[INFO] cloning repository https://github.com/Rosayxy/wordle-xy-yu22
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rosayxy/wordle-xy-yu22" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRosayxy%2Fwordle-xy-yu22", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRosayxy%2Fwordle-xy-yu22'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2be9870d6306e41679d275b4d42e3ca9d931ca1a
[INFO] testing Rosayxy/wordle-xy-yu22 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRosayxy%2Fwordle-xy-yu22" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Rosayxy/wordle-xy-yu22
[INFO] finished tweaking git repo https://github.com/Rosayxy/wordle-xy-yu22
[INFO] tweaked toml for git repo https://github.com/Rosayxy/wordle-xy-yu22 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Rosayxy/wordle-xy-yu22 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Rosayxy/wordle-xy-yu22 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543b802e75bbdbb3e1ac84012a6bc0166eafbc9246fbb65bdc8ed3d04d7700cc
[INFO] running `Command { std: "docker" "start" "-a" "543b802e75bbdbb3e1ac84012a6bc0166eafbc9246fbb65bdc8ed3d04d7700cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543b802e75bbdbb3e1ac84012a6bc0166eafbc9246fbb65bdc8ed3d04d7700cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543b802e75bbdbb3e1ac84012a6bc0166eafbc9246fbb65bdc8ed3d04d7700cc", kill_on_drop: false }`
[INFO] [stdout] 543b802e75bbdbb3e1ac84012a6bc0166eafbc9246fbb65bdc8ed3d04d7700cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25155505d2c8d241449d002297f7ae7bf9d4f220ab4329d9bd28fc01918f6b7d
[INFO] running `Command { std: "docker" "start" "-a" "25155505d2c8d241449d002297f7ae7bf9d4f220ab4329d9bd28fc01918f6b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling rustix v0.38.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling ttf-parser v0.19.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling fltk-sys v1.4.7
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.8
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling clap_builder v4.3.10
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling clap v4.3.10
[INFO] [stderr]    Compiling fltk v1.4.7
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/wordle_solver.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeSet, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builtin_words::ACCEPTABLE`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use builtin_words::ACCEPTABLE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Key`, `PackType`, `Pack`, `Shortcut`, `button::Button`, `output::Output`, `window::DoubleWindow`, and `window::Window`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     button::Button,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     enums::{Color, Key, Shortcut},
[INFO] [stdout]    |             ^^^^^  ^^^  ^^^^^^^^
[INFO] [stdout] 12 |     group::{Pack, PackType},
[INFO] [stdout]    |             ^^^^  ^^^^^^^^
[INFO] [stdout] 13 |     output::Output,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     prelude::*,
[INFO] [stdout] 15 |     window::DoubleWindow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     window::Window,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::MyButton`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gui::MyButton;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]   --> src/main.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::{clone, fmt, mem};
[INFO] [stdout]    |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> src/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/create_sets.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/create_sets.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]  --> src/create_sets.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{clone, fmt, mem};
[INFO] [stdout]   |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_set_from_builtin` and `create_set_from_file`
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | use create_sets::{create_set_from_builtin, create_set_from_file, sets_create, DictionaryError};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:135:42
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout]     |                                          ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout] 135 +                     vec_guesses_ele.push((c, Status::new_from_value(3)) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if (equal_not_pos_flag == 1) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -         if (equal_not_pos_flag == 1) {
[INFO] [stdout] 146 +         if equal_not_pos_flag == 1  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |         if (s.parse_to_value() == 2) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -         if (s.parse_to_value() == 2) {
[INFO] [stdout] 168 +         if s.parse_to_value() == 2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:510:28
[INFO] [stdout]     |
[INFO] [stdout] 510 |                         if (ch == *c) {
[INFO] [stdout]     |                            ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 510 -                         if (ch == *c) {
[INFO] [stdout] 510 +                         if ch == *c  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:529:8
[INFO] [stdout]     |
[INFO] [stdout] 529 |     if (is_tty) {
[INFO] [stdout]     |        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 529 -     if (is_tty) {
[INFO] [stdout] 529 +     if is_tty  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]     --> src/main.rs:1059:19
[INFO] [stdout]      |
[INFO] [stdout] 1059 |             while (read_times < 6) {
[INFO] [stdout]      |                   ^              ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1059 -             while (read_times < 6) {
[INFO] [stdout] 1059 +             while read_times < 6  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/wordle_solver.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let ch = it[index].0;
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/wordle_solver.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut total = possible.len();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gui.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut play_but = MyButton::new("Play");
[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/gui.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut quit_but = MyButton::new("Quit");
[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/gui.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut but1 = MyButton::new_table_button();
[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/gui.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut but2 = MyButton::new_table_button();
[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/gui.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut but3 = MyButton::new_table_button();
[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/gui.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut but4 = MyButton::new_table_button();
[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/gui.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut but5 = MyButton::new_table_button();
[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/gui.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut but6 = MyButton::new_table_button();
[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/gui.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut but7 = MyButton::new_table_button();
[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/gui.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut but8 = MyButton::new_table_button();
[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/gui.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut but9 = MyButton::new_table_button();
[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/gui.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut but10 = MyButton::new_table_button();
[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/gui.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut but11 = MyButton::new_table_button();
[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/gui.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let mut but12 = MyButton::new_table_button();
[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/gui.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut but13 = MyButton::new_table_button();
[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/gui.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut but14 = MyButton::new_table_button();
[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/gui.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut but15 = MyButton::new_table_button();
[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/gui.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut but16 = MyButton::new_table_button();
[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/gui.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut but17 = MyButton::new_table_button();
[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/gui.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut but18 = MyButton::new_table_button();
[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/gui.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut but19 = MyButton::new_table_button();
[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/gui.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut but20 = MyButton::new_table_button();
[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/gui.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut but21 = MyButton::new_table_button();
[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/gui.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut but22 = MyButton::new_table_button();
[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/gui.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let mut but23 = MyButton::new_table_button();
[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/gui.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut but24 = MyButton::new_table_button();
