[INFO] cloning repository https://github.com/Dallin343/RustRayTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dallin343/RustRayTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDallin343%2FRustRayTracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDallin343%2FRustRayTracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daa875757b495dfe61949c88025407d6c1d9c7d3
[INFO] testing Dallin343/RustRayTracer against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDallin343%2FRustRayTracer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dallin343/RustRayTracer on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dallin343/RustRayTracer
[INFO] finished tweaking git repo https://github.com/Dallin343/RustRayTracer
[INFO] tweaked toml for git repo https://github.com/Dallin343/RustRayTracer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dallin343/RustRayTracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57421bd4d2f1a2dfd2aea477de8da02c01067364023a92c003690bcb6b16fbe6
[INFO] running `Command { std: "docker" "start" "-a" "57421bd4d2f1a2dfd2aea477de8da02c01067364023a92c003690bcb6b16fbe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57421bd4d2f1a2dfd2aea477de8da02c01067364023a92c003690bcb6b16fbe6", kill_on_drop: false }`
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[INFO] [stdout] 57421bd4d2f1a2dfd2aea477de8da02c01067364023a92c003690bcb6b16fbe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a97f093726624b5c6cf5d853c2b84dd3637791e3972398b571e98b996491195
[INFO] running `Command { std: "docker" "start" "-a" "4a97f093726624b5c6cf5d853c2b84dd3637791e3972398b571e98b996491195", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v1.4.4
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling lalrpop-util v0.19.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling lalrpop v0.19.5
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `normalize`
[INFO] [stdout]  --> src/renderable/sphere.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Vector3, Point3, normalize, dot};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `approx_eq`
[INFO] [stdout]  --> src/renderable/polygon.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Point3, normalize, cross, Vector3, dot, approx_eq};
[INFO] [stdout]   |                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `abs`, `approx_eq`
[INFO] [stdout]  --> src/scene/mod.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::{Vector3, Point3, approx_eq, dot, clamp, normalize, abs};
[INFO] [stdout]   |                                 ^^^^^^^^^                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `distance`
[INFO] [stdout]  --> src/scene/camera.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Vector3, distance};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/scene/mod.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let v: Vector3<f64> = v - hit.point;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/scene/mod.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn trace_camera_ray(&self, ray: &Ray, depth: u8) -> Vector3<f64> {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut file = match File::create(&output_path) {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `origin_as_tuple` and `dir_as_tuple` are never used
[INFO] [stdout]   --> src/rays/ray.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ray {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn origin_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn dir_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `vector_to` is never used
[INFO] [stdout]   --> src/rays/hit.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Hit {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn vector_to(&self, v: Point3<f64>) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `look_up` is never read
[INFO] [stdout]  --> src/scene/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     look_up: Vector3<f64>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     writer.write(b"P6\n1000 1000\n255\n");
[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] 36 |     let _ = writer.write(b"P6\n1000 1000\n255\n");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         writer.write_all(&row_vec);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = writer.write_all(&row_vec);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `scene_grammar::core::f64::<impl f64>::max` that must be used
[INFO] [stdout]    --> src/scene/mod.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     angle.max(0.0);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the result of the comparison, without modifying either input
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     let _ = angle.max(0.0);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4a97f093726624b5c6cf5d853c2b84dd3637791e3972398b571e98b996491195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a97f093726624b5c6cf5d853c2b84dd3637791e3972398b571e98b996491195", kill_on_drop: false }`
[INFO] [stdout] 4a97f093726624b5c6cf5d853c2b84dd3637791e3972398b571e98b996491195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57bc5bd8ceabb3246e64b9c3c1948d2498610a3d9c011a1b9baa61069554df14
[INFO] running `Command { std: "docker" "start" "-a" "57bc5bd8ceabb3246e64b9c3c1948d2498610a3d9c011a1b9baa61069554df14", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `normalize`
[INFO] [stdout]  --> src/renderable/sphere.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Vector3, Point3, normalize, dot};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `approx_eq`
[INFO] [stdout]  --> src/renderable/polygon.rs:1:56
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Point3, normalize, cross, Vector3, dot, approx_eq};
[INFO] [stdout]   |                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `abs`, `approx_eq`
[INFO] [stdout]  --> src/scene/mod.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::{Vector3, Point3, approx_eq, dot, clamp, normalize, abs};
[INFO] [stdout]   |                                 ^^^^^^^^^                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `distance`
