[INFO] updating cached repository ArtemFrantsiian/telnet_chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ArtemFrantsiian/telnet_chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ArtemFrantsiian/telnet_chat" "work/ex/clippy-test-run/sources/stable/gh/ArtemFrantsiian/telnet_chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ArtemFrantsiian/telnet_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ArtemFrantsiian/telnet_chat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ArtemFrantsiian/telnet_chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ArtemFrantsiian/telnet_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6ab6d6b618650938f7a495d28fe965227297335
[INFO] sha for GitHub repo ArtemFrantsiian/telnet_chat: c6ab6d6b618650938f7a495d28fe965227297335
[INFO] validating manifest of ArtemFrantsiian/telnet_chat 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 ArtemFrantsiian/telnet_chat 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 ArtemFrantsiian/telnet_chat
[INFO] finished frobbing ArtemFrantsiian/telnet_chat
[INFO] frobbed toml for ArtemFrantsiian/telnet_chat written to work/ex/clippy-test-run/sources/stable/gh/ArtemFrantsiian/telnet_chat/Cargo.toml
[INFO] started frobbing ArtemFrantsiian/telnet_chat
[INFO] finished frobbing ArtemFrantsiian/telnet_chat
[INFO] frobbed toml for ArtemFrantsiian/telnet_chat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ArtemFrantsiian/telnet_chat/Cargo.toml
[INFO] crate ArtemFrantsiian/telnet_chat has a lockfile. skipping
[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 ArtemFrantsiian/telnet_chat against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ArtemFrantsiian/telnet_chat:/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] 5e72043a527b756f0e61543410b27a0440ece34d1c278137fea3b9fbcf2ad916
[INFO] running `"docker" "start" "-a" "5e72043a527b756f0e61543410b27a0440ece34d1c278137fea3b9fbcf2ad916"`
[INFO] [stderr]     Checking docopt v1.0.0
[INFO] [stderr]     Checking telnet-chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/server.rs:173:52
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let cli = Client { name: name.clone(), addr: addr, tx: tx };
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:173:64
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let cli = Client { name: name.clone(), addr: addr, tx: tx };
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/server.rs:173:52
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let cli = Client { name: name.clone(), addr: addr, tx: tx };
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:173:64
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let cli = Client { name: name.clone(), addr: addr, tx: tx };
[INFO] [stderr]     |                                                                ^^^^^^ help: replace it with: `tx`
[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/server.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |             *broadcast = Some(BroadcastNotify::Join { name: name, addr: addr });
[INFO] [stderr]     |                                                       ^^^^^^^^^^ help: replace it with: `name`
[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/server.rs:187:67
[INFO] [stderr]     |
[INFO] [stderr] 187 |             *broadcast = Some(BroadcastNotify::Join { name: name, addr: addr });
[INFO] [stderr]     |                                                                   ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:198:60
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 *broadcast = Some(BroadcastNotify::Leave { name: name, addr: addr });
[INFO] [stderr]     |                                                            ^^^^^^^^^^ help: replace it with: `name`
[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/server.rs:198:72
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 *broadcast = Some(BroadcastNotify::Leave { name: name, addr: addr });
[INFO] [stderr]     |                                                                        ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:227:33
[INFO] [stderr]     |
[INFO] [stderr] 227 |                                 old_name: old_name,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:235:37
[INFO] [stderr]     |
[INFO] [stderr] 235 |                                     old_name: old_name,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:248:29
[INFO] [stderr]     |
[INFO] [stderr] 248 |                             old_name: old_name,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:278:21
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     message: message
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `message`
[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]     |                                                                ^^^^^^ help: replace it with: `tx`
[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/server.rs:187:55
[INFO] [stderr]     |
[INFO] [stderr] 187 |             *broadcast = Some(BroadcastNotify::Join { name: name, addr: addr });
[INFO] [stderr]     |                                                       ^^^^^^^^^^ help: replace it with: `name`
[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/server.rs:187:67
[INFO] [stderr]     |
[INFO] [stderr] 187 |             *broadcast = Some(BroadcastNotify::Join { name: name, addr: addr });
[INFO] [stderr]     |                                                                   ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:198:60
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 *broadcast = Some(BroadcastNotify::Leave { name: name, addr: addr });
[INFO] [stderr]     |                                                            ^^^^^^^^^^ help: replace it with: `name`
[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/server.rs:198:72
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 *broadcast = Some(BroadcastNotify::Leave { name: name, addr: addr });
[INFO] [stderr]     |                                                                        ^^^^^^^^^^ help: replace it with: `addr`
[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/server.rs:227:33
[INFO] [stderr]     |
[INFO] [stderr] 227 |                                 old_name: old_name,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:235:37
[INFO] [stderr]     |
[INFO] [stderr] 235 |                                     old_name: old_name,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:248:29
[INFO] [stderr]     |
[INFO] [stderr] 248 |                             old_name: old_name,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: replace it with: `old_name`
[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/server.rs:278:21
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     message: message
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `message`
[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: unused import: `HashSet`
[INFO] [stderr]  --> src/server.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/server.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |     const CHARSET: &'static [u8] = b"0123456789";
[INFO] [stderr]    |                    -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/server.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |                     ()