[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/gui.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut but25 = MyButton::new_table_button();
[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/gui.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let mut but26 = MyButton::new_table_button();
[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/gui.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut but27 = MyButton::new_table_button();
[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/gui.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut but28 = MyButton::new_table_button();
[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/gui.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut but29 = MyButton::new_table_button();
[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/gui.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut but30 = MyButton::new_table_button();
[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/gui.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut butq = MyButton::new("Q");
[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/gui.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut butw = MyButton::new("W");
[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/gui.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut bute = MyButton::new("E");
[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/gui.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut butr = MyButton::new("R");
[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/gui.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut butt = MyButton::new("T");
[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/gui.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut buty = MyButton::new("Y");
[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/gui.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut butu = MyButton::new("U");
[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/gui.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut buti = MyButton::new("I");
[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/gui.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut buto = MyButton::new("O");
[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/gui.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut butp = MyButton::new("P");
[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/gui.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut buta = MyButton::new("A");
[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/gui.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut buts = MyButton::new("S");
[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/gui.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut butd = MyButton::new("D");
[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/gui.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut butf = MyButton::new("F");
[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/gui.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut butg = MyButton::new("G");
[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/gui.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut buth = MyButton::new("H");
[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/gui.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut butj = MyButton::new("J");
[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/gui.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut butk = MyButton::new("K");
[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/gui.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     let mut butl = MyButton::new("L");
[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/gui.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut butet = MyButton::new("ENTER");
[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/gui.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut butz = MyButton::new("Z");
[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/gui.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut butx = MyButton::new("X");
[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/gui.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut butc = MyButton::new("C");
[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/gui.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut butv = MyButton::new("V");
[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/gui.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut butb = MyButton::new("B");
[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/gui.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut butn = MyButton::new("N");
[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/gui.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let mut butm = MyButton::new("M");
[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/gui.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut butbs = MyButton::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/gui.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut op_vec = vec![butet, butbs, play_but, quit_but];
[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/gui.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut row1_vec = vec![but1, but2, but3, but4, but5];
[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/gui.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut row2_vec = vec![but6, but7, but8, but9, but10];
[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/gui.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut row3_vec = vec![but11, but12, but13, but14, but15];
[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/gui.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let mut row4_vec = vec![but16, but17, but18, but19, but20];
[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/gui.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let mut row5_vec = vec![but21, but22, but23, but24, but25];
[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/gui.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let mut row6_vec = vec![but26, but27, but28, but29, but30];
[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/gui.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut table_vec = vec![row1_vec, row2_vec, row3_vec, row4_vec, row5_vec, row6_vec];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `but_row`
[INFO] [stdout]    --> src/gui.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let but_row = 360;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_but_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/create_sets.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut file_index = 0;
[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:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut count_letter_times = count_times_guess.entry(word).or_insert(0);
[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:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut count_letter_times = count_times_ans.entry(word).or_insert(0);
[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:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut state: State;
[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:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut file_config: Config;
[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:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let mut ans_word = line.trim().to_string();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `guess_word_index` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:508:25
[INFO] [stdout]     |
[INFO] [stdout] 508 |                     let mut guess_word_index = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_guess_word_index` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guess_word_index` is never read
[INFO] [stdout]    --> src/main.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |                         guess_word_index += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:699:9
[INFO] [stdout]     |
[INFO] [stdout] 699 |     let mut current_config: Config;
[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:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = 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:857:18
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:866:17
[INFO] [stdout]     |
[INFO] [stdout] 866 |             for mut but in &mut *op_vec {
[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:1123:17
[INFO] [stdout]      |
[INFO] [stdout] 1123 |             let mut this_round_data: Round;
[INFO] [stdout]      |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/main.rs:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = String::new();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wind`
[INFO] [stdout]    --> src/main.rs:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `day` is never read
[INFO] [stdout]    --> src/main.rs:832:13
[INFO] [stdout]     |
[INFO] [stdout] 832 |             day += 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `col_index` is never read
[INFO] [stdout]    --> src/main.rs:925:41
[INFO] [stdout]     |
[INFO] [stdout] 925 | ...                   col_index = 0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_letter_status` is never used
[INFO] [stdout]   --> src/gui.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn print_letter_status(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:955:81
[INFO] [stdout]     |
[INFO] [stdout] 955 | ...                   let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<(char, Status)>` does not implement `Clone`, so calling `clone` on `&Vec<(char, Status)>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 955 -                                         let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout] 955 +                                         let guess_last = guesses.last().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.96s
