[INFO] cloning repository https://github.com/laukevin/rust-raytrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laukevin/rust-raytrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust-raytrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust-raytrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 232f8abd79f30eaf583bdb2b7a1b212a29649021
[INFO] checking laukevin/rust-raytrace against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust-raytrace" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/laukevin/rust-raytrace
[INFO] finished tweaking git repo https://github.com/laukevin/rust-raytrace
[INFO] tweaked toml for git repo https://github.com/laukevin/rust-raytrace written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/laukevin/rust-raytrace on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/laukevin/rust-raytrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking laukevin/rust-raytrace against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaukevin%2Frust-raytrace" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/laukevin/rust-raytrace
[INFO] finished tweaking git repo https://github.com/laukevin/rust-raytrace
[INFO] tweaked toml for git repo https://github.com/laukevin/rust-raytrace written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/laukevin/rust-raytrace on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/laukevin/rust-raytrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939b9c830aa6dde820e34687a79d2c478ec6443825c637c3681fb093499774f8
[INFO] running `Command { std: "docker" "start" "-a" "939b9c830aa6dde820e34687a79d2c478ec6443825c637c3681fb093499774f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939b9c830aa6dde820e34687a79d2c478ec6443825c637c3681fb093499774f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939b9c830aa6dde820e34687a79d2c478ec6443825c637c3681fb093499774f8", kill_on_drop: false }`
[INFO] [stdout] 939b9c830aa6dde820e34687a79d2c478ec6443825c637c3681fb093499774f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5148977d753a771af936dd5ad2c58e5d3c09b2019a8c0378e2f24b9eca16eb3e
[INFO] running `Command { std: "docker" "start" "-a" "5148977d753a771af936dd5ad2c58e5d3c09b2019a8c0378e2f24b9eca16eb3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust-raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/camera.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 for sample in 0..self.samples_per_pixel {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/camera.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 for sample in 0..self.samples_per_pixel {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/material.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ray: &Ray,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/material.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ray: &Ray,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]    --> src/material.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut direction = Vec3::new();
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]    --> src/material.rs:148:29
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut direction = Vec3::new();
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPHERE_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SPHERE_SIZE: f64 = 0.5;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPHERE_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SPHERE_SIZE: f64 = 0.5;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPHERE_CENTER` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SPHERE_CENTER: Point3 = Point3::make_const(0.0, 0.0, -1.2);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPHERE_CENTER` is never used
[INFO] [stdout]   --> src/main.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SPHERE_CENTER: Point3 = Point3::make_const(0.0, 0.0, -1.2);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `clean` and `with_object` are never used
[INFO] [stdout]    --> src/hittable.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl HittableList {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn clean(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn with_object(object: Rc<dyn Hittable>) -> HittableList {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `clean` and `with_object` are never used
[INFO] [stdout]    --> src/hittable.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl HittableList {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn clean(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn with_object(object: Rc<dyn Hittable>) -> HittableList {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Interval {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Interval {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `EMPTY` and `UNIVERSE` are never used
[INFO] [stdout]   --> src/interval.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Interval {
[INFO] [stdout]    | ------------- associated constants in this implementation
[INFO] [stdout] 44 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `EMPTY` and `UNIVERSE` are never used
[INFO] [stdout]   --> src/interval.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Interval {
[INFO] [stdout]    | ------------- associated constants in this implementation
[INFO] [stdout] 44 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn random_on_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn random_on_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "5148977d753a771af936dd5ad2c58e5d3c09b2019a8c0378e2f24b9eca16eb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5148977d753a771af936dd5ad2c58e5d3c09b2019a8c0378e2f24b9eca16eb3e", kill_on_drop: false }`
[INFO] [stdout] 5148977d753a771af936dd5ad2c58e5d3c09b2019a8c0378e2f24b9eca16eb3e