[INFO] updating cached repository pearisgreen/ray_marcher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pearisgreen/ray_marcher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pearisgreen/ray_marcher" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pearisgreen/ray_marcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pearisgreen/ray_marcher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pearisgreen/ray_marcher" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pearisgreen/ray_marcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pearisgreen/ray_marcher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95894b9a4b57e34f8ca7070a125e3de1172a7695
[INFO] sha for GitHub repo pearisgreen/ray_marcher: 95894b9a4b57e34f8ca7070a125e3de1172a7695
[INFO] validating manifest of pearisgreen/ray_marcher 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 pearisgreen/ray_marcher 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 pearisgreen/ray_marcher
[INFO] finished frobbing pearisgreen/ray_marcher
[INFO] frobbed toml for pearisgreen/ray_marcher written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pearisgreen/ray_marcher/Cargo.toml
[INFO] started frobbing pearisgreen/ray_marcher
[INFO] finished frobbing pearisgreen/ray_marcher
[INFO] frobbed toml for pearisgreen/ray_marcher written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pearisgreen/ray_marcher/Cargo.toml
[INFO] crate pearisgreen/ray_marcher 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 pearisgreen/ray_marcher against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pearisgreen/ray_marcher:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7eb4f6384b860da675872c60842da798d43579b22c81f94985b637795000196
[INFO] running `"docker" "start" "-a" "e7eb4f6384b860da675872c60842da798d43579b22c81f94985b637795000196"`
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking piston-ai_behavior v0.27.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking piston2d-sprite v0.50.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.56.0
[INFO] [stderr]     Checking piston_window v0.89.0
[INFO] [stderr]     Checking ray_marcher v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/scene.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut temp: f64 = 0.0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut c = im::ImageBuffer::new(CANVAS_WIDTH, CANVAS_HEIGHT);
[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: method is never used: `point`
[INFO] [stderr]   --> src/geometry.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn point(&self) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `norm_square`
[INFO] [stderr]   --> src/geometry.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn norm_square(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/geometry.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn dot(v1: Vector, v2: Vector) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec`
[INFO] [stderr]   --> src/geometry.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn vec(&self) -> Vector {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/geometry.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn distance(p1: &Point, p2: &Point) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance_square`
[INFO] [stderr]   --> src/geometry.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn distance_square(p1: &Point, p2: &Point) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_DIST`
[INFO] [stderr]  --> src/scene.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const BLACK_DIST: f64 = 100.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/scene.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut temp: f64 = 0.0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut c = im::ImageBuffer::new(CANVAS_WIDTH, CANVAS_HEIGHT);
[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: method is never used: `point`
[INFO] [stderr]   --> src/geometry.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn point(&self) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `norm_square`
[INFO] [stderr]   --> src/geometry.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn norm_square(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/geometry.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn dot(v1: Vector, v2: Vector) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec`
[INFO] [stderr]   --> src/geometry.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn vec(&self) -> Vector {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/geometry.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn distance(p1: &Point, p2: &Point) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance_square`
[INFO] [stderr]   --> src/geometry.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn distance_square(p1: &Point, p2: &Point) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_DIST`
[INFO] [stderr]  --> src/scene.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const BLACK_DIST: f64 = 100.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "e7eb4f6384b860da675872c60842da798d43579b22c81f94985b637795000196"`
[INFO] running `"docker" "rm" "-f" "e7eb4f6384b860da675872c60842da798d43579b22c81f94985b637795000196"`
[INFO] [stdout] e7eb4f6384b860da675872c60842da798d43579b22c81f94985b637795000196