[INFO] crate irc 0.13.6 is already in cache
[INFO] extracting crate irc 0.13.6 into work/ex/clippy-test-run/sources/stable/reg/irc/0.13.6
[INFO] extracting crate irc 0.13.6 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/irc/0.13.6
[INFO] validating manifest of irc-0.13.6 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of irc-0.13.6 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing irc-0.13.6
[INFO] finished frobbing irc-0.13.6
[INFO] frobbed toml for irc-0.13.6 written to work/ex/clippy-test-run/sources/stable/reg/irc/0.13.6/Cargo.toml
[INFO] started frobbing irc-0.13.6
[INFO] finished frobbing irc-0.13.6
[INFO] frobbed toml for irc-0.13.6 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/irc/0.13.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting irc-0.13.6 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/irc/0.13.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e88c25327f56d9d2dc8e9d823e012e02b4858667858859d8e78fecfce65771b
[INFO] running `"docker" "start" "-a" "1e88c25327f56d9d2dc8e9d823e012e02b4858667858859d8e78fecfce65771b"`
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking irc v0.13.6 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             nickname: nickname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `nickname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             username: username,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `username`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             hostname: hostname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/transport.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             inner: inner,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/transport.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             inner: inner,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |             outgoing: outgoing,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `outgoing`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:766:13
[INFO] [stderr]     |
[INFO] [stderr] 766 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:822:13
[INFO] [stderr]     |
[INFO] [stderr] 822 |             view: view,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `view`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/proto/command.rs:224:70
[INFO] [stderr]     |
[INFO] [stderr] 224 |             Command::SERVICE(ref n, ref r, ref d, ref t, ref re, ref i) => {
[INFO] [stderr]     |                                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/proto/message.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             tags: tags,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `tags`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:230:73
[INFO] [stderr]     |
[INFO] [stderr] 230 |             Mode::Plus(ref mode, Some(ref arg)) => write!(f, "{}{} {}", "+", mode, arg),
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:231:74
[INFO] [stderr]     |
[INFO] [stderr] 231 |             Mode::Minus(ref mode, Some(ref arg)) => write!(f, "{}{} {}", "-", mode, arg),
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:232:61
[INFO] [stderr]     |
[INFO] [stderr] 232 |             Mode::Plus(ref mode, None) => write!(f, "{}{}", "+", mode),
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:233:62
[INFO] [stderr]     |
[INFO] [stderr] 233 |             Mode::Minus(ref mode, None) => write!(f, "{}{}", "-", mode),
[INFO] [stderr]     |                                                              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             nickname: nickname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `nickname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             username: username,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `username`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/data/user.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             hostname: hostname,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/client/transport.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             inner: inner,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/transport.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             inner: inner,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |             outgoing: outgoing,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `outgoing`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:766:13
[INFO] [stderr]     |
[INFO] [stderr] 766 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client/mod.rs:822:13
[INFO] [stderr]     |
[INFO] [stderr] 822 |             view: view,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `view`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/proto/command.rs:224:70
[INFO] [stderr]     |
[INFO] [stderr] 224 |             Command::SERVICE(ref n, ref r, ref d, ref t, ref re, ref i) => {
[INFO] [stderr]     |                                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/proto/message.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             tags: tags,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `tags`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:230:73
[INFO] [stderr]     |
[INFO] [stderr] 230 |             Mode::Plus(ref mode, Some(ref arg)) => write!(f, "{}{} {}", "+", mode, arg),
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:231:74
[INFO] [stderr]     |
[INFO] [stderr] 231 |             Mode::Minus(ref mode, Some(ref arg)) => write!(f, "{}{} {}", "-", mode, arg),
