[INFO] cloning repository https://github.com/Tyler-Maclachlan/graph_physics_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tyler-Maclachlan/graph_physics_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyler-Maclachlan%2Fgraph_physics_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyler-Maclachlan%2Fgraph_physics_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff26e1182410e7f85321fa0ce2fd79dc704ebdfd
[INFO] testing Tyler-Maclachlan/graph_physics_engine against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyler-Maclachlan%2Fgraph_physics_engine" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tyler-Maclachlan/graph_physics_engine on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tyler-Maclachlan/graph_physics_engine
[INFO] finished tweaking git repo https://github.com/Tyler-Maclachlan/graph_physics_engine
[INFO] tweaked toml for git repo https://github.com/Tyler-Maclachlan/graph_physics_engine written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/Tyler-Maclachlan/graph_physics_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbdc909e45d78cea97003076f879d807ca5992f302f148d6f4fc03f7ae2470fb
[INFO] running `Command { std: "docker" "start" "-a" "dbdc909e45d78cea97003076f879d807ca5992f302f148d6f4fc03f7ae2470fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbdc909e45d78cea97003076f879d807ca5992f302f148d6f4fc03f7ae2470fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdc909e45d78cea97003076f879d807ca5992f302f148d6f4fc03f7ae2470fb", kill_on_drop: false }`
[INFO] [stdout] dbdc909e45d78cea97003076f879d807ca5992f302f148d6f4fc03f7ae2470fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da52fe0dc3499f554489f4483478dada4557d5595de00863828917bb698c914b
[INFO] running `Command { std: "docker" "start" "-a" "da52fe0dc3499f554489f4483478dada4557d5595de00863828917bb698c914b", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_physics_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/quad.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if (!self.divided) {
[INFO] [stdout]     |                ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             if (!self.divided) {
[INFO] [stdout] 187 +             if !self.divided {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/quad.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     if (area.overlaps_vec2d(pos)) {
[INFO] [stdout]     |                        ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -                     if (area.overlaps_vec2d(pos)) {
[INFO] [stdout] 191 +                     if area.overlaps_vec2d(pos) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structs::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use structs::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `physics_engine`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let physics_engine = PhysicsEngine {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_physics_engine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inserted` is assigned to, but never used
[INFO] [stdout]    --> src/quad.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut inserted = false;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_inserted` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 inserted = tl.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 inserted = tr.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 inserted = bl.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 inserted = br.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/spring_system.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for (index, s) in springs.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `force_system`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     force_system: ForceSystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CentralGravityOptions`
[INFO] [stdout]  --> src/central_gravity.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct CentralGravityOptions {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]  --> src/central_gravity.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn update(center: &Vector2d, positions: &Vec<Option<Position>>, forces: &mut Vec<Option<Force>>) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calc_force`
[INFO] [stdout]   --> src/central_gravity.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calc_force(distance: f64, dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gravitational_constant`
[INFO] [stdout]  --> src/force_system.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gravitational_constant: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `theta`
[INFO] [stdout]  --> src/force_system.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     theta: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/force_system.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     options: ForceSystemOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `construct_tree`
[INFO] [stdout]   --> src/force_system.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn construct_tree(&mut self, bounds: AABB, positions: &Vec<Option<(ID, Position)>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_force_contributions`
[INFO] [stdout]   --> src/force_system.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_force_contributions(&self, node: &ID, pos: &Vector2d, branch: &QuadTree) -> Vector2d {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_force`
[INFO] [stdout]   --> src/force_system.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn calc_force(&self, mut distance: f64, mut dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/force_system.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn update(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `half_width`
[INFO] [stdout]   --> src/quad.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn half_width(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `half_height`
[INFO] [stdout]   --> src/quad.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn half_height(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `horizontal_midpoint`
[INFO] [stdout]   --> src/quad.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn horizontal_midpoint(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vertical_midpoint`
[INFO] [stdout]   --> src/quad.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn vertical_midpoint(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps_vec2d`
[INFO] [stdout]   --> src/quad.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn overlaps_vec2d(&self, vec: &Vector2d) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps_aabb`
[INFO] [stdout]   --> src/quad.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn overlaps_aabb(&self, aabb: &AABB) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/quad.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn position(&self) -> Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/quad.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn size(&self) -> Size {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_elements`
[INFO] [stdout]   --> src/quad.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     max_elements: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_depth`
[INFO] [stdout]   --> src/quad.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     max_depth: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/quad.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn insert(&mut self, node: &ID, position: &Vector2d) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_mass`
[INFO] [stdout]    --> src/quad.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn update_mass(&mut self, pos: &Vector2d, mass: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide`
