[INFO] cloning repository https://github.com/hellblade/ray_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hellblade/ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellblade%2Fray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellblade%2Fray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b23e92848f066d61decbc543d8e514677512cf1d
[INFO] testing hellblade/ray_tracer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellblade%2Fray_tracer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hellblade/ray_tracer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hellblade/ray_tracer
[INFO] finished tweaking git repo https://github.com/hellblade/ray_tracer
[INFO] tweaked toml for git repo https://github.com/hellblade/ray_tracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hellblade/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4f1c174354a55fd919eb600d8cb318364fa02e4366f89e60ef9cbb15ca02967
[INFO] running `Command { std: "docker" "start" "-a" "b4f1c174354a55fd919eb600d8cb318364fa02e4366f89e60ef9cbb15ca02967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4f1c174354a55fd919eb600d8cb318364fa02e4366f89e60ef9cbb15ca02967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f1c174354a55fd919eb600d8cb318364fa02e4366f89e60ef9cbb15ca02967", kill_on_drop: false }`
[INFO] [stdout] b4f1c174354a55fd919eb600d8cb318364fa02e4366f89e60ef9cbb15ca02967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4836e3688d349da5bd8ee77984ac00171c1dac1d18b5992a25053544f47354
[INFO] running `Command { std: "docker" "start" "-a" "7d4836e3688d349da5bd8ee77984ac00171c1dac1d18b5992a25053544f47354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `math::sphere::float_cmp::ApproxEqUlps`
[INFO] [stdout]  --> src/math/sphere.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use math::sphere::float_cmp::ApproxEqUlps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::float_cmp::ApproxEqUlps`
[INFO] [stdout]  --> src/math/vector.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::float_cmp::ApproxEqUlps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref FOV_FACTOR: f32 = { 1_f32 / (FOV / 2_f32).tan() };
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalise`
[INFO] [stdout]    --> src/math/vector.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn normalise(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]    --> src/math/vector.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn zero() -> Vector3 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_x`
[INFO] [stdout]    --> src/math/vector.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn unit_x() -> Vector3 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_y`
[INFO] [stdout]    --> src/math/vector.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn unit_y() -> Vector3 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_z`
[INFO] [stdout]    --> src/math/vector.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn unit_z() -> Vector3 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "7d4836e3688d349da5bd8ee77984ac00171c1dac1d18b5992a25053544f47354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4836e3688d349da5bd8ee77984ac00171c1dac1d18b5992a25053544f47354", kill_on_drop: false }`
[INFO] [stdout] 7d4836e3688d349da5bd8ee77984ac00171c1dac1d18b5992a25053544f47354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fbbd70689e8d0ba40c0850d4c362827a9b90ec1960c6988f994a0afafc9d0d6
[INFO] running `Command { std: "docker" "start" "-a" "9fbbd70689e8d0ba40c0850d4c362827a9b90ec1960c6988f994a0afafc9d0d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `math::sphere::float_cmp::ApproxEqUlps`
[INFO] [stdout]  --> src/math/sphere.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use math::sphere::float_cmp::ApproxEqUlps;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref FOV_FACTOR: f32 = { 1_f32 / (FOV / 2_f32).tan() };
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]    --> src/math/vector.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn zero() -> Vector3 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_y`
[INFO] [stdout]    --> src/math/vector.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn unit_y() -> Vector3 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_z`
[INFO] [stdout]    --> src/math/vector.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn unit_z() -> Vector3 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "9fbbd70689e8d0ba40c0850d4c362827a9b90ec1960c6988f994a0afafc9d0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbbd70689e8d0ba40c0850d4c362827a9b90ec1960c6988f994a0afafc9d0d6", kill_on_drop: false }`
[INFO] [stdout] 9fbbd70689e8d0ba40c0850d4c362827a9b90ec1960c6988f994a0afafc9d0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8033e3f6d55d803c3ea54ae4edf3c846f30397b945edbce98ec2ff93a569f367
[INFO] running `Command { std: "docker" "start" "-a" "8033e3f6d55d803c3ea54ae4edf3c846f30397b945edbce98ec2ff93a569f367", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `math::sphere::float_cmp::ApproxEqUlps`
[INFO] [stderr]  --> src/math/sphere.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use math::sphere::float_cmp::ApproxEqUlps;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |     static ref FOV_FACTOR: f32 = { 1_f32 / (FOV / 2_f32).tan() };
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `zero`
[INFO] [stderr]    --> src/math/vector.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn zero() -> Vector3 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unit_y`
[INFO] [stderr]    --> src/math/vector.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn unit_y() -> Vector3 {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unit_z`
[INFO] [stderr]    --> src/math/vector.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn unit_z() -> Vector3 {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_tracer` (bin "ray_tracer" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracer-6edacd9f92ada983)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test math::matrix::tests::matrix3_identity_mulitplication ... ok
[INFO] [stdout] test math::matrix::tests::matrix3_scaler_mulitplication ... ok
[INFO] [stdout] test math::matrix::tests::matrix3_scale_mulitplication ... ok
[INFO] [stdout] test math::matrix::tests::matrix3_vector3_identity_multiplication ... ok
[INFO] [stdout] test math::vector::tests::vector3_dot_matches_length ... ok
[INFO] [stdout] test math::vector::tests::vector3_length ... ok
[INFO] [stdout] test math::vector::tests::vector3_normalise ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8033e3f6d55d803c3ea54ae4edf3c846f30397b945edbce98ec2ff93a569f367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8033e3f6d55d803c3ea54ae4edf3c846f30397b945edbce98ec2ff93a569f367", kill_on_drop: false }`
[INFO] [stdout] 8033e3f6d55d803c3ea54ae4edf3c846f30397b945edbce98ec2ff93a569f367