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:232:61
[INFO] [stderr]     |
[INFO] [stderr] 232 |             Mode::Plus(ref mode, None) => write!(f, "{}{}", "+", mode),
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/proto/mode.rs:233:62
[INFO] [stderr]     |
[INFO] [stderr] 233 |             Mode::Minus(ref mode, None) => write!(f, "{}{}", "-", mode),
[INFO] [stderr]     |                                                              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/client/mod.rs:1043:13
[INFO] [stderr]      |
[INFO] [stderr] 1043 |             ()
[INFO] [stderr]      |             ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/client/conn.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | /     pub fn new<'a>(config: &'a Config, handle: &Handle) -> error::Result<ConnectionFuture<'a>> {
[INFO] [stderr] 127 | |         if config.use_mock_connection() {
[INFO] [stderr] 128 | |             Ok(ConnectionFuture::Mock(config))
[INFO] [stderr] 129 | |         } else if config.use_ssl() {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |         }
[INFO] [stderr] 167 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/conn.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let domain = format!("{}", config.server()?);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `config.server()?.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error 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: passing a unit value to a function
[INFO] [stderr]    --> src/client/mod.rs:246:12
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Ok(self.outgoing.unbounded_send(msg)?)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Ok(())
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/mod.rs:315:9
[INFO] [stderr]     |
[INFO] [stderr] 315 | /         match msg.command {
[INFO] [stderr] 316 | |             PART(ref chan, _) => {
[INFO] [stderr] 317 | |                 let _ = self.chanlists.lock().unwrap().remove(chan);
[INFO] [stderr] 318 | |             }
[INFO] [stderr] 319 | |             _ => (),
[INFO] [stderr] 320 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 315 |         if let PART(ref chan, _) = msg.command {
[INFO] [stderr] 316 |     let _ = self.chanlists.lock().unwrap().remove(chan);
[INFO] [stderr] 317 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 288
[INFO] [stderr]     --> src/proto/command.rs:468:5
[INFO] [stderr]      |
[INFO] [stderr] 468  | /     pub fn new(cmd: &str, args: Vec<&str>, suffix: Option<&str>) -> Result<Command, MessageParseError> {
[INFO] [stderr] 469  | |         Ok(if cmd.eq_ignore_ascii_case("PASS") {
[INFO] [stderr] 470  | |             match suffix {
[INFO] [stderr] 471  | |                 Some(suffix) => {
[INFO] [stderr] ...    |
[INFO] [stderr] 1624 | |         })
[INFO] [stderr] 1625 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/proto/message.rs:222:60
[INFO] [stderr]     |
[INFO] [stderr] 222 |             state = state.find(" :").map_or("", |i| &state[..i + 1]);
[INFO] [stderr]     |                                                            ^^^^^^^ help: use: `..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/proto/mode.rs:247:26
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn as_user_modes(s: &str) -> Result<Vec<Mode<UserMode>>, MessageParseError> {
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/proto/mode.rs:293:29
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn as_channel_modes(s: &str) -> Result<Vec<Mode<ChannelMode>>, MessageParseError> {
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/proto/response.rs:415:21
[INFO] [stderr]     |
[INFO] [stderr] 415 |     pub fn is_error(&self) -> bool {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/client/conn.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | /     pub fn new<'a>(config: &'a Config, handle: &Handle) -> error::Result<ConnectionFuture<'a>> {
[INFO] [stderr] 127 | |         if config.use_mock_connection() {
[INFO] [stderr] 128 | |             Ok(ConnectionFuture::Mock(config))
[INFO] [stderr] 129 | |         } else if config.use_ssl() {
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |         }
[INFO] [stderr] 167 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/conn.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let domain = format!("{}", config.server()?);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `config.server()?.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error 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: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:562:31
[INFO] [stderr]     |
[INFO] [stderr] 562 |             owners: Some(vec![format!("test")]),
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:563:28
[INFO] [stderr]     |
[INFO] [stderr] 563 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:566:28
[INFO] [stderr]     |
[INFO] [stderr] 566 |             username: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:567:28
[INFO] [stderr]     |
[INFO] [stderr] 567 |             realname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:569:26
[INFO] [stderr]     |
[INFO] [stderr] 569 |             umodes: Some(format!("+BR")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^ help: consider using .to_string(): `"+BR".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:570:26
[INFO] [stderr]     |
