[INFO] updating cached repository lazau/rust-irc-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lazau/rust-irc-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lazau/rust-irc-server" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lazau/rust-irc-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lazau/rust-irc-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lazau/rust-irc-server" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lazau/rust-irc-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lazau/rust-irc-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcf8328c55a577e859f41701f11cc3abb2288b2c
[INFO] sha for GitHub repo lazau/rust-irc-server: fcf8328c55a577e859f41701f11cc3abb2288b2c
[INFO] validating manifest of lazau/rust-irc-server on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lazau/rust-irc-server on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lazau/rust-irc-server
[INFO] finished frobbing lazau/rust-irc-server
[INFO] frobbed toml for lazau/rust-irc-server written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lazau/rust-irc-server/Cargo.toml
[INFO] started frobbing lazau/rust-irc-server
[INFO] finished frobbing lazau/rust-irc-server
[INFO] frobbed toml for lazau/rust-irc-server written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lazau/rust-irc-server/Cargo.toml
[INFO] crate lazau/rust-irc-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lazau/rust-irc-server against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lazau/rust-irc-server:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d879ae7c3225e9e38e170b91b124c5f804a03d5544e36834ffc3001d8dc4b074
[INFO] running `"docker" "start" "-a" "d879ae7c3225e9e38e170b91b124c5f804a03d5544e36834ffc3001d8dc4b074"`
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Checking hyper v0.11.9
[INFO] [stderr]     Checking irc_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `futures::stream::*`
[INFO] [stderr]  --> src/service/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::stream::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sink::*`
[INFO] [stderr]  --> src/service/connection.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::sink::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_cpupool::CpuPool`
[INFO] [stderr]  --> src/service/connection.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_cpupool::CpuPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/service/connection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `user`
[INFO] [stderr]   --> src/service/connection.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use super::{codec, user};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Channel`
[INFO] [stderr]   --> src/service/connection.rs:16:69
[INFO] [stderr]    |
[INFO] [stderr] 16 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
[INFO] [stderr]    |                                                                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Message as UserMessage`
[INFO] [stderr]   --> src/service/connection.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 | use super::user::{User, Message as UserMessage, Identifier as UserIdentifier, UserMode, SetMode};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeSeq`, `self`
[INFO] [stderr]  --> src/service/channel.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::ser::{self, SerializeSeq};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/service/channel.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/service/channel.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/service/channel.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | / macro_rules! send_log_err {
[INFO] [stderr] 55 | |     ($tx:expr, $message:expr) => {
[INFO] [stderr] 56 | |         match $tx.try_send($message) {
[INFO] [stderr] 57 | |             Err(e) => debug!("Send error: {:?}.", e),
[INFO] [stderr] ...  |
[INFO] [stderr] 60 | |     }
[INFO] [stderr] 61 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sync::mpsc`
[INFO] [stderr]  --> src/service/user.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_cpupool::CpuPool`
[INFO] [stderr]  --> src/service/user.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_cpupool::CpuPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/service/user.rs:5:24
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `responses as Responses`
[INFO] [stderr]  --> src/service/user.rs:8:64
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::messages::commands::{Command, requests as Requests, responses as Responses};
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ChannelError`, `Channel`
[INFO] [stderr]   --> src/service/user.rs:10:55
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/service/user.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / macro_rules! send_log_err {
[INFO] [stderr] 120 | |     ($tx:expr, $message:expr) => {
[INFO] [stderr] 121 | |         match $tx.try_send($message) {
[INFO] [stderr] 122 | |             Err(e) => debug!("Send error: {:?}.", e),
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     }
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::stream::*`
[INFO] [stderr]  --> src/service/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::stream::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sink::*`
[INFO] [stderr]  --> src/service/connection.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::sink::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_cpupool::CpuPool`
