[INFO] cloning repository https://github.com/matteo-meluzzi/threat-map
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteo-meluzzi/threat-map" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo-meluzzi%2Fthreat-map", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo-meluzzi%2Fthreat-map'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7695941fd4bb877f9c29e513c237ae4f9e31a3f5
[INFO] linting matteo-meluzzi/threat-map against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteo-meluzzi%2Fthreat-map" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matteo-meluzzi/threat-map
[INFO] finished tweaking git repo https://github.com/matteo-meluzzi/threat-map
[INFO] tweaked toml for git repo https://github.com/matteo-meluzzi/threat-map written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matteo-meluzzi/threat-map on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matteo-meluzzi/threat-map 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b68926e470ce8b146e0e0e61cc7119cf058dfb9e39b48b027fd78c4f36cbff
[INFO] running `Command { std: "docker" "start" "-a" "a5b68926e470ce8b146e0e0e61cc7119cf058dfb9e39b48b027fd78c4f36cbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b68926e470ce8b146e0e0e61cc7119cf058dfb9e39b48b027fd78c4f36cbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b68926e470ce8b146e0e0e61cc7119cf058dfb9e39b48b027fd78c4f36cbff", kill_on_drop: false }`
[INFO] [stdout] a5b68926e470ce8b146e0e0e61cc7119cf058dfb9e39b48b027fd78c4f36cbff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d5d4c75d1a2c0114b8063124c18dae252da8db75abd918ded4aa5daa86dce4
[INFO] running `Command { std: "docker" "start" "-a" "26d5d4c75d1a2c0114b8063124c18dae252da8db75abd918ded4aa5daa86dce4", kill_on_drop: false }`
[INFO] [stderr]     Checking threat-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::coordinates::Coordinate`
[INFO] [stdout]   --> src/greedy_next_move.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use crate::coordinates::Coordinate;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::orientation::Orientation`
[INFO] [stdout]   --> src/greedy_next_move.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use crate::orientation::Orientation;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/greedy_next_move.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/enemy_position_prediction.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/coordinates.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 | |         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 | |         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 | |         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 -         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 -         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout] 102 +         !(self.y != -(N as i8)/2 && self.y != (N as i8)/2 || self.x != -(N as i8)/2 && self.x != (N as i8)/2)
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 -         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 -         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout] 102 +         (self.x ==  (N as i8)/2 || self.x == -(N as i8)/2) && (self.y ==  (N as i8)/2 || self.y == -(N as i8)/2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/coordinates.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 | |         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 102 +         !(self.x != -(N as i8)/2 || self.y != -(N as i8)/2 && self.y != (N as i8)/2) || 
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 102 +         (self.y ==  (N as i8)/2 || self.y == -(N as i8)/2) && self.x == -(N as i8)/2 || 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `ThreatMap`
[INFO] [stdout]   --> src/threat_map.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     pub fn new() -> Self {
[INFO] [stdout] 11 | |         ThreatMap { map: [i32::MAX; N * N] }
[INFO] [stdout] 12 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout]  9 + impl Default for ThreatMap {
[INFO] [stdout] 10 +     fn default() -> Self {
[INFO] [stdout] 11 +         Self::new()
[INFO] [stdout] 12 +     }
[INFO] [stdout] 13 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `EnemyPositions`
[INFO] [stdout]   --> src/enemy_position.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     pub fn new() -> Self {
[INFO] [stdout] 27 | |         EnemyPositions { enemy_positions: [EnemyPosition::new(NonZero::new(1).unwrap(), Coordinate::new(0, 0)); MAX_NUM_ENEMIES], ...