[INFO] running `Command { std: "docker" "inspect" "25155505d2c8d241449d002297f7ae7bf9d4f220ab4329d9bd28fc01918f6b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25155505d2c8d241449d002297f7ae7bf9d4f220ab4329d9bd28fc01918f6b7d", kill_on_drop: false }`
[INFO] [stdout] 25155505d2c8d241449d002297f7ae7bf9d4f220ab4329d9bd28fc01918f6b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7dac0af4146764effa2fb9a581cdc0ff5256d63bd339db2d71f93b31ec47c0
[INFO] running `Command { std: "docker" "start" "-a" "3e7dac0af4146764effa2fb9a581cdc0ff5256d63bd339db2d71f93b31ec47c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling winnow v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/wordle_solver.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeSet, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builtin_words::ACCEPTABLE`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use builtin_words::ACCEPTABLE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Key`, `PackType`, `Pack`, `Shortcut`, `button::Button`, `output::Output`, `window::DoubleWindow`, and `window::Window`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     button::Button,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     enums::{Color, Key, Shortcut},
[INFO] [stdout]    |             ^^^^^  ^^^  ^^^^^^^^
[INFO] [stdout] 12 |     group::{Pack, PackType},
[INFO] [stdout]    |             ^^^^  ^^^^^^^^
[INFO] [stdout] 13 |     output::Output,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     prelude::*,
[INFO] [stdout] 15 |     window::DoubleWindow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     window::Window,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::MyButton`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gui::MyButton;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]   --> src/main.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::{clone, fmt, mem};
[INFO] [stdout]    |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> src/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/create_sets.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/create_sets.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]  --> src/create_sets.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{clone, fmt, mem};
[INFO] [stdout]   |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_set_from_builtin` and `create_set_from_file`
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | use create_sets::{create_set_from_builtin, create_set_from_file, sets_create, DictionaryError};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:135:42
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout]     |                                          ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout] 135 +                     vec_guesses_ele.push((c, Status::new_from_value(3)) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if (equal_not_pos_flag == 1) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -         if (equal_not_pos_flag == 1) {
[INFO] [stdout] 146 +         if equal_not_pos_flag == 1  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |         if (s.parse_to_value() == 2) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -         if (s.parse_to_value() == 2) {
[INFO] [stdout] 168 +         if s.parse_to_value() == 2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:510:28
[INFO] [stdout]     |
[INFO] [stdout] 510 |                         if (ch == *c) {
[INFO] [stdout]     |                            ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 510 -                         if (ch == *c) {
[INFO] [stdout] 510 +                         if ch == *c  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:529:8
[INFO] [stdout]     |
[INFO] [stdout] 529 |     if (is_tty) {
[INFO] [stdout]     |        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 529 -     if (is_tty) {
[INFO] [stdout] 529 +     if is_tty  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]     --> src/main.rs:1059:19
[INFO] [stdout]      |
[INFO] [stdout] 1059 |             while (read_times < 6) {
[INFO] [stdout]      |                   ^              ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1059 -             while (read_times < 6) {
[INFO] [stdout] 1059 +             while read_times < 6  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/wordle_solver.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let ch = it[index].0;
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/wordle_solver.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut total = possible.len();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gui.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut play_but = MyButton::new("Play");
[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/gui.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut quit_but = MyButton::new("Quit");
[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/gui.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut but1 = MyButton::new_table_button();
[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/gui.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut but2 = MyButton::new_table_button();
[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/gui.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut but3 = MyButton::new_table_button();
[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/gui.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut but4 = MyButton::new_table_button();
[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/gui.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut but5 = MyButton::new_table_button();
[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/gui.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut but6 = MyButton::new_table_button();
[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/gui.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut but7 = MyButton::new_table_button();
[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/gui.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut but8 = MyButton::new_table_button();
[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/gui.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut but9 = MyButton::new_table_button();
[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/gui.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut but10 = MyButton::new_table_button();
[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/gui.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut but11 = MyButton::new_table_button();
[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/gui.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let mut but12 = MyButton::new_table_button();
[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/gui.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut but13 = MyButton::new_table_button();
[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/gui.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut but14 = MyButton::new_table_button();
[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/gui.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut but15 = MyButton::new_table_button();
[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/gui.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut but16 = MyButton::new_table_button();
[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/gui.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut but17 = MyButton::new_table_button();
[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/gui.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut but18 = MyButton::new_table_button();
[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/gui.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut but19 = MyButton::new_table_button();
[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/gui.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut but20 = MyButton::new_table_button();
[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/gui.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut but21 = MyButton::new_table_button();
[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/gui.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut but22 = MyButton::new_table_button();
[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/gui.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let mut but23 = MyButton::new_table_button();
[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/gui.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut but24 = MyButton::new_table_button();
[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/gui.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut but25 = MyButton::new_table_button();
[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/gui.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let mut but26 = MyButton::new_table_button();
[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/gui.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut but27 = MyButton::new_table_button();
[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/gui.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut but28 = MyButton::new_table_button();
[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/gui.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut but29 = MyButton::new_table_button();
[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/gui.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut but30 = MyButton::new_table_button();
[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/gui.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut butq = MyButton::new("Q");
[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/gui.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut butw = MyButton::new("W");
[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/gui.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut bute = MyButton::new("E");
[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/gui.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut butr = MyButton::new("R");
[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/gui.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut butt = MyButton::new("T");
