[INFO] updating cached repository botagar/fluidsim-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/botagar/fluidsim-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/botagar/fluidsim-rs" "work/ex/clippy-test-run/sources/stable/gh/botagar/fluidsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/botagar/fluidsim-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/botagar/fluidsim-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/botagar/fluidsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/botagar/fluidsim-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fe9e24dba1dd46c2b1e0c19c53e6cdfacf159b7
[INFO] sha for GitHub repo botagar/fluidsim-rs: 7fe9e24dba1dd46c2b1e0c19c53e6cdfacf159b7
[INFO] validating manifest of botagar/fluidsim-rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of botagar/fluidsim-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing botagar/fluidsim-rs
[INFO] finished frobbing botagar/fluidsim-rs
[INFO] frobbed toml for botagar/fluidsim-rs written to work/ex/clippy-test-run/sources/stable/gh/botagar/fluidsim-rs/Cargo.toml
[INFO] started frobbing botagar/fluidsim-rs
[INFO] finished frobbing botagar/fluidsim-rs
[INFO] frobbed toml for botagar/fluidsim-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/botagar/fluidsim-rs/Cargo.toml
[INFO] crate botagar/fluidsim-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting botagar/fluidsim-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/botagar/fluidsim-rs:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ac6952c2d88bec37fca2dcbbce4b211a996b06be6c9ae4966acdb880bb8a23c5
[INFO] running `"docker" "start" "-a" "ac6952c2d88bec37fca2dcbbce4b211a996b06be6c9ae4966acdb880bb8a23c5"`
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking ordered-float v0.5.1
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking fluidsim-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `lineLeft` should have a snake case name such as `line_left`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let lineLeft = line::Line::new([0.0, 0.0, 0.0, 1.0], 1.0);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (x, y) = ((args.width / 2) as f64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(args.width / 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |                       (args.height / 2) as f64);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(args.height / 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lineLeft` should have a snake case name such as `line_left`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let lineLeft = line::Line::new([0.0, 0.0, 0.0, 1.0], 1.0);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (x, y) = ((args.width / 2) as f64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(args.width / 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |                       (args.height / 2) as f64);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(args.height / 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
[INFO] running `"docker" "inspect" "ac6952c2d88bec37fca2dcbbce4b211a996b06be6c9ae4966acdb880bb8a23c5"`
[INFO] running `"docker" "rm" "-f" "ac6952c2d88bec37fca2dcbbce4b211a996b06be6c9ae4966acdb880bb8a23c5"`
[INFO] [stdout] ac6952c2d88bec37fca2dcbbce4b211a996b06be6c9ae4966acdb880bb8a23c5