[INFO] cloning repository https://github.com/cjschneider2/raytracing-iow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjschneider2/raytracing-iow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjschneider2%2Fraytracing-iow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjschneider2%2Fraytracing-iow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a292e6c1eff7cacfb66c3c7d4f07a5087c74457
[INFO] testing cjschneider2/raytracing-iow against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjschneider2%2Fraytracing-iow" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjschneider2/raytracing-iow on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjschneider2/raytracing-iow
[INFO] finished tweaking git repo https://github.com/cjschneider2/raytracing-iow
[INFO] tweaked toml for git repo https://github.com/cjschneider2/raytracing-iow written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cjschneider2/raytracing-iow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 897557db142f45168714f0d798bb70f1af9a4f431c7f6b5daa30510e905dae52
[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" "897557db142f45168714f0d798bb70f1af9a4f431c7f6b5daa30510e905dae52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "897557db142f45168714f0d798bb70f1af9a4f431c7f6b5daa30510e905dae52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897557db142f45168714f0d798bb70f1af9a4f431c7f6b5daa30510e905dae52", kill_on_drop: false }`
[INFO] [stdout] 897557db142f45168714f0d798bb70f1af9a4f431c7f6b5daa30510e905dae52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8a12858dd37e5417e341543b687625a86de8e844a39ba37d054906bbc5443e
[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" "eb8a12858dd37e5417e341543b687625a86de8e844a39ba37d054906bbc5443e", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing-iow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         ((self.x * self.x) +
[INFO] [stdout] 28 | |          (self.y * self.y) +
[INFO] [stdout] 29 | |          (self.z * self.z))
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self.x * self.x) +
[INFO] [stdout] 28 |          (self.y * self.y) +
[INFO] [stdout] 29 |          (self.z * self.z)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | /         ((self.x * other.x) +
[INFO] [stdout] 46 | |          (self.y * other.y) +
[INFO] [stdout] 47 | |          (self.z * other.z) )
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 |         (self.x * other.x) +
[INFO] [stdout] 46 |          (self.y * other.y) +
[INFO] [stdout] 47 |          (self.z * other.z)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::Material`
[INFO] [stdout]  --> src/hitable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use material::Material;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::rand_in_unit_sphere`
[INFO] [stdout]  --> src/metal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use util::rand_in_unit_sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hitable::{Hit, Hitable};
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metal::Metal`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use metal::Metal;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::Material`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use material::Material;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lambert_2`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let lambert_2 = Lambertian::new(Vec3::new(0.8, 0.8, 0.0));
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambert_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/lambertian.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |                ray_in: &Ray,
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attenuation`
[INFO] [stdout]   --> src/lambertian.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |                attenuation: &Vec3,
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> src/lambertian.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attenuation`
[INFO] [stdout]   --> src/metal.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |                attenuation: &Vec3,
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> src/metal.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/metal.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new( _albedo: Vec3) -> Metal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             write!(file, "{} {} {}\n", r, g, b);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "eb8a12858dd37e5417e341543b687625a86de8e844a39ba37d054906bbc5443e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8a12858dd37e5417e341543b687625a86de8e844a39ba37d054906bbc5443e", kill_on_drop: false }`
[INFO] [stdout] eb8a12858dd37e5417e341543b687625a86de8e844a39ba37d054906bbc5443e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5d470637c4c77cc6f484bcf2e3fc4079048f8bc285aa98cb522d86d7a13f64
[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" "3a5d470637c4c77cc6f484bcf2e3fc4079048f8bc285aa98cb522d86d7a13f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing-iow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         ((self.x * self.x) +
[INFO] [stdout] 28 | |          (self.y * self.y) +
[INFO] [stdout] 29 | |          (self.z * self.z))
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self.x * self.x) +
[INFO] [stdout] 28 |          (self.y * self.y) +
[INFO] [stdout] 29 |          (self.z * self.z)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | /         ((self.x * other.x) +
[INFO] [stdout] 46 | |          (self.y * other.y) +
[INFO] [stdout] 47 | |          (self.z * other.z) )
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 |         (self.x * other.x) +
[INFO] [stdout] 46 |          (self.y * other.y) +
[INFO] [stdout] 47 |          (self.z * other.z)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::Material`
