[INFO] updating cached repository rlupton20/yars-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rlupton20/yars-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rlupton20/yars-raytracer" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rlupton20/yars-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rlupton20/yars-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rlupton20/yars-raytracer" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rlupton20/yars-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rlupton20/yars-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88d606611dd91b24ffed565271196d0d48193d47
[INFO] sha for GitHub repo rlupton20/yars-raytracer: 88d606611dd91b24ffed565271196d0d48193d47
[INFO] validating manifest of rlupton20/yars-raytracer on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rlupton20/yars-raytracer on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rlupton20/yars-raytracer
[INFO] finished frobbing rlupton20/yars-raytracer
[INFO] frobbed toml for rlupton20/yars-raytracer written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rlupton20/yars-raytracer/Cargo.toml
[INFO] started frobbing rlupton20/yars-raytracer
[INFO] finished frobbing rlupton20/yars-raytracer
[INFO] frobbed toml for rlupton20/yars-raytracer written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rlupton20/yars-raytracer/Cargo.toml
[INFO] crate rlupton20/yars-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rlupton20/yars-raytracer against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rlupton20/yars-raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b16dbb53bc8819c027f47032940e8fdbee0b635b63c092515812a99e48be8fda
[INFO] running `"docker" "start" "-a" "b16dbb53bc8819c027f47032940e8fdbee0b635b63c092515812a99e48be8fda"`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking rustc-serialize v0.3.20
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking image v0.10.3
[INFO] [stderr]     Checking yars-raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/space_algebra/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InnerProductSpace`
[INFO] [stderr]  --> src/ray/mod.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use algebra::{InnerProductSpace, Real};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `algebra::InnerProductSpace`
[INFO] [stderr]  --> src/camera/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use algebra::InnerProductSpace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/camera/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Rgb`
[INFO] [stderr]  --> src/materials/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::Rgb;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Rgb`
[INFO] [stderr]  --> src/shapes/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::Rgb;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shapes::Sphere`
[INFO] [stderr]  --> src/shade/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use shapes::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ray`, `Shadable`
[INFO] [stderr]  --> src/shade/mod.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ray::{Ray, ShadeCell, Shadable};
[INFO] [stderr]   |           ^^^             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Mul`
[INFO] [stderr]  --> src/shade/mod.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ops::{Add, Mul};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/space_algebra/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InnerProductSpace`
[INFO] [stderr]  --> src/ray/mod.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use algebra::{InnerProductSpace, Real};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Rgb`
[INFO] [stderr]  --> src/materials/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::Rgb;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Rgb`
[INFO] [stderr]  --> src/shapes/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::Rgb;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Mul`
[INFO] [stderr]  --> src/shade/mod.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ops::{Add, Mul};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/shade/mod.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::Rgb`
[INFO] [stderr]    --> src/shade/mod.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     use image::Rgb;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector3d::Vec3`
[INFO] [stderr]    --> src/shade/mod.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     use vector3d::Vec3;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `algebra::Group`
[INFO] [stderr]  --> src/space_algebra/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use algebra::Group;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/raytrace/mod.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 .filter(|&(i,op_col)| op_col.is_some())
[INFO] [stderr]    |                            ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/camera/mod.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         assert!(x >= 0);
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/camera/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         assert!(y >= 0);
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `algebra::Group`
[INFO] [stderr]  --> src/space_algebra/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use algebra::Group;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/raytrace/mod.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 .filter(|&(i,op_col)| op_col.is_some())
[INFO] [stderr]    |                            ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_SO3_multiplication` should have a snake case name
[INFO] [stderr]   --> src/space_algebra/mod.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn test_SO3_multiplication() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_so3_multiplication`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_SO3_multiply_vector` should have a snake case name
[INFO] [stderr]    --> src/space_algebra/mod.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn test_SO3_multiply_vector() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_so3_multiply_vector`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/camera/mod.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         assert!(x >= 0);
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/camera/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         assert!(y >= 0);
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yars_raytracer::algebra::InnerProductSpace`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use yars_raytracer::algebra::InnerProductSpace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yars_raytracer::ray::Orientable`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use yars_raytracer::ray::Orientable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Shader`
[INFO] [stderr]   --> src/main.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 | use yars_raytracer::shade::{Shader, PhongShader};
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ray`, `ShadeCell`
[INFO] [stderr]   --> src/main.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | use yars_raytracer::ray::{Ray, Shadable, ShadeCell};
[INFO] [stderr]    |                           ^^^            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yars_raytracer::algebra::InnerProductSpace`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use yars_raytracer::algebra::InnerProductSpace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yars_raytracer::ray::Orientable`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use yars_raytracer::ray::Orientable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Shader`
[INFO] [stderr]   --> src/main.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 | use yars_raytracer::shade::{Shader, PhongShader};
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ray`, `ShadeCell`
[INFO] [stderr]   --> src/main.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | use yars_raytracer::ray::{Ray, Shadable, ShadeCell};
[INFO] [stderr]    |                           ^^^            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_colour`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let a_colour = Rgb([255 as u8; 3]);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_a_colour`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_colour`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let a_colour = Rgb([255 as u8; 3]);
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_a_colour`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WIDTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let WIDTH = 800;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HEIGHT` should have a snake case name
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let HEIGHT = 600;
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `OUTPUT` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let OUTPUT = "output.png";
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `output`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WIDTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let WIDTH = 800;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HEIGHT` should have a snake case name
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let HEIGHT = 600;
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `OUTPUT` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let OUTPUT = "output.png";
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `output`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `"docker" "inspect" "b16dbb53bc8819c027f47032940e8fdbee0b635b63c092515812a99e48be8fda"`
[INFO] running `"docker" "rm" "-f" "b16dbb53bc8819c027f47032940e8fdbee0b635b63c092515812a99e48be8fda"`
[INFO] [stdout] b16dbb53bc8819c027f47032940e8fdbee0b635b63c092515812a99e48be8fda