[INFO] cloning repository https://github.com/jpoler/riddle-io-conways-game-of-life-and-death
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpoler/riddle-io-conways-game-of-life-and-death" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpoler%2Friddle-io-conways-game-of-life-and-death", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpoler%2Friddle-io-conways-game-of-life-and-death'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b199b1cead2b2a77cd0af79097622a6b371cc6e7
[INFO] testing jpoler/riddle-io-conways-game-of-life-and-death against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpoler%2Friddle-io-conways-game-of-life-and-death" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpoler/riddle-io-conways-game-of-life-and-death
[INFO] finished tweaking git repo https://github.com/jpoler/riddle-io-conways-game-of-life-and-death
[INFO] tweaked toml for git repo https://github.com/jpoler/riddle-io-conways-game-of-life-and-death written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpoler/riddle-io-conways-game-of-life-and-death on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpoler/riddle-io-conways-game-of-life-and-death 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e09c94a03febb26527f464e2d9b156516f360d2548783fe7242034ec863883
[INFO] running `Command { std: "docker" "start" "-a" "e9e09c94a03febb26527f464e2d9b156516f360d2548783fe7242034ec863883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e09c94a03febb26527f464e2d9b156516f360d2548783fe7242034ec863883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e09c94a03febb26527f464e2d9b156516f360d2548783fe7242034ec863883", kill_on_drop: false }`
[INFO] [stdout] e9e09c94a03febb26527f464e2d9b156516f360d2548783fe7242034ec863883
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad019ca14b96178ee7cdea684b1bac12976619b4b136a359fe486fff59c7d66
[INFO] running `Command { std: "docker" "start" "-a" "3ad019ca14b96178ee7cdea684b1bac12976619b4b136a359fe486fff59c7d66", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling game-of-life-and-death v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stdout]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:96:59
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stdout]    |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |             message: format!("io error: {}", e.description()),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:44:55
[INFO] [stdout]    |
[INFO] [stdout] 44 |             message: format!("parse int error: {}", e.description()),
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/main.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Message::Action(action) => {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rc_coordinate` and `xy_coordinate` are never used
[INFO] [stdout]   --> src/board.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn rc_coordinate(&self, r: usize, c: usize) -> Option<Square> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn xy_coordinate(&self, x: usize, y: usize) -> Option<Square> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Settings` is never constructed
[INFO] [stdout]  --> src/types.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Settings {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Setting(Setting),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Setting(Setting),
[INFO] [stdout] 16 +     Setting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty` and `Move` are never constructed
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Message {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 15 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Move(Move),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     TimeBank(u64),
[INFO] [stdout]    |     -------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     TimeBank(u64),
[INFO] [stdout] 24 +     TimeBank(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     TimePerMove(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     TimePerMove(u64),
[INFO] [stdout] 25 +     TimePerMove(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     PlayerNames(Vec<String>),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     PlayerNames(Vec<String>),
[INFO] [stdout] 26 +     PlayerNames(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     YourBot(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     YourBot(String),
[INFO] [stdout] 27 +     YourBot(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     YourBotId(u64),
[INFO] [stdout]    |     --------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     YourBotId(u64),
[INFO] [stdout] 28 +     YourBotId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     FieldWidth(u64),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     FieldWidth(u64),
[INFO] [stdout] 29 +     FieldWidth(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     FieldHeight(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     FieldHeight(u64),
[INFO] [stdout] 30 +     FieldHeight(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     MaxRounds(u64),
[INFO] [stdout]    |     --------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     MaxRounds(u64),
[INFO] [stdout] 31 +     MaxRounds(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `cells` are never read
[INFO] [stdout]   --> src/types.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     LivingCells { player: String, cells: u64 },
[INFO] [stdout]    |     -----------   ^^^^^^          ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `mov` are never read
[INFO] [stdout]   --> src/types.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Move { player: String, mov: Move },
[INFO] [stdout]    |     ----   ^^^^^^          ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/types.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Kill {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 53 |         loc: Coordinate,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `birth` and `sacrifice` are never read
[INFO] [stdout]   --> src/types.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Birth {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 56 |         birth: Coordinate,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 57 |         sacrifice: [Coordinate; 2],
