[INFO] updating cached repository CM-Tech/graphsums
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CM-Tech/graphsums
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CM-Tech/graphsums" "work/ex/clippy-test-run/sources/stable/gh/CM-Tech/graphsums"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/CM-Tech/graphsums'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CM-Tech/graphsums" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CM-Tech/graphsums"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CM-Tech/graphsums'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25133a874fc4659d0bf0a3105d4b2b0dfeec2678
[INFO] sha for GitHub repo CM-Tech/graphsums: 25133a874fc4659d0bf0a3105d4b2b0dfeec2678
[INFO] validating manifest of CM-Tech/graphsums 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 CM-Tech/graphsums 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 CM-Tech/graphsums
[INFO] finished frobbing CM-Tech/graphsums
[INFO] frobbed toml for CM-Tech/graphsums written to work/ex/clippy-test-run/sources/stable/gh/CM-Tech/graphsums/Cargo.toml
[INFO] started frobbing CM-Tech/graphsums
[INFO] finished frobbing CM-Tech/graphsums
[INFO] frobbed toml for CM-Tech/graphsums written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CM-Tech/graphsums/Cargo.toml
[INFO] crate CM-Tech/graphsums 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 CM-Tech/graphsums 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/CM-Tech/graphsums:/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] b2612baa086782b046702f137d206839243ed4efa95cb8417f608465b965e70f
[INFO] running `"docker" "start" "-a" "b2612baa086782b046702f137d206839243ed4efa95cb8417f608465b965e70f"`
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking glutin v0.12.2
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.2
[INFO] [stderr]     Checking gfx_device_gl v0.15.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.50.0
[INFO] [stderr]     Checking piston_window v0.77.0
[INFO] [stderr]     Checking graphsums v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 |     old: &i32,
[INFO] [stderr]    |          ^^^^ help: consider passing by value instead: `i32`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: try: `f64::from(total[0])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:49
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[1])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:77
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:245:52
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         + (((3f64).sqrt() / 2.0) * (total[1] as f64)
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[1])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:246:55
[INFO] [stderr]     |
[INFO] [stderr] 246 |                             - ((3f64).sqrt() / 2.0) * (total[2] as f64))
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[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:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 |     old: &i32,
[INFO] [stderr]    |          ^^^^ help: consider passing by value instead: `i32`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: try: `f64::from(total[0])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:49
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[1])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:243:77
[INFO] [stderr]     |
[INFO] [stderr] 243 |                     ((total[0] as f64 - (0.5) * (total[1] as f64) - (0.5) * (total[2] as f64))
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:245:52
[INFO] [stderr]     |
[INFO] [stderr] 245 |                         + (((3f64).sqrt() / 2.0) * (total[1] as f64)
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[1])`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:246:55
[INFO] [stderr]     |
[INFO] [stderr] 246 |                             - ((3f64).sqrt() / 2.0) * (total[2] as f64))
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: try: `f64::from(total[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]     Finished dev [unoptimized + debuginfo] target(s) in 34.06s
[INFO] running `"docker" "inspect" "b2612baa086782b046702f137d206839243ed4efa95cb8417f608465b965e70f"`
[INFO] running `"docker" "rm" "-f" "b2612baa086782b046702f137d206839243ed4efa95cb8417f608465b965e70f"`
[INFO] [stdout] b2612baa086782b046702f137d206839243ed4efa95cb8417f608465b965e70f