[INFO] fetching crate crabtype 1.0.0...
[INFO] checking crabtype-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate crabtype 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate crabtype 1.0.0
[INFO] finished tweaking crates.io crate crabtype 1.0.0
[INFO] tweaked toml for crates.io crate crabtype 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crabtype 1.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crabtype 1.0.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ea67117308b70a04994f57fc8029a1bd72f9ed0118effd4b31014af7f7f32db
[INFO] running `Command { std: "docker" "start" "-a" "6ea67117308b70a04994f57fc8029a1bd72f9ed0118effd4b31014af7f7f32db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea67117308b70a04994f57fc8029a1bd72f9ed0118effd4b31014af7f7f32db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea67117308b70a04994f57fc8029a1bd72f9ed0118effd4b31014af7f7f32db", kill_on_drop: false }`
[INFO] [stdout] 6ea67117308b70a04994f57fc8029a1bd72f9ed0118effd4b31014af7f7f32db
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d60f5c90b9f3bfbc39425abb4ccae23e3a865f1473174f7fb34578aea6f935
[INFO] running `Command { std: "docker" "start" "-a" "77d60f5c90b9f3bfbc39425abb4ccae23e3a865f1473174f7fb34578aea6f935", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]     Checking zerocopy v0.7.33
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking winnow v0.6.8
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking lru v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling stability v0.2.0
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking ratatui v0.26.2
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.12
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]     Checking crabtype v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Args`, `Path`, and `convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{convert::TryFrom, env::{self, Args}, io::stdout, path::{Path, PathBuf}, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^              ^^^^                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[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] 15 -     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout] 15 +     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<dyn Stage + 'a >> where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:19:75
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout]    |                                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout] 19 +     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'a >> where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:23:74
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[INFO] [stdout]    |                                                                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[INFO] [stdout] 23 +     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<dyn Stage + 'a >> where Self: 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/round.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/round.rs:56:79
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout]    |                                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout] 56 +     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'b >> where Self: 'b {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/end.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stat`
[INFO] [stdout]  --> src/end.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::game::{Game, HandleKeyEvent, Stage, Stat};
[INFO] [stdout]   |                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/end.rs:16:79
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout]    |                                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout] 16 +     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'b >> where Self: 'b {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/end.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let color = if (self.failed_to_save) {
[INFO] [stdout]    |                        ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         let color = if (self.failed_to_save) {
[INFO] [stdout] 28 +         let color = if self.failed_to_save  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args`, `Path`, and `convert::TryFrom`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{convert::TryFrom, env::{self, Args}, io::stdout, path::{Path, PathBuf}, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^              ^^^^                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[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] 15 -     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout] 15 +     fn handle_event<'a>(self: Box<Self>, event: Event) -> Option<Box<dyn Stage + 'a >> where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:19:75
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout]    |                                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a;
[INFO] [stdout] 19 +     fn handle_key<'a>(self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'a >> where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:23:74
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[INFO] [stdout]    |                                                                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[INFO] [stdout] 23 +     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<dyn Stage + 'a >> where Self: 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/round.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/round.rs:56:79
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout]    |                                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout] 56 +     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'b >> where Self: 'b {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/end.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stat`
[INFO] [stdout]  --> src/end.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::game::{Game, HandleKeyEvent, Stage, Stat};
[INFO] [stdout]   |                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/end.rs:16:79
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout]    |                                                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: 'b {
[INFO] [stdout] 16 +     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<dyn Stage + 'b >> where Self: 'b {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/end.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let color = if (self.failed_to_save) {
[INFO] [stdout]    |                        ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         let color = if (self.failed_to_save) {
[INFO] [stdout] 28 +         let color = if self.failed_to_save  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HandleEvent`
[INFO] [stdout]  --> src/terminal.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::game::{HandleEvent, Stage};
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[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: unused import: `HandleEvent`
[INFO] [stdout]  --> src/terminal.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::game::{HandleEvent, Stage};
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn handle_event<'a>(mut self: Box<Self>, event: Event) -> Option<Box<(dyn Stage + 'a)>> where Self: 'a {
[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/terminal.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(mut stdout: std::io::Stdout) -> std::io::Result<Self> {
[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/end.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: '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/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut stats_path = PathBuf::from_str("default.toml").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backend` is never used
[INFO] [stdout]   --> src/terminal.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Terminal {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn backend(&self) -> &CrosstermBackend<Stdout> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut stats_path = PathBuf::from_str("default.toml").unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let Some(arg) = args.next().map(|it| PathBuf::from_str(&it).unwrap()) else { game_mode = GameMode::from(HELP_TEXT); break };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let Some(arg) = args.next().map(|it| PathBuf::from_str(&it).unwrap()) else { game_mode = GameMode::from(HELP_TEXT); break };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terminal.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(mut stdout: std::io::Stdout) -> std::io::Result<Self> {
[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/end.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn handle_key<'b>(mut self: Box<Self>, key_event: KeyEvent) -> Option<Box<(dyn Stage + 'b)>> where Self: '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/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut stats_path = PathBuf::from_str("default.toml").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `backend` is never used
[INFO] [stdout]   --> src/terminal.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Terminal {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn backend(&self) -> &CrosstermBackend<Stdout> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut stats_path = PathBuf::from_str("default.toml").unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let Some(arg) = args.next().map(|it| PathBuf::from_str(&it).unwrap()) else { game_mode = GameMode::from(HELP_TEXT); break };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let Some(arg) = args.next().map(|it| PathBuf::from_str(&it).unwrap()) else { game_mode = GameMode::from(HELP_TEXT); break };
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabtype` (bin "crabtype") due to 3 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `crabtype` (bin "crabtype" test) due to 3 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "77d60f5c90b9f3bfbc39425abb4ccae23e3a865f1473174f7fb34578aea6f935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d60f5c90b9f3bfbc39425abb4ccae23e3a865f1473174f7fb34578aea6f935", kill_on_drop: false }`
[INFO] [stdout] 77d60f5c90b9f3bfbc39425abb4ccae23e3a865f1473174f7fb34578aea6f935