[INFO] updating cached repository stephenjayakar/rust-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stephenjayakar/rust-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stephenjayakar/rust-raytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/stephenjayakar/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stephenjayakar/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stephenjayakar/rust-raytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 527499a2e90d1c5071120149ffee24e6741dcc42
[INFO] sha for GitHub repo stephenjayakar/rust-raytracer: 527499a2e90d1c5071120149ffee24e6741dcc42
[INFO] validating manifest of stephenjayakar/rust-raytracer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stephenjayakar/rust-raytracer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stephenjayakar/rust-raytracer
[INFO] finished frobbing stephenjayakar/rust-raytracer
[INFO] frobbed toml for stephenjayakar/rust-raytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/stephenjayakar/rust-raytracer/Cargo.toml
[INFO] started frobbing stephenjayakar/rust-raytracer
[INFO] finished frobbing stephenjayakar/rust-raytracer
[INFO] frobbed toml for stephenjayakar/rust-raytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer/Cargo.toml
[INFO] crate stephenjayakar/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stephenjayakar/rust-raytracer against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 31289854d551b0a3bd7ad55b3c1e5c97441aea60651d465a040afe22ec5e2a6c
[INFO] running `"docker" "start" "-a" "31289854d551b0a3bd7ad55b3c1e5c97441aea60651d465a040afe22ec5e2a6c"`
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling rust-raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let alpha = ((1.0 - fmin(1.0, ((height + HEIGHT as f32 / 2.0) / (HEIGHT as f32)))) * 255.0) as u8;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fog`
[INFO] [stderr]    --> src/main.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let State { position, samples, direction, fov, fog } = *state;
[INFO] [stderr]     |                                                    ^^^ help: try ignoring the field: `fog: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     canvas.fill_rect(Rect::new(x, y, width, height));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `"docker" "inspect" "31289854d551b0a3bd7ad55b3c1e5c97441aea60651d465a040afe22ec5e2a6c"`
[INFO] running `"docker" "rm" "-f" "31289854d551b0a3bd7ad55b3c1e5c97441aea60651d465a040afe22ec5e2a6c"`
[INFO] [stdout] 31289854d551b0a3bd7ad55b3c1e5c97441aea60651d465a040afe22ec5e2a6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a068a38c167a75e81eaeb1c1130ddf42c01a3a510b90d85f2eeeee19beb81cf8
[INFO] running `"docker" "start" "-a" "a068a38c167a75e81eaeb1c1130ddf42c01a3a510b90d85f2eeeee19beb81cf8"`
[INFO] [stderr]    Compiling rust-raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let alpha = ((1.0 - fmin(1.0, ((height + HEIGHT as f32 / 2.0) / (HEIGHT as f32)))) * 255.0) as u8;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fog`
[INFO] [stderr]    --> src/main.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let State { position, samples, direction, fov, fog } = *state;
[INFO] [stderr]     |                                                    ^^^ help: try ignoring the field: `fog: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     canvas.fill_rect(Rect::new(x, y, width, height));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "a068a38c167a75e81eaeb1c1130ddf42c01a3a510b90d85f2eeeee19beb81cf8"`
[INFO] running `"docker" "rm" "-f" "a068a38c167a75e81eaeb1c1130ddf42c01a3a510b90d85f2eeeee19beb81cf8"`
[INFO] [stdout] a068a38c167a75e81eaeb1c1130ddf42c01a3a510b90d85f2eeeee19beb81cf8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephenjayakar/rust-raytracer:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d1dcd634b5ef95eb55069f5b33b1d23068816e4747cab3ba252074ed22fb6720
[INFO] running `"docker" "start" "-a" "d1dcd634b5ef95eb55069f5b33b1d23068816e4747cab3ba252074ed22fb6720"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_raytracer-0af1822019725524
[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" "d1dcd634b5ef95eb55069f5b33b1d23068816e4747cab3ba252074ed22fb6720"`
[INFO] running `"docker" "rm" "-f" "d1dcd634b5ef95eb55069f5b33b1d23068816e4747cab3ba252074ed22fb6720"`
[INFO] [stdout] d1dcd634b5ef95eb55069f5b33b1d23068816e4747cab3ba252074ed22fb6720