[INFO] updating cached repository Kuehle/bitmap-show-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kuehle/bitmap-show-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kuehle/bitmap-show-cli" "work/ex/clippy-test-run/sources/stable/gh/Kuehle/bitmap-show-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Kuehle/bitmap-show-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kuehle/bitmap-show-cli" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuehle/bitmap-show-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuehle/bitmap-show-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4d0bf3f491a25f73895e2b5ba8ed57e1fdd2bfb
[INFO] sha for GitHub repo Kuehle/bitmap-show-cli: f4d0bf3f491a25f73895e2b5ba8ed57e1fdd2bfb
[INFO] validating manifest of Kuehle/bitmap-show-cli 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 Kuehle/bitmap-show-cli 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 Kuehle/bitmap-show-cli
[INFO] finished frobbing Kuehle/bitmap-show-cli
[INFO] frobbed toml for Kuehle/bitmap-show-cli written to work/ex/clippy-test-run/sources/stable/gh/Kuehle/bitmap-show-cli/Cargo.toml
[INFO] started frobbing Kuehle/bitmap-show-cli
[INFO] finished frobbing Kuehle/bitmap-show-cli
[INFO] frobbed toml for Kuehle/bitmap-show-cli written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuehle/bitmap-show-cli/Cargo.toml
[INFO] crate Kuehle/bitmap-show-cli 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 Kuehle/bitmap-show-cli against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Kuehle/bitmap-show-cli:/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] 93f9a8ce76b181a4e6ded3adf576075ccb6d44a1418b1ae0aa50653e2efed27f
[INFO] running `"docker" "start" "-a" "93f9a8ce76b181a4e6ded3adf576075ccb6d44a1418b1ae0aa50653e2efed27f"`
[INFO] [stderr]     Checking bmp v0.4.0
[INFO] [stderr]     Checking bitmap-show-cli v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Image`
[INFO] [stderr]  --> src/main.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bmp::{Image, Pixel};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Image`
[INFO] [stderr]  --> src/main.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bmp::{Image, Pixel};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Err(e) => {
[INFO] [stderr]    |             ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:72:14
[INFO] [stderr]    |
[INFO] [stderr] 72 |         for (j, inner) in outer.iter().enumerate() {
[INFO] [stderr]    |              ^ help: consider using `_j` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let x_mult = img.get_width() as f32 / ter_width as f32;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: try: `f32::from(ter_width)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let y_mult = img.get_height() as f32 / ter_height as f32;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: try: `f32::from(ter_height)`
[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: The function/method `render` doesn't need a mutable reference
[INFO] [stderr]   --> src/main.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     render(& mut area);
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn render(area: & Vec<Vec<u32>>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<u32>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn get_graphic(num: &u32) -> String {
[INFO] [stderr]    |                     ^^^^ help: consider passing by value instead: `u32`
[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: function `numberFromPixel` should have a snake case name such as `number_from_pixel`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | / fn numberFromPixel(px: &Pixel) -> u32 {
[INFO] [stderr] 92 | |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr] 93 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[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:91:24
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn numberFromPixel(px: &Pixel) -> u32 {
[INFO] [stderr]    |                        ^^^^^^ help: consider passing by value instead: `Pixel`
[INFO] [stderr]    |
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |      ^^^^^^^^^^^ help: try: `u32::from(px.r)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `u32::from(px.g)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:34
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: try: `u32::from(px.b)`
[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: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Err(e) => {
[INFO] [stderr]    |             ^ help: consider using `_e` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:72:14
[INFO] [stderr]    |
[INFO] [stderr] 72 |         for (j, inner) in outer.iter().enumerate() {
[INFO] [stderr]    |              ^ help: consider using `_j` instead
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let x_mult = img.get_width() as f32 / ter_width as f32;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: try: `f32::from(ter_width)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let y_mult = img.get_height() as f32 / ter_height as f32;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: try: `f32::from(ter_height)`
[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: The function/method `render` doesn't need a mutable reference
[INFO] [stderr]   --> src/main.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     render(& mut area);
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn render(area: & Vec<Vec<u32>>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: change this to: `&[Vec<u32>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn get_graphic(num: &u32) -> String {
[INFO] [stderr]    |                     ^^^^ help: consider passing by value instead: `u32`
[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: function `numberFromPixel` should have a snake case name such as `number_from_pixel`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | / fn numberFromPixel(px: &Pixel) -> u32 {
[INFO] [stderr] 92 | |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr] 93 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[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:91:24
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn numberFromPixel(px: &Pixel) -> u32 {
[INFO] [stderr]    |                        ^^^^^^ help: consider passing by value instead: `Pixel`
[INFO] [stderr]    |
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |      ^^^^^^^^^^^ help: try: `u32::from(px.r)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `u32::from(px.g)`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:92:34
[INFO] [stderr]    |
[INFO] [stderr] 92 |     (px.r as u32 + px.g as u32 + px.b as u32) / 154
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: try: `u32::from(px.b)`
[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 2.23s
[INFO] running `"docker" "inspect" "93f9a8ce76b181a4e6ded3adf576075ccb6d44a1418b1ae0aa50653e2efed27f"`
[INFO] running `"docker" "rm" "-f" "93f9a8ce76b181a4e6ded3adf576075ccb6d44a1418b1ae0aa50653e2efed27f"`
[INFO] [stdout] 93f9a8ce76b181a4e6ded3adf576075ccb6d44a1418b1ae0aa50653e2efed27f