[INFO] updating cached repository poida/howitzer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/poida/howitzer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/poida/howitzer-rs" "work/ex/clippy-test-run/sources/stable/gh/poida/howitzer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/poida/howitzer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/poida/howitzer-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/poida/howitzer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/poida/howitzer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0e3ca7121565e513367a31d911345a1bb93984c
[INFO] sha for GitHub repo poida/howitzer-rs: a0e3ca7121565e513367a31d911345a1bb93984c
[INFO] validating manifest of poida/howitzer-rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of poida/howitzer-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing poida/howitzer-rs
[INFO] finished frobbing poida/howitzer-rs
[INFO] frobbed toml for poida/howitzer-rs written to work/ex/clippy-test-run/sources/stable/gh/poida/howitzer-rs/Cargo.toml
[INFO] started frobbing poida/howitzer-rs
[INFO] finished frobbing poida/howitzer-rs
[INFO] frobbed toml for poida/howitzer-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/poida/howitzer-rs/Cargo.toml
[INFO] crate poida/howitzer-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting poida/howitzer-rs against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/poida/howitzer-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 561cafe27a90dacb78306bd48b9cb24d7c5c9f591d819137f9bad6f4a8291488
[INFO] running `"docker" "start" "-a" "561cafe27a90dacb78306bd48b9cb24d7c5c9f591d819137f9bad6f4a8291488"`
[INFO] [stderr]     Checking howitzer-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |                         ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |                               ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |                       ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:29:29
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |                             ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |                         ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |                               ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |                       ^^^^ help: replace it with: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:29:29
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |                             ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         return Position2d {
[INFO] [stderr] 12 | |             x: self.x + v.x,
[INFO] [stderr] 13 | |             y: self.y + v.y,
[INFO] [stderr] 14 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Position2d {
[INFO] [stderr] 12 |             x: self.x + v.x,
[INFO] [stderr] 13 |             y: self.y + v.y,
[INFO] [stderr] 14 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Position2d { x: x, y: y }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vector2d { x: x, y: y }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         return Vector2d {
[INFO] [stderr] 35 | |             x: self.x + v.x,
[INFO] [stderr] 36 | |             y: self.y + v.y,
[INFO] [stderr] 37 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Vector2d {
[INFO] [stderr] 35 |             x: self.x + v.x,
[INFO] [stderr] 36 |             y: self.y + v.y,
[INFO] [stderr] 37 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | /         return Vector2d {
[INFO] [stderr] 42 | |             x: self.x * scalar,
[INFO] [stderr] 43 | |             y: self.y * scalar,
[INFO] [stderr] 44 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Vector2d {
[INFO] [stderr] 42 |             x: self.x * scalar,
[INFO] [stderr] 43 |             y: self.y * scalar,
[INFO] [stderr] 44 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         return Projectile {
[INFO] [stderr] 62 | |             position: new_pos,
[INFO] [stderr] 63 | |             velocity: new_vel,
[INFO] [stderr] 64 | |             acceleration: self.acceleration.clone(),
[INFO] [stderr] 65 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Projectile {
[INFO] [stderr] 62 |             position: new_pos,
[INFO] [stderr] 63 |             velocity: new_vel,
[INFO] [stderr] 64 |             acceleration: self.acceleration.clone(),
[INFO] [stderr] 65 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         return self.health > 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.health > 0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         return Projectile {
[INFO] [stderr] 87 | |             position: self.position
[INFO] [stderr] 88 | |                 .add(self.barrel_vector().times(self.barrel_length)),
[INFO] [stderr] 89 | |             acceleration: vec2(0.0, gravity),
[INFO] [stderr] 90 | |             velocity: self.barrel_vector().times(power.into()),
[INFO] [stderr] 91 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 86 |         Projectile {
[INFO] [stderr] 87 |             position: self.position