[INFO] [stderr] 570 |             server: Some(format!("irc.test.net")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"irc.test.net".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:576:28
[INFO] [stderr]     |
[INFO] [stderr] 576 |             encoding: Some(format!("UTF-8")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"UTF-8".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:577:33
[INFO] [stderr]     |
[INFO] [stderr] 577 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:577:51
[INFO] [stderr]     |
[INFO] [stderr] 577 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:617:31
[INFO] [stderr]     |
[INFO] [stderr] 617 |             owners: Some(vec![format!("test"), format!("test2")]),
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:617:48
[INFO] [stderr]     |
[INFO] [stderr] 617 |             owners: Some(vec![format!("test"), format!("test2")]),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:630:28
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 map.insert(format!("testing"), format!("test"));
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"testing".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/config.rs:630:48
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 map.insert(format!("testing"), format!("test"));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/user.rs:248:23
[INFO] [stderr]     |
[INFO] [stderr] 248 |             nickname: format!("owner"),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"owner".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/data/user.rs:263:23
[INFO] [stderr]     |
[INFO] [stderr] 263 |             nickname: format!("user"),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"user".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/ext.rs:447:28
[INFO] [stderr]     |
[INFO] [stderr] 447 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/ext.rs:448:28
[INFO] [stderr]     |
[INFO] [stderr] 448 |             password: Some(format!("password")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"password".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/client/mod.rs:246:12
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Ok(self.outgoing.unbounded_send(msg)?)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 246 |         Ok(())
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/mod.rs:315:9
[INFO] [stderr]     |
[INFO] [stderr] 315 | /         match msg.command {
[INFO] [stderr] 316 | |             PART(ref chan, _) => {
[INFO] [stderr] 317 | |                 let _ = self.chanlists.lock().unwrap().remove(chan);
[INFO] [stderr] 318 | |             }
[INFO] [stderr] 319 | |             _ => (),
[INFO] [stderr] 320 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 315 |         if let PART(ref chan, _) = msg.command {
[INFO] [stderr] 316 |     let _ = self.chanlists.lock().unwrap().remove(chan);
[INFO] [stderr] 317 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:853:31
[INFO] [stderr]     |
[INFO] [stderr] 853 |             owners: Some(vec![format!("test")]),
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:854:28
[INFO] [stderr]     |
[INFO] [stderr] 854 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:855:34
[INFO] [stderr]     |
[INFO] [stderr] 855 |             alt_nicks: Some(vec![format!("test2")]),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:856:26
[INFO] [stderr]     |
[INFO] [stderr] 856 |             server: Some(format!("irc.test.net")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"irc.test.net".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:857:33
[INFO] [stderr]     |
[INFO] [stderr] 857 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:857:51
[INFO] [stderr]     |
[INFO] [stderr] 857 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:858:29
[INFO] [stderr]     |
[INFO] [stderr] 858 |             user_info: Some(format!("Testing.")),
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing.".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:913:33
[INFO] [stderr]     |
[INFO] [stderr] 913 |             nick_password: Some(format!("password")),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"password".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:914:33
[INFO] [stderr]     |
[INFO] [stderr] 914 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:914:51
[INFO] [stderr]     |
[INFO] [stderr] 914 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:932:28
[INFO] [stderr]     |
[INFO] [stderr] 932 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:933:33
[INFO] [stderr]     |
[INFO] [stderr] 933 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:933:51
[INFO] [stderr]     |
[INFO] [stderr] 933 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:936:28
[INFO] [stderr]     |
[INFO] [stderr] 936 |                 map.insert(format!("#test2"), format!("password"));
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:936:47
[INFO] [stderr]     |
[INFO] [stderr] 936 |                 map.insert(format!("#test2"), format!("password"));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"password".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:956:28
[INFO] [stderr]     |
[INFO] [stderr] 956 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:957:34
[INFO] [stderr]     |
[INFO] [stderr] 957 |             alt_nicks: Some(vec![format!("test2")]),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:958:33
[INFO] [stderr]     |
[INFO] [stderr] 958 |             nick_password: Some(format!("password")),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"password".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:959:33