[INFO] [stdout]    --> src/quad.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn divide(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/quad.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn query(&self, area: &AABB) -> Vec<ID> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mut_two`
[INFO] [stdout]  --> src/spring_system.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn mut_two<T>(
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]   --> src/spring_system.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn update(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Num`
[INFO] [stdout]   --> src/structs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Num(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/structs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Spring`
[INFO] [stdout]   --> src/structs.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Spring {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Force`
[INFO] [stdout]   --> src/structs.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Force {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Velocity`
[INFO] [stdout]   --> src/structs.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct Velocity {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Fixed`
[INFO] [stdout]   --> src/structs.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Fixed {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_vec`
[INFO] [stdout]   --> src/structs.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn add_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub_vec`
[INFO] [stdout]   --> src/structs.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn sub_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]    --> src/structs.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn normalize(&self) -> Vector2d {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/structs.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn len(&self) -> f64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide_scalar`
[INFO] [stdout]    --> src/structs.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn divide_scalar(&self, scalar: f64) -> Vector2d {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance_to_vec`
[INFO] [stdout]    --> src/structs.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn distance_to_vec(&self, vec: &Vector2d) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]  --> src/velocity_verlet.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn update(
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calc_velocity`
[INFO] [stdout]   --> src/velocity_verlet.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn calc_velocity(velocity: f64, force: f64, mass: i32) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "da52fe0dc3499f554489f4483478dada4557d5595de00863828917bb698c914b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da52fe0dc3499f554489f4483478dada4557d5595de00863828917bb698c914b", kill_on_drop: false }`
[INFO] [stdout] da52fe0dc3499f554489f4483478dada4557d5595de00863828917bb698c914b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb650fdf8154680c594254787c631a4ba2f3febd5ef962c8cd78822612ef223f
[INFO] running `Command { std: "docker" "start" "-a" "fb650fdf8154680c594254787c631a4ba2f3febd5ef962c8cd78822612ef223f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling graph_physics_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/quad.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if (!self.divided) {
[INFO] [stdout]     |                ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             if (!self.divided) {
[INFO] [stdout] 187 +             if !self.divided {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/quad.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     if (area.overlaps_vec2d(pos)) {
[INFO] [stdout]     |                        ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -                     if (area.overlaps_vec2d(pos)) {
[INFO] [stdout] 191 +                     if area.overlaps_vec2d(pos) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structs::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use structs::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `physics_engine`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let physics_engine = PhysicsEngine {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_physics_engine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inserted` is assigned to, but never used
[INFO] [stdout]    --> src/quad.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut inserted = false;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_inserted` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 inserted = tl.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 inserted = tr.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 inserted = bl.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inserted` is never read
[INFO] [stdout]    --> src/quad.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 inserted = br.insert(id, pos);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/spring_system.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for (index, s) in springs.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `force_system`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     force_system: ForceSystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CentralGravityOptions`
[INFO] [stdout]  --> src/central_gravity.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct CentralGravityOptions {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]  --> src/central_gravity.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn update(center: &Vector2d, positions: &Vec<Option<Position>>, forces: &mut Vec<Option<Force>>) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calc_force`
[INFO] [stdout]   --> src/central_gravity.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calc_force(distance: f64, dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gravitational_constant`
[INFO] [stdout]  --> src/force_system.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gravitational_constant: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `theta`
[INFO] [stdout]  --> src/force_system.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     theta: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/force_system.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     options: ForceSystemOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `construct_tree`
[INFO] [stdout]   --> src/force_system.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn construct_tree(&mut self, bounds: AABB, positions: &Vec<Option<(ID, Position)>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_force_contributions`
[INFO] [stdout]   --> src/force_system.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_force_contributions(&self, node: &ID, pos: &Vector2d, branch: &QuadTree) -> Vector2d {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_force`
[INFO] [stdout]   --> src/force_system.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn calc_force(&self, mut distance: f64, mut dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/force_system.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn update(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `half_width`
[INFO] [stdout]   --> src/quad.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn half_width(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `half_height`
[INFO] [stdout]   --> src/quad.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn half_height(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `horizontal_midpoint`
[INFO] [stdout]   --> src/quad.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn horizontal_midpoint(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vertical_midpoint`