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/server.rs:231:32
[INFO] [stderr]     |
[INFO] [stderr] 231 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 232 | |                             if current_password == &password {
[INFO] [stderr] 233 | |                                 let old_name = try!(cli.rename_success(name.clone()));
[INFO] [stderr] 234 | |                                 *broadcast = Some(BroadcastNotify::Rename {
[INFO] [stderr] ...   |
[INFO] [stderr] 241 | |                             }
[INFO] [stderr] 242 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 231 |                         } else if current_password == &password {
[INFO] [stderr] 232 |     let old_name = try!(cli.rename_success(name.clone()));
[INFO] [stderr] 233 |     *broadcast = Some(BroadcastNotify::Rename {
[INFO] [stderr] 234 |         old_name: old_name,
[INFO] [stderr] 235 |         new_name: name,
[INFO] [stderr] 236 |         addr: cli.addr
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 | const DEFAULT_ADDR: &'static str = "localhost";
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/server.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/server.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |     const CHARSET: &'static [u8] = b"0123456789";
[INFO] [stderr]    |                    -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/server.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |                     ()
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/server.rs:231:32
[INFO] [stderr]     |
[INFO] [stderr] 231 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 232 | |                             if current_password == &password {
[INFO] [stderr] 233 | |                                 let old_name = try!(cli.rename_success(name.clone()));
[INFO] [stderr] 234 | |                                 *broadcast = Some(BroadcastNotify::Rename {
[INFO] [stderr] ...   |
[INFO] [stderr] 241 | |                             }
[INFO] [stderr] 242 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 231 |                         } else if current_password == &password {
[INFO] [stderr] 232 |     let old_name = try!(cli.rename_success(name.clone()));
[INFO] [stderr] 233 |     *broadcast = Some(BroadcastNotify::Rename {
[INFO] [stderr] 234 |         old_name: old_name,
[INFO] [stderr] 235 |         new_name: name,
[INFO] [stderr] 236 |         addr: cli.addr
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 | const DEFAULT_ADDR: &'static str = "localhost";
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/client.rs:131:46
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let req_body = if !input.starts_with("/") {
[INFO] [stderr]     |                                              ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client.rs:163:35
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let message = format!("Commands:
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 164 | |     /help                       Show this message.
[INFO] [stderr] 165 | |     /exit                       Exit from chat.
[INFO] [stderr] 166 | |     /list                       Show participants list.
[INFO] [stderr] 167 | |     /nick NAME [PASSWORD]       Change your name.
[INFO] [stderr] 168 | |     /register NAME PASSWORD     Protect your name
[INFO] [stderr] 169 | | ");
[INFO] [stderr]     | |__^
[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] help: consider using .to_string()
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let message = "Commands:
[INFO] [stderr] 164 |     /help                       Show this message.
[INFO] [stderr] 165 |     /exit                       Exit from chat.
[INFO] [stderr] 166 |     /list                       Show participants list.
[INFO] [stderr] 167 |     /nick NAME [PASSWORD]       Change your name.
[INFO] [stderr] 168 |     /register NAME PASSWORD     Protect your name
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
[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 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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         cli.leave();
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/server.rs:214:20
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 if &val.name == &name {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 if val.name == name {
[INFO] [stderr]     |                    ^^^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         writeln!(io::stderr(), "{}", err);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/client.rs:131:46
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let req_body = if !input.starts_with("/") {
[INFO] [stderr]     |                                              ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/client.rs:163:35
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let message = format!("Commands:
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 164 | |     /help                       Show this message.
[INFO] [stderr] 165 | |     /exit                       Exit from chat.
[INFO] [stderr] 166 | |     /list                       Show participants list.
[INFO] [stderr] 167 | |     /nick NAME [PASSWORD]       Change your name.
[INFO] [stderr] 168 | |     /register NAME PASSWORD     Protect your name
[INFO] [stderr] 169 | | ");
[INFO] [stderr]     | |__^
[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] help: consider using .to_string()
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let message = "Commands:
[INFO] [stderr] 164 |     /help                       Show this message.
[INFO] [stderr] 165 |     /exit                       Exit from chat.
[INFO] [stderr] 166 |     /list                       Show participants list.
[INFO] [stderr] 167 |     /nick NAME [PASSWORD]       Change your name.
[INFO] [stderr] 168 |     /register NAME PASSWORD     Protect your name
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 writeln!(io::stderr(), "{}", err);
[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 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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         writeln!(io::stderr(), "Client {} aborted: {}", cli_addr, err);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 writeln!(io::stderr(), "Request recv error: {}", err);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     writeln!(io::stderr(), "Response send Rrror: {}", err);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         cli.leave();
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 cli.tx.send(Notify::Broadcast(ntf.clone()));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]    --> src/server.rs:214:20
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 if &val.name == &name {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 if val.name == name {
[INFO] [stderr]     |                    ^^^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         writeln!(io::stderr(), "{}", err);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `"docker" "inspect" "5e72043a527b756f0e61543410b27a0440ece34d1c278137fea3b9fbcf2ad916"`
[INFO] running `"docker" "rm" "-f" "5e72043a527b756f0e61543410b27a0440ece34d1c278137fea3b9fbcf2ad916"`
[INFO] [stdout] 5e72043a527b756f0e61543410b27a0440ece34d1c278137fea3b9fbcf2ad916