[INFO] updating cached repository jpypi/rust-som
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jpypi/rust-som
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jpypi/rust-som" "work/ex/clippy-test-run/sources/stable/gh/jpypi/rust-som"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jpypi/rust-som'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jpypi/rust-som" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jpypi/rust-som"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jpypi/rust-som'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 837e1b1b9002d3a9b6f2b8b0720f4316cbc6cfb3
[INFO] sha for GitHub repo jpypi/rust-som: 837e1b1b9002d3a9b6f2b8b0720f4316cbc6cfb3
[INFO] validating manifest of jpypi/rust-som 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 jpypi/rust-som 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 jpypi/rust-som
[INFO] finished frobbing jpypi/rust-som
[INFO] frobbed toml for jpypi/rust-som written to work/ex/clippy-test-run/sources/stable/gh/jpypi/rust-som/Cargo.toml
[INFO] started frobbing jpypi/rust-som
[INFO] finished frobbing jpypi/rust-som
[INFO] frobbed toml for jpypi/rust-som written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jpypi/rust-som/Cargo.toml
[INFO] crate jpypi/rust-som 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 jpypi/rust-som against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jpypi/rust-som:/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] e673213a44fd1cda76125df30f6233d4b0c55828f0d97fce0e5ec836774fa7af
[INFO] running `"docker" "start" "-a" "e673213a44fd1cda76125df30f6233d4b0c55828f0d97fce0e5ec836774fa7af"`
[INFO] [stderr]    Compiling glutin v0.8.1
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking wayland-sys v0.8.7
[INFO] [stderr]     Checking wayland-client v0.8.7
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking wayland-kbd v0.8.0
[INFO] [stderr]     Checking wayland-window v0.5.0
[INFO] [stderr]     Checking winit v0.6.4
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.44.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.37.0
[INFO] [stderr]     Checking som v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/som.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return loc;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `loc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/som.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return loc;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `loc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:37:50
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let square = rectangle::square(0.0, 0.0, SCALE as f64);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^ help: try: `f64::from(SCALE)`
[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: the loop variable `r` is used to index `lattice`
[INFO] [stderr]   --> src/main.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |             for r in 0..size.0 {
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 45 |             for (r, <item>) in lattice.iter().enumerate().take(size.0) {
[INFO] [stderr]    |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:47:57
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     let transform = ctr.transform.trans((c as u32*SCALE) as f64,
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c as u32*SCALE)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:48:57
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                                         (r as u32*SCALE) as f64);
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(r as u32*SCALE)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:37:50
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let square = rectangle::square(0.0, 0.0, SCALE as f64);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^ help: try: `f64::from(SCALE)`
[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: the loop variable `r` is used to index `lattice`
[INFO] [stderr]   --> src/main.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |             for r in 0..size.0 {
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 45 |             for (r, <item>) in lattice.iter().enumerate().take(size.0) {
[INFO] [stderr]    |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:47:57
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     let transform = ctr.transform.trans((c as u32*SCALE) as f64,
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(c as u32*SCALE)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:48:57
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                                         (r as u32*SCALE) as f64);
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(r as u32*SCALE)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `"docker" "inspect" "e673213a44fd1cda76125df30f6233d4b0c55828f0d97fce0e5ec836774fa7af"`
[INFO] running `"docker" "rm" "-f" "e673213a44fd1cda76125df30f6233d4b0c55828f0d97fce0e5ec836774fa7af"`
[INFO] [stdout] e673213a44fd1cda76125df30f6233d4b0c55828f0d97fce0e5ec836774fa7af