[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/gui.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut buty = MyButton::new("Y");
[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/gui.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut butu = MyButton::new("U");
[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/gui.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut buti = MyButton::new("I");
[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/gui.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut buto = MyButton::new("O");
[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/gui.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut butp = MyButton::new("P");
[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/gui.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut buta = MyButton::new("A");
[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/gui.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut buts = MyButton::new("S");
[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/gui.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut butd = MyButton::new("D");
[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/gui.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut butf = MyButton::new("F");
[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/gui.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut butg = MyButton::new("G");
[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/gui.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut buth = MyButton::new("H");
[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/gui.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut butj = MyButton::new("J");
[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/gui.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut butk = MyButton::new("K");
[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/gui.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     let mut butl = MyButton::new("L");
[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/gui.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut butet = MyButton::new("ENTER");
[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/gui.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut butz = MyButton::new("Z");
[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/gui.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut butx = MyButton::new("X");
[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/gui.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut butc = MyButton::new("C");
[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/gui.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut butv = MyButton::new("V");
[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/gui.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut butb = MyButton::new("B");
[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/gui.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut butn = MyButton::new("N");
[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/gui.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let mut butm = MyButton::new("M");
[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/gui.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut butbs = MyButton::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/gui.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut op_vec = vec![butet, butbs, play_but, quit_but];
[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/gui.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut row1_vec = vec![but1, but2, but3, but4, but5];
[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/gui.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut row2_vec = vec![but6, but7, but8, but9, but10];
[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/gui.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut row3_vec = vec![but11, but12, but13, but14, but15];
[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/gui.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let mut row4_vec = vec![but16, but17, but18, but19, but20];
[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/gui.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let mut row5_vec = vec![but21, but22, but23, but24, but25];
[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/gui.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let mut row6_vec = vec![but26, but27, but28, but29, but30];
[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/gui.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut table_vec = vec![row1_vec, row2_vec, row3_vec, row4_vec, row5_vec, row6_vec];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `but_row`
[INFO] [stdout]    --> src/gui.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let but_row = 360;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_but_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/create_sets.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut file_index = 0;
[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:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut count_letter_times = count_times_guess.entry(word).or_insert(0);
[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:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut count_letter_times = count_times_ans.entry(word).or_insert(0);
[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:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut state: State;
[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:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut file_config: Config;
[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:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let mut ans_word = line.trim().to_string();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `guess_word_index` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:508:25
[INFO] [stdout]     |
[INFO] [stdout] 508 |                     let mut guess_word_index = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_guess_word_index` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guess_word_index` is never read
[INFO] [stdout]    --> src/main.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |                         guess_word_index += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:699:9
[INFO] [stdout]     |
[INFO] [stdout] 699 |     let mut current_config: Config;
[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:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = 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:857:18
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:866:17
[INFO] [stdout]     |
[INFO] [stdout] 866 |             for mut but in &mut *op_vec {
[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:1123:17
[INFO] [stdout]      |
[INFO] [stdout] 1123 |             let mut this_round_data: Round;
[INFO] [stdout]      |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/main.rs:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = String::new();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wind`
[INFO] [stdout]    --> src/main.rs:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `day` is never read
[INFO] [stdout]    --> src/main.rs:832:13
[INFO] [stdout]     |
[INFO] [stdout] 832 |             day += 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `col_index` is never read
[INFO] [stdout]    --> src/main.rs:925:41
[INFO] [stdout]     |
[INFO] [stdout] 925 | ...                   col_index = 0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_letter_status` is never used
[INFO] [stdout]   --> src/gui.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn print_letter_status(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:955:81
[INFO] [stdout]     |
[INFO] [stdout] 955 | ...                   let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<(char, Status)>` does not implement `Clone`, so calling `clone` on `&Vec<(char, Status)>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 955 -                                         let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout] 955 +                                         let guess_last = guesses.last().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling toml_edit v0.19.10
[INFO] [stderr]    Compiling ntest_test_cases v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling ntest_timeout v0.9.0
[INFO] [stderr]    Compiling ntest v0.9.0
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/wordle_solver.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeSet, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builtin_words::ACCEPTABLE`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use builtin_words::ACCEPTABLE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Key`, `PackType`, `Pack`, `Shortcut`, `button::Button`, `output::Output`, `window::DoubleWindow`, and `window::Window`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     button::Button,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     enums::{Color, Key, Shortcut},
[INFO] [stdout]    |             ^^^^^  ^^^  ^^^^^^^^
[INFO] [stdout] 12 |     group::{Pack, PackType},
[INFO] [stdout]    |             ^^^^  ^^^^^^^^
[INFO] [stdout] 13 |     output::Output,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     prelude::*,
[INFO] [stdout] 15 |     window::DoubleWindow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     window::Window,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::MyButton`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gui::MyButton;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]   --> src/main.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::{clone, fmt, mem};
[INFO] [stdout]    |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> src/main.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/create_sets.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/create_sets.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone` and `mem`
