[INFO] updating cached repository bumzack/raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bumzack/raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bumzack/raytracer" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bumzack/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bumzack/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bumzack/raytracer" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bumzack/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bumzack/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7997bd3a992cf722e4de5c646bacb01200cb8c8c
[INFO] sha for GitHub repo bumzack/raytracer: 7997bd3a992cf722e4de5c646bacb01200cb8c8c
[INFO] validating manifest of bumzack/raytracer on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bumzack/raytracer on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bumzack/raytracer
[INFO] finished frobbing bumzack/raytracer
[INFO] frobbed toml for bumzack/raytracer written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bumzack/raytracer/Cargo.toml
[INFO] started frobbing bumzack/raytracer
[INFO] finished frobbing bumzack/raytracer
[INFO] frobbed toml for bumzack/raytracer written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/bumzack/raytracer/Cargo.toml
[INFO] crate bumzack/raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bumzack/raytracer against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/bumzack/raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0e413ef6aa15d6e9b526fbf9e32d400b4acc5e569f3dfd479d1ea4bfde3575fe
[INFO] running `"docker" "start" "-a" "0e413ef6aa15d6e9b526fbf9e32d400b4acc5e569f3dfd479d1ea4bfde3575fe"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Intersection`
[INFO] [stderr]  --> src/v2/solidobject.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/v2/availableshapes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/v2/availableshapes.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/availableshapes.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/availableshapes.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/availableshapes.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/availableshapes.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::v2::raytracemath`
[INFO] [stderr]  --> src/v2/availableshapes.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::v2::raytracemath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/sphere.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/sphere.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/torus.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/torus.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/algebra/solidobject.rs:15:78
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn append_all_intersections(&self, vantage: &Vector, direction: &Vector, mut intersection_list: &IntersectionList);
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/algebra/solidobject.rs:16:83
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn find_closest_intersection(&mut self, vantage: &Vector, direction: &Vector, mut intersection: &Intersection);
[INFO] [stderr]    |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/raytracer_error.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Intersection`
[INFO] [stderr]  --> src/v2/solidobject.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/v2/availableshapes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/v2/availableshapes.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/availableshapes.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/availableshapes.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/availableshapes.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/availableshapes.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::v2::raytracemath`
[INFO] [stderr]  --> src/v2/availableshapes.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::v2::raytracemath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/sphere.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/sphere.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stderr]  --> src/v2/torus.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stderr]  --> src/v2/torus.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::algebra::optics::Optics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/algebra/solidobject.rs:15:78
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn append_all_intersections(&self, vantage: &Vector, direction: &Vector, mut intersection_list: &IntersectionList);
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/algebra/solidobject.rs:16:83
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn find_closest_intersection(&mut self, vantage: &Vector, direction: &Vector, mut intersection: &Intersection);
[INFO] [stderr]    |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils/raytracer_error.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/sphere.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/sphere.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/torus.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/torus.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `angle_in_degrees`
[INFO] [stderr]   --> src/v2/sphere.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn rotate_x(&mut self, angle_in_degrees: f32) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_angle_in_degrees`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `angle_in_degrees`
[INFO] [stderr]   --> src/v2/torus.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn rotate_x(&mut self, angle_in_degrees: f32) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_angle_in_degrees`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gloss_factor`
[INFO] [stderr]   --> src/algebra/optics.rs:78:43
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn set_matte_gloss_balance(&mut self, gloss_factor: f32, raw_matte_color: Color, raw_gloss_color: Color) {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_gloss_factor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_matte_color`
[INFO] [stderr]   --> src/algebra/optics.rs:78:62
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn set_matte_gloss_balance(&mut self, gloss_factor: f32, raw_matte_color: Color, raw_gloss_color: Color) {
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_raw_matte_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_gloss_color`
[INFO] [stderr]   --> src/algebra/optics.rs:78:86
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn set_matte_gloss_balance(&mut self, gloss_factor: f32, raw_matte_color: Color, raw_gloss_color: Color) {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_raw_gloss_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]   --> src/algebra/solidobject.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    |                                  ^^^^ help: consider prefixing with an underscore: `_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intersection`
[INFO] [stderr]   --> src/algebra/solidobject.rs:36:59
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]   --> src/algebra/intersection.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intersection`
[INFO] [stderr]   --> src/algebra/intersection.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intersection`
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `-` cannot be applied to type `algebra::color::Color`
[INFO] [stderr]    --> src/algebra/color.rs:162:38
[INFO] [stderr]     |
[INFO] [stderr] 162 |     println!("diff of a + b = {}", c - c1);
[INFO] [stderr]     |                                    - ^ -- algebra::color::Color
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    algebra::color::Color
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut sphere = &mut shapes[0];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: an implementation of `std::ops::Sub` might be missing for `algebra::color::Color`
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut torus = &mut shapes[1];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/sphere.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/sphere.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stderr]  --> src/v2/torus.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stderr]  --> src/v2/torus.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0369`.
