[INFO] [stderr]    |                                        ^^^^^^^ help: try ignoring the field: `command: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main_loop.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut args : Vec<_> = env::args().collect();
[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/main_loop.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut connection_result = TcpStream::connect(&connection_string.to_socket_addrs().unwrap().nth(0).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/main_loop.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut connection = match connection_result {
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lines_in`
[INFO] [stderr]   --> src/everything_handler.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     lines_in : Vec<String>, 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lines_out`
[INFO] [stderr]   --> src/everything_handler.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines_out : Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prompt`
[INFO] [stderr]  --> src/util.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn prompt(prompt_text : &str) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_message_bytes`
[INFO] [stderr]   --> src/message.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn to_message_bytes(self : &Self) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ServerNamePrefix`
[INFO] [stderr]   --> src/message.rs:77:2
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ServerNamePrefix {name : String},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NickNamePrefix`
[INFO] [stderr]   --> src/message.rs:78:2
[INFO] [stderr]    |
[INFO] [stderr] 78 |     NickNamePrefix {name : String, parts : Option<(String, String)> }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DigitCommand`
[INFO] [stderr]   --> src/message.rs:84:2
[INFO] [stderr]    |
[INFO] [stderr] 84 |     DigitCommand {command : String}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `join_channel_message`
[INFO] [stderr]   --> src/message_util.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn join_channel_message(channel_name : &str) -> Message {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/app_action.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Terminate,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Transmit`
[INFO] [stderr]  --> src/app_action.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Transmit(Message),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NetworkInput`
[INFO] [stderr]  --> src/app_action.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     NetworkInput(Message)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]   --> src/session_state.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Nothing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connected_LoginFailed`
[INFO] [stderr]   --> src/session_state.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Connected_LoginFailed,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connected_LoggedIn`
[INFO] [stderr]   --> src/session_state.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Connected_LoggedIn,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InRoom`
[INFO] [stderr]   --> src/session_state.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     InRoom(String)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main_loop.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             stdin.lock().read_line(&mut line);
[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/main_loop.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             keyboard_tx.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/main_loop.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             handler_channel.send(KEYBOARD);
[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/main_loop.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     stdout.flush();
[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/main_loop.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     stdin.lock().read_line(&mut 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/everything_handler.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         self.stream.flush();
[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/util.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     stdout.flush();
[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/util.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     stdin.lock().read_line(&mut 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/message_util.rs:74:2
[INFO] [stderr]    |
[INFO] [stderr] 74 |     eat_char(&mut line, ' ', &mut index);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `expectedIndex` should have a snake case name
[INFO] [stderr]    --> src/message_util.rs:100:43
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn eat_char(chars : &Vec<char>, c : char, expectedIndex: &mut usize) -> Result<char, (String, usize)> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `expected_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `"docker" "inspect" "4185c4d2bf74bab4c5a36b102d7a226f3d0ed653969e4c664015200b25774ebd"`
[INFO] running `"docker" "rm" "-f" "4185c4d2bf74bab4c5a36b102d7a226f3d0ed653969e4c664015200b25774ebd"`
[INFO] [stdout] 4185c4d2bf74bab4c5a36b102d7a226f3d0ed653969e4c664015200b25774ebd