[INFO] cloning repository https://github.com/bumzack/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bumzack/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumzack%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumzack%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7997bd3a992cf722e4de5c646bacb01200cb8c8c
[INFO] checking bumzack/raytracer against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumzack%2Fraytracer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bumzack/raytracer on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bumzack/raytracer
[INFO] finished tweaking git repo https://github.com/bumzack/raytracer
[INFO] tweaked toml for git repo https://github.com/bumzack/raytracer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bumzack/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 1d698b569266efc09d9d00cedf14bf15223e9eedfc11383f80d70d7b719b8984
[INFO] running `Command { std: "docker" "start" "-a" "1d698b569266efc09d9d00cedf14bf15223e9eedfc11383f80d70d7b719b8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d698b569266efc09d9d00cedf14bf15223e9eedfc11383f80d70d7b719b8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d698b569266efc09d9d00cedf14bf15223e9eedfc11383f80d70d7b719b8984", kill_on_drop: false }`
[INFO] [stdout] 1d698b569266efc09d9d00cedf14bf15223e9eedfc11383f80d70d7b719b8984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a088c5a628507b73e1cec5d09fba639b580b0b639c3cd23c2a0a2799468ae1fc
[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" "a088c5a628507b73e1cec5d09fba639b580b0b639c3cd23c2a0a2799468ae1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Intersection`
[INFO] [stdout]  --> src/v2/solidobject.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/v2/availableshapes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/v2/availableshapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/availableshapes.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/availableshapes.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/availableshapes.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/availableshapes.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::v2::raytracemath`
[INFO] [stdout]  --> src/v2/availableshapes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::v2::raytracemath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/sphere.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/sphere.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/torus.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/torus.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/algebra/solidobject.rs:15:78
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn append_all_intersections(&self, vantage: &Vector, direction: &Vector, mut intersection_list: &IntersectionList);
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/algebra/solidobject.rs:16:83
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn find_closest_intersection(&mut self, vantage: &Vector, direction: &Vector, mut intersection: &Intersection);
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/raytracer_error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Intersection`
[INFO] [stdout]  --> src/v2/solidobject.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/v2/availableshapes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/v2/availableshapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/availableshapes.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/availableshapes.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/availableshapes.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/availableshapes.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::v2::raytracemath`
[INFO] [stdout]  --> src/v2/availableshapes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::v2::raytracemath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/sphere.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/sphere.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntersectionList`, `Intersection`
[INFO] [stdout]  --> src/v2/torus.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::algebra::intersection::{Intersection, IntersectionList};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::Optics`
[INFO] [stdout]  --> src/v2/torus.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::algebra::optics::Optics;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/algebra/solidobject.rs:15:78
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn append_all_intersections(&self, vantage: &Vector, direction: &Vector, mut intersection_list: &IntersectionList);
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]   --> src/algebra/solidobject.rs:16:83
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn find_closest_intersection(&mut self, vantage: &Vector, direction: &Vector, mut intersection: &Intersection);
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/raytracer_error.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/sphere.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/sphere.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/torus.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/torus.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0369]: cannot subtract `Color` from `Color`
[INFO] [stdout]    --> src/algebra/color.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     println!("diff of a + b = {}", c - c1);
[INFO] [stdout]     |                                    - ^ -- Color
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    Color
[INFO] [stdout]     |
[INFO] [stdout]     = note: an implementation of `std::ops::Sub` might be missing for `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/sphere.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/sphere.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::optics::OpticsOps`
[INFO] [stdout]  --> src/v2/torus.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::algebra::optics::OpticsOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::algebra::vector::VectorOps`
[INFO] [stdout]  --> src/v2/torus.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::algebra::vector::VectorOps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a088c5a628507b73e1cec5d09fba639b580b0b639c3cd23c2a0a2799468ae1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a088c5a628507b73e1cec5d09fba639b580b0b639c3cd23c2a0a2799468ae1fc", kill_on_drop: false }`
[INFO] [stdout] a088c5a628507b73e1cec5d09fba639b580b0b639c3cd23c2a0a2799468ae1fc