[INFO] [stderr]     |
[INFO] [stderr] 959 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:959:51
[INFO] [stderr]     |
[INFO] [stderr] 959 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:979:28
[INFO] [stderr]     |
[INFO] [stderr] 979 |             nickname: Some(format!("test")),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:980:34
[INFO] [stderr]     |
[INFO] [stderr] 980 |             alt_nicks: Some(vec![format!("test2")]),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:981:33
[INFO] [stderr]     |
[INFO] [stderr] 981 |             nick_password: Some(format!("password")),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"password".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:982:33
[INFO] [stderr]     |
[INFO] [stderr] 982 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:982:51
[INFO] [stderr]     |
[INFO] [stderr] 982 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:984:39
[INFO] [stderr]     |
[INFO] [stderr] 984 |             ghost_sequence: Some(vec![format!("RECOVER"), format!("RELEASE")]),
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"RECOVER".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client/mod.rs:984:59
[INFO] [stderr]     |
[INFO] [stderr] 984 |             ghost_sequence: Some(vec![format!("RECOVER"), format!("RELEASE")]),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"RELEASE".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1003:28
[INFO] [stderr]      |
[INFO] [stderr] 1003 |             nickname: Some(format!("test")),
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1004:26
[INFO] [stderr]      |
[INFO] [stderr] 1004 |             umodes: Some(format!("+B")),
[INFO] [stderr]      |                          ^^^^^^^^^^^^^ help: consider using .to_string(): `"+B".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1005:33
[INFO] [stderr]      |
[INFO] [stderr] 1005 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1005:51
[INFO] [stderr]      |
[INFO] [stderr] 1005 |             channels: Some(vec![format!("#test"), format!("#test2")]),
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test2".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1054:31
[INFO] [stderr]      |
[INFO] [stderr] 1054 |                 .send(PRIVMSG(format!("#test"), format!("Hi there!")))
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1054:49
[INFO] [stderr]      |
[INFO] [stderr] 1054 |                 .send(PRIVMSG(format!("#test"), format!("Hi there!")))
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Hi there!".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1068:31
[INFO] [stderr]      |
[INFO] [stderr] 1068 |                 .send(PRIVMSG(format!("#test"), format!("Hi there!\r\nJOIN #bad")))
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1068:49
[INFO] [stderr]      |
[INFO] [stderr] 1068 |                 .send(PRIVMSG(format!("#test"), format!("Hi there!\r\nJOIN #bad")))
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Hi there!\r\nJOIN #bad".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]     --> src/client/mod.rs:1111:34
[INFO] [stderr]      |
[INFO] [stderr] 1111 |         assert!(client.send(PART(format!("#test"), None)).is_ok());
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"#test".to_string()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 288
[INFO] [stderr]     --> src/proto/command.rs:468:5
[INFO] [stderr]      |
[INFO] [stderr] 468  | /     pub fn new(cmd: &str, args: Vec<&str>, suffix: Option<&str>) -> Result<Command, MessageParseError> {
[INFO] [stderr] 469  | |         Ok(if cmd.eq_ignore_ascii_case("PASS") {
[INFO] [stderr] 470  | |             match suffix {
[INFO] [stderr] 471  | |                 Some(suffix) => {
[INFO] [stderr] ...    |
[INFO] [stderr] 1624 | |         })
[INFO] [stderr] 1625 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/proto/message.rs:222:60
[INFO] [stderr]     |
[INFO] [stderr] 222 |             state = state.find(" :").map_or("", |i| &state[..i + 1]);
[INFO] [stderr]     |                                                            ^^^^^^^ help: use: `..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:287:47
[INFO] [stderr]     |
[INFO] [stderr] 287 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:359:30
[INFO] [stderr]     |
[INFO] [stderr] 359 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:359:47
[INFO] [stderr]     |
[INFO] [stderr] 359 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:364:26
[INFO] [stderr]     |
[INFO] [stderr] 364 |             prefix: Some(format!("test!test@test")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test!test@test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:365:30
[INFO] [stderr]     |
[INFO] [stderr] 365 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:365:47
[INFO] [stderr]     |
[INFO] [stderr] 365 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Still testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:378:30
[INFO] [stderr]     |
[INFO] [stderr] 378 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:378:47
[INFO] [stderr]     |
[INFO] [stderr] 378 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:386:26
[INFO] [stderr]     |
[INFO] [stderr] 386 |             prefix: Some(format!("test!test@test")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test!test@test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:387:30
[INFO] [stderr]     |
[INFO] [stderr] 387 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:387:47