[INFO] [stderr] warning: constant item is never used: `EPSILON`
[INFO] [stderr]   --> src/v2/solidobject.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const EPSILON: f32 = 1.0e-6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPSILON`
[INFO] [stderr]   --> src/v2/availableshapes.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const EPSILON: f32 = 1.0e-6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPSILON`
[INFO] [stderr]  --> src/v2/raytracemath.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const EPSILON: f32 = 1.0e-6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_VACUUM`
[INFO] [stderr]  --> src/algebra/refraction.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const REFRACTION_VACUUM: f32 = 1.0000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_AIR`
[INFO] [stderr]  --> src/algebra/refraction.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const REFRACTION_AIR: f32 = 1.0003;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_ICE`
[INFO] [stderr]  --> src/algebra/refraction.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const REFRACTION_ICE: f32 = 1.3100;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `raytracer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: constant item is never used: `REFRACTION_WATER`
[INFO] [stderr]  --> src/algebra/refraction.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const REFRACTION_WATER: f32 = 1.3330;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_GASOLINE`
[INFO] [stderr]  --> src/algebra/refraction.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const REFRACTION_GASOLINE: f32 = 1.3980;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_GLASS`
[INFO] [stderr]  --> src/algebra/refraction.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const REFRACTION_GLASS: f32 = 1.5500;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_SAPPHIRE`
[INFO] [stderr]  --> src/algebra/refraction.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const REFRACTION_SAPPHIRE: f32 = 1.7700;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_DIAMOND`
[INFO] [stderr]   --> src/algebra/refraction.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const REFRACTION_DIAMOND: f32 = 2.4190;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_MINIMUM`
[INFO] [stderr]   --> src/algebra/refraction.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const REFRACTION_MINIMUM: f32 = 1.0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFRACTION_MAXIMUM`
[INFO] [stderr]   --> src/algebra/refraction.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REFRACTION_MAXIMUM: f32 = 9.0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_refraction`
[INFO] [stderr]   --> src/algebra/refraction.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn validate_refraction(refraction: f32) -> Result<(), RayTracerError>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPSILON`
[INFO] [stderr]   --> src/algebra/solidobject.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const EPSILON: f32 = 1.0e-6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pick_closest_intersection`
[INFO] [stderr]   --> src/algebra/solidobject.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SolidObject`
[INFO] [stderr]   --> src/algebra/solidobject.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct SolidObject {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/algebra/solidobject.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new() -> SolidObject {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pick_closest_intersection`
[INFO] [stderr]   --> src/algebra/intersection.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn pick_closest_intersection(list: &IntersectionList, intersection: &Intersection) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/algebra/intersection.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new() -> Intersection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefractionInvalid`
[INFO] [stderr]   --> src/utils/raytracer_error.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     RefractionInvalid(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0e413ef6aa15d6e9b526fbf9e32d400b4acc5e569f3dfd479d1ea4bfde3575fe"`
[INFO] running `"docker" "rm" "-f" "0e413ef6aa15d6e9b526fbf9e32d400b4acc5e569f3dfd479d1ea4bfde3575fe"`
[INFO] [stdout] 0e413ef6aa15d6e9b526fbf9e32d400b4acc5e569f3dfd479d1ea4bfde3575fe