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/types.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Coordinate {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 64 |     pub x: u64,
[INFO] [stdout]    |         ^
[INFO] [stdout] 65 |     pub y: u64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coordinate` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time` is never read
[INFO] [stdout]   --> src/types.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Move { time: u64 },
[INFO] [stdout]    |     ----   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "3ad019ca14b96178ee7cdea684b1bac12976619b4b136a359fe486fff59c7d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad019ca14b96178ee7cdea684b1bac12976619b4b136a359fe486fff59c7d66", kill_on_drop: false }`
[INFO] [stdout] 3ad019ca14b96178ee7cdea684b1bac12976619b4b136a359fe486fff59c7d66
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2bd409a4277fe683761bd8ba87b9db7c833a6edb2bb427d65ed16c3c46a254
[INFO] running `Command { std: "docker" "start" "-a" "ab2bd409a4277fe683761bd8ba87b9db7c833a6edb2bb427d65ed16c3c46a254", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling game-of-life-and-death v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stdout]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stdout]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/board.rs:96:59
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stdout]    |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |             message: format!("io error: {}", e.description()),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:44:55
[INFO] [stdout]    |
[INFO] [stdout] 44 |             message: format!("parse int error: {}", e.description()),
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/main.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Message::Action(action) => {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Settings` is never constructed
[INFO] [stdout]  --> src/types.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Settings {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Setting(Setting),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Setting(Setting),
[INFO] [stdout] 16 +     Setting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty` and `Move` are never constructed
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Message {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 15 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Move(Move),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     TimeBank(u64),
[INFO] [stdout]    |     -------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     TimeBank(u64),
[INFO] [stdout] 24 +     TimeBank(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     TimePerMove(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     TimePerMove(u64),
[INFO] [stdout] 25 +     TimePerMove(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     PlayerNames(Vec<String>),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     PlayerNames(Vec<String>),
[INFO] [stdout] 26 +     PlayerNames(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     YourBot(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     YourBot(String),
[INFO] [stdout] 27 +     YourBot(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     YourBotId(u64),
[INFO] [stdout]    |     --------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     YourBotId(u64),
[INFO] [stdout] 28 +     YourBotId(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     FieldWidth(u64),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     FieldWidth(u64),
[INFO] [stdout] 29 +     FieldWidth(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     FieldHeight(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     FieldHeight(u64),
[INFO] [stdout] 30 +     FieldHeight(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     MaxRounds(u64),
[INFO] [stdout]    |     --------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     MaxRounds(u64),
[INFO] [stdout] 31 +     MaxRounds(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `cells` are never read
[INFO] [stdout]   --> src/types.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     LivingCells { player: String, cells: u64 },
[INFO] [stdout]    |     -----------   ^^^^^^          ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player` and `mov` are never read
[INFO] [stdout]   --> src/types.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Move { player: String, mov: Move },
[INFO] [stdout]    |     ----   ^^^^^^          ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/types.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Kill {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] 53 |         loc: Coordinate,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `birth` and `sacrifice` are never read
[INFO] [stdout]   --> src/types.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Birth {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 56 |         birth: Coordinate,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 57 |         sacrifice: [Coordinate; 2],
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/types.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Coordinate {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 64 |     pub x: u64,
[INFO] [stdout]    |         ^
[INFO] [stdout] 65 |     pub y: u64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coordinate` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time` is never read
[INFO] [stdout]   --> src/types.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Move { time: u64 },
[INFO] [stdout]    |     ----   ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ab2bd409a4277fe683761bd8ba87b9db7c833a6edb2bb427d65ed16c3c46a254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2bd409a4277fe683761bd8ba87b9db7c833a6edb2bb427d65ed16c3c46a254", kill_on_drop: false }`
[INFO] [stdout] ab2bd409a4277fe683761bd8ba87b9db7c833a6edb2bb427d65ed16c3c46a254
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 582e35f79aaee561876ac7f408847a59d6f891f369bfcbaa72c9287f3bbc1e8b
[INFO] running `Command { std: "docker" "start" "-a" "582e35f79aaee561876ac7f408847a59d6f891f369bfcbaa72c9287f3bbc1e8b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/board.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stderr]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/board.rs:95:51
