[INFO] updating cached repository siddharm/rust-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/siddharm/rust-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/siddharm/rust-raytracer" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/siddharm/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/siddharm/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/siddharm/rust-raytracer" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/siddharm/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/siddharm/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13f5a33a6349168021a5c93eed040ec176e92177
[INFO] sha for GitHub repo siddharm/rust-raytracer: 13f5a33a6349168021a5c93eed040ec176e92177
[INFO] validating manifest of siddharm/rust-raytracer 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 siddharm/rust-raytracer 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 siddharm/rust-raytracer
[INFO] finished frobbing siddharm/rust-raytracer
[INFO] frobbed toml for siddharm/rust-raytracer written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/siddharm/rust-raytracer/Cargo.toml
[INFO] started frobbing siddharm/rust-raytracer
[INFO] finished frobbing siddharm/rust-raytracer
[INFO] frobbed toml for siddharm/rust-raytracer written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/siddharm/rust-raytracer/Cargo.toml
[INFO] crate siddharm/rust-raytracer 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 siddharm/rust-raytracer against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/siddharm/rust-raytracer:/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] 08adc22bebd9ccc57936dbcd463b8da249f438cf19576ebeafbc5dc04f5b3a87
[INFO] running `"docker" "start" "-a" "08adc22bebd9ccc57936dbcd463b8da249f438cf19576ebeafbc5dc04f5b3a87"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::rays::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::rays::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rays::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::rays::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/shapes.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Some(a) => 0.0
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit_pt`
[INFO] [stderr]    --> src/shapes.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn surface_normal(&self, hit_pt: &Vector3<f64>) -> Vector3<f64> {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_hit_pt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/shapes.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |             Some(a) => 0.0
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/shapes.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Some(a) => 0.0
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit_pt`
[INFO] [stderr]    --> src/shapes.rs:117:30
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn surface_normal(&self, hit_pt: &Vector3<f64>) -> Vector3<f64> {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_hit_pt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/shapes.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |             Some(a) => 0.0
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.98s
[INFO] running `"docker" "inspect" "08adc22bebd9ccc57936dbcd463b8da249f438cf19576ebeafbc5dc04f5b3a87"`
[INFO] running `"docker" "rm" "-f" "08adc22bebd9ccc57936dbcd463b8da249f438cf19576ebeafbc5dc04f5b3a87"`
[INFO] [stdout] 08adc22bebd9ccc57936dbcd463b8da249f438cf19576ebeafbc5dc04f5b3a87