[INFO] [stderr]  --> src/service/connection.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_cpupool::CpuPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/service/connection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::Deref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `user`
[INFO] [stderr]   --> src/service/connection.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use super::{codec, user};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Channel`
[INFO] [stderr]   --> src/service/connection.rs:16:69
[INFO] [stderr]    |
[INFO] [stderr] 16 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
[INFO] [stderr]    |                                                                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Message as UserMessage`
[INFO] [stderr]   --> src/service/connection.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 | use super::user::{User, Message as UserMessage, Identifier as UserIdentifier, UserMode, SetMode};
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeSeq`, `self`
[INFO] [stderr]  --> src/service/channel.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::ser::{self, SerializeSeq};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/service/channel.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/service/channel.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/service/channel.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | / macro_rules! send_log_err {
[INFO] [stderr] 55 | |     ($tx:expr, $message:expr) => {
[INFO] [stderr] 56 | |         match $tx.try_send($message) {
[INFO] [stderr] 57 | |             Err(e) => debug!("Send error: {:?}.", e),
[INFO] [stderr] ...  |
[INFO] [stderr] 60 | |     }
[INFO] [stderr] 61 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sync::mpsc`
[INFO] [stderr]  --> src/service/user.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_cpupool::CpuPool`
[INFO] [stderr]  --> src/service/user.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_cpupool::CpuPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/service/user.rs:5:24
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `responses as Responses`
[INFO] [stderr]  --> src/service/user.rs:8:64
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::messages::commands::{Command, requests as Requests, responses as Responses};
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ChannelError`, `Channel`
[INFO] [stderr]   --> src/service/user.rs:10:55
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::channel::{Identifier as ChannelIdentifier, ChannelError, Channel};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/service/user.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / macro_rules! send_log_err {
[INFO] [stderr] 120 | |     ($tx:expr, $message:expr) => {
[INFO] [stderr] 121 | |         match $tx.try_send($message) {
[INFO] [stderr] 122 | |             Err(e) => debug!("Send error: {:?}.", e),
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     }
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]  --> src/service/user.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]  --> src/service/user.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/service/shared_state.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/service/connection.rs:305:17
[INFO] [stderr]     |
[INFO] [stderr] 305 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode_args`
[INFO] [stderr]    --> src/service/connection.rs:420:31
[INFO] [stderr]     |
[INFO] [stderr] 420 |                               mode_args,
[INFO] [stderr]     |                               ^^^^^^^^^ help: try ignoring the field: `mode_args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `originator`
[INFO] [stderr]    --> src/service/connection.rs:484:44
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Command::PING(Requests::Ping { originator, target }) => {
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: try ignoring the field: `originator: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/service/shared_state.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/service/connection.rs:305:17
[INFO] [stderr]     |
[INFO] [stderr] 305 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode_args`
[INFO] [stderr]    --> src/service/connection.rs:420:31
[INFO] [stderr]     |
[INFO] [stderr] 420 |                               mode_args,
[INFO] [stderr]     |                               ^^^^^^^^^ help: try ignoring the field: `mode_args: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `originator`
[INFO] [stderr]    --> src/service/connection.rs:484:44
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Command::PING(Requests::Ping { originator, target }) => {
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: try ignoring the field: `originator: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `I`
[INFO] [stderr]   --> src/service/messages/mod.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     I,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `S`
[INFO] [stderr]   --> src/service/messages/mod.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     S,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `W`
[INFO] [stderr]   --> src/service/messages/mod.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     W,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]   --> src/service/messages/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     O,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Server`
[INFO] [stderr]   --> src/service/connection.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Server, // unimplemented.
