[INFO] cloning repository https://github.com/Spirati/sdl2-poly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spirati/sdl2-poly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirati%2Fsdl2-poly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirati%2Fsdl2-poly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 298bcdf638cc2532612ef4dbb952e7bf867ceb68
[INFO] testing Spirati/sdl2-poly against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirati%2Fsdl2-poly" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spirati/sdl2-poly on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Spirati/sdl2-poly
[INFO] finished tweaking git repo https://github.com/Spirati/sdl2-poly
[INFO] tweaked toml for git repo https://github.com/Spirati/sdl2-poly written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Spirati/sdl2-poly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7baf86b5bb4381a6ab69be897ca1e4818391df64cc6323288a03f783578a4586
[INFO] running `Command { std: "docker" "start" "-a" "7baf86b5bb4381a6ab69be897ca1e4818391df64cc6323288a03f783578a4586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7baf86b5bb4381a6ab69be897ca1e4818391df64cc6323288a03f783578a4586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7baf86b5bb4381a6ab69be897ca1e4818391df64cc6323288a03f783578a4586", kill_on_drop: false }`
[INFO] [stdout] 7baf86b5bb4381a6ab69be897ca1e4818391df64cc6323288a03f783578a4586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] bb4a94d4f701af2cf0ab0d1ecca344fc76ae54ab36e185e8dbd6c51fce252cac
[INFO] running `Command { std: "docker" "start" "-a" "bb4a94d4f701af2cf0ab0d1ecca344fc76ae54ab36e185e8dbd6c51fce252cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]    Compiling sdl_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ZERO_TWOPI` should have an upper camel case name
[INFO] [stdout]   --> src/util/math.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ZERO_TWOPI,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ZeroTwopi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sin_closure`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let sin_closure = |x: f64| 192.0 * ((std::f64::consts::PI * x / 128.0).sin() + 1.0);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sin_closure`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upper`
[INFO] [stdout]   --> src/util/math.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn build_inclusive(lower: f64, upper: f64) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_upper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PureFunc`
[INFO] [stdout]  --> src/util/math.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type PureFunc = dyn Fn(f64) -> f64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exclusive`
[INFO] [stdout]  --> src/util/math.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Exclusive(f64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift`
[INFO] [stdout]   --> src/util/math.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn shift(self, amount: f64) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StdDomains`
[INFO] [stdout]   --> src/util/math.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum StdDomains {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `differentiate`
[INFO] [stdout]   --> src/util/math.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn differentiate(mut coefficients: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_differentiate`
[INFO] [stdout]   --> src/util/math.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn n_differentiate(mut coefficients: Vec<f64>, mut n: usize) -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `poly_closure`
[INFO] [stdout]   --> src/util/math.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn poly_closure(coefficients: Vec<f64>) -> Box<PureFunc> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle`
[INFO] [stdout]  --> src/draw/primitive.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw_circle<T: RenderTarget>(x: i32, y: i32, r: i32, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_polynomial`
[INFO] [stdout]   --> src/draw/primitive.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn draw_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_filled_polynomial`
[INFO] [stdout]   --> src/draw/primitive.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn draw_filled_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_filled_pure_function`
[INFO] [stdout]   --> src/draw/primitive.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn draw_filled_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_pure_function`
[INFO] [stdout]   --> src/draw/primitive.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn draw_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "bb4a94d4f701af2cf0ab0d1ecca344fc76ae54ab36e185e8dbd6c51fce252cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4a94d4f701af2cf0ab0d1ecca344fc76ae54ab36e185e8dbd6c51fce252cac", kill_on_drop: false }`
[INFO] [stdout] bb4a94d4f701af2cf0ab0d1ecca344fc76ae54ab36e185e8dbd6c51fce252cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e9aeedd02b067c00202c0ef19e0cfc1c51e6d02b01740f3fbea3183bdbbcde
[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" "34e9aeedd02b067c00202c0ef19e0cfc1c51e6d02b01740f3fbea3183bdbbcde", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ZERO_TWOPI` should have an upper camel case name