[INFO] [stdout]  --> src/hitable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use material::Material;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::rand_in_unit_sphere`
[INFO] [stdout]  --> src/metal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use util::rand_in_unit_sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]   --> src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use hitable::{Hit, Hitable};
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metal::Metal`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use metal::Metal;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::Material`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use material::Material;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lambert_2`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let lambert_2 = Lambertian::new(Vec3::new(0.8, 0.8, 0.0));
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambert_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/lambertian.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |                ray_in: &Ray,
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attenuation`
[INFO] [stdout]   --> src/lambertian.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |                attenuation: &Vec3,
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> src/lambertian.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attenuation`
[INFO] [stdout]   --> src/metal.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |                attenuation: &Vec3,
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> src/metal.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/metal.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new( _albedo: Vec3) -> Metal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             write!(file, "{} {} {}\n", r, g, b);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "3a5d470637c4c77cc6f484bcf2e3fc4079048f8bc285aa98cb522d86d7a13f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5d470637c4c77cc6f484bcf2e3fc4079048f8bc285aa98cb522d86d7a13f64", kill_on_drop: false }`
[INFO] [stdout] 3a5d470637c4c77cc6f484bcf2e3fc4079048f8bc285aa98cb522d86d7a13f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83bf679076b08c9ab0e46335673f88825144b3aef9cb580ba601a02ae0a99031
[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" "83bf679076b08c9ab0e46335673f88825144b3aef9cb580ba601a02ae0a99031", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | /         ((self.x * self.x) +
[INFO] [stderr] 28 | |          (self.y * self.y) +
[INFO] [stderr] 29 | |          (self.z * self.z))
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 |         (self.x * self.x) +
[INFO] [stderr] 28 |          (self.y * self.y) +
[INFO] [stderr] 29 |          (self.z * self.z)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         ((self.x * other.x) +
[INFO] [stderr] 46 | |          (self.y * other.y) +
[INFO] [stderr] 47 | |          (self.z * other.z) )
[INFO] [stderr]    | |_____________________________^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 |         (self.x * other.x) +
[INFO] [stderr] 46 |          (self.y * other.y) +
[INFO] [stderr] 47 |          (self.z * other.z)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::Material`
[INFO] [stderr]  --> src/hitable.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use material::Material;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::rand_in_unit_sphere`
[INFO] [stderr]  --> src/metal.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use util::rand_in_unit_sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hit`
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | use hitable::{Hit, Hitable};
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `metal::Metal`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use metal::Metal;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::Material`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use material::Material;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lambert_2`
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let lambert_2 = Lambertian::new(Vec3::new(0.8, 0.8, 0.0));
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambert_2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray_in`
[INFO] [stderr]   --> src/lambertian.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |                ray_in: &Ray,
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attenuation`
[INFO] [stderr]   --> src/lambertian.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |                attenuation: &Vec3,
[INFO] [stderr]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scattered`
[INFO] [stderr]   --> src/lambertian.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stderr]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attenuation`
[INFO] [stderr]   --> src/metal.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 |                attenuation: &Vec3,
[INFO] [stderr]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attenuation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scattered`
[INFO] [stderr]   --> src/metal.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |                scattered: &Ray) -> (bool, Ray, Vec3)
[INFO] [stderr]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/metal.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new( _albedo: Vec3) -> Metal {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             write!(file, "{} {} {}\n", r, g, b);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raytracing_iow-e0ca397cc0cfdfb8
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83bf679076b08c9ab0e46335673f88825144b3aef9cb580ba601a02ae0a99031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bf679076b08c9ab0e46335673f88825144b3aef9cb580ba601a02ae0a99031", kill_on_drop: false }`
[INFO] [stdout] 83bf679076b08c9ab0e46335673f88825144b3aef9cb580ba601a02ae0a99031
