[INFO] cloning repository https://github.com/erwinmintiens/rust-whist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erwinmintiens/rust-whist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinmintiens%2Frust-whist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinmintiens%2Frust-whist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab61bfe2bd7e9ebbc41911b509332ee0aa0e700
[INFO] checking erwinmintiens/rust-whist against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinmintiens%2Frust-whist" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erwinmintiens/rust-whist on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erwinmintiens/rust-whist
[INFO] finished tweaking git repo https://github.com/erwinmintiens/rust-whist
[INFO] tweaked toml for git repo https://github.com/erwinmintiens/rust-whist written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erwinmintiens/rust-whist 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inquire v0.7.0
[INFO] [stderr]   Downloaded newline-converter v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2778667a6ed6df2d3f2a05bd91c22675a16ac90f5eb53d4a380adfbef7e99139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2778667a6ed6df2d3f2a05bd91c22675a16ac90f5eb53d4a380adfbef7e99139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2778667a6ed6df2d3f2a05bd91c22675a16ac90f5eb53d4a380adfbef7e99139", kill_on_drop: false }`
[INFO] [stdout] 2778667a6ed6df2d3f2a05bd91c22675a16ac90f5eb53d4a380adfbef7e99139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 017af2a1656017d53afc244498124ded4899b08c8d3bdeb3f3107d22ca68932a
[INFO] running `Command { std: "docker" "start" "-a" "017af2a1656017d53afc244498124ded4899b08c8d3bdeb3f3107d22ca68932a", kill_on_drop: false }`
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking newline-converter v0.3.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking inquire v0.7.0
[INFO] [stderr]     Checking rust-whist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> src/points/troel.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::models::game::{Game, Player, Points};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Game` is imported redundantly
[INFO] [stdout]    --> src/points/solo.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use crate::models::game::Game;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 123 |
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Game` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::models::game::Game`
[INFO] [stdout]   --> src/points/vragen_en_meegaan.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use crate::models::game::Game;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `playing_players_success_points`
[INFO] [stdout]    --> src/points/vragen_en_meegaan.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 |             playing_players_failure_points, playing_players_success_points,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn settings(mut game: Game) -> Game {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_mode` is never read
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UnexpectedGameModeError {
[INFO] [stdout]   |            ----------------------- field in this struct
[INFO] [stdout] 7 |     game_mode: GameMode,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UnexpectedGameModeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnexpectedGameModeError {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(game_mode: GameMode, msg: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_player` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn select_player<'a>(game: &'a Game) -> Result<&'a Player, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn settings(mut game: Game) -> Game {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_mode` is never read
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UnexpectedGameModeError {
[INFO] [stdout]   |            ----------------------- field in this struct
[INFO] [stdout] 7 |     game_mode: GameMode,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UnexpectedGameModeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnexpectedGameModeError {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(game_mode: GameMode, msg: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_player` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn select_player<'a>(game: &'a Game) -> Result<&'a Player, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "017af2a1656017d53afc244498124ded4899b08c8d3bdeb3f3107d22ca68932a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017af2a1656017d53afc244498124ded4899b08c8d3bdeb3f3107d22ca68932a", kill_on_drop: false }`
[INFO] [stdout] 017af2a1656017d53afc244498124ded4899b08c8d3bdeb3f3107d22ca68932a
[INFO] checking erwinmintiens/rust-whist against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinmintiens%2Frust-whist" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erwinmintiens/rust-whist on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erwinmintiens/rust-whist
[INFO] finished tweaking git repo https://github.com/erwinmintiens/rust-whist
[INFO] tweaked toml for git repo https://github.com/erwinmintiens/rust-whist written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/erwinmintiens/rust-whist 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afb7a3dd55c49bc4cef1d14b7b6299b6ccc4484e87b3dfafc666d38233d6f22c
[INFO] running `Command { std: "docker" "start" "-a" "afb7a3dd55c49bc4cef1d14b7b6299b6ccc4484e87b3dfafc666d38233d6f22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb7a3dd55c49bc4cef1d14b7b6299b6ccc4484e87b3dfafc666d38233d6f22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb7a3dd55c49bc4cef1d14b7b6299b6ccc4484e87b3dfafc666d38233d6f22c", kill_on_drop: false }`
[INFO] [stdout] afb7a3dd55c49bc4cef1d14b7b6299b6ccc4484e87b3dfafc666d38233d6f22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 300daa03754392f810a58dc77c47ab888d52295f48c3297144e3c14e2dadce6e
[INFO] running `Command { std: "docker" "start" "-a" "300daa03754392f810a58dc77c47ab888d52295f48c3297144e3c14e2dadce6e", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking newline-converter v0.3.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking inquire v0.7.0
[INFO] [stderr]     Checking rust-whist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> src/points/troel.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::models::game::{Game, Player, Points};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Game` is imported redundantly
[INFO] [stdout]    --> src/points/solo.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use crate::models::game::Game;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 123 |
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Game` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::models::game::Game`
[INFO] [stdout]   --> src/points/vragen_en_meegaan.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use crate::models::game::Game;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `playing_players_success_points`
[INFO] [stdout]    --> src/points/vragen_en_meegaan.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 |             playing_players_failure_points, playing_players_success_points,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn settings(mut game: Game) -> Game {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_mode` is never read
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UnexpectedGameModeError {
[INFO] [stdout]   |            ----------------------- field in this struct
[INFO] [stdout] 7 |     game_mode: GameMode,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UnexpectedGameModeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnexpectedGameModeError {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(game_mode: GameMode, msg: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_player` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn select_player<'a>(game: &'a Game) -> Result<&'a Player, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn settings(mut game: Game) -> Game {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game_mode` is never read
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct UnexpectedGameModeError {
[INFO] [stdout]   |            ----------------------- field in this struct
[INFO] [stdout] 7 |     game_mode: GameMode,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UnexpectedGameModeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl UnexpectedGameModeError {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(game_mode: GameMode, msg: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_player` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn select_player<'a>(game: &'a Game) -> Result<&'a Player, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "300daa03754392f810a58dc77c47ab888d52295f48c3297144e3c14e2dadce6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300daa03754392f810a58dc77c47ab888d52295f48c3297144e3c14e2dadce6e", kill_on_drop: false }`
[INFO] [stdout] 300daa03754392f810a58dc77c47ab888d52295f48c3297144e3c14e2dadce6e