[INFO] updating cached repository riginding/RustRayTracerChallenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/riginding/RustRayTracerChallenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/riginding/RustRayTracerChallenge" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/riginding/RustRayTracerChallenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/riginding/RustRayTracerChallenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/riginding/RustRayTracerChallenge" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/riginding/RustRayTracerChallenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/riginding/RustRayTracerChallenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc657ad7143e1c93a5c9bfd0439d62c7ef58f8ca
[INFO] sha for GitHub repo riginding/RustRayTracerChallenge: bc657ad7143e1c93a5c9bfd0439d62c7ef58f8ca
[INFO] validating manifest of riginding/RustRayTracerChallenge on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riginding/RustRayTracerChallenge on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing riginding/RustRayTracerChallenge
[INFO] finished frobbing riginding/RustRayTracerChallenge
[INFO] frobbed toml for riginding/RustRayTracerChallenge written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/riginding/RustRayTracerChallenge/Cargo.toml
[INFO] started frobbing riginding/RustRayTracerChallenge
[INFO] finished frobbing riginding/RustRayTracerChallenge
[INFO] frobbed toml for riginding/RustRayTracerChallenge written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/riginding/RustRayTracerChallenge/Cargo.toml
[INFO] crate riginding/RustRayTracerChallenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking riginding/RustRayTracerChallenge against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/riginding/RustRayTracerChallenge:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 268dd3d672731b7fee839d11852d1eeeb9baa2ca0d418b58d91b9f56b5a63aa4
[INFO] running `"docker" "start" "-a" "268dd3d672731b7fee839d11852d1eeeb9baa2ca0d418b58d91b9f56b5a63aa4"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking RustRayTracerChallenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Point`
[INFO] [stderr]  --> src/primitives.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Point = nalgebra::Point3<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector`
[INFO] [stderr]  --> src/primitives.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Vector = nalgebra::Vector3<f32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `point`
[INFO] [stderr]  --> src/primitives.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn point(a: f32,b:f32,c:f32) -> Point {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector`
[INFO] [stderr]   --> src/primitives.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn vector(a: f32,b:f32,c:f32) -> Vector {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `magnitude`
[INFO] [stderr]   --> src/primitives.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn magnitude(vec: Vector) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustRayTracerChallenge` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_ray_tracer_challenge`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustRayTracerChallenge` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_ray_tracer_challenge`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.89s
[INFO] running `"docker" "inspect" "268dd3d672731b7fee839d11852d1eeeb9baa2ca0d418b58d91b9f56b5a63aa4"`
[INFO] running `"docker" "rm" "-f" "268dd3d672731b7fee839d11852d1eeeb9baa2ca0d418b58d91b9f56b5a63aa4"`
[INFO] [stdout] 268dd3d672731b7fee839d11852d1eeeb9baa2ca0d418b58d91b9f56b5a63aa4