[INFO] [stdout]  --> src/create_sets.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{clone, fmt, mem};
[INFO] [stdout]   |           ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_set_from_builtin` and `create_set_from_file`
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | use create_sets::{create_set_from_builtin, create_set_from_file, sets_create, DictionaryError};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:135:42
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout]     |                                          ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stdout] 135 +                     vec_guesses_ele.push((c, Status::new_from_value(3)) );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if (equal_not_pos_flag == 1) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -         if (equal_not_pos_flag == 1) {
[INFO] [stdout] 146 +         if equal_not_pos_flag == 1  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |         if (s.parse_to_value() == 2) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -         if (s.parse_to_value() == 2) {
[INFO] [stdout] 168 +         if s.parse_to_value() == 2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:510:28
[INFO] [stdout]     |
[INFO] [stdout] 510 |                         if (ch == *c) {
[INFO] [stdout]     |                            ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 510 -                         if (ch == *c) {
[INFO] [stdout] 510 +                         if ch == *c  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:529:8
[INFO] [stdout]     |
[INFO] [stdout] 529 |     if (is_tty) {
[INFO] [stdout]     |        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 529 -     if (is_tty) {
[INFO] [stdout] 529 +     if is_tty  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]     --> src/main.rs:1059:19
[INFO] [stdout]      |
[INFO] [stdout] 1059 |             while (read_times < 6) {
[INFO] [stdout]      |                   ^              ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1059 -             while (read_times < 6) {
[INFO] [stdout] 1059 +             while read_times < 6  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/wordle_solver.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     let ch = it[index].0;
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/wordle_solver.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut total = possible.len();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gui.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut play_but = MyButton::new("Play");
[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/gui.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut quit_but = MyButton::new("Quit");
[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/gui.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut but1 = MyButton::new_table_button();
[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/gui.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut but2 = MyButton::new_table_button();
[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/gui.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut but3 = MyButton::new_table_button();
[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/gui.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut but4 = MyButton::new_table_button();
[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/gui.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut but5 = MyButton::new_table_button();
[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/gui.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut but6 = MyButton::new_table_button();
[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/gui.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut but7 = MyButton::new_table_button();
[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/gui.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut but8 = MyButton::new_table_button();
[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/gui.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut but9 = MyButton::new_table_button();
[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/gui.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut but10 = MyButton::new_table_button();
[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/gui.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut but11 = MyButton::new_table_button();
[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/gui.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let mut but12 = MyButton::new_table_button();
[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/gui.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut but13 = MyButton::new_table_button();
[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/gui.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut but14 = MyButton::new_table_button();
[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/gui.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut but15 = MyButton::new_table_button();
[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/gui.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut but16 = MyButton::new_table_button();
[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/gui.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut but17 = MyButton::new_table_button();
[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/gui.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut but18 = MyButton::new_table_button();
[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/gui.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut but19 = MyButton::new_table_button();
[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/gui.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut but20 = MyButton::new_table_button();
[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/gui.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut but21 = MyButton::new_table_button();
[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/gui.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut but22 = MyButton::new_table_button();
[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/gui.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let mut but23 = MyButton::new_table_button();
[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/gui.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut but24 = MyButton::new_table_button();
[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/gui.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut but25 = MyButton::new_table_button();
[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/gui.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let mut but26 = MyButton::new_table_button();
[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/gui.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut but27 = MyButton::new_table_button();
[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/gui.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut but28 = MyButton::new_table_button();
[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/gui.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut but29 = MyButton::new_table_button();
[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/gui.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut but30 = MyButton::new_table_button();
[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/gui.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     let mut butq = MyButton::new("Q");
[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/gui.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut butw = MyButton::new("W");
[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/gui.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut bute = MyButton::new("E");
[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/gui.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut butr = MyButton::new("R");
[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/gui.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut butt = MyButton::new("T");
[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/gui.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut buty = MyButton::new("Y");
[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/gui.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut butu = MyButton::new("U");
[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/gui.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut buti = MyButton::new("I");
[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/gui.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut buto = MyButton::new("O");
[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/gui.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut butp = MyButton::new("P");
[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/gui.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut buta = MyButton::new("A");
[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/gui.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut buts = MyButton::new("S");
[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/gui.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut butd = MyButton::new("D");
[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/gui.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut butf = MyButton::new("F");
[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/gui.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let mut butg = MyButton::new("G");
[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/gui.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let mut buth = MyButton::new("H");
[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/gui.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let mut butj = MyButton::new("J");
[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/gui.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut butk = MyButton::new("K");
[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/gui.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     let mut butl = MyButton::new("L");
