[INFO] cloning repository https://github.com/kawaii-Code/battleships
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawaii-Code/battleships" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaii-Code%2Fbattleships", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaii-Code%2Fbattleships'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37224818b3fcbcc94ea2fcee1edc93a3abfccc18
[INFO] testing kawaii-Code/battleships against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaii-Code%2Fbattleships" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawaii-Code/battleships on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kawaii-Code/battleships
[INFO] finished tweaking git repo https://github.com/kawaii-Code/battleships
[INFO] tweaked toml for git repo https://github.com/kawaii-Code/battleships written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kawaii-Code/battleships 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-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3024c949f7d894abbbdcb807a99919b920b990dea4b2a29012037a3595e70572
[INFO] running `Command { std: "docker" "start" "-a" "3024c949f7d894abbbdcb807a99919b920b990dea4b2a29012037a3595e70572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3024c949f7d894abbbdcb807a99919b920b990dea4b2a29012037a3595e70572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3024c949f7d894abbbdcb807a99919b920b990dea4b2a29012037a3595e70572", kill_on_drop: false }`
[INFO] [stdout] 3024c949f7d894abbbdcb807a99919b920b990dea4b2a29012037a3595e70572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2d4908f8fda774798fd209311819819882818b912958b126f04d115b7dc1fe
[INFO] running `Command { std: "docker" "start" "-a" "bc2d4908f8fda774798fd209311819819882818b912958b126f04d115b7dc1fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling battleships v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `mark` and `mark_kill` are never used
[INFO] [stdout]   --> src/battleships/field.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl CheckField {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn mark(&mut self, x: usize, y: usize, marker: CheckedCell) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn mark_kill(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Victory` is never used
[INFO] [stdout]  --> src/battleships/player.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Victory {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `did_lose` and `shoot` are never used
[INFO] [stdout]   --> src/battleships/player.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Player {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn did_lose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn shoot(&mut self, opponent: &mut Player, x: usize, y: usize) -> Result<Victory, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark` and `mark_kill` are never used
[INFO] [stdout]   --> src/battleships/field.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl CheckField {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn mark(&mut self, x: usize, y: usize, marker: CheckedCell) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn mark_kill(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Victory` is never used
[INFO] [stdout]  --> src/battleships/player.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Victory {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `did_lose` and `shoot` are never used
[INFO] [stdout]   --> src/battleships/player.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Player {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn did_lose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn shoot(&mut self, opponent: &mut Player, x: usize, y: usize) -> Result<Victory, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_BYTE_PLACE` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MAGIC_BYTE_PLACE: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_BYTE_SHOOT` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const MAGIC_BYTE_SHOOT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_BYTE_GET_SHOT` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MAGIC_BYTE_GET_SHOT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn send(stream: &mut TcpStream, bytes: &[u8]) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_blocking` is never used
[INFO] [stdout]   --> src/utilities/unsafe_net.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_blocking(stream: &mut TcpStream, buf: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_shot` is never used
[INFO] [stdout]  --> src/gameplay.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_shot(player: &mut Player) -> Shot {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "bc2d4908f8fda774798fd209311819819882818b912958b126f04d115b7dc1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2d4908f8fda774798fd209311819819882818b912958b126f04d115b7dc1fe", kill_on_drop: false }`
[INFO] [stdout] bc2d4908f8fda774798fd209311819819882818b912958b126f04d115b7dc1fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7a1811e7bd74df1f39d84434be2dfc01844d70b59ccc6509b73216b5c3fa9a
[INFO] running `Command { std: "docker" "start" "-a" "ca7a1811e7bd74df1f39d84434be2dfc01844d70b59ccc6509b73216b5c3fa9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling battleships v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAGIC_BYTE_PLACE` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MAGIC_BYTE_PLACE: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_BYTE_SHOOT` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const MAGIC_BYTE_SHOOT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAGIC_BYTE_GET_SHOT` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MAGIC_BYTE_GET_SHOT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]  --> src/utilities/unsafe_net.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn send(stream: &mut TcpStream, bytes: &[u8]) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_blocking` is never used
