[INFO] updating cached repository robertmaloney/tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robertmaloney/tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robertmaloney/tracer" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/robertmaloney/tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/robertmaloney/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robertmaloney/tracer" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/robertmaloney/tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/robertmaloney/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2c9392803d8dfba624c5825db63527cd0653e35
[INFO] sha for GitHub repo robertmaloney/tracer: c2c9392803d8dfba624c5825db63527cd0653e35
[INFO] validating manifest of robertmaloney/tracer 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 robertmaloney/tracer 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 robertmaloney/tracer
[INFO] finished frobbing robertmaloney/tracer
[INFO] frobbed toml for robertmaloney/tracer written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/robertmaloney/tracer/Cargo.toml
[INFO] started frobbing robertmaloney/tracer
[INFO] finished frobbing robertmaloney/tracer
[INFO] frobbed toml for robertmaloney/tracer written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/robertmaloney/tracer/Cargo.toml
[INFO] crate robertmaloney/tracer 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] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/robertmaloney/tracer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 robertmaloney/tracer against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/robertmaloney/tracer:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8f62405b1267cda3d6f16a4cb9a02b77b5f6fa263347647f94595cacd7c9d5f2
[INFO] running `"docker" "start" "-a" "8f62405b1267cda3d6f16a4cb9a02b77b5f6fa263347647f94595cacd7c9d5f2"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking nalgebra v0.17.2
[INFO] [stderr]     Checking rustrace v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `primitives::Sphere`
[INFO] [stderr]  --> src/scene/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use primitives::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `primitives::Sphere`
[INFO] [stderr]  --> src/scene/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use primitives::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/scene/camera.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let left = self.position[0] - self.width;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]   --> src/scene/camera.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let right = self.position[0] + self.width;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `top`
[INFO] [stderr]   --> src/scene/camera.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let top = self.position[2] + self.height;
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_top`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bottom`
[INFO] [stderr]   --> src/scene/camera.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let bottom = self.position[2] - self.height;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_bottom`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `px_step`
[INFO] [stderr]   --> src/scene/camera.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let px_step = (2f64 * self.width) / (px as f64);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_px_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `py_step`
[INFO] [stderr]   --> src/scene/camera.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let py_step = (2f64 * self.height) / (py as f64);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_py_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scene`
[INFO] [stderr]   --> src/scene/camera.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn render(&self, scene: &Scene, px: i32, py: i32) -> Vec<u8> {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_scene`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OrthographicCamera`
[INFO] [stderr]   --> src/scene/camera.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct OrthographicCamera {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scene/camera.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn new(position: Point3<f64>, direction: Vector3<f64>, width: f64, height: f64) -> OrthographicCamera {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `render`
[INFO] [stderr]   --> src/scene/camera.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn render(&self, scene: &Scene, px: i32, py: i32) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/scene/camera.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let left = self.position[0] - self.width;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]   --> src/scene/camera.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let right = self.position[0] + self.width;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `top`
[INFO] [stderr]   --> src/scene/camera.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let top = self.position[2] + self.height;
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_top`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bottom`
[INFO] [stderr]   --> src/scene/camera.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let bottom = self.position[2] - self.height;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_bottom`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `px_step`
[INFO] [stderr]   --> src/scene/camera.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let px_step = (2f64 * self.width) / (px as f64);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_px_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `py_step`
[INFO] [stderr]   --> src/scene/camera.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let py_step = (2f64 * self.height) / (py as f64);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_py_step`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scene`
[INFO] [stderr]   --> src/scene/camera.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn render(&self, scene: &Scene, px: i32, py: i32) -> Vec<u8> {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_scene`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OrthographicCamera`
[INFO] [stderr]   --> src/scene/camera.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct OrthographicCamera {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scene/camera.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn new(position: Point3<f64>, direction: Vector3<f64>, width: f64, height: f64) -> OrthographicCamera {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `render`
[INFO] [stderr]   --> src/scene/camera.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn render(&self, scene: &Scene, px: i32, py: i32) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.44s
[INFO] running `"docker" "inspect" "8f62405b1267cda3d6f16a4cb9a02b77b5f6fa263347647f94595cacd7c9d5f2"`
[INFO] running `"docker" "rm" "-f" "8f62405b1267cda3d6f16a4cb9a02b77b5f6fa263347647f94595cacd7c9d5f2"`
[INFO] [stdout] 8f62405b1267cda3d6f16a4cb9a02b77b5f6fa263347647f94595cacd7c9d5f2