[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/gui.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut butet = MyButton::new("ENTER");
[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/gui.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut butz = MyButton::new("Z");
[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/gui.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut butx = MyButton::new("X");
[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/gui.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut butc = MyButton::new("C");
[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/gui.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut butv = MyButton::new("V");
[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/gui.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut butb = MyButton::new("B");
[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/gui.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut butn = MyButton::new("N");
[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/gui.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let mut butm = MyButton::new("M");
[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/gui.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut butbs = MyButton::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/gui.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut op_vec = vec![butet, butbs, play_but, quit_but];
[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/gui.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut row1_vec = vec![but1, but2, but3, but4, but5];
[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/gui.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut row2_vec = vec![but6, but7, but8, but9, but10];
[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/gui.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut row3_vec = vec![but11, but12, but13, but14, but15];
[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/gui.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let mut row4_vec = vec![but16, but17, but18, but19, but20];
[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/gui.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let mut row5_vec = vec![but21, but22, but23, but24, but25];
[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/gui.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let mut row6_vec = vec![but26, but27, but28, but29, but30];
[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/gui.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let mut table_vec = vec![row1_vec, row2_vec, row3_vec, row4_vec, row5_vec, row6_vec];
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `but_row`
[INFO] [stdout]    --> src/gui.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let but_row = 360;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_but_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/create_sets.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut file_index = 0;
[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:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut count_letter_times = count_times_guess.entry(word).or_insert(0);
[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:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut count_letter_times = count_times_ans.entry(word).or_insert(0);
[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:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut state: State;
[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:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut file_config: Config;
[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:458:9
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let mut ans_word = line.trim().to_string();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `guess_word_index` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:508:25
[INFO] [stdout]     |
[INFO] [stdout] 508 |                     let mut guess_word_index = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_guess_word_index` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guess_word_index` is never read
[INFO] [stdout]    --> src/main.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |                         guess_word_index += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:699:9
[INFO] [stdout]     |
[INFO] [stdout] 699 |     let mut current_config: Config;
[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:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = 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:857:18
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[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:866:17
[INFO] [stdout]     |
[INFO] [stdout] 866 |             for mut but in &mut *op_vec {
[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:1123:17
[INFO] [stdout]      |
[INFO] [stdout] 1123 |             let mut this_round_data: Round;
[INFO] [stdout]      |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/main.rs:806:9
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut line = String::new();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wind`
[INFO] [stdout]    --> src/main.rs:857:27
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `day` is never read
[INFO] [stdout]    --> src/main.rs:832:13
[INFO] [stdout]     |
[INFO] [stdout] 832 |             day += 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `col_index` is never read
[INFO] [stdout]    --> src/main.rs:925:41
[INFO] [stdout]     |
[INFO] [stdout] 925 | ...                   col_index = 0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_letter_status` is never used
[INFO] [stdout]   --> src/gui.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn print_letter_status(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:955:81
[INFO] [stdout]     |
[INFO] [stdout] 955 | ...                   let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<(char, Status)>` does not implement `Clone`, so calling `clone` on `&Vec<(char, Status)>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 955 -                                         let guess_last = guesses.last().unwrap().clone();
[INFO] [stdout] 955 +                                         let guess_last = guesses.last().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "3e7dac0af4146764effa2fb9a581cdc0ff5256d63bd339db2d71f93b31ec47c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7dac0af4146764effa2fb9a581cdc0ff5256d63bd339db2d71f93b31ec47c0", kill_on_drop: false }`
[INFO] [stdout] 3e7dac0af4146764effa2fb9a581cdc0ff5256d63bd339db2d71f93b31ec47c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb3dce37326c045ffcfc47d3b23473c9d3eb1d5294d734ff54711885b53f13dc
[INFO] running `Command { std: "docker" "start" "-a" "fb3dce37326c045ffcfc47d3b23473c9d3eb1d5294d734ff54711885b53f13dc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/wordle_solver.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 |     collections::{BTreeSet, HashMap},
[INFO] [stderr]   |                             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `builtin_words::ACCEPTABLE`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use builtin_words::ACCEPTABLE;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Key`, `PackType`, `Pack`, `Shortcut`, `button::Button`, `output::Output`, `window::DoubleWindow`, and `window::Window`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     button::Button,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 11 |     enums::{Color, Key, Shortcut},
[INFO] [stderr]    |             ^^^^^  ^^^  ^^^^^^^^
[INFO] [stderr] 12 |     group::{Pack, PackType},
[INFO] [stderr]    |             ^^^^  ^^^^^^^^
[INFO] [stderr] 13 |     output::Output,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 14 |     prelude::*,
[INFO] [stderr] 15 |     window::DoubleWindow,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 |     window::Window,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gui::MyButton`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use gui::MyButton;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `clone` and `mem`
[INFO] [stderr]   --> src/main.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::{clone, fmt, mem};
[INFO] [stderr]    |           ^^^^^       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread` and `time`
[INFO] [stderr]   --> src/main.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::{thread, time};
[INFO] [stderr]    |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/create_sets.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/create_sets.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{BTreeSet, HashMap};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `clone` and `mem`
[INFO] [stderr]  --> src/create_sets.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{clone, fmt, mem};
[INFO] [stderr]   |           ^^^^^       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `create_set_from_builtin` and `create_set_from_file`
[INFO] [stderr]   --> src/main.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 | use create_sets::{create_set_from_builtin, create_set_from_file, sets_create, DictionaryError};
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:135:42
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stderr]     |                                          ^                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 135 -                     vec_guesses_ele.push(((c, Status::new_from_value(3))));
[INFO] [stderr] 135 +                     vec_guesses_ele.push((c, Status::new_from_value(3)) );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |         if (equal_not_pos_flag == 1) {
[INFO] [stderr]     |            ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 146 -         if (equal_not_pos_flag == 1) {
[INFO] [stderr] 146 +         if equal_not_pos_flag == 1  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:168:12
[INFO] [stderr]     |