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 25 + impl Default for EnemyPositions {
[INFO] [stdout] 26 +     fn default() -> Self {
[INFO] [stdout] 27 +         Self::new()
[INFO] [stdout] 28 +     }
[INFO] [stdout] 29 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnemyPositions` has a public `len` method, but no `is_empty` method
[INFO] [stdout]   --> src/enemy_position.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stdout]    = note: `#[warn(clippy::len_without_is_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `Borders`
[INFO] [stdout]   --> src/borders.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     pub fn new() -> Self {
[INFO] [stdout] 10 | |         Self { borders: [[false; N]; N]}
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout]  8 + impl Default for Borders {
[INFO] [stdout]  9 +     fn default() -> Self {
[INFO] [stdout] 10 +         Self::new()
[INFO] [stdout] 11 +     }
[INFO] [stdout] 12 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enemy_position.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> core::slice::Iter<EnemyPosition> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> core::slice::Iter<'_, EnemyPosition> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enemy_position.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<EnemyPosition> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, EnemyPosition> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/coordinates.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 | |         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 | |         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 | |         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 -         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 -         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout] 102 +         !(self.y != -(N as i8)/2 && self.y != (N as i8)/2 || self.x != -(N as i8)/2 && self.x != (N as i8)/2)
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 104 -         (self.x ==  (N as i8)/2 && self.y == -(N as i8)/2) || 
[INFO] [stdout] 105 -         (self.x ==  (N as i8)/2 && self.y ==  (N as i8)/2)
[INFO] [stdout] 102 +         (self.x ==  (N as i8)/2 || self.x == -(N as i8)/2) && (self.y ==  (N as i8)/2 || self.y == -(N as i8)/2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/coordinates.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 | |         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 102 +         !(self.x != -(N as i8)/2 || self.y != -(N as i8)/2 && self.y != (N as i8)/2) || 
[INFO] [stdout]     |
[INFO] [stdout] 102 -         (self.x == -(N as i8)/2 && self.y == -(N as i8)/2) ||
[INFO] [stdout] 103 -         (self.x == -(N as i8)/2 && self.y ==  (N as i8)/2) || 
[INFO] [stdout] 102 +         (self.y ==  (N as i8)/2 || self.y == -(N as i8)/2) && self.x == -(N as i8)/2 || 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `ThreatMap`
[INFO] [stdout]   --> src/threat_map.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     pub fn new() -> Self {
[INFO] [stdout] 11 | |         ThreatMap { map: [i32::MAX; N * N] }
[INFO] [stdout] 12 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout]  9 + impl Default for ThreatMap {
[INFO] [stdout] 10 +     fn default() -> Self {
[INFO] [stdout] 11 +         Self::new()
[INFO] [stdout] 12 +     }
[INFO] [stdout] 13 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `EnemyPositions`
[INFO] [stdout]   --> src/enemy_position.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     pub fn new() -> Self {
[INFO] [stdout] 27 | |         EnemyPositions { enemy_positions: [EnemyPosition::new(NonZero::new(1).unwrap(), Coordinate::new(0, 0)); MAX_NUM_ENEMIES], ...
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 25 + impl Default for EnemyPositions {
[INFO] [stdout] 26 +     fn default() -> Self {
[INFO] [stdout] 27 +         Self::new()
[INFO] [stdout] 28 +     }
[INFO] [stdout] 29 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnemyPositions` has a public `len` method, but no `is_empty` method
[INFO] [stdout]   --> src/enemy_position.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stdout]    = note: `#[warn(clippy::len_without_is_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `Borders`
[INFO] [stdout]   --> src/borders.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     pub fn new() -> Self {
[INFO] [stdout] 10 | |         Self { borders: [[false; N]; N]}
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout]  8 + impl Default for Borders {
[INFO] [stdout]  9 +     fn default() -> Self {
[INFO] [stdout] 10 +         Self::new()
[INFO] [stdout] 11 +     }
[INFO] [stdout] 12 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enemy_position.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> core::slice::Iter<EnemyPosition> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> core::slice::Iter<'_, EnemyPosition> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enemy_position.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<EnemyPosition> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, EnemyPosition> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "26d5d4c75d1a2c0114b8063124c18dae252da8db75abd918ded4aa5daa86dce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d5d4c75d1a2c0114b8063124c18dae252da8db75abd918ded4aa5daa86dce4", kill_on_drop: false }`
[INFO] [stdout] 26d5d4c75d1a2c0114b8063124c18dae252da8db75abd918ded4aa5daa86dce4