[INFO] updating cached repository kilork/abctracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kilork/abctracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kilork/abctracer" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kilork/abctracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kilork/abctracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kilork/abctracer" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kilork/abctracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kilork/abctracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96f8d00996bbd6e5d056b13a1c2753114e70bc77
[INFO] sha for GitHub repo kilork/abctracer: 96f8d00996bbd6e5d056b13a1c2753114e70bc77
[INFO] validating manifest of kilork/abctracer 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 kilork/abctracer 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 kilork/abctracer
[INFO] finished frobbing kilork/abctracer
[INFO] frobbed toml for kilork/abctracer written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kilork/abctracer/Cargo.toml
[INFO] started frobbing kilork/abctracer
[INFO] finished frobbing kilork/abctracer
[INFO] frobbed toml for kilork/abctracer written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/kilork/abctracer/Cargo.toml
[INFO] crate kilork/abctracer 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 kilork/abctracer against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/kilork/abctracer:/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] c5c46a8a3522ecf3597fc4830e2430e5ebae6d3544d4e6563f0ec2d71fb241b6
[INFO] running `"docker" "start" "-a" "c5c46a8a3522ecf3597fc4830e2430e5ebae6d3544d4e6563f0ec2d71fb241b6"`
[INFO] [stderr]     Checking abctracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/geometry/plane.rs:55:27
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stderr]    |                           ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/geometry/rect.rs:67:27
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stderr]    |                           ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/environment.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shade_background(&self, ray: &Ray) -> Color {
[INFO] [stderr]    |                                ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buffer`
[INFO] [stderr]  --> src/render/backend/dummy.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     buffer: [u8; DEFAULT_BUFFER_SIZE],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `side_a`
[INFO] [stderr]  --> src/geometry/rect.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     side_a: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `side_b`
[INFO] [stderr]  --> src/geometry/rect.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     side_b: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `loc`
[INFO] [stderr]  --> src/geometry/_box.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     loc: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e1`
[INFO] [stderr]   --> src/geometry/_box.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     e1: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e2`
[INFO] [stderr]   --> src/geometry/_box.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     e2: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e3`
[INFO] [stderr]   --> src/geometry/_box.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     e3: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radius`
[INFO] [stderr]   --> src/geometry/cylinder.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     radius: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/geometry/plane.rs:55:27
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stderr]    |                           ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/geometry/rect.rs:67:27
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_normal(&self, p: &Vector) -> Vector {
[INFO] [stderr]    |                           ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/environment.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shade_background(&self, ray: &Ray) -> Color {
[INFO] [stderr]    |                                ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vector.rs:584:13
[INFO] [stderr]     |
[INFO] [stderr] 584 |         let mut v = Vector {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buffer`
[INFO] [stderr]  --> src/render/backend/dummy.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     buffer: [u8; DEFAULT_BUFFER_SIZE],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `side_a`
[INFO] [stderr]  --> src/geometry/rect.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     side_a: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `side_b`
[INFO] [stderr]  --> src/geometry/rect.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     side_b: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `loc`
[INFO] [stderr]  --> src/geometry/_box.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     loc: Vector,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e1`
[INFO] [stderr]   --> src/geometry/_box.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     e1: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e2`
[INFO] [stderr]   --> src/geometry/_box.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     e2: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `e3`
[INFO] [stderr]   --> src/geometry/_box.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     e3: Vector,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radius`
[INFO] [stderr]   --> src/geometry/cylinder.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     radius: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]   --> benches/render.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use test::Bencher;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/render.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             render_scene(&environment, 1.0, 1.0, 100, 100, &mut backend);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "c5c46a8a3522ecf3597fc4830e2430e5ebae6d3544d4e6563f0ec2d71fb241b6"`
[INFO] running `"docker" "rm" "-f" "c5c46a8a3522ecf3597fc4830e2430e5ebae6d3544d4e6563f0ec2d71fb241b6"`
[INFO] [stdout] c5c46a8a3522ecf3597fc4830e2430e5ebae6d3544d4e6563f0ec2d71fb241b6