[INFO] cloning repository https://github.com/Andromeda1101/wordle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Andromeda1101/wordle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndromeda1101%2Fwordle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndromeda1101%2Fwordle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d800cf6bd2b7c717820c4aa44b2f30cfc9c60df0
[INFO] checking Andromeda1101/wordle against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndromeda1101%2Fwordle" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Andromeda1101/wordle
[INFO] finished tweaking git repo https://github.com/Andromeda1101/wordle
[INFO] tweaked toml for git repo https://github.com/Andromeda1101/wordle written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Andromeda1101/wordle on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Andromeda1101/wordle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 6b211195153f810365abc54fb9dedc1c1e09d562d0cda538e29dd13a89d2edfa
[INFO] running `Command { std: "docker" "start" "-a" "6b211195153f810365abc54fb9dedc1c1e09d562d0cda538e29dd13a89d2edfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b211195153f810365abc54fb9dedc1c1e09d562d0cda538e29dd13a89d2edfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b211195153f810365abc54fb9dedc1c1e09d562d0cda538e29dd13a89d2edfa", kill_on_drop: false }`
[INFO] [stdout] 6b211195153f810365abc54fb9dedc1c1e09d562d0cda538e29dd13a89d2edfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ff27a885c667356eb6d25b9dae84ff5873148e776f3eee9cbf2c3643cdd50c
[INFO] running `Command { std: "docker" "start" "-a" "60ff27a885c667356eb6d25b9dae84ff5873148e776f3eee9cbf2c3643cdd50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ratatui::style::{Style, Stylize};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratatui::widgets`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ratatui::widgets;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alignment`, `Event`, `Frame`, `KeyEvent`, `Line`, `Position`, `Text`, `Title`, `Widget`, `buffer::Buffer`, `prelude`, and `symbols::border`
[INFO] [stdout]   --> src/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         event::{self, Event, KeyCode, KeyEvent, KeyEventKind},
[INFO] [stdout]    |                       ^^^^^           ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     prelude,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     Terminal,
[INFO] [stdout] 38 |     buffer::Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     layout::{Alignment, Rect},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 40 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     text::{Line, Text},
[INFO] [stdout]    |            ^^^^  ^^^^
[INFO] [stdout] 42 |     widgets::{
[INFO] [stdout] 43 |         block::{Position, Title},
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^
[INFO] [stdout] 44 |         Block, Paragraph, Widget,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Style`
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ratatui::style::{Style, Stylize};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratatui::widgets`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ratatui::widgets;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alignment`, `Event`, `Frame`, `KeyEvent`, `Line`, `Position`, `Text`, `Title`, `Widget`, `buffer::Buffer`, `prelude`, and `symbols::border`
[INFO] [stdout]   --> src/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         event::{self, Event, KeyCode, KeyEvent, KeyEventKind},
[INFO] [stdout]    |                       ^^^^^           ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     prelude,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     Terminal,
[INFO] [stdout] 38 |     buffer::Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     layout::{Alignment, Rect},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 40 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     text::{Line, Text},
[INFO] [stdout]    |            ^^^^  ^^^^
[INFO] [stdout] 42 |     widgets::{
[INFO] [stdout] 43 |         block::{Position, Title},
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^
[INFO] [stdout] 44 |         Block, Paragraph, Widget,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn sort_ans(mut a: &mut Vec<(String, f64)>)-> () {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 let mut s:String = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:307:21
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 let mut s:String = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:465:61
[INFO] [stdout]     |
[INFO] [stdout] 465 | ...   mut save_wtimes: &mut Vec<(String, usize)>, mut guess_list: &mut Vec<String>, is_recm: bool) -> Result<usize,Box<dyn std::error::Er...
