[INFO] updating cached repository pfeff/raytrace
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pfeff/raytrace
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pfeff/raytrace" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pfeff/raytrace"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pfeff/raytrace'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pfeff/raytrace" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pfeff/raytrace"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pfeff/raytrace'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9b7ce85a1f2ccc427181ec9cd020d83fa4fb8b6
[INFO] sha for GitHub repo pfeff/raytrace: e9b7ce85a1f2ccc427181ec9cd020d83fa4fb8b6
[INFO] validating manifest of pfeff/raytrace 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 pfeff/raytrace 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 pfeff/raytrace
[INFO] finished frobbing pfeff/raytrace
[INFO] frobbed toml for pfeff/raytrace written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pfeff/raytrace/Cargo.toml
[INFO] started frobbing pfeff/raytrace
[INFO] finished frobbing pfeff/raytrace
[INFO] frobbed toml for pfeff/raytrace written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pfeff/raytrace/Cargo.toml
[INFO] crate pfeff/raytrace 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 pfeff/raytrace 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/pfeff/raytrace:/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] 49a6ab04c88df54f1f2cb80748cc4f64185f0795dec6c5b7e27b96e09b502ad8
[INFO] running `"docker" "start" "-a" "49a6ab04c88df54f1f2cb80748cc4f64185f0795dec6c5b7e27b96e09b502ad8"`
[INFO] [stderr]     Checking assert_approx_eq v1.0.0
[INFO] [stderr]     Checking raytrace v0.1.0 (/opt/crater/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 0.63s
[INFO] running `"docker" "inspect" "49a6ab04c88df54f1f2cb80748cc4f64185f0795dec6c5b7e27b96e09b502ad8"`
[INFO] running `"docker" "rm" "-f" "49a6ab04c88df54f1f2cb80748cc4f64185f0795dec6c5b7e27b96e09b502ad8"`
[INFO] [stdout] 49a6ab04c88df54f1f2cb80748cc4f64185f0795dec6c5b7e27b96e09b502ad8