[INFO] cloning repository https://github.com/Division/spheres_2d
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Division/spheres_2d" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivision%2Fspheres_2d", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivision%2Fspheres_2d'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a225481e01f3d8742bfb21479604365a4b9778fd
[INFO] checking Division/spheres_2d against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivision%2Fspheres_2d" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Division/spheres_2d
[INFO] finished tweaking git repo https://github.com/Division/spheres_2d
[INFO] tweaked toml for git repo https://github.com/Division/spheres_2d written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Division/spheres_2d on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Division/spheres_2d 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660cbe4bc06cc973ad08a2997a5d9091d4ce49caa0c5be6f86466d11aa2aa685
[INFO] running `Command { std: "docker" "start" "-a" "660cbe4bc06cc973ad08a2997a5d9091d4ce49caa0c5be6f86466d11aa2aa685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660cbe4bc06cc973ad08a2997a5d9091d4ce49caa0c5be6f86466d11aa2aa685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660cbe4bc06cc973ad08a2997a5d9091d4ce49caa0c5be6f86466d11aa2aa685", kill_on_drop: false }`
[INFO] [stdout] 660cbe4bc06cc973ad08a2997a5d9091d4ce49caa0c5be6f86466d11aa2aa685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc66dda8cb16fa942224be3326ebb23bf5e942a871841ed53038373a5913bfa
[INFO] running `Command { std: "docker" "start" "-a" "9cc66dda8cb16fa942224be3326ebb23bf5e942a871841ed53038373a5913bfa", kill_on_drop: false }`
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[INFO] [stderr]     Checking bevy v0.7.0
[INFO] [stderr]     Checking bevy_prototype_debug_lines v0.7.1
[INFO] [stderr]     Checking spheres_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::alloc`
[INFO] [stdout]  --> src/simulation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::alloc;
[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: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/simulation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/simulation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bevy_prototype_debug_lines::*`
[INFO] [stdout]  --> src/simulation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bevy_prototype_debug_lines::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/simulation.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/simulation.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::u32::MIN`
[INFO] [stdout]   --> src/simulation.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::u32::MIN;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/simulation.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/simulation.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:198:16
[INFO] [stdout]     |
[INFO] [stdout] 198 |             if (sq_len > MAX_VELOCITY * MAX_VELOCITY) {
[INFO] [stdout]     |                ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             if (sq_len > MAX_VELOCITY * MAX_VELOCITY) {
[INFO] [stdout] 198 +             if sq_len > MAX_VELOCITY * MAX_VELOCITY  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout]     |                    ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                 if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout] 231 +                 if sq_distance < r1r2 * r1r2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:273:32
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout]     |                          ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -                             if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout] 273 +                             if sq_distance < r1r2 * r1r2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:353:16
[INFO] [stdout]     |
[INFO] [stdout] 353 |             if (sq_len < sq_radius) {
[INFO] [stdout]     |                ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 353 -             if (sq_len < sq_radius) {
[INFO] [stdout] 353 +             if sq_len < sq_radius  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/main.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for (mut transform) in sprite_position.iter_mut() {
[INFO] [stdout]     |         ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     for (mut transform) in sprite_position.iter_mut() {
[INFO] [stdout] 135 +     for mut transform  in sprite_position.iter_mut() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc`
[INFO] [stdout]  --> src/simulation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::alloc;
[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: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/simulation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/simulation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bevy_prototype_debug_lines::*`
[INFO] [stdout]  --> src/simulation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bevy_prototype_debug_lines::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/simulation.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/simulation.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::u32::MIN`
[INFO] [stdout]   --> src/simulation.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::u32::MIN;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/simulation.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/simulation.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:198:16
[INFO] [stdout]     |
[INFO] [stdout] 198 |             if (sq_len > MAX_VELOCITY * MAX_VELOCITY) {
[INFO] [stdout]     |                ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             if (sq_len > MAX_VELOCITY * MAX_VELOCITY) {
[INFO] [stdout] 198 +             if sq_len > MAX_VELOCITY * MAX_VELOCITY  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout]     |                    ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                 if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout] 231 +                 if sq_distance < r1r2 * r1r2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:273:32
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout]     |                          ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -                             if (sq_distance < r1r2 * r1r2) {
[INFO] [stdout] 273 +                             if sq_distance < r1r2 * r1r2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/simulation.rs:353:16
[INFO] [stdout]     |
[INFO] [stdout] 353 |             if (sq_len < sq_radius) {
[INFO] [stdout]     |                ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 353 -             if (sq_len < sq_radius) {
[INFO] [stdout] 353 +             if sq_len < sq_radius  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/main.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for (mut transform) in sprite_position.iter_mut() {
[INFO] [stdout]     |         ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     for (mut transform) in sprite_position.iter_mut() {
[INFO] [stdout] 135 +     for mut transform  in sprite_position.iter_mut() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/simulation.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let size = mem::size_of::<f32>() * capacity;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/simulation.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for i in 0..grid.cells.capacity() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/simulation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |             for i in 0..COLLISION_ITERATIONS {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut sim_world = simulation::SimWorld::new(ARENA_SIZE.0, ARENA_SIZE.1, 100000);
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     mut camera: Query<&Transform, With<Camera2d>>
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut n = event.position - size / 2.0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut v = *camera * Vec3::new(n.x, n.y, 0.0);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sim_world`
[INFO] [stdout]    --> src/main.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let sim_world = sim_world.as_mut();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIMD_VECTOR_SIZE` is never used
[INFO] [stdout]   --> src/simulation.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SIMD_VECTOR_SIZE : usize = 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALIGNMENT` is never used
[INFO] [stdout]   --> src/simulation.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         const ALIGNMENT : usize = SIMD_VECTOR_SIZE * mem::size_of::<f32>();
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sim_collide_slow` and `draw_grid` are never used
[INFO] [stdout]    --> src/simulation.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl SimWorld {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn sim_collide_slow(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     pub fn draw_grid(&self, debug_lines : &mut DebugLines) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/simulation.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let size = mem::size_of::<f32>() * capacity;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/simulation.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for i in 0..grid.cells.capacity() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/simulation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |             for i in 0..COLLISION_ITERATIONS {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut sim_world = simulation::SimWorld::new(ARENA_SIZE.0, ARENA_SIZE.1, 100000);
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     mut camera: Query<&Transform, With<Camera2d>>
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut n = event.position - size / 2.0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut v = *camera * Vec3::new(n.x, n.y, 0.0);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sim_world`
[INFO] [stdout]    --> src/main.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let sim_world = sim_world.as_mut();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sim_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIMD_VECTOR_SIZE` is never used
[INFO] [stdout]   --> src/simulation.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SIMD_VECTOR_SIZE : usize = 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALIGNMENT` is never used
[INFO] [stdout]   --> src/simulation.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         const ALIGNMENT : usize = SIMD_VECTOR_SIZE * mem::size_of::<f32>();
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sim_collide_slow` and `draw_grid` are never used
[INFO] [stdout]    --> src/simulation.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl SimWorld {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn sim_collide_slow(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 369 |     pub fn draw_grid(&self, debug_lines : &mut DebugLines) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "9cc66dda8cb16fa942224be3326ebb23bf5e942a871841ed53038373a5913bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc66dda8cb16fa942224be3326ebb23bf5e942a871841ed53038373a5913bfa", kill_on_drop: false }`
[INFO] [stdout] 9cc66dda8cb16fa942224be3326ebb23bf5e942a871841ed53038373a5913bfa
