[INFO] updating cached repository jmikkola/weekend_ray_tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmikkola/weekend_ray_tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmikkola/weekend_ray_tracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmikkola/weekend_ray_tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmikkola/weekend_ray_tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmikkola/weekend_ray_tracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bcaf892e22c4d25552b7f1fb8199785ff552d86
[INFO] sha for GitHub repo jmikkola/weekend_ray_tracer: 4bcaf892e22c4d25552b7f1fb8199785ff552d86
[INFO] validating manifest of jmikkola/weekend_ray_tracer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jmikkola/weekend_ray_tracer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jmikkola/weekend_ray_tracer
[INFO] finished frobbing jmikkola/weekend_ray_tracer
[INFO] frobbed toml for jmikkola/weekend_ray_tracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmikkola/weekend_ray_tracer/Cargo.toml
[INFO] started frobbing jmikkola/weekend_ray_tracer
[INFO] finished frobbing jmikkola/weekend_ray_tracer
[INFO] frobbed toml for jmikkola/weekend_ray_tracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer/Cargo.toml
[INFO] crate jmikkola/weekend_ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jmikkola/weekend_ray_tracer against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 643e093d40e632a02116b79de94bc18cfd68225fca84f387cc4c1de50bdf180d
[INFO] running `"docker" "start" "-a" "643e093d40e632a02116b79de94bc18cfd68225fca84f387cc4c1de50bdf180d"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling ray_tracer_weekend v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:240:23
[INFO] [stderr]     |
[INFO] [stderr] 240 |     hitables: Vec<Box<Hitable>>,
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:398:31
[INFO] [stderr]     |
[INFO] [stderr] 398 |     let mut hitables: Vec<Box<Hitable>> = vec![
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |     let n = 500;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:581:21
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let r = (PI/4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world1`
[INFO] [stderr]    --> src/main.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let world1 = HitableList{
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_world1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]    --> src/main.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 let mut outward_normal = Vec3::new_uniform(1.0);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ni_over_nt` is never read
[INFO] [stderr]    --> src/main.rs:301:25
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 let mut ni_over_nt = 0.0;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cosine` is never read
[INFO] [stderr]    --> src/main.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut cosine = 0.0;
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn add(self, val: f32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]    --> src/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     w: Vec3,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `"docker" "inspect" "643e093d40e632a02116b79de94bc18cfd68225fca84f387cc4c1de50bdf180d"`
[INFO] running `"docker" "rm" "-f" "643e093d40e632a02116b79de94bc18cfd68225fca84f387cc4c1de50bdf180d"`
[INFO] [stdout] 643e093d40e632a02116b79de94bc18cfd68225fca84f387cc4c1de50bdf180d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ddeb7cb1c3de6157582e363783365f6459fa5f298fdebe611395d9f4b693c3d
[INFO] running `"docker" "start" "-a" "2ddeb7cb1c3de6157582e363783365f6459fa5f298fdebe611395d9f4b693c3d"`
[INFO] [stderr]    Compiling ray_tracer_weekend v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:240:23
[INFO] [stderr]     |
[INFO] [stderr] 240 |     hitables: Vec<Box<Hitable>>,
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:398:31
[INFO] [stderr]     |
[INFO] [stderr] 398 |     let mut hitables: Vec<Box<Hitable>> = vec![
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |     let n = 500;
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/main.rs:581:21
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 let p = r.point_at_parameter(2.0);
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let r = (PI/4.0).cos();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world1`
[INFO] [stderr]    --> src/main.rs:495:9
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let world1 = HitableList{
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_world1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]    --> src/main.rs:300:25
[INFO] [stderr]     |
[INFO] [stderr] 300 |                 let mut outward_normal = Vec3::new_uniform(1.0);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ni_over_nt` is never read
[INFO] [stderr]    --> src/main.rs:301:25
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 let mut ni_over_nt = 0.0;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cosine` is never read
[INFO] [stderr]    --> src/main.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut cosine = 0.0;
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn add(self, val: f32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]    --> src/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     w: Vec3,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "2ddeb7cb1c3de6157582e363783365f6459fa5f298fdebe611395d9f4b693c3d"`
[INFO] running `"docker" "rm" "-f" "2ddeb7cb1c3de6157582e363783365f6459fa5f298fdebe611395d9f4b693c3d"`
[INFO] [stdout] 2ddeb7cb1c3de6157582e363783365f6459fa5f298fdebe611395d9f4b693c3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmikkola/weekend_ray_tracer:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fb98e419c366e63e6cc4761f9d8f594cdc7d7b2026a2e0fd291f9f9445299a3a
[INFO] running `"docker" "start" "-a" "fb98e419c366e63e6cc4761f9d8f594cdc7d7b2026a2e0fd291f9f9445299a3a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ray_tracer_weekend-c07875bd0054dd2b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fb98e419c366e63e6cc4761f9d8f594cdc7d7b2026a2e0fd291f9f9445299a3a"`
[INFO] running `"docker" "rm" "-f" "fb98e419c366e63e6cc4761f9d8f594cdc7d7b2026a2e0fd291f9f9445299a3a"`
[INFO] [stdout] fb98e419c366e63e6cc4761f9d8f594cdc7d7b2026a2e0fd291f9f9445299a3a