[INFO] [stderr] 168 |         if (s.parse_to_value() == 2) {
[INFO] [stderr]     |            ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 168 -         if (s.parse_to_value() == 2) {
[INFO] [stderr] 168 +         if s.parse_to_value() == 2  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:510:28
[INFO] [stderr]     |
[INFO] [stderr] 510 |                         if (ch == *c) {
[INFO] [stderr]     |                            ^        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 510 -                         if (ch == *c) {
[INFO] [stderr] 510 +                         if ch == *c  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:529:8
[INFO] [stderr]     |
[INFO] [stderr] 529 |     if (is_tty) {
[INFO] [stderr]     |        ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 529 -     if (is_tty) {
[INFO] [stderr] 529 +     if is_tty  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]     --> src/main.rs:1059:19
[INFO] [stderr]      |
[INFO] [stderr] 1059 |             while (read_times < 6) {
[INFO] [stderr]      |                   ^              ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1059 -             while (read_times < 6) {
[INFO] [stderr] 1059 +             while read_times < 6  {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]   --> src/wordle_solver.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     let ch = it[index].0;
[INFO] [stderr]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/wordle_solver.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut total = possible.len();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let mut play_but = MyButton::new("Play");
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut quit_but = MyButton::new("Quit");
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut but1 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut but2 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let mut but3 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut but4 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let mut but5 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut but6 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut but7 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let mut but8 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let mut but9 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let mut but10 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut but11 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut but12 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let mut but13 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let mut but14 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let mut but15 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut but16 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let mut but17 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let mut but18 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut but19 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut but20 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let mut but21 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut but22 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let mut but23 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let mut but24 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let mut but25 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let mut but26 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |     let mut but27 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let mut but28 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut but29 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut but30 = MyButton::new_table_button();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |     let mut butq = MyButton::new("Q");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut butw = MyButton::new("W");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let mut bute = MyButton::new("E");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut butr = MyButton::new("R");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let mut butt = MyButton::new("T");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut buty = MyButton::new("Y");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let mut butu = MyButton::new("U");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     let mut buti = MyButton::new("I");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut buto = MyButton::new("O");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut butp = MyButton::new("P");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let mut buta = MyButton::new("A");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let mut buts = MyButton::new("S");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let mut butd = MyButton::new("D");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let mut butf = MyButton::new("F");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let mut butg = MyButton::new("G");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let mut buth = MyButton::new("H");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let mut butj = MyButton::new("J");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut butk = MyButton::new("K");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |     let mut butl = MyButton::new("L");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let mut butet = MyButton::new("ENTER");
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let mut butz = MyButton::new("Z");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let mut butx = MyButton::new("X");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let mut butc = MyButton::new("C");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |     let mut butv = MyButton::new("V");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let mut butb = MyButton::new("B");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut butn = MyButton::new("N");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let mut butm = MyButton::new("M");
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |     let mut butbs = MyButton::new("@<-");
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let mut op_vec = vec![butet, butbs, play_but, quit_but];
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let mut row1_vec = vec![but1, but2, but3, but4, but5];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let mut row2_vec = vec![but6, but7, but8, but9, but10];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:252:9
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let mut row3_vec = vec![but11, but12, but13, but14, but15];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |     let mut row4_vec = vec![but16, but17, but18, but19, but20];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let mut row5_vec = vec![but21, but22, but23, but24, but25];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |     let mut row6_vec = vec![but26, but27, but28, but29, but30];
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gui.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |     let mut table_vec = vec![row1_vec, row2_vec, row3_vec, row4_vec, row5_vec, row6_vec];
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `but_row`
[INFO] [stderr]    --> src/gui.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let but_row = 360;
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_but_row`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/create_sets.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut file_index = 0;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let mut count_letter_times = count_times_guess.entry(word).or_insert(0);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let mut count_letter_times = count_times_ans.entry(word).or_insert(0);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let mut state: State;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 |     let mut file_config: Config;
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:458:9
[INFO] [stderr]     |
[INFO] [stderr] 458 |     let mut ans_word = line.trim().to_string();
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `guess_word_index` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:508:25
[INFO] [stderr]     |
[INFO] [stderr] 508 |                     let mut guess_word_index = 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_guess_word_index` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guess_word_index` is never read
[INFO] [stderr]    --> src/main.rs:513:25
[INFO] [stderr]     |
[INFO] [stderr] 513 |                         guess_word_index += 1;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:699:9
[INFO] [stderr]     |
[INFO] [stderr] 699 |     let mut current_config: Config;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:806:9
[INFO] [stderr]     |
[INFO] [stderr] 806 |     let mut line = String::new();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:857:18
[INFO] [stderr]     |
[INFO] [stderr] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stderr]     |                  ----^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:857:27
[INFO] [stderr]     |
[INFO] [stderr] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:866:17
[INFO] [stderr]     |
[INFO] [stderr] 866 |             for mut but in &mut *op_vec {
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1123:17
[INFO] [stderr]      |
[INFO] [stderr] 1123 |             let mut this_round_data: Round;
[INFO] [stderr]      |                 ----^^^^^^^^^^^^^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/main.rs:806:9
[INFO] [stderr]     |
[INFO] [stderr] 806 |     let mut line = String::new();
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wind`
[INFO] [stderr]    --> src/main.rs:857:27
[INFO] [stderr]     |
[INFO] [stderr] 857 |             let (mut app, mut wind, mut but_vec, mut op_vec, mut table_vec, mut out) =
[INFO] [stderr]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wind`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `day` is never read