[INFO] [stdout]   --> src/quad.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn vertical_midpoint(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps_vec2d`
[INFO] [stdout]   --> src/quad.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn overlaps_vec2d(&self, vec: &Vector2d) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps_aabb`
[INFO] [stdout]   --> src/quad.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn overlaps_aabb(&self, aabb: &AABB) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/quad.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn position(&self) -> Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/quad.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn size(&self) -> Size {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_elements`
[INFO] [stdout]   --> src/quad.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     max_elements: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_depth`
[INFO] [stdout]   --> src/quad.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     max_depth: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/quad.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn insert(&mut self, node: &ID, position: &Vector2d) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_mass`
[INFO] [stdout]    --> src/quad.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn update_mass(&mut self, pos: &Vector2d, mass: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide`
[INFO] [stdout]    --> src/quad.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn divide(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/quad.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn query(&self, area: &AABB) -> Vec<ID> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mut_two`
[INFO] [stdout]  --> src/spring_system.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn mut_two<T>(
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]   --> src/spring_system.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn update(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Num`
[INFO] [stdout]   --> src/structs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Num(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/structs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Spring`
[INFO] [stdout]   --> src/structs.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Spring {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Force`
[INFO] [stdout]   --> src/structs.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Force {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Velocity`
[INFO] [stdout]   --> src/structs.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct Velocity {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec2d`
[INFO] [stdout]   --> src/structs.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Fixed`
[INFO] [stdout]   --> src/structs.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Fixed {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_vec`
[INFO] [stdout]   --> src/structs.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn add_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub_vec`
[INFO] [stdout]   --> src/structs.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn sub_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]    --> src/structs.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn normalize(&self) -> Vector2d {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/structs.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn len(&self) -> f64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide_scalar`
[INFO] [stdout]    --> src/structs.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn divide_scalar(&self, scalar: f64) -> Vector2d {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance_to_vec`
[INFO] [stdout]    --> src/structs.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn distance_to_vec(&self, vec: &Vector2d) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update`
[INFO] [stdout]  --> src/velocity_verlet.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn update(
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calc_velocity`
[INFO] [stdout]   --> src/velocity_verlet.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn calc_velocity(velocity: f64, force: f64, mass: i32) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/graph_physics_engine-359798f0e0024ace)
[INFO] running `Command { std: "docker" "inspect" "fb650fdf8154680c594254787c631a4ba2f3febd5ef962c8cd78822612ef223f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb650fdf8154680c594254787c631a4ba2f3febd5ef962c8cd78822612ef223f", kill_on_drop: false }`
[INFO] [stdout] fb650fdf8154680c594254787c631a4ba2f3febd5ef962c8cd78822612ef223f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 677fe420b15ddfef62ece82368d392df35838a2809cf209d50750c8868fbcf96
[INFO] running `Command { std: "docker" "start" "-a" "677fe420b15ddfef62ece82368d392df35838a2809cf209d50750c8868fbcf96", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/quad.rs:187:16
[INFO] [stderr]     |
[INFO] [stderr] 187 |             if (!self.divided) {
[INFO] [stderr]     |                ^             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 187 -             if (!self.divided) {
[INFO] [stderr] 187 +             if !self.divided {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/quad.rs:191:24
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     if (area.overlaps_vec2d(pos)) {
[INFO] [stderr]     |                        ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 191 -                     if (area.overlaps_vec2d(pos)) {
[INFO] [stderr] 191 +                     if area.overlaps_vec2d(pos) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structs::*`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use structs::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `physics_engine`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let physics_engine = PhysicsEngine {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_physics_engine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inserted` is assigned to, but never used
[INFO] [stderr]    --> src/quad.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let mut inserted = false;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_inserted` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inserted` is never read
[INFO] [stderr]    --> src/quad.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 inserted = tl.insert(id, pos);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inserted` is never read
[INFO] [stderr]    --> src/quad.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 inserted = tr.insert(id, pos);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inserted` is never read
[INFO] [stderr]    --> src/quad.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 inserted = bl.insert(id, pos);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inserted` is never read
[INFO] [stderr]    --> src/quad.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 inserted = br.insert(id, pos);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/spring_system.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for (index, s) in springs.iter().enumerate() {
[INFO] [stderr]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `force_system`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     force_system: ForceSystem,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CentralGravityOptions`
