[INFO] updating cached repository https://github.com/pfeff/raytrace
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9b7ce85a1f2ccc427181ec9cd020d83fa4fb8b6
[INFO] testing pfeff/raytrace against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfeff%2Fraytrace" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pfeff/raytrace on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pfeff/raytrace
[INFO] finished tweaking git repo https://github.com/pfeff/raytrace
[INFO] tweaked toml for git repo https://github.com/pfeff/raytrace written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pfeff/raytrace already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 6e4cbe84cf7550d659f54f4cc3c1246f11eea1d49c1c75099cffdb9259a51aef
[INFO] running `"docker" "start" "-a" "6e4cbe84cf7550d659f54f4cc3c1246f11eea1d49c1c75099cffdb9259a51aef"`
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `color`
[INFO] [stderr]  --> src/canvas.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use color::{color, white};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_point`
[INFO] [stderr]   --> src/tuple.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn is_point(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_vector`
[INFO] [stderr]   --> src/tuple.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn is_vector(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `point`
[INFO] [stderr]    --> src/tuple.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub fn point(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `color`
[INFO] [stderr]  --> src/color.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn color(r: f64, g: f64, b: f64) -> Tuple {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `white`
[INFO] [stderr]   --> src/color.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn white() -> Tuple {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Canvas`
[INFO] [stderr]  --> src/canvas.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Canvas {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pixel_at`
[INFO] [stderr]   --> src/canvas.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn pixel_at(&self, x: usize, y: usize) -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_pixel`
[INFO] [stderr]   --> src/canvas.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn write_pixel(&mut self, x: usize, y: usize, color: Tuple) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `canvas`
[INFO] [stderr]   --> src/canvas.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn canvas(width: usize, height: usize) -> Canvas {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "6e4cbe84cf7550d659f54f4cc3c1246f11eea1d49c1c75099cffdb9259a51aef"`
[INFO] running `"docker" "rm" "-f" "6e4cbe84cf7550d659f54f4cc3c1246f11eea1d49c1c75099cffdb9259a51aef"`
[INFO] [stdout] 6e4cbe84cf7550d659f54f4cc3c1246f11eea1d49c1c75099cffdb9259a51aef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 23b4405f63a0e8deb95ad6ef9840edc2403f32a275e75f99e0c96d17bc4f2271
[INFO] running `"docker" "start" "-a" "23b4405f63a0e8deb95ad6ef9840edc2403f32a275e75f99e0c96d17bc4f2271"`
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "23b4405f63a0e8deb95ad6ef9840edc2403f32a275e75f99e0c96d17bc4f2271"`
[INFO] running `"docker" "rm" "-f" "23b4405f63a0e8deb95ad6ef9840edc2403f32a275e75f99e0c96d17bc4f2271"`
[INFO] [stdout] 23b4405f63a0e8deb95ad6ef9840edc2403f32a275e75f99e0c96d17bc4f2271
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 77baf75ce6dfa2c7284ad3c9950680d75ce50631f5a0c96995ce0bf57d4bf893
[INFO] running `"docker" "start" "-a" "77baf75ce6dfa2c7284ad3c9950680d75ce50631f5a0c96995ce0bf57d4bf893"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raytrace-f86cbe4215de6e63
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test canvas::tests::create_canvas ... ok
[INFO] [stdout] test color::tests::add_colors ... ok
[INFO] [stdout] test canvas::tests::write_pixels ... ok
[INFO] [stdout] test color::tests::color_tuple ... ok
[INFO] [stdout] test color::tests::mulitply_colors ... ok
[INFO] [stdout] test color::tests::scalar_multiply ... ok
[INFO] [stdout] test tuple::tests::addition ... ok
[INFO] [stdout] test color::tests::subtract_colors ... ok
[INFO] [stdout] test tuple::tests::are_equal ... ok
[INFO] [stdout] test tuple::tests::are_not_equal ... ok
[INFO] [stdout] test tuple::tests::cross_product ... ok
[INFO] [stdout] test tuple::tests::divide_by_scalar ... ok
[INFO] [stdout] test tuple::tests::dot_product ... ok
[INFO] [stdout] test tuple::tests::is_point ... ok
[INFO] [stdout] test tuple::tests::is_vector ... ok
[INFO] [stdout] test tuple::tests::multiply_by_fraction ... ok
[INFO] [stdout] test tuple::tests::negate_tuple ... ok
[INFO] [stdout] test tuple::tests::new_vector ... ok
[INFO] [stdout] test tuple::tests::new_point ... ok
[INFO] [stdout] test tuple::tests::magnitude_of_vector ... ok
[INFO] [stdout] test tuple::tests::normalize_vector ... ok
[INFO] [stdout] test tuple::tests::scalar_multiply ... ok
[INFO] [stdout] test tuple::tests::subtract_from_zero ... ok
[INFO] [stdout] test tuple::tests::subtract_two_vectors ... ok
[INFO] [stdout] test tuple::tests::subtract_vector_from_point ... ok
[INFO] [stdout] test tuple::tests::subtraction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "77baf75ce6dfa2c7284ad3c9950680d75ce50631f5a0c96995ce0bf57d4bf893"`
[INFO] running `"docker" "rm" "-f" "77baf75ce6dfa2c7284ad3c9950680d75ce50631f5a0c96995ce0bf57d4bf893"`
[INFO] [stdout] 77baf75ce6dfa2c7284ad3c9950680d75ce50631f5a0c96995ce0bf57d4bf893