[INFO] cloning repository https://github.com/joshuagollaher16/survival
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuagollaher16/survival" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuagollaher16%2Fsurvival"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuagollaher16%2Fsurvival'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4d6301be0a27c49bc8fd8b4f0111c1f763a19af
[INFO] testing joshuagollaher16/survival against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuagollaher16%2Fsurvival" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshuagollaher16/survival on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/joshuagollaher16/survival
[INFO] finished tweaking git repo https://github.com/joshuagollaher16/survival
[INFO] tweaked toml for git repo https://github.com/joshuagollaher16/survival written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/joshuagollaher16/survival already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20ed21231bc05b0f9f93504ad58a62be4a1fa65bc498bcd3f1366341c1d11308
[INFO] running `"docker" "start" "-a" "20ed21231bc05b0f9f93504ad58a62be4a1fa65bc498bcd3f1366341c1d11308"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]    Compiling sfml v0.13.2
[INFO] [stderr]    Compiling surival v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tile::Tile`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::tile::Tile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/game.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         for (i, tile) in self.world.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `population`
[INFO] [stderr]   --> src/game.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     population: Population,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/population.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn iter(&self) -> Iter<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/population.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn iter_mut(&mut self) -> IterMut<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/pawn.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     position: (i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/pawn.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]   --> src/pawn.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get_name(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]  --> src/world.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     width: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/world.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     height: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/world.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter_mut(&mut self) -> IterMut<Tile> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at`
[INFO] [stderr]   --> src/world.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn tile_at(&self, x: usize, y: usize) -> &Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at_mut`
[INFO] [stderr]   --> src/world.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn tile_at_mut(&mut self, x: usize, y: usize) -> &mut Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]  --> src/tile.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Stone,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Grass`
[INFO] [stderr]  --> src/tile.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Grass,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]  --> src/tile.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Water
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `"docker" "inspect" "20ed21231bc05b0f9f93504ad58a62be4a1fa65bc498bcd3f1366341c1d11308"`
[INFO] running `"docker" "rm" "-f" "20ed21231bc05b0f9f93504ad58a62be4a1fa65bc498bcd3f1366341c1d11308"`
[INFO] [stdout] 20ed21231bc05b0f9f93504ad58a62be4a1fa65bc498bcd3f1366341c1d11308
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8ee81bcb57845e4c7c0260b8a312062d10f5c63eda8b77e9350d3c407cf37652
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8ee81bcb57845e4c7c0260b8a312062d10f5c63eda8b77e9350d3c407cf37652"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling surival v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tile::Tile`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::tile::Tile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/game.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         for (i, tile) in self.world.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `population`
[INFO] [stderr]   --> src/game.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     population: Population,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/population.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn iter(&self) -> Iter<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/population.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn iter_mut(&mut self) -> IterMut<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/pawn.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     position: (i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/pawn.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]   --> src/pawn.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get_name(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]  --> src/world.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     width: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/world.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     height: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/world.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter_mut(&mut self) -> IterMut<Tile> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at`
[INFO] [stderr]   --> src/world.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn tile_at(&self, x: usize, y: usize) -> &Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at_mut`
[INFO] [stderr]   --> src/world.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn tile_at_mut(&mut self, x: usize, y: usize) -> &mut Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]  --> src/tile.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Stone,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Grass`
[INFO] [stderr]  --> src/tile.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Grass,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]  --> src/tile.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Water
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "8ee81bcb57845e4c7c0260b8a312062d10f5c63eda8b77e9350d3c407cf37652"`
[INFO] running `"docker" "rm" "-f" "8ee81bcb57845e4c7c0260b8a312062d10f5c63eda8b77e9350d3c407cf37652"`
[INFO] [stdout] 8ee81bcb57845e4c7c0260b8a312062d10f5c63eda8b77e9350d3c407cf37652
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74fb5642dc632a08247047a1a24410dc5f247dbc299c961ab4f0cad300babe66
[INFO] running `"docker" "start" "-a" "74fb5642dc632a08247047a1a24410dc5f247dbc299c961ab4f0cad300babe66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/game.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tile::Tile`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::tile::Tile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/game.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         for (i, tile) in self.world.iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `population`
[INFO] [stderr]   --> src/game.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     population: Population,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/population.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn iter(&self) -> Iter<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/population.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn iter_mut(&mut self) -> IterMut<Pawn> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/pawn.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     position: (i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/pawn.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_name`
[INFO] [stderr]   --> src/pawn.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get_name(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]  --> src/world.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     width: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/world.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     height: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/world.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter_mut(&mut self) -> IterMut<Tile> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at`
[INFO] [stderr]   --> src/world.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn tile_at(&self, x: usize, y: usize) -> &Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_at_mut`
[INFO] [stderr]   --> src/world.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn tile_at_mut(&mut self, x: usize, y: usize) -> &mut Tile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]  --> src/tile.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Stone,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Grass`
[INFO] [stderr]  --> src/tile.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Grass,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]  --> src/tile.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Water
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/surival-0befa10ff4cb7580
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74fb5642dc632a08247047a1a24410dc5f247dbc299c961ab4f0cad300babe66"`
[INFO] running `"docker" "rm" "-f" "74fb5642dc632a08247047a1a24410dc5f247dbc299c961ab4f0cad300babe66"`
[INFO] [stdout] 74fb5642dc632a08247047a1a24410dc5f247dbc299c961ab4f0cad300babe66