[INFO] [stdout]  --> src/scene/camera.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Vector3, distance};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/scene/mod.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let v: Vector3<f64> = v - hit.point;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/scene/mod.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn trace_camera_ray(&self, ray: &Ray, depth: u8) -> Vector3<f64> {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut file = match File::create(&output_path) {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `origin_as_tuple` and `dir_as_tuple` are never used
[INFO] [stdout]   --> src/rays/ray.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ray {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn origin_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn dir_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `vector_to` is never used
[INFO] [stdout]   --> src/rays/hit.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Hit {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn vector_to(&self, v: Point3<f64>) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `look_up` is never read
[INFO] [stdout]  --> src/scene/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     look_up: Vector3<f64>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     writer.write(b"P6\n1000 1000\n255\n");
[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] 36 |     let _ = writer.write(b"P6\n1000 1000\n255\n");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         writer.write_all(&row_vec);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = writer.write_all(&row_vec);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `scene_grammar::core::f64::<impl f64>::max` that must be used
[INFO] [stdout]    --> src/scene/mod.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     angle.max(0.0);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the result of the comparison, without modifying either input
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |                     let _ = angle.max(0.0);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "57bc5bd8ceabb3246e64b9c3c1948d2498610a3d9c011a1b9baa61069554df14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bc5bd8ceabb3246e64b9c3c1948d2498610a3d9c011a1b9baa61069554df14", kill_on_drop: false }`
[INFO] [stdout] 57bc5bd8ceabb3246e64b9c3c1948d2498610a3d9c011a1b9baa61069554df14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 460ab06ec91d06c3d5ada16b9943b933e6a6c8ad41287b91cd4ce4711a9f122b
[INFO] running `Command { std: "docker" "start" "-a" "460ab06ec91d06c3d5ada16b9943b933e6a6c8ad41287b91cd4ce4711a9f122b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `normalize`
[INFO] [stderr]  --> src/renderable/sphere.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nalgebra::{Vector3, Point3, normalize, dot};
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `approx_eq`
[INFO] [stderr]  --> src/renderable/polygon.rs:1:56
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nalgebra::{Point3, normalize, cross, Vector3, dot, approx_eq};
[INFO] [stderr]   |                                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `abs`, `approx_eq`
[INFO] [stderr]  --> src/scene/mod.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nalgebra::{Vector3, Point3, approx_eq, dot, clamp, normalize, abs};
[INFO] [stderr]   |                                 ^^^^^^^^^                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `distance`
[INFO] [stderr]  --> src/scene/camera.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nalgebra::{Vector3, distance};
[INFO] [stderr]   |                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/scene/mod.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let v: Vector3<f64> = v - hit.point;
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/scene/mod.rs:78:43
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn trace_camera_ray(&self, ray: &Ray, depth: u8) -> Vector3<f64> {
[INFO] [stderr]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut file = match File::create(&output_path) {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `origin_as_tuple` and `dir_as_tuple` are never used
[INFO] [stderr]   --> src/rays/ray.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Ray {
[INFO] [stderr]    | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn origin_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn dir_as_tuple(&self) -> (f64, f64, f64) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `vector_to` is never used
[INFO] [stderr]   --> src/rays/hit.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Hit {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn vector_to(&self, v: Point3<f64>) -> Vector3<f64> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `look_up` is never read
[INFO] [stderr]  --> src/scene/camera.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Camera {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 6 |     look_up: Vector3<f64>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writer.write(b"P6\n1000 1000\n255\n");
[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] 36 |     let _ = writer.write(b"P6\n1000 1000\n255\n");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writer.write_all(&row_vec);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let _ = writer.write_all(&row_vec);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `scene_grammar::core::f64::<impl f64>::max` that must be used
[INFO] [stderr]    --> src/scene/mod.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     angle.max(0.0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the result of the comparison, without modifying either input
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     let _ = angle.max(0.0);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_tracer` (bin "ray_tracer" test) generated 13 warnings (run `cargo fix --bin "ray_tracer" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.5, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracer-e921015a365320c0)
[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" "460ab06ec91d06c3d5ada16b9943b933e6a6c8ad41287b91cd4ce4711a9f122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460ab06ec91d06c3d5ada16b9943b933e6a6c8ad41287b91cd4ce4711a9f122b", kill_on_drop: false }`
[INFO] [stdout] 460ab06ec91d06c3d5ada16b9943b933e6a6c8ad41287b91cd4ce4711a9f122b