[INFO] [stdout]     |                                                   ----^^^^^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let mut vec_w = word_to_vec(word.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |         let mut vec_g = word_to_vec(guessword.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tw` is never read
[INFO] [stdout]    --> src/main.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let mut tw = String::new();
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `readin_word` is never read
[INFO] [stdout]    --> src/main.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |     let mut readin_word: String = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 566 |     let mut buffer_reader = BufReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_word` is never read
[INFO] [stdout]    --> src/main.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 586 |     let mut target_word = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res_w` is never read
[INFO] [stdout]    --> src/main.rs:770:17
[INFO] [stdout]     |
[INFO] [stdout] 770 |         let mut res_w: usize = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:908:13
[INFO] [stdout]     |
[INFO] [stdout] 908 |         for j in 0..5 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1000:21
[INFO] [stdout]      |
[INFO] [stdout] 1000 |                 let c = getchar();
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1051:13
[INFO] [stdout]      |
[INFO] [stdout] 1051 |         let c = getchar();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1072:13
[INFO] [stdout]      |
[INFO] [stdout] 1072 |         let c = getchar();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:921:25
[INFO] [stdout]     |
[INFO] [stdout] 921 |                         mut guess_list: &mut Vec<String>, is_recm: bool) -> Result<(),io::Error> {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:933:9
[INFO] [stdout]     |
[INFO] [stdout] 933 |     let mut vec_w = word_to_vec(word.clone());
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1005:21
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                 let mut vec_g = word_to_vec(guessword.clone());
[INFO] [stdout]      |                     ----^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/main.rs:194:18
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn ui_output(&self)-> Paragraph {
[INFO] [stdout]     |                  ^^^^^    --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn ui_output(&self)-> Paragraph<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut res = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 | fn sort_ans(mut a: &mut Vec<(String, f64)>)-> () {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 let mut s:String = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:307:21
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 let mut s:String = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:465:61
[INFO] [stdout]     |
[INFO] [stdout] 465 | ...   mut save_wtimes: &mut Vec<(String, usize)>, mut guess_list: &mut Vec<String>, is_recm: bool) -> Result<usize,Box<dyn std::error::Er...
[INFO] [stdout]     |                                                   ----^^^^^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |         let mut vec_w = word_to_vec(word.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |         let mut vec_g = word_to_vec(guessword.clone());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tw` is never read
[INFO] [stdout]    --> src/main.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let mut tw = String::new();
[INFO] [stdout]     |             ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `readin_word` is never read
[INFO] [stdout]    --> src/main.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |     let mut readin_word: String = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 566 |     let mut buffer_reader = BufReader::new(file);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `target_word` is never read
[INFO] [stdout]    --> src/main.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 586 |     let mut target_word = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res_w` is never read
[INFO] [stdout]    --> src/main.rs:770:17
[INFO] [stdout]     |
[INFO] [stdout] 770 |         let mut res_w: usize = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:908:13
[INFO] [stdout]     |
[INFO] [stdout] 908 |         for j in 0..5 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1000:21
[INFO] [stdout]      |
[INFO] [stdout] 1000 |                 let c = getchar();
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1051:13
[INFO] [stdout]      |
[INFO] [stdout] 1051 |         let c = getchar();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1072:13
[INFO] [stdout]      |
[INFO] [stdout] 1072 |         let c = getchar();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:921:25
[INFO] [stdout]     |
[INFO] [stdout] 921 |                         mut guess_list: &mut Vec<String>, is_recm: bool) -> Result<(),io::Error> {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:933:9
[INFO] [stdout]     |
[INFO] [stdout] 933 |     let mut vec_w = word_to_vec(word.clone());
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1005:21
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                 let mut vec_g = word_to_vec(guessword.clone());
[INFO] [stdout]      |                     ----^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/main.rs:194:18
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn ui_output(&self)-> Paragraph {
[INFO] [stdout]     |                  ^^^^^    --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn ui_output(&self)-> Paragraph<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.80s
[INFO] running `Command { std: "docker" "inspect" "60ff27a885c667356eb6d25b9dae84ff5873148e776f3eee9cbf2c3643cdd50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ff27a885c667356eb6d25b9dae84ff5873148e776f3eee9cbf2c3643cdd50c", kill_on_drop: false }`
[INFO] [stdout] 60ff27a885c667356eb6d25b9dae84ff5873148e776f3eee9cbf2c3643cdd50c
