Oct 12 16:10:55.530 INFO checking omerbenamram/rs-toy-raytracer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:10:55.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 16:10:55.957 INFO blam! a76e8bd0c1d3dff94da20d31736c6488ab98117b669af4f06dd3aafbe0f3e3a0
Oct 12 16:10:55.959 INFO running `"docker" "start" "-a" "a76e8bd0c1d3dff94da20d31736c6488ab98117b669af4f06dd3aafbe0f3e3a0"`
Oct 12 16:10:58.172 INFO kablam! usermod: no changes
Oct 12 16:10:58.457 INFO kablam!     Checking png v0.12.0
Oct 12 16:10:59.717 INFO kablam!     Checking image v0.19.0
Oct 12 16:11:05.164 INFO kablam!     Checking rs-raytracer v0.1.0 (/source)
Oct 12 16:11:06.595 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 16:11:06.596 INFO kablam!  --> src/vec3.rs:4:5
Oct 12 16:11:06.597 INFO kablam!   |
Oct 12 16:11:06.597 INFO kablam! 4 | use std::collections::HashMap;
Oct 12 16:11:06.597 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:11:06.598 INFO kablam!   |
Oct 12 16:11:06.598 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:11:06.598 INFO kablam! 
Oct 12 16:11:06.875 INFO kablam! warning: unused variable: `r_in`
Oct 12 16:11:06.876 INFO kablam!   --> src/materials/lambertian.rs:19:23
Oct 12 16:11:06.876 INFO kablam!    |
Oct 12 16:11:06.876 INFO kablam! 19 |     fn scatter(&self, r_in: &Ray, hit_record: &HitRecord) -> Option<(Vec3, Ray)> {
Oct 12 16:11:06.881 INFO kablam!    |                       ^^^^ help: consider using `_r_in` instead
Oct 12 16:11:06.881 INFO kablam!    |
Oct 12 16:11:06.881 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 16:11:06.881 INFO kablam! 
Oct 12 16:11:07.097 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 16:11:07.098 INFO kablam!  --> src/vec3.rs:4:5
Oct 12 16:11:07.098 INFO kablam!   |
Oct 12 16:11:07.099 INFO kablam! 4 | use std::collections::HashMap;
Oct 12 16:11:07.100 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:11:07.101 INFO kablam!   |
Oct 12 16:11:07.101 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:11:07.101 INFO kablam! 
Oct 12 16:11:07.102 INFO kablam! warning: unused import: `super::Vec3`
Oct 12 16:11:07.102 INFO kablam!    --> src/vec3.rs:266:9
Oct 12 16:11:07.102 INFO kablam!     |
Oct 12 16:11:07.102 INFO kablam! 266 |     use super::Vec3;
Oct 12 16:11:07.103 INFO kablam!     |         ^^^^^^^^^^^
Oct 12 16:11:07.103 INFO kablam! 
Oct 12 16:11:07.261 INFO kablam! warning: unused variable: `r_in`
Oct 12 16:11:07.261 INFO kablam!   --> src/materials/lambertian.rs:19:23
Oct 12 16:11:07.262 INFO kablam!    |
Oct 12 16:11:07.262 INFO kablam! 19 |     fn scatter(&self, r_in: &Ray, hit_record: &HitRecord) -> Option<(Vec3, Ray)> {
Oct 12 16:11:07.262 INFO kablam!    |                       ^^^^ help: consider using `_r_in` instead
Oct 12 16:11:07.262 INFO kablam!    |
Oct 12 16:11:07.263 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 16:11:07.263 INFO kablam! 
Oct 12 16:11:09.921 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.71s
Oct 12 16:11:09.937 INFO kablam! su: No module specific data is present
Oct 12 16:11:11.111 INFO running `"docker" "rm" "-f" "a76e8bd0c1d3dff94da20d31736c6488ab98117b669af4f06dd3aafbe0f3e3a0"`
Oct 12 16:11:11.436 INFO blam! a76e8bd0c1d3dff94da20d31736c6488ab98117b669af4f06dd3aafbe0f3e3a0