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     (Player1, 0...1) | (Player2, 0...1) => Square::Empty,
[INFO] [stderr]    |                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/board.rs:96:36
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stderr]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/board.rs:96:59
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     (p @ Player1, 2...3) | (p @ Player2, 2...3) => p,
[INFO] [stderr]    |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:36:48
[INFO] [stderr]    |
[INFO] [stderr] 36 |             message: format!("io error: {}", e.description()),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:44:55
[INFO] [stderr]    |
[INFO] [stderr] 44 |             message: format!("parse int error: {}", e.description()),
[INFO] [stderr]    |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/main.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 Message::Action(action) => {
[INFO] [stderr]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Settings` is never constructed
[INFO] [stderr]  --> src/types.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Settings {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Setting(Setting),
[INFO] [stderr]    |     ------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 16 -     Setting(Setting),
[INFO] [stderr] 16 +     Setting(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Empty` and `Move` are never constructed
[INFO] [stderr]   --> src/types.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Message {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] 15 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     Move(Move),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     TimeBank(u64),
[INFO] [stderr]    |     -------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 24 -     TimeBank(u64),
[INFO] [stderr] 24 +     TimeBank(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     TimePerMove(u64),
[INFO] [stderr]    |     ----------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 -     TimePerMove(u64),
[INFO] [stderr] 25 +     TimePerMove(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |     PlayerNames(Vec<String>),
[INFO] [stderr]    |     ----------- ^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 26 -     PlayerNames(Vec<String>),
[INFO] [stderr] 26 +     PlayerNames(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     YourBot(String),
[INFO] [stderr]    |     ------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 27 -     YourBot(String),
[INFO] [stderr] 27 +     YourBot(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 |     YourBotId(u64),
[INFO] [stderr]    |     --------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 28 -     YourBotId(u64),
[INFO] [stderr] 28 +     YourBotId(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     FieldWidth(u64),
[INFO] [stderr]    |     ---------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 29 -     FieldWidth(u64),
[INFO] [stderr] 29 +     FieldWidth(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     FieldHeight(u64),
[INFO] [stderr]    |     ----------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 30 -     FieldHeight(u64),
[INFO] [stderr] 30 +     FieldHeight(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/types.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |     MaxRounds(u64),
[INFO] [stderr]    |     --------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Setting` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 31 -     MaxRounds(u64),
[INFO] [stderr] 31 +     MaxRounds(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `player` and `cells` are never read
[INFO] [stderr]   --> src/types.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |     LivingCells { player: String, cells: u64 },
[INFO] [stderr]    |     -----------   ^^^^^^          ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `player` and `mov` are never read
[INFO] [stderr]   --> src/types.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Move { player: String, mov: Move },
[INFO] [stderr]    |     ----   ^^^^^^          ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Update` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `loc` is never read
[INFO] [stderr]   --> src/types.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Kill {
[INFO] [stderr]    |     ---- field in this variant
[INFO] [stderr] 53 |         loc: Coordinate,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `birth` and `sacrifice` are never read
[INFO] [stderr]   --> src/types.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     Birth {
[INFO] [stderr]    |     ----- fields in this variant
[INFO] [stderr] 56 |         birth: Coordinate,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 57 |         sacrifice: [Coordinate; 2],
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/types.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct Coordinate {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 64 |     pub x: u64,
[INFO] [stderr]    |         ^
[INFO] [stderr] 65 |     pub y: u64,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Coordinate` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `time` is never read
[INFO] [stderr]   --> src/types.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Move { time: u64 },
[INFO] [stderr]    |     ----   ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `game-of-life-and-death` (bin "game-of-life-and-death" test) generated 25 warnings (run `cargo fix --bin "game-of-life-and-death" -p game-of-life-and-death --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/game_of_life_and_death-e8d41f513b275e5c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test board::tests::neighbor_rc_coordinates ... ok
[INFO] [stdout] test board::tests::rc_coordinate ... ok
[INFO] [stdout] test board::tests::simulate_step ... ok
[INFO] [stdout] test board::tests::from_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "582e35f79aaee561876ac7f408847a59d6f891f369bfcbaa72c9287f3bbc1e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582e35f79aaee561876ac7f408847a59d6f891f369bfcbaa72c9287f3bbc1e8b", kill_on_drop: false }`
[INFO] [stdout] 582e35f79aaee561876ac7f408847a59d6f891f369bfcbaa72c9287f3bbc1e8b