[INFO] [stdout]   --> src/util/math.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ZERO_TWOPI,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ZeroTwopi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sin_closure`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let sin_closure = |x: f64| 192.0 * ((std::f64::consts::PI * x / 128.0).sin() + 1.0);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sin_closure`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upper`
[INFO] [stdout]   --> src/util/math.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn build_inclusive(lower: f64, upper: f64) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_upper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exclusive`
[INFO] [stdout]  --> src/util/math.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Exclusive(f64),
[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: `shift`
[INFO] [stdout]   --> src/util/math.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn shift(self, amount: f64) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StdDomains`
[INFO] [stdout]   --> src/util/math.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum StdDomains {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle`
[INFO] [stdout]  --> src/draw/primitive.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw_circle<T: RenderTarget>(x: i32, y: i32, r: i32, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_polynomial`
[INFO] [stdout]   --> src/draw/primitive.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn draw_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_filled_polynomial`
[INFO] [stdout]   --> src/draw/primitive.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn draw_filled_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_filled_pure_function`
[INFO] [stdout]   --> src/draw/primitive.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn draw_filled_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_pure_function`
[INFO] [stdout]   --> src/draw/primitive.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn draw_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "34e9aeedd02b067c00202c0ef19e0cfc1c51e6d02b01740f3fbea3183bdbbcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e9aeedd02b067c00202c0ef19e0cfc1c51e6d02b01740f3fbea3183bdbbcde", kill_on_drop: false }`
[INFO] [stdout] 34e9aeedd02b067c00202c0ef19e0cfc1c51e6d02b01740f3fbea3183bdbbcde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 516ee56f83e438fd6459c64cabd229a292622469c8e456ecf80f8c63b9e620f0
[INFO] running `Command { std: "docker" "start" "-a" "516ee56f83e438fd6459c64cabd229a292622469c8e456ecf80f8c63b9e620f0", kill_on_drop: false }`
[INFO] [stderr] warning: variant `ZERO_TWOPI` should have an upper camel case name
[INFO] [stderr]   --> src/util/math.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ZERO_TWOPI,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ZeroTwopi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sin_closure`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let sin_closure = |x: f64| 192.0 * ((std::f64::consts::PI * x / 128.0).sin() + 1.0);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sin_closure`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `upper`
[INFO] [stderr]   --> src/util/math.rs:11:40
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn build_inclusive(lower: f64, upper: f64) -> Self {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_upper`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Exclusive`
[INFO] [stderr]  --> src/util/math.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Exclusive(f64),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shift`
[INFO] [stderr]   --> src/util/math.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn shift(self, amount: f64) -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StdDomains`
[INFO] [stderr]   --> src/util/math.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub enum StdDomains {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_circle`
[INFO] [stderr]  --> src/draw/primitive.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn draw_circle<T: RenderTarget>(x: i32, y: i32, r: i32, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_polynomial`
[INFO] [stderr]   --> src/draw/primitive.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn draw_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_filled_polynomial`
[INFO] [stderr]   --> src/draw/primitive.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn draw_filled_polynomial<T: RenderTarget>(coefficients: Vec<f64>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_filled_pure_function`
[INFO] [stderr]   --> src/draw/primitive.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn draw_filled_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_pure_function`
[INFO] [stderr]   --> src/draw/primitive.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn draw_pure_function<T: RenderTarget>(func: Box<math::PureFunc>, canvas: &mut Canvas<T>) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sdl_test` (bin "sdl_test" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sdl_test-c2375981d4447335)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::tests::math::diff ... ok
[INFO] [stdout] test util::tests::math::polynomial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "516ee56f83e438fd6459c64cabd229a292622469c8e456ecf80f8c63b9e620f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516ee56f83e438fd6459c64cabd229a292622469c8e456ecf80f8c63b9e620f0", kill_on_drop: false }`
[INFO] [stdout] 516ee56f83e438fd6459c64cabd229a292622469c8e456ecf80f8c63b9e620f0