[INFO] [stderr] 88 |                 .add(self.barrel_vector().times(self.barrel_length)),
[INFO] [stderr] 89 |             acceleration: vec2(0.0, gravity),
[INFO] [stderr] 90 |             velocity: self.barrel_vector().times(power.into()),
[INFO] [stderr] 91 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         return Tank {
[INFO] [stderr] 97  | |             health: self.health - 50,
[INFO] [stderr] 98  | |             barrel_angle: self.barrel_angle,
[INFO] [stderr] 99  | |             barrel_length: self.barrel_length,
[INFO] [stderr] 100 | |             position: self.position,
[INFO] [stderr] 101 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 96  |         Tank {
[INFO] [stderr] 97  |             health: self.health - 50,
[INFO] [stderr] 98  |             barrel_angle: self.barrel_angle,
[INFO] [stderr] 99  |             barrel_length: self.barrel_length,
[INFO] [stderr] 100 |             position: self.position,
[INFO] [stderr] 101 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return vec2(angle.to_radians().cos(), angle.to_radians().sin());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `vec2(angle.to_radians().cos(), angle.to_radians().sin())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 | /         return World {
[INFO] [stderr] 149 | |             wind: self.wind,
[INFO] [stderr] 150 | |             tanks: t2,
[INFO] [stderr] 151 | |             projectiles: self.projectiles
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |                 .collect(),
[INFO] [stderr] 155 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 148 |         World {
[INFO] [stderr] 149 |             wind: self.wind,
[INFO] [stderr] 150 |             tanks: t2,
[INFO] [stderr] 151 |             projectiles: self.projectiles
[INFO] [stderr] 152 |                 .iter() // TODO: remove dead projectiles
[INFO] [stderr] 153 |                 .map(|p| p.update(time_delta_seconds))
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 return tp;
[INFO] [stderr]     |                 ^^^^^^^^^^ help: remove `return` as shown: `tp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         return Position2d {
[INFO] [stderr] 12 | |             x: self.x + v.x,
[INFO] [stderr] 13 | |             y: self.y + v.y,
[INFO] [stderr] 14 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Position2d {
[INFO] [stderr] 12 |             x: self.x + v.x,
[INFO] [stderr] 13 |             y: self.y + v.y,
[INFO] [stderr] 14 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Position2d { x: x, y: y };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Position2d { x: x, y: y }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     return Vector2d { x: x, y: y };
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vector2d { x: x, y: y }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         return Vector2d {
[INFO] [stderr] 35 | |             x: self.x + v.x,
[INFO] [stderr] 36 | |             y: self.y + v.y,
[INFO] [stderr] 37 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Vector2d {
[INFO] [stderr] 35 |             x: self.x + v.x,
[INFO] [stderr] 36 |             y: self.y + v.y,
[INFO] [stderr] 37 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | /         return Vector2d {
[INFO] [stderr] 42 | |             x: self.x * scalar,
[INFO] [stderr] 43 | |             y: self.y * scalar,
[INFO] [stderr] 44 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 41 |         Vector2d {
[INFO] [stderr] 42 |             x: self.x * scalar,
[INFO] [stderr] 43 |             y: self.y * scalar,
[INFO] [stderr] 44 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         return Projectile {
[INFO] [stderr] 62 | |             position: new_pos,
[INFO] [stderr] 63 | |             velocity: new_vel,
[INFO] [stderr] 64 | |             acceleration: self.acceleration.clone(),
[INFO] [stderr] 65 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Projectile {
[INFO] [stderr] 62 |             position: new_pos,
[INFO] [stderr] 63 |             velocity: new_vel,
[INFO] [stderr] 64 |             acceleration: self.acceleration.clone(),
[INFO] [stderr] 65 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         return self.health > 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.health > 0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         return Projectile {
[INFO] [stderr] 87 | |             position: self.position
[INFO] [stderr] 88 | |                 .add(self.barrel_vector().times(self.barrel_length)),
[INFO] [stderr] 89 | |             acceleration: vec2(0.0, gravity),
[INFO] [stderr] 90 | |             velocity: self.barrel_vector().times(power.into()),
[INFO] [stderr] 91 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 86 |         Projectile {
[INFO] [stderr] 87 |             position: self.position
[INFO] [stderr] 88 |                 .add(self.barrel_vector().times(self.barrel_length)),
[INFO] [stderr] 89 |             acceleration: vec2(0.0, gravity),
[INFO] [stderr] 90 |             velocity: self.barrel_vector().times(power.into()),
[INFO] [stderr] 91 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:96:9