[INFO] [stderr]    --> src/main.rs:832:13
[INFO] [stderr]     |
[INFO] [stderr] 832 |             day += 1;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `col_index` is never read
[INFO] [stderr]    --> src/main.rs:925:41
[INFO] [stderr]     |
[INFO] [stderr] 925 | ...                   col_index = 0;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_letter_status` is never used
[INFO] [stderr]   --> src/gui.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn print_letter_status(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:955:81
[INFO] [stderr]     |
[INFO] [stderr] 955 | ...                   let guess_last = guesses.last().unwrap().clone();
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Vec<(char, Status)>` does not implement `Clone`, so calling `clone` on `&Vec<(char, Status)>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 955 -                                         let guess_last = guesses.last().unwrap().clone();
[INFO] [stderr] 955 +                                         let guess_last = guesses.last().unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `wordle` (bin "wordle") generated 108 warnings (run `cargo fix --bin "wordle" -p wordle` to apply 103 suggestions)
[INFO] [stderr] warning: `wordle` (bin "wordle" test) generated 108 warnings (108 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wordle-4313221698c22446)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_requirements.rs (/opt/rustwide/target/debug/deps/basic_requirements-873934b0c32958e0)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_07_5_pts_save_game_state ... FAILED
[INFO] [stdout] test test_02_5_pts_specify_answer ... ok
[INFO] [stdout] test test_03_10_pts_difficult_mode ... ok
[INFO] [stderr] Error: DictionaryError { error_type: 3 }
[INFO] [stdout] test test_06_5_pts_specify_word_list ... ok
[INFO] [stdout] test test_04_5_pts_continue_game_and_statistics ... ok
[INFO] [stdout] test test_01_20_pts_basic_one_game ... ok
[INFO] [stderr] Error: ShuffleWhenNotRandomError
[INFO] [stdout] test test_05_5_pts_specify_offset_and_seed ... ok
[INFO] [stdout] test test_08_5_pts_config_file ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_07_5_pts_save_game_state stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (43) panicked at tests/common.rs:107:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555b86a16f82 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x555b86a16f82 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x555b86a16f82 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x555b86a16f82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x555b86a2772f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x555b86a2772f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x555b869e37e3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x555b869e37e3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x555b869f0152 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x555b869f51bf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x555b869f5051 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x555b86972a5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x555b86972a5e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x555b869f57cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x555b869f57cf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x555b869f562a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x555b869f0289 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x555b869d784d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x555b86a2f1f0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x555b86a2e7a6 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x555b86929801 - core::result::Result<T,E>::unwrap::h44c9d4979ed9c74d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x555b86929801 - basic_requirements::common::TestCase::run_and_compare_game_state::h28194a315e505239
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/common.rs:107:60
[INFO] [stdout]   22:     0x555b8694de0c - basic_requirements::test_07_5_pts_save_game_state::ntest_callback::h6242b6fad0e98ea3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_requirements.rs:65:40
[INFO] [stdout]   23:     0x555b8694e193 - basic_requirements::test_07_5_pts_save_game_state::{{closure}}::ha5f58eb4bf2ac2e7
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_requirements.rs:62:1
[INFO] [stdout]   24:     0x555b8694f363 - std::sys::backtrace::__rust_begin_short_backtrace::ha0ec3fcdfb2044cb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   25:     0x555b869270eb - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h03acec28db1e4b8c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   26:     0x555b869409a0 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc50e27a4f6415f95
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x555b86946646 - std::panicking::catch_unwind::do_call::h6f7a57eb86128137
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x555b8692874b - __rust_try
[INFO] [stdout]   29:     0x555b869240fe - std::panicking::catch_unwind::hfc8a511b51efc1c9
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x555b869240fe - std::panic::catch_unwind::hf6a72dfe0892bad5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x555b869240fe - std::thread::Builder::spawn_unchecked_::{{closure}}::h09a8fae6c874b53b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   32:     0x555b8692d6ae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c6cceac465707fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x555b869eb56f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   34:     0x555b869eb56f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   35:     0x72a563381aa4 - <unknown>
[INFO] [stdout]   36:     0x72a56340ea64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'test_07_5_pts_save_game_state' (38) panicked at tests/basic_requirements.rs:62:1:
[INFO] [stdout] explicit panic
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555b86a16f82 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x555b86a16f82 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x555b86a16f82 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x555b86a16f82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x555b86a2772f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x555b86a2772f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x555b869e37e3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x555b869e37e3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x555b869f0152 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x555b869f51bf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x555b869f5051 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x555b86972a5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x555b86972a5e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x555b869f57cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x555b869f57cf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x555b869f4ecc - std::panicking::begin_panic::{{closure}}::ha30daa6b1336d1e3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:771:9
[INFO] [stdout]   16:     0x555b869f0299 - std::sys::backtrace::__rust_end_short_backtrace::hd6a8e53a275227a5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x555b869f4e9c - std::panicking::begin_panic::h5e715d3b3eb04d46
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:770:5
[INFO] [stdout]   18:     0x555b8694e08b - basic_requirements::test_07_5_pts_save_game_state::h177affe5673bd44a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_requirements.rs:62:1
[INFO] [stdout]   19:     0x555b8694e217 - basic_requirements::test_07_5_pts_save_game_state::{{closure}}::hae2ad627817fc7c3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/basic_requirements.rs:63:35
[INFO] [stdout]   20:     0x555b8692db46 - core::ops::function::FnOnce::call_once::hf5a4945414e940a8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   21:     0x555b8697285b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x555b8697285b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   23:     0x555b869868bd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   24:     0x555b869868bd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   25:     0x555b869868bd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x555b869868bd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x555b869868bd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x555b869868bd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   29:     0x555b869868bd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   30:     0x555b8695fe04 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   31:     0x555b8695fe04 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   32:     0x555b8696365a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   33:     0x555b8696365a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   34:     0x555b8696365a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   35:     0x555b8696365a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   36:     0x555b8696365a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x555b8696365a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   38:     0x555b8696365a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x555b869eb56f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   40:     0x555b869eb56f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   41:     0x72a563381aa4 - <unknown>
[INFO] [stdout]   42:     0x72a56340ea64 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_07_5_pts_save_game_state
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test basic_requirements`
[INFO] running `Command { std: "docker" "inspect" "fb3dce37326c045ffcfc47d3b23473c9d3eb1d5294d734ff54711885b53f13dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3dce37326c045ffcfc47d3b23473c9d3eb1d5294d734ff54711885b53f13dc", kill_on_drop: false }`
[INFO] [stdout] fb3dce37326c045ffcfc47d3b23473c9d3eb1d5294d734ff54711885b53f13dc
