[INFO] cloning repository https://github.com/Robert-Cunningham/rust-raytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Robert-Cunningham/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Frust-raytracer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Frust-raytracer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5773caf6ade843e60bb9ca45c5adaf2892b7e44b
[INFO] checking Robert-Cunningham/rust-raytracer against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobert-Cunningham%2Frust-raytracer" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Robert-Cunningham/rust-raytracer on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Robert-Cunningham/rust-raytracer
[INFO] finished tweaking git repo https://github.com/Robert-Cunningham/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/Robert-Cunningham/rust-raytracer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Robert-Cunningham/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad8f83188e6c67dac637f624397f57258b09c6eda801ea2216f3c9c1e58c5cad
[INFO] running `"docker" "start" "-a" "ad8f83188e6c67dac637f624397f57258b09c6eda801ea2216f3c9c1e58c5cad"`
[INFO] [stderr]     Checking rust-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `vec3` should have an upper camel case name
[INFO] [stderr]  --> src/vec3.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct vec3 {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Vec3`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `ray` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ray {
[INFO] [stderr]   |        ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn length(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/vec3.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn dot(self, r: vec3) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ray`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ray {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parameterize`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn parameterize(self, t: f64) -> vec3::vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     save_image(200, 100);
[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] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `vec3` should have an upper camel case name
[INFO] [stderr]  --> src/vec3.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct vec3 {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Vec3`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `ray` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ray {
[INFO] [stderr]   |        ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn length(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/vec3.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn dot(self, r: vec3) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ray`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ray {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parameterize`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn parameterize(self, t: f64) -> vec3::vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     save_image(200, 100);
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "ad8f83188e6c67dac637f624397f57258b09c6eda801ea2216f3c9c1e58c5cad"`
[INFO] running `"docker" "rm" "-f" "ad8f83188e6c67dac637f624397f57258b09c6eda801ea2216f3c9c1e58c5cad"`
[INFO] [stdout] ad8f83188e6c67dac637f624397f57258b09c6eda801ea2216f3c9c1e58c5cad