[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/beta-1.37-6/sources/1.36.0/gh/robertmaloney/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/robertmaloney/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robertmaloney/tracer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/robertmaloney/tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robertmaloney/tracer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/robertmaloney/tracer/Cargo.toml
[INFO] crate robertmaloney/tracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing robertmaloney/tracer against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/robertmaloney/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8531cdffcda166e7c2e001daa87f0e4ee6c9775a585d9c229d930c1978ca810c
[INFO] running `"docker" "start" "-a" "8531cdffcda166e7c2e001daa87f0e4ee6c9775a585d9c229d930c1978ca810c"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling 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 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 50.71s
[INFO] running `"docker" "inspect" "8531cdffcda166e7c2e001daa87f0e4ee6c9775a585d9c229d930c1978ca810c"`
[INFO] running `"docker" "rm" "-f" "8531cdffcda166e7c2e001daa87f0e4ee6c9775a585d9c229d930c1978ca810c"`
[INFO] [stdout] 8531cdffcda166e7c2e001daa87f0e4ee6c9775a585d9c229d930c1978ca810c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/robertmaloney/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 384bfc712b6d126a3caad2fc0afc42de345f2df153dcfcd534e3f86de42c3853
[INFO] running `"docker" "start" "-a" "384bfc712b6d126a3caad2fc0afc42de345f2df153dcfcd534e3f86de42c3853"`
[INFO] [stderr]    Compiling 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 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 1.61s
[INFO] running `"docker" "inspect" "384bfc712b6d126a3caad2fc0afc42de345f2df153dcfcd534e3f86de42c3853"`
[INFO] running `"docker" "rm" "-f" "384bfc712b6d126a3caad2fc0afc42de345f2df153dcfcd534e3f86de42c3853"`
[INFO] [stdout] 384bfc712b6d126a3caad2fc0afc42de345f2df153dcfcd534e3f86de42c3853
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/robertmaloney/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 373418ccc1a5438e36d2106e6aa53466eb6f2a09baf36eacda61bf281cd81df9
[INFO] running `"docker" "start" "-a" "373418ccc1a5438e36d2106e6aa53466eb6f2a09baf36eacda61bf281cd81df9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustrace-ea0ca9ab6d739f85
[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" "373418ccc1a5438e36d2106e6aa53466eb6f2a09baf36eacda61bf281cd81df9"`
[INFO] running `"docker" "rm" "-f" "373418ccc1a5438e36d2106e6aa53466eb6f2a09baf36eacda61bf281cd81df9"`
[INFO] [stdout] 373418ccc1a5438e36d2106e6aa53466eb6f2a09baf36eacda61bf281cd81df9