[INFO] cloning repository https://github.com/DTibbs/raytracing-weekend [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DTibbs/raytracing-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 555cf9c1ec8eb367bef8a4dc67872ed679b28a64 [INFO] testing DTibbs/raytracing-weekend against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDTibbs%2Fraytracing-weekend" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DTibbs/raytracing-weekend on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DTibbs/raytracing-weekend [INFO] finished tweaking git repo https://github.com/DTibbs/raytracing-weekend [INFO] tweaked toml for git repo https://github.com/DTibbs/raytracing-weekend written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/DTibbs/raytracing-weekend already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e6a6a61ff5c14483006f06bd46a21d1bc0c29aed3107bb017b6229cd8f79741 [INFO] running `Command { std: "docker" "start" "-a" "6e6a6a61ff5c14483006f06bd46a21d1bc0c29aed3107bb017b6229cd8f79741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e6a6a61ff5c14483006f06bd46a21d1bc0c29aed3107bb017b6229cd8f79741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e6a6a61ff5c14483006f06bd46a21d1bc0c29aed3107bb017b6229cd8f79741", kill_on_drop: false }` [INFO] [stdout] 6e6a6a61ff5c14483006f06bd46a21d1bc0c29aed3107bb017b6229cd8f79741 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2099fe7ef5960d57688ace21cbbc6fb187b2ea038e3ee9fe85df1cc95e98a865 [INFO] running `Command { std: "docker" "start" "-a" "2099fe7ef5960d57688ace21cbbc6fb187b2ea038e3ee9fe85df1cc95e98a865", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rayon v1.1.0 [INFO] [stderr] Compiling ray-tracing-weekend v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/vec3.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | (self.e[0] * other.e[0] + self.e[1] * other.e[1] + self.e[2] * other.e[2]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hitable.rs:31:21 [INFO] [stdout] | [INFO] [stdout] 31 | pub list: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hitable.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(list: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:134:25 [INFO] [stdout] | [INFO] [stdout] 134 | let mut list: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/material.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut outward_normal: Vec3; [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: constant is never used: `FOUR_THREE` [INFO] [stdout] --> src/camera.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | const FOUR_THREE: f32 = 768.0 / 1024.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_ppm` [INFO] [stdout] --> src/main.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn generate_ppm(world: &Arc, cam: &Camera) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.85s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2099fe7ef5960d57688ace21cbbc6fb187b2ea038e3ee9fe85df1cc95e98a865", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2099fe7ef5960d57688ace21cbbc6fb187b2ea038e3ee9fe85df1cc95e98a865", kill_on_drop: false }` [INFO] [stdout] 2099fe7ef5960d57688ace21cbbc6fb187b2ea038e3ee9fe85df1cc95e98a865 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f978e61663c2f5357b0e9cb35285fe0548641353ae1ba34ecd8af8dba04b3c4 [INFO] running `Command { std: "docker" "start" "-a" "4f978e61663c2f5357b0e9cb35285fe0548641353ae1ba34ecd8af8dba04b3c4", kill_on_drop: false }` [INFO] [stderr] Compiling ray-tracing-weekend v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/vec3.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | (self.e[0] * other.e[0] + self.e[1] * other.e[1] + self.e[2] * other.e[2]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hitable.rs:31:21 [INFO] [stdout] | [INFO] [stdout] 31 | pub list: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hitable.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(list: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:134:25 [INFO] [stdout] | [INFO] [stdout] 134 | let mut list: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/material.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut outward_normal: Vec3; [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: constant is never used: `FOUR_THREE` [INFO] [stdout] --> src/camera.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | const FOUR_THREE: f32 = 768.0 / 1024.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_ppm` [INFO] [stdout] --> src/main.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn generate_ppm(world: &Arc, cam: &Camera) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "4f978e61663c2f5357b0e9cb35285fe0548641353ae1ba34ecd8af8dba04b3c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f978e61663c2f5357b0e9cb35285fe0548641353ae1ba34ecd8af8dba04b3c4", kill_on_drop: false }` [INFO] [stdout] 4f978e61663c2f5357b0e9cb35285fe0548641353ae1ba34ecd8af8dba04b3c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 18de62fbe8db578f3d1aa0749e2b5bfc3efc16878c565dd90b75539db8a45d3d [INFO] running `Command { std: "docker" "start" "-a" "18de62fbe8db578f3d1aa0749e2b5bfc3efc16878c565dd90b75539db8a45d3d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:3:12 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 3 | use rand::{thread_rng, Rng}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/vec3.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | (self.e[0] * other.e[0] + self.e[1] * other.e[1] + self.e[2] * other.e[2]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/hitable.rs:31:21 [INFO] [stderr] | [INFO] [stderr] 31 | pub list: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/hitable.rs:35:28 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn new(list: Vec>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:134:25 [INFO] [stderr] | [INFO] [stderr] 134 | let mut list: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/material.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut outward_normal: Vec3; [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: constant is never used: `FOUR_THREE` [INFO] [stderr] --> src/camera.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const FOUR_THREE: f32 = 768.0 / 1024.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_ppm` [INFO] [stderr] --> src/main.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn generate_ppm(world: &Arc, cam: &Camera) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ray_tracing_weekend-a96b6a6dbe0e9dbf) [INFO] running `Command { std: "docker" "inspect" "18de62fbe8db578f3d1aa0749e2b5bfc3efc16878c565dd90b75539db8a45d3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18de62fbe8db578f3d1aa0749e2b5bfc3efc16878c565dd90b75539db8a45d3d", kill_on_drop: false }` [INFO] [stdout] 18de62fbe8db578f3d1aa0749e2b5bfc3efc16878c565dd90b75539db8a45d3d