[INFO] cloning repository https://github.com/Apochens/RustStudy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Apochens/RustStudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApochens%2FRustStudy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApochens%2FRustStudy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 361ac6b1109dcb5c7e12716adb9a578db15693fa
[INFO] checking Apochens/RustStudy against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FApochens%2FRustStudy" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Apochens/RustStudy on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Apochens/RustStudy
[INFO] finished tweaking git repo https://github.com/Apochens/RustStudy
[INFO] tweaked toml for git repo https://github.com/Apochens/RustStudy written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/Apochens/RustStudy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82f87747c8811afef7b859772c6120b9861c8417c23d2f4bdcf42019da97c0a
[INFO] running `Command { std: "docker" "start" "-a" "f82f87747c8811afef7b859772c6120b9861c8417c23d2f4bdcf42019da97c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82f87747c8811afef7b859772c6120b9861c8417c23d2f4bdcf42019da97c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82f87747c8811afef7b859772c6120b9861c8417c23d2f4bdcf42019da97c0a", kill_on_drop: false }`
[INFO] [stdout] f82f87747c8811afef7b859772c6120b9861c8417c23d2f4bdcf42019da97c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72311630860f1e42a605f78f739a812a28f7585e3ab95d4cb15902560afd2d89
[INFO] running `Command { std: "docker" "start" "-a" "72311630860f1e42a605f78f739a812a28f7585e3ab95d4cb15902560afd2d89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]   --> src/render/vec3.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut ret = Vec3::new_empty();
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/render/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, ray_in: &Ray, rec: &HitRecord, attenuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]   --> src/render/vec3.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut ret = Vec3::new_empty();
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/render/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, ray_in: &Ray, rec: &HitRecord, attenuation: &mut Color, scattered: &mut Ray) -> bool {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_color`
[INFO] [stdout]   --> src/render/color.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn print_color(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_color_to_file`
[INFO] [stdout]   --> src/render/color.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn print_color_to_file(&self, file: &mut File) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_normal`
[INFO] [stdout]   --> src/render/ray.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn set_normal(&mut self, normal: Vec3) { self.normal = normal; }
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/render/hittable_list.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn clear(&mut self) { 
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/render/utils.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const PI: f32 = 3.1415926535897932385;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radius`
[INFO] [stdout]  --> src/render/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn degrees_to_radius(degrees: f32) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_color`
[INFO] [stdout]   --> src/render/color.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn print_color(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_color_to_file`
[INFO] [stdout]   --> src/render/color.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn print_color_to_file(&self, file: &mut File) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_normal`
[INFO] [stdout]   --> src/render/ray.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn set_normal(&mut self, normal: Vec3) { self.normal = normal; }
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/render/hittable_list.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn clear(&mut self) { 
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/render/utils.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const PI: f32 = 3.1415926535897932385;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radius`
[INFO] [stdout]  --> src/render/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn degrees_to_radius(degrees: f32) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.66s
[INFO] running `Command { std: "docker" "inspect" "72311630860f1e42a605f78f739a812a28f7585e3ab95d4cb15902560afd2d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72311630860f1e42a605f78f739a812a28f7585e3ab95d4cb15902560afd2d89", kill_on_drop: false }`
[INFO] [stdout] 72311630860f1e42a605f78f739a812a28f7585e3ab95d4cb15902560afd2d89