[INFO] updating cached repository jmikkola/weekend_ray_tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmikkola/weekend_ray_tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmikkola/weekend_ray_tracer" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jmikkola/weekend_ray_tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jmikkola/weekend_ray_tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmikkola/weekend_ray_tracer" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jmikkola/weekend_ray_tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jmikkola/weekend_ray_tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bcaf892e22c4d25552b7f1fb8199785ff552d86
[INFO] sha for GitHub repo jmikkola/weekend_ray_tracer: 4bcaf892e22c4d25552b7f1fb8199785ff552d86
[INFO] validating manifest of jmikkola/weekend_ray_tracer on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jmikkola/weekend_ray_tracer on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jmikkola/weekend_ray_tracer
[INFO] finished frobbing jmikkola/weekend_ray_tracer
[INFO] frobbed toml for jmikkola/weekend_ray_tracer written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jmikkola/weekend_ray_tracer/Cargo.toml
[INFO] started frobbing jmikkola/weekend_ray_tracer
[INFO] finished frobbing jmikkola/weekend_ray_tracer
[INFO] frobbed toml for jmikkola/weekend_ray_tracer written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jmikkola/weekend_ray_tracer/Cargo.toml
[INFO] crate jmikkola/weekend_ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jmikkola/weekend_ray_tracer against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jmikkola/weekend_ray_tracer:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dc7e8ed667a7756e7d14fe75e2c805d114186820193886ccf84e077d17c92dbc
[INFO] running `"docker" "start" "-a" "dc7e8ed667a7756e7d14fe75e2c805d114186820193886ccf84e077d17c92dbc"`
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking ray_tracer_weekend v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |     let n = 500;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:581:21
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let r = (PI/4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world1`
[INFO] [stderr]    --> src/main.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let world1 = HitableList{
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_world1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]    --> src/main.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 let mut outward_normal = Vec3::new_uniform(1.0);
[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/main.rs:301:25
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 let mut ni_over_nt = 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/main.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut cosine = 0.0;
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |     let n = 500;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:581:21
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let r = (PI/4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world1`
[INFO] [stderr]    --> src/main.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let world1 = HitableList{
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_world1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]    --> src/main.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 let mut outward_normal = Vec3::new_uniform(1.0);
[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/main.rs:301:25
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 let mut ni_over_nt = 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/main.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut cosine = 0.0;
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn add(self, val: f32) -> Self {
[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/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     w: Vec3,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn add(self, val: f32) -> Self {
[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/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     w: Vec3,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "dc7e8ed667a7756e7d14fe75e2c805d114186820193886ccf84e077d17c92dbc"`
[INFO] running `"docker" "rm" "-f" "dc7e8ed667a7756e7d14fe75e2c805d114186820193886ccf84e077d17c92dbc"`
[INFO] [stdout] dc7e8ed667a7756e7d14fe75e2c805d114186820193886ccf84e077d17c92dbc