[INFO] cloning repository https://github.com/stelzch/effective-octo-barnacle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stelzch/effective-octo-barnacle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstelzch%2Feffective-octo-barnacle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstelzch%2Feffective-octo-barnacle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f0bc1d2d5c7d53838423e36591647b614392f58
[INFO] testing stelzch/effective-octo-barnacle against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstelzch%2Feffective-octo-barnacle" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stelzch/effective-octo-barnacle on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stelzch/effective-octo-barnacle
[INFO] finished tweaking git repo https://github.com/stelzch/effective-octo-barnacle
[INFO] tweaked toml for git repo https://github.com/stelzch/effective-octo-barnacle written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stelzch/effective-octo-barnacle 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libpulse-binding v2.15.0
[INFO] [stderr]   Downloaded libpulse-simple-sys v1.12.1
[INFO] [stderr]   Downloaded libpulse-sys v1.12.1
[INFO] [stderr]   Downloaded libpulse-simple-binding v2.15.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0178c45311c67b71675e0999bb5402cddcf47c464607a4fd23577ac7ae86e645
[INFO] running `Command { std: "docker" "start" "-a" "0178c45311c67b71675e0999bb5402cddcf47c464607a4fd23577ac7ae86e645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0178c45311c67b71675e0999bb5402cddcf47c464607a4fd23577ac7ae86e645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0178c45311c67b71675e0999bb5402cddcf47c464607a4fd23577ac7ae86e645", kill_on_drop: false }`
[INFO] [stdout] 0178c45311c67b71675e0999bb5402cddcf47c464607a4fd23577ac7ae86e645
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 810636d461916b569005e9bc961806bc764d73445802e4f0c4036119c09e0f10
[INFO] running `Command { std: "docker" "start" "-a" "810636d461916b569005e9bc961806bc764d73445802e4f0c4036119c09e0f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling libpulse-sys v1.12.1
[INFO] [stderr]    Compiling libpulse-simple-sys v1.12.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling libpulse-binding v2.15.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling libpulse-simple-binding v2.15.0
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graphics::Polygon`
[INFO] [stdout]  --> src/audio/generator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::graphics::Polygon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]   --> src/audio/generator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::max;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/audio/generator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/engine.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_samples`
[INFO] [stdout]   --> src/engine.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let entity_samples : usize = (entity.perimeter() / total_perimeter * f64::from(self.num_samples as i32)) as usize;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_samples`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BALL_RADIUS` is never used
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const BALL_RADIUS : f64 = 0.07;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_to_wavetable` is never used
[INFO] [stdout]   --> src/audio/generator.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn func_to_wavetable(num_samples : usize, f : impl Fn(usize) -> i16) -> Vec<i16> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wavetable` is never used
[INFO] [stdout]   --> src/audio/generator.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn sine_wavetable(freq : u32, phase : f64, amplitude : f64, offset : f64) -> Vec<i16> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/graphics.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Polygon {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 53 |     pub points: Vec<Point2D>,
[INFO] [stdout] 54 |     pub x: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout] 55 |     pub y: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Polygon` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bounding_box` and `direction` are never read
[INFO] [stdout]   --> src/engine.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Entity {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |    pub geometry: Polygon,
[INFO] [stdout] 12 |    pub bounding_box: Rectangle,
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 13 |    pub pos : Point2D,
[INFO] [stdout] 14 |    pub direction : Option<Vector2D>
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "810636d461916b569005e9bc961806bc764d73445802e4f0c4036119c09e0f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810636d461916b569005e9bc961806bc764d73445802e4f0c4036119c09e0f10", kill_on_drop: false }`
[INFO] [stdout] 810636d461916b569005e9bc961806bc764d73445802e4f0c4036119c09e0f10
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425ae801b226017145757c6e0d1651b9baace9df2f2594ec5a8b195ec0848b99
[INFO] running `Command { std: "docker" "start" "-a" "425ae801b226017145757c6e0d1651b9baace9df2f2594ec5a8b195ec0848b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graphics::Polygon`