[INFO] [stderr]  --> src/central_gravity.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct CentralGravityOptions {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stderr]  --> src/central_gravity.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn update(center: &Vector2d, positions: &Vec<Option<Position>>, forces: &mut Vec<Option<Force>>) {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_force`
[INFO] [stderr]   --> src/central_gravity.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn calc_force(distance: f64, dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gravitational_constant`
[INFO] [stderr]  --> src/force_system.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     gravitational_constant: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `theta`
[INFO] [stderr]  --> src/force_system.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     theta: f64,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `options`
[INFO] [stderr]   --> src/force_system.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     options: ForceSystemOptions,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `construct_tree`
[INFO] [stderr]   --> src/force_system.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn construct_tree(&mut self, bounds: AABB, positions: &Vec<Option<(ID, Position)>>) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_force_contributions`
[INFO] [stderr]   --> src/force_system.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_force_contributions(&self, node: &ID, pos: &Vector2d, branch: &QuadTree) -> Vector2d {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `calc_force`
[INFO] [stderr]   --> src/force_system.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn calc_force(&self, mut distance: f64, mut dx: f64, dy: f64, mass: i32) -> Force {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/force_system.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn update(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `half_width`
[INFO] [stderr]   --> src/quad.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn half_width(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `half_height`
[INFO] [stderr]   --> src/quad.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn half_height(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `horizontal_midpoint`
[INFO] [stderr]   --> src/quad.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn horizontal_midpoint(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vertical_midpoint`
[INFO] [stderr]   --> src/quad.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn vertical_midpoint(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaps_vec2d`
[INFO] [stderr]   --> src/quad.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn overlaps_vec2d(&self, vec: &Vector2d) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `overlaps_aabb`
[INFO] [stderr]   --> src/quad.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn overlaps_aabb(&self, aabb: &AABB) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `position`
[INFO] [stderr]   --> src/quad.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn position(&self) -> Position {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]   --> src/quad.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn size(&self) -> Size {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_elements`
[INFO] [stderr]   --> src/quad.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     max_elements: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_depth`
[INFO] [stderr]   --> src/quad.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     max_depth: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]   --> src/quad.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn insert(&mut self, node: &ID, position: &Vector2d) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_mass`
[INFO] [stderr]    --> src/quad.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn update_mass(&mut self, pos: &Vector2d, mass: i32) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `divide`
[INFO] [stderr]    --> src/quad.rs:140:8
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn divide(&mut self) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `query`
[INFO] [stderr]    --> src/quad.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn query(&self, area: &AABB) -> Vec<ID> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mut_two`
[INFO] [stderr]  --> src/spring_system.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn mut_two<T>(
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stderr]   --> src/spring_system.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn update(
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Num`
[INFO] [stderr]   --> src/structs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Num(i32),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/structs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_vec2d`
[INFO] [stderr]   --> src/structs.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Spring`
[INFO] [stderr]   --> src/structs.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct Spring {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Force`
[INFO] [stderr]   --> src/structs.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct Force {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_vec2d`
[INFO] [stderr]   --> src/structs.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Velocity`
[INFO] [stderr]   --> src/structs.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct Velocity {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_vec2d`
[INFO] [stderr]   --> src/structs.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn to_vec2d(&self) -> Vector2d {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fixed`
[INFO] [stderr]   --> src/structs.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub struct Fixed {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_vec`
[INFO] [stderr]   --> src/structs.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn add_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sub_vec`
[INFO] [stderr]   --> src/structs.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn sub_vec(&self, vec: &Vector2d) -> Vector2d {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `normalize`
[INFO] [stderr]    --> src/structs.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn normalize(&self) -> Vector2d {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]    --> src/structs.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn len(&self) -> f64 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `divide_scalar`
[INFO] [stderr]    --> src/structs.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn divide_scalar(&self, scalar: f64) -> Vector2d {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `distance_to_vec`
[INFO] [stderr]    --> src/structs.rs:125:12
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn distance_to_vec(&self, vec: &Vector2d) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stderr]  --> src/velocity_verlet.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn update(
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_velocity`
[INFO] [stderr]   --> src/velocity_verlet.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn calc_velocity(velocity: f64, force: f64, mass: i32) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graph_physics_engine` (bin "graph_physics_engine" test) generated 55 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graph_physics_engine-359798f0e0024ace)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "677fe420b15ddfef62ece82368d392df35838a2809cf209d50750c8868fbcf96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677fe420b15ddfef62ece82368d392df35838a2809cf209d50750c8868fbcf96", kill_on_drop: false }`
[INFO] [stdout] 677fe420b15ddfef62ece82368d392df35838a2809cf209d50750c8868fbcf96