[INFO] [stderr]     |
[INFO] [stderr] 96  | /         return Tank {
[INFO] [stderr] 97  | |             health: self.health - 50,
[INFO] [stderr] 98  | |             barrel_angle: self.barrel_angle,
[INFO] [stderr] 99  | |             barrel_length: self.barrel_length,
[INFO] [stderr] 100 | |             position: self.position,
[INFO] [stderr] 101 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 96  |         Tank {
[INFO] [stderr] 97  |             health: self.health - 50,
[INFO] [stderr] 98  |             barrel_angle: self.barrel_angle,
[INFO] [stderr] 99  |             barrel_length: self.barrel_length,
[INFO] [stderr] 100 |             position: self.position,
[INFO] [stderr] 101 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return vec2(angle.to_radians().cos(), angle.to_radians().sin());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `vec2(angle.to_radians().cos(), angle.to_radians().sin())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 | /         return World {
[INFO] [stderr] 149 | |             wind: self.wind,
[INFO] [stderr] 150 | |             tanks: t2,
[INFO] [stderr] 151 | |             projectiles: self.projectiles
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |                 .collect(),
[INFO] [stderr] 155 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 148 |         World {
[INFO] [stderr] 149 |             wind: self.wind,
[INFO] [stderr] 150 |             tanks: t2,
[INFO] [stderr] 151 |             projectiles: self.projectiles
[INFO] [stderr] 152 |                 .iter() // TODO: remove dead projectiles
[INFO] [stderr] 153 |                 .map(|p| p.update(time_delta_seconds))
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 return tp;
[INFO] [stderr]     |                 ^^^^^^^^^^ help: remove `return` as shown: `tp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `projectile`
[INFO] [stderr]   --> src/main.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider using `_projectile` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `projectile`
[INFO] [stderr]   --> src/main.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider using `_projectile` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn add(self, v: Vector2d) -> Position2d {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pos2`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn pos2(x: f64, y: f64) -> Position2d {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vec2`
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn vec2(x: f64, y: f64) -> Vector2d {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn add(self, v: Vector2d) -> Vector2d {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `times`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn times(self, scalar: f64) -> Vector2d {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn update(self, time_delta_seconds: f64) -> Projectile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_alive`
[INFO] [stderr]   --> src/main.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn is_alive(self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shoot`
[INFO] [stderr]   --> src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn shoot(self, power: i8) -> Projectile {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/main.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `barrel_vector`
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn barrel_vector(self) -> Vector2d {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]    --> src/main.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn update(self, time_delta_seconds: f64) -> World {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |             acceleration: self.acceleration.clone(),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.acceleration`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let mut tp = t.clone();
[INFO] [stderr]     |                              ^^^^^^^^^ help: try dereferencing it: `*t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |             acceleration: self.acceleration.clone(),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.acceleration`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let mut tp = t.clone();
[INFO] [stderr]     |                              ^^^^^^^^^ help: try dereferencing it: `*t`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/main.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         assert!(t.is_alive() == false);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!t.is_alive()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/main.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |         assert!(t.is_alive() == true);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `t.is_alive()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "561cafe27a90dacb78306bd48b9cb24d7c5c9f591d819137f9bad6f4a8291488"`
[INFO] running `"docker" "rm" "-f" "561cafe27a90dacb78306bd48b9cb24d7c5c9f591d819137f9bad6f4a8291488"`
[INFO] [stdout] 561cafe27a90dacb78306bd48b9cb24d7c5c9f591d819137f9bad6f4a8291488