[INFO] [stdout]  --> src/audio/generator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::graphics::Polygon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]   --> src/audio/generator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::max;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/audio/generator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/engine.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_samples`
[INFO] [stdout]   --> src/engine.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let entity_samples : usize = (entity.perimeter() / total_perimeter * f64::from(self.num_samples as i32)) as usize;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_samples`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_to_wavetable` is never used
[INFO] [stdout]   --> src/audio/generator.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn func_to_wavetable(num_samples : usize, f : impl Fn(usize) -> i16) -> Vec<i16> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wavetable` is never used
[INFO] [stdout]   --> src/audio/generator.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn sine_wavetable(freq : u32, phase : f64, amplitude : f64, offset : f64) -> Vec<i16> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/graphics.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Polygon {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 53 |     pub points: Vec<Point2D>,
[INFO] [stdout] 54 |     pub x: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout] 55 |     pub y: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Polygon` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bounding_box` and `direction` are never read
[INFO] [stdout]   --> src/engine.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Entity {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |    pub geometry: Polygon,
[INFO] [stdout] 12 |    pub bounding_box: Rectangle,
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 13 |    pub pos : Point2D,
[INFO] [stdout] 14 |    pub direction : Option<Vector2D>
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "425ae801b226017145757c6e0d1651b9baace9df2f2594ec5a8b195ec0848b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425ae801b226017145757c6e0d1651b9baace9df2f2594ec5a8b195ec0848b99", kill_on_drop: false }`
[INFO] [stdout] 425ae801b226017145757c6e0d1651b9baace9df2f2594ec5a8b195ec0848b99
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2fb0ecbacfe3c2e1ddfb3365d0a82267f62588053ea073433027c78d4ffb858
[INFO] running `Command { std: "docker" "start" "-a" "e2fb0ecbacfe3c2e1ddfb3365d0a82267f62588053ea073433027c78d4ffb858", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::graphics::Polygon`
[INFO] [stderr]  --> src/audio/generator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::graphics::Polygon;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]   --> src/audio/generator.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp::max;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice`
[INFO] [stderr]   --> src/audio/generator.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::slice;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/engine.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity_samples`
[INFO] [stderr]   --> src/engine.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let entity_samples : usize = (entity.perimeter() / total_perimeter * f64::from(self.num_samples as i32)) as usize;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_samples`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `func_to_wavetable` is never used
[INFO] [stderr]   --> src/audio/generator.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn func_to_wavetable(num_samples : usize, f : impl Fn(usize) -> i16) -> Vec<i16> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sine_wavetable` is never used
[INFO] [stderr]   --> src/audio/generator.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn sine_wavetable(freq : u32, phase : f64, amplitude : f64, offset : f64) -> Vec<i16> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/graphics.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Polygon {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 53 |     pub points: Vec<Point2D>,
[INFO] [stderr] 54 |     pub x: f64,
[INFO] [stderr]    |         ^
[INFO] [stderr] 55 |     pub y: f64,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Polygon` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `bounding_box` and `direction` are never read
[INFO] [stderr]   --> src/engine.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Entity {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 11 |    pub geometry: Polygon,
[INFO] [stderr] 12 |    pub bounding_box: Rectangle,
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 13 |    pub pos : Point2D,
[INFO] [stderr] 14 |    pub direction : Option<Vector2D>
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/engine.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let _ = audio.pa.write(&entity_to_wavetable(samples, &self));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust` (bin "rust" test) generated 11 warnings (run `cargo fix --bin "rust" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust-3e1d6b77ffadf81d)
[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" "e2fb0ecbacfe3c2e1ddfb3365d0a82267f62588053ea073433027c78d4ffb858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fb0ecbacfe3c2e1ddfb3365d0a82267f62588053ea073433027c78d4ffb858", kill_on_drop: false }`
[INFO] [stdout] e2fb0ecbacfe3c2e1ddfb3365d0a82267f62588053ea073433027c78d4ffb858