[INFO] updating cached repository jay-tyler/rust_toy_raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jay-tyler/rust_toy_raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jay-tyler/rust_toy_raytracer" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jay-tyler/rust_toy_raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jay-tyler/rust_toy_raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jay-tyler/rust_toy_raytracer" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jay-tyler/rust_toy_raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jay-tyler/rust_toy_raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d513f7aa2732c3248e89421b72675fe95ec76cb
[INFO] sha for GitHub repo jay-tyler/rust_toy_raytracer: 0d513f7aa2732c3248e89421b72675fe95ec76cb
[INFO] validating manifest of jay-tyler/rust_toy_raytracer on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jay-tyler/rust_toy_raytracer on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jay-tyler/rust_toy_raytracer
[INFO] finished frobbing jay-tyler/rust_toy_raytracer
[INFO] frobbed toml for jay-tyler/rust_toy_raytracer written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jay-tyler/rust_toy_raytracer/Cargo.toml
[INFO] started frobbing jay-tyler/rust_toy_raytracer
[INFO] finished frobbing jay-tyler/rust_toy_raytracer
[INFO] frobbed toml for jay-tyler/rust_toy_raytracer written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jay-tyler/rust_toy_raytracer/Cargo.toml
[INFO] crate jay-tyler/rust_toy_raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jay-tyler/rust_toy_raytracer against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jay-tyler/rust_toy_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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63f650e4acf3581aa40fb350bb8782963e09436914c698b167f0f93ae697ba0f
[INFO] running `"docker" "start" "-a" "63f650e4acf3581aa40fb350bb8782963e09436914c698b167f0f93ae697ba0f"`
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ray_tracer::rays::Ray`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ray_tracer::rays::Ray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray_tracer::rays::Ray`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ray_tracer::rays::Ray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lower_left_corner`
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let lower_left_corner = ray_tracer::vectors::ThreeVector(-2.,-1., -1.);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_lower_left_corner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horizontal`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let horizontal = ray_tracer::vectors::ThreeVector(4., 0., 0.);
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_horizontal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vertical`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let vertical = ray_tracer::vectors::ThreeVector(0.,2., 0.);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_vertical`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let origin = ray_tracer::vectors::ThreeVector(0.,0.,0.);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/main.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     let p = r.point_at_parameter(2.0);
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lower_left_corner`
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let lower_left_corner = ray_tracer::vectors::ThreeVector(-2.,-1., -1.);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_lower_left_corner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horizontal`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let horizontal = ray_tracer::vectors::ThreeVector(4., 0., 0.);
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_horizontal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vertical`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let vertical = ray_tracer::vectors::ThreeVector(0.,2., 0.);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_vertical`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let origin = ray_tracer::vectors::ThreeVector(0.,0.,0.);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/main.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     let p = r.point_at_parameter(2.0);
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "63f650e4acf3581aa40fb350bb8782963e09436914c698b167f0f93ae697ba0f"`
[INFO] running `"docker" "rm" "-f" "63f650e4acf3581aa40fb350bb8782963e09436914c698b167f0f93ae697ba0f"`
[INFO] [stdout] 63f650e4acf3581aa40fb350bb8782963e09436914c698b167f0f93ae697ba0f