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         write!(f, "NICK");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         write!(f, "PASS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         write!(f, "USER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         write!(f, "SERVER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |         write!(f, "OPER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         write!(f, "SERVICE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         write!(f, "QUIT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         write!(f, "SQUIT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         write!(f, "TOPIC");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         write!(f, "NAMES");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         write!(f, "LIST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         write!(f, "INVITE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         write!(f, "KICK");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         write!(f, "MOTD");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 454 |         write!(f, "LUSERS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         write!(f, "VERSION");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |         write!(f, "STATS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 |         write!(f, "LINKS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         write!(f, "TIME");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:489:9
[INFO] [stderr]     |
[INFO] [stderr] 489 |         write!(f, "CONNECT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:496:9
[INFO] [stderr]     |
[INFO] [stderr] 496 |         write!(f, "TRACE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:503:9
[INFO] [stderr]     |
[INFO] [stderr] 503 |         write!(f, "ADMIN");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |         write!(f, "INFO");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         write!(f, "NOTICE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:531:9
[INFO] [stderr]     |
[INFO] [stderr] 531 |         write!(f, "SERVLIST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         write!(f, "SQUERY");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         write!(f, "WHO");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         write!(f, "WHOIS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |         write!(f, "WHOWAS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         write!(f, "KILL");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:573:9
[INFO] [stderr]     |
[INFO] [stderr] 573 |         write!(f, "PING");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:590:9
[INFO] [stderr]     |
[INFO] [stderr] 590 |         write!(f, "ERROR");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         write!(f, "AWAY");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |         write!(f, "REHASH");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |         write!(f, "RESTART");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:618:9
[INFO] [stderr]     |
[INFO] [stderr] 618 |         write!(f, "SUMMON");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         write!(f, "USERS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:632:9
[INFO] [stderr]     |
[INFO] [stderr] 632 |         write!(f, "WALLOPS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         write!(f, "USERHOST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:646:9
[INFO] [stderr]     |
[INFO] [stderr] 646 |         write!(f, "ISON");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `I`
[INFO] [stderr]   --> src/service/messages/mod.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     I,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `S`
[INFO] [stderr]   --> src/service/messages/mod.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     S,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `W`
[INFO] [stderr]   --> src/service/messages/mod.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     W,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]   --> src/service/messages/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     O,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Server`
[INFO] [stderr]   --> src/service/connection.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Server, // unimplemented.
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         write!(f, "NICK");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |         write!(f, "PASS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         write!(f, "USER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         write!(f, "SERVER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |         write!(f, "OPER");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         write!(f, "SERVICE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         write!(f, "QUIT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         write!(f, "SQUIT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         write!(f, "TOPIC");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         write!(f, "NAMES");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         write!(f, "LIST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         write!(f, "INVITE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         write!(f, "KICK");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         write!(f, "MOTD");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 454 |         write!(f, "LUSERS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         write!(f, "VERSION");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |         write!(f, "STATS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 |         write!(f, "LINKS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         write!(f, "TIME");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:489:9
[INFO] [stderr]     |
[INFO] [stderr] 489 |         write!(f, "CONNECT");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:496:9
[INFO] [stderr]     |
[INFO] [stderr] 496 |         write!(f, "TRACE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:503:9
[INFO] [stderr]     |
[INFO] [stderr] 503 |         write!(f, "ADMIN");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |         write!(f, "INFO");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         write!(f, "NOTICE");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:531:9
[INFO] [stderr]     |
[INFO] [stderr] 531 |         write!(f, "SERVLIST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         write!(f, "SQUERY");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         write!(f, "WHO");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         write!(f, "WHOIS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |         write!(f, "WHOWAS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         write!(f, "KILL");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:573:9
[INFO] [stderr]     |
[INFO] [stderr] 573 |         write!(f, "PING");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:590:9
[INFO] [stderr]     |
[INFO] [stderr] 590 |         write!(f, "ERROR");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         write!(f, "AWAY");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |         write!(f, "REHASH");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |         write!(f, "RESTART");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:618:9
[INFO] [stderr]     |
[INFO] [stderr] 618 |         write!(f, "SUMMON");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         write!(f, "USERS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:632:9
[INFO] [stderr]     |
[INFO] [stderr] 632 |         write!(f, "WALLOPS");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         write!(f, "USERHOST");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service/messages/commands/requests.rs:646:9
[INFO] [stderr]     |
[INFO] [stderr] 646 |         write!(f, "ISON");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `"docker" "inspect" "d879ae7c3225e9e38e170b91b124c5f804a03d5544e36834ffc3001d8dc4b074"`
[INFO] running `"docker" "rm" "-f" "d879ae7c3225e9e38e170b91b124c5f804a03d5544e36834ffc3001d8dc4b074"`
[INFO] [stdout] d879ae7c3225e9e38e170b91b124c5f804a03d5544e36834ffc3001d8dc4b074