[INFO] [stderr]     |
[INFO] [stderr] 387 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Still testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 Tag(format!("aaa"), Some(format!("bbb"))),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: consider using .to_string(): `"aaa".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:397:42
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 Tag(format!("aaa"), Some(format!("bbb"))),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^ help: consider using .to_string(): `"bbb".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:398:21
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 Tag(format!("ccc"), None),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: consider using .to_string(): `"ccc".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:399:21
[INFO] [stderr]     |
[INFO] [stderr] 399 |                 Tag(format!("example.com/ddd"), Some(format!("eee"))),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"example.com/ddd".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:399:54
[INFO] [stderr]     |
[INFO] [stderr] 399 |                 Tag(format!("example.com/ddd"), Some(format!("eee"))),
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^ help: consider using .to_string(): `"eee".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:401:26
[INFO] [stderr]     |
[INFO] [stderr] 401 |             prefix: Some(format!("test!test@test")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test!test@test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:402:30
[INFO] [stderr]     |
[INFO] [stderr] 402 |             command: PRIVMSG(format!("test"), format!("Testing with tags!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:402:47
[INFO] [stderr]     |
[INFO] [stderr] 402 |             command: PRIVMSG(format!("test"), format!("Testing with tags!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing with tags!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:418:30
[INFO] [stderr]     |
[INFO] [stderr] 418 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:418:47
[INFO] [stderr]     |
[INFO] [stderr] 418 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:446:30
[INFO] [stderr]     |
[INFO] [stderr] 446 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:446:47
[INFO] [stderr]     |
[INFO] [stderr] 446 |             command: PRIVMSG(format!("test"), format!("Testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:452:26
[INFO] [stderr]     |
[INFO] [stderr] 452 |             prefix: Some(format!("test!test@test")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test!test@test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:453:30
[INFO] [stderr]     |
[INFO] [stderr] 453 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:453:47
[INFO] [stderr]     |
[INFO] [stderr] 453 |             command: PRIVMSG(format!("test"), format!("Still testing!")),
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Still testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:465:26
[INFO] [stderr]     |
[INFO] [stderr] 465 |             prefix: Some(format!("test!test@test")),
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"test!test@test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:467:17
[INFO] [stderr]     |
[INFO] [stderr] 467 |                 format!("COMMAND"),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"COMMAND".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:468:22
[INFO] [stderr]     |
[INFO] [stderr] 468 |                 vec![format!("ARG:test")],
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"ARG:test".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/proto/message.rs:469:22
[INFO] [stderr]     |
[INFO] [stderr] 469 |                 Some(format!("Testing!")),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Testing!".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/proto/mode.rs:247:26
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn as_user_modes(s: &str) -> Result<Vec<Mode<UserMode>>, MessageParseError> {
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/proto/mode.rs:293:29
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn as_channel_modes(s: &str) -> Result<Vec<Mode<ChannelMode>>, MessageParseError> {
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/proto/response.rs:415:21
[INFO] [stderr]     |
[INFO] [stderr] 415 |     pub fn is_error(&self) -> bool {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> examples/multiserver.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     match message.command {
[INFO] [stderr] 43 | |         Command::PRIVMSG(ref target, ref msg) => {
[INFO] [stderr] 44 | |             if msg.contains("pickles") {
[INFO] [stderr] 45 | |                 client.send_privmsg(target, "Hi!")?;
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |         _ => (),
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 42 |     if let Command::PRIVMSG(ref target, ref msg) = message.command {
[INFO] [stderr] 43 |     if msg.contains("pickles") {
[INFO] [stderr] 44 |         client.send_privmsg(target, "Hi!")?;
[INFO] [stderr] 45 |     }
[INFO] [stderr] 46 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.92s
[INFO] running `"docker" "inspect" "1e88c25327f56d9d2dc8e9d823e012e02b4858667858859d8e78fecfce65771b"`
[INFO] running `"docker" "rm" "-f" "1e88c25327f56d9d2dc8e9d823e012e02b4858667858859d8e78fecfce65771b"`
[INFO] [stdout] 1e88c25327f56d9d2dc8e9d823e012e02b4858667858859d8e78fecfce65771b