[INFO] updating cached repository brsnb/ray_trace
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brsnb/ray_trace
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brsnb/ray_trace" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/brsnb/ray_trace"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/brsnb/ray_trace'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brsnb/ray_trace" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/brsnb/ray_trace"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/brsnb/ray_trace'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 092ad07cd86ff75a47d1a15278a1de609903da78
[INFO] sha for GitHub repo brsnb/ray_trace: 092ad07cd86ff75a47d1a15278a1de609903da78
[INFO] validating manifest of brsnb/ray_trace 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 brsnb/ray_trace 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 brsnb/ray_trace
[INFO] finished frobbing brsnb/ray_trace
[INFO] frobbed toml for brsnb/ray_trace written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/brsnb/ray_trace/Cargo.toml
[INFO] started frobbing brsnb/ray_trace
[INFO] finished frobbing brsnb/ray_trace
[INFO] frobbed toml for brsnb/ray_trace written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/brsnb/ray_trace/Cargo.toml
[INFO] crate brsnb/ray_trace 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] checking brsnb/ray_trace against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/brsnb/ray_trace:/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] f87e82f2e77e7d98ed7c3b42981786232c4ee71b4040204c2319c4271c68501c
[INFO] running `"docker" "start" "-a" "f87e82f2e77e7d98ed7c3b42981786232c4ee71b4040204c2319c4271c68501c"`
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking ray_trace v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ray_in`
[INFO] [stderr]   --> src/material.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         ray_in: &Ray,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_ray_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]   --> src/material.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut outward_normal = Vec3f::new_unit_vec3f();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ni_over_nt` is never read
[INFO] [stderr]   --> src/material.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut ni_over_nt: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cosine` is never read
[INFO] [stderr]   --> src/material.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut cosine: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reflect_prob` is never read
[INFO] [stderr]   --> src/material.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut reflect_prob: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray_in`
[INFO] [stderr]   --> src/material.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         ray_in: &Ray,
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_ray_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]   --> src/material.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut outward_normal = Vec3f::new_unit_vec3f();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ni_over_nt` is never read
[INFO] [stderr]   --> src/material.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut ni_over_nt: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cosine` is never read
[INFO] [stderr]   --> src/material.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut cosine: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reflect_prob` is never read
[INFO] [stderr]   --> src/material.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut reflect_prob: f64 = 0.0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     w: Vec3f,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     w: Vec3f,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `"docker" "inspect" "f87e82f2e77e7d98ed7c3b42981786232c4ee71b4040204c2319c4271c68501c"`
[INFO] running `"docker" "rm" "-f" "f87e82f2e77e7d98ed7c3b42981786232c4ee71b4040204c2319c4271c68501c"`
[INFO] [stdout] f87e82f2e77e7d98ed7c3b42981786232c4ee71b4040204c2319c4271c68501c