[INFO] [stdout]   --> src/utilities/unsafe_net.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn read_blocking(stream: &mut TcpStream, buf: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_shot` is never used
[INFO] [stdout]  --> src/gameplay.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read_shot(player: &mut Player) -> Shot {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark` and `mark_kill` are never used
[INFO] [stdout]   --> src/battleships/field.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl CheckField {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn mark(&mut self, x: usize, y: usize, marker: CheckedCell) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn mark_kill(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Victory` is never used
[INFO] [stdout]  --> src/battleships/player.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Victory {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `did_lose` and `shoot` are never used
[INFO] [stdout]   --> src/battleships/player.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Player {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn did_lose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn shoot(&mut self, opponent: &mut Player, x: usize, y: usize) -> Result<Victory, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark` and `mark_kill` are never used
[INFO] [stdout]   --> src/battleships/field.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl CheckField {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn mark(&mut self, x: usize, y: usize, marker: CheckedCell) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn mark_kill(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Victory` is never used
[INFO] [stdout]  --> src/battleships/player.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Victory {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `did_lose` and `shoot` are never used
[INFO] [stdout]   --> src/battleships/player.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Player {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn did_lose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn shoot(&mut self, opponent: &mut Player, x: usize, y: usize) -> Result<Victory, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ca7a1811e7bd74df1f39d84434be2dfc01844d70b59ccc6509b73216b5c3fa9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7a1811e7bd74df1f39d84434be2dfc01844d70b59ccc6509b73216b5c3fa9a", kill_on_drop: false }`
[INFO] [stdout] ca7a1811e7bd74df1f39d84434be2dfc01844d70b59ccc6509b73216b5c3fa9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1648448ef4bbd360cf64a28b3a836e0e500bc836ea42598ba8b69fee40590aa4
[INFO] running `Command { std: "docker" "start" "-a" "1648448ef4bbd360cf64a28b3a836e0e500bc836ea42598ba8b69fee40590aa4", kill_on_drop: false }`
[INFO] [stderr] warning: constant `MAGIC_BYTE_PLACE` is never used
[INFO] [stderr]  --> src/utilities/unsafe_net.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const MAGIC_BYTE_PLACE: u8 = 1;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAGIC_BYTE_SHOOT` is never used
[INFO] [stderr]  --> src/utilities/unsafe_net.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const MAGIC_BYTE_SHOOT: u8 = 2;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAGIC_BYTE_GET_SHOT` is never used
[INFO] [stderr]  --> src/utilities/unsafe_net.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MAGIC_BYTE_GET_SHOT: u8 = 2;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `send` is never used
[INFO] [stderr]  --> src/utilities/unsafe_net.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn send(stream: &mut TcpStream, bytes: &[u8]) {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_blocking` is never used
[INFO] [stderr]   --> src/utilities/unsafe_net.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn read_blocking(stream: &mut TcpStream, buf: &mut [u8]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_shot` is never used
[INFO] [stderr]  --> src/gameplay.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn read_shot(player: &mut Player) -> Shot {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `battleships` (bin "main" test) generated 6 warnings
[INFO] [stderr] warning: methods `mark` and `mark_kill` are never used
[INFO] [stderr]   --> src/battleships/field.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl CheckField {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn mark(&mut self, x: usize, y: usize, marker: CheckedCell) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn mark_kill(&mut self, x: usize, y: usize) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Victory` is never used
[INFO] [stderr]  --> src/battleships/player.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Victory {
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `did_lose` and `shoot` are never used
[INFO] [stderr]   --> src/battleships/player.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Player {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn did_lose(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn shoot(&mut self, opponent: &mut Player, x: usize, y: usize) -> Result<Victory, String> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/client.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let _ = player.take_damage(shot_buf[1].into(), shot_buf[2].into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `battleships` (bin "server" test) generated 4 warnings
[INFO] [stderr] warning: `battleships` (bin "client" test) generated 4 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/client.rs (/opt/rustwide/target/debug/deps/client-e7a9cd5026929b93)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-027b6063d8a8607a)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/server.rs (/opt/rustwide/target/debug/deps/server-e7c9873105a8f83c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1648448ef4bbd360cf64a28b3a836e0e500bc836ea42598ba8b69fee40590aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1648448ef4bbd360cf64a28b3a836e0e500bc836ea42598ba8b69fee40590aa4", kill_on_drop: false }`
[INFO] [stdout] 1648448ef4bbd360cf64a28b3a836e0e500bc836ea42598ba8b69fee40590aa4