[INFO] cloning repository https://github.com/AntonZelenin/rust-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/AntonZelenin/rust-physics-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53119b3a5eb6e8cdb1430c3bda6d239948cd80d6
[INFO] checking AntonZelenin/rust-physics-engine against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntonZelenin/rust-physics-engine on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AntonZelenin/rust-physics-engine
[INFO] finished tweaking git repo https://github.com/AntonZelenin/rust-physics-engine
[INFO] tweaked toml for git repo https://github.com/AntonZelenin/rust-physics-engine written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AntonZelenin/rust-physics-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f05a8d3f096cc82d2fe139bdb0c2452b1e5c9128f0075f3781707230a5449d5a
[INFO] running `Command { std: "docker" "start" "-a" "f05a8d3f096cc82d2fe139bdb0c2452b1e5c9128f0075f3781707230a5449d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05a8d3f096cc82d2fe139bdb0c2452b1e5c9128f0075f3781707230a5449d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05a8d3f096cc82d2fe139bdb0c2452b1e5c9128f0075f3781707230a5449d5a", kill_on_drop: false }`
[INFO] [stdout] f05a8d3f096cc82d2fe139bdb0c2452b1e5c9128f0075f3781707230a5449d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9bf243508cbd68eee08cfa254841dd0eb544b3c69592b65baf912c3976ca30e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9bf243508cbd68eee08cfa254841dd0eb544b3c69592b65baf912c3976ca30e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
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[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.46
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[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]     Checking smallvec v0.6.11
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[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking slotmap v0.4.0
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[INFO] [stderr]     Checking instant v0.1.2
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[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking rust-physics-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/rigid_body/mod.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     q: &Quaternion,
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sea_level_height`
[INFO] [stdout]  --> src/particle/force_generator/air_buoyancy.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sea_level_height: Real,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/particle/force_generator/deformable_spring.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/particle/force_generator/drag.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(k1: Real, k2: Real) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `World`
[INFO] [stdout]  --> src/particle/world.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct World<'a, P, C, FR, FG>
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_physics`
[INFO] [stdout]   --> src/particle/world.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_physics(&'a mut self, duration: Real) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `integrate`
[INFO] [stdout]   --> src/particle/world.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn integrate(&mut self, duration: Real) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking simba v0.1.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking ncollide3d v0.23.0
[INFO] [stderr]     Checking kiss3d v0.24.1
[INFO] [stdout] warning: unused import: `Translation3`
[INFO] [stdout]  --> examples/spring_cube/spring_demo.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nalgebra::{Point3, Translation3};
[INFO] [stdout]   |                        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/spring_cube/spring_demo.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `app`
[INFO] [stdout]   --> examples/app.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use kiss3d::window::Window;
[INFO] [stdout] 2  | | use rust_physics_engine::timing::TimingData;
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | pub trait App {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     fn display(&mut self);
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/app.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-physics-engine`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `Translation3`, `Vector3`
[INFO] [stdout]  --> examples/fireworks/fireworks_demo/firework.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Point3, Translation3, Vector3};
[INFO] [stdout]   |                        ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> examples/fireworks/fireworks_demo/firework.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Translation3`, `Vector3`
[INFO] [stdout]   --> examples/fireworks/fireworks_demo.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use nalgebra::{Point3, Translation3, Vector3};
[INFO] [stdout]    |                        ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> examples/fireworks/fireworks_demo.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kiss3d::window::Window`
[INFO] [stdout]  --> examples/fireworks/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use kiss3d::window::Window;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> examples/spring_cube/spring_demo.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let duration = timing.get_last_frame_duration().as_secs_f64() as Real;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]   --> examples/spring_cube/spring_demo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     point: Point3<f32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cube`
[INFO] [stdout]   --> examples/spring_cube/spring_demo.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     cube: SceneNode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/rigid_body/mod.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     q: &Quaternion,
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/buoyancy/buoyancy.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         writeln!(self.log, "{}", format!("Velocity {}", vel.y));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/buoyancy/buoyancy.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         writeln!(self.log, "{}", format!("Position {}", pos.y));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/buoyancy/buoyancy.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         writeln!(self.log, "");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/fireworks/fireworks_demo.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     for i in 0..payload.count {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]   --> examples/fireworks/fireworks_demo/firework.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let position = self.get_position();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rule_by_type`
[INFO] [stdout]    --> examples/fireworks/fireworks_demo.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn get_rule_by_type(&self, firework_type: i32) -> &FireworkRule {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sea_level_height`
[INFO] [stdout]  --> src/particle/force_generator/air_buoyancy.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sea_level_height: Real,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/particle/force_generator/deformable_spring.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/particle/force_generator/drag.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(k1: Real, k2: Real) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `World`
[INFO] [stdout]  --> src/particle/world.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct World<'a, P, C, FR, FG>
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_physics`
[INFO] [stdout]   --> src/particle/world.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run_physics(&'a mut self, duration: Real) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `integrate`
[INFO] [stdout]   --> src/particle/world.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn integrate(&mut self, duration: Real) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9bf243508cbd68eee08cfa254841dd0eb544b3c69592b65baf912c3976ca30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bf243508cbd68eee08cfa254841dd0eb544b3c69592b65baf912c3976ca30e", kill_on_drop: false }`
[INFO] [stdout] f9bf243508cbd68eee08cfa254841dd0eb544b3c69592b65baf912c3976ca30e