[INFO] updating cached repository PeronTheDuck/rust_color_circler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PeronTheDuck/rust_color_circler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PeronTheDuck/rust_color_circler" "work/ex/clippy-test-run/sources/stable/gh/PeronTheDuck/rust_color_circler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PeronTheDuck/rust_color_circler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PeronTheDuck/rust_color_circler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PeronTheDuck/rust_color_circler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PeronTheDuck/rust_color_circler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d963639fe96f9a76b5b7ca6ac9353df958e35517
[INFO] sha for GitHub repo PeronTheDuck/rust_color_circler: d963639fe96f9a76b5b7ca6ac9353df958e35517
[INFO] validating manifest of PeronTheDuck/rust_color_circler 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 PeronTheDuck/rust_color_circler 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 PeronTheDuck/rust_color_circler
[INFO] finished frobbing PeronTheDuck/rust_color_circler
[INFO] frobbed toml for PeronTheDuck/rust_color_circler written to work/ex/clippy-test-run/sources/stable/gh/PeronTheDuck/rust_color_circler/Cargo.toml
[INFO] started frobbing PeronTheDuck/rust_color_circler
[INFO] finished frobbing PeronTheDuck/rust_color_circler
[INFO] frobbed toml for PeronTheDuck/rust_color_circler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PeronTheDuck/rust_color_circler/Cargo.toml
[INFO] crate PeronTheDuck/rust_color_circler 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 PeronTheDuck/rust_color_circler 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/PeronTheDuck/rust_color_circler:/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] 7df6b7f7e6d83b2e695bd3a4756d102dc36a4e12f7f6fb92af9cbe9f7d3099df
[INFO] running `"docker" "start" "-a" "7df6b7f7e6d83b2e695bd3a4756d102dc36a4e12f7f6fb92af9cbe9f7d3099df"`
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking color_circler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/main.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut radius = (sector_size as f64) / 2f64;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(sector_size)`
[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: length comparison to zero
[INFO] [stderr]   --> src/main.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |     while args_list.len() > 0 {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args_list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:66:62
[INFO] [stderr]    |
[INFO] [stderr] 66 |         &input_file_name, width, height, sector_size, radius,(match quad{true=>"quads",false=>"circles"})
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an if/else expression: `if quad { "quads" } else { "circles" }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `act_prom`
[INFO] [stderr]   --> src/main.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     for i in 0..3 {
[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] 84 |                     for (i, <item>) in act_prom.iter_mut().enumerate() {
[INFO] [stderr]    |                         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         act_prom[i] = act_prom[i] + img.get_pixel(s_x, s_y)[i] as u32;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `act_prom[i] += img.get_pixel(s_x, s_y)[i] as u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:85:53
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         act_prom[i] = act_prom[i] + img.get_pixel(s_x, s_y)[i] as u32;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(img.get_pixel(s_x, s_y)[i])`
[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 loop variable `i` is only used to index `act_prom`.
[INFO] [stderr]   --> src/main.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             for i in 0..3 {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[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] 89 |             for <item> in &mut act_prom {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 act_prom[i] = act_prom[i] / (sector_size * sector_size);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `act_prom[i] /= (sector_size * sector_size)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let distance: f64 = ((dx.pow(2) + dy.pow(2)) as f64).sqrt();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dx.pow(2) + dy.pow(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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/main.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut radius = (sector_size as f64) / 2f64;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(sector_size)`
[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: length comparison to zero
[INFO] [stderr]   --> src/main.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |     while args_list.len() > 0 {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args_list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:66:62
[INFO] [stderr]    |
[INFO] [stderr] 66 |         &input_file_name, width, height, sector_size, radius,(match quad{true=>"quads",false=>"circles"})
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an if/else expression: `if quad { "quads" } else { "circles" }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `act_prom`
[INFO] [stderr]   --> src/main.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     for i in 0..3 {
[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] 84 |                     for (i, <item>) in act_prom.iter_mut().enumerate() {
[INFO] [stderr]    |                         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         act_prom[i] = act_prom[i] + img.get_pixel(s_x, s_y)[i] as u32;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `act_prom[i] += img.get_pixel(s_x, s_y)[i] as u32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:85:53
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         act_prom[i] = act_prom[i] + img.get_pixel(s_x, s_y)[i] as u32;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(img.get_pixel(s_x, s_y)[i])`
[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 loop variable `i` is only used to index `act_prom`.
[INFO] [stderr]   --> src/main.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             for i in 0..3 {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[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] 89 |             for <item> in &mut act_prom {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 act_prom[i] = act_prom[i] / (sector_size * sector_size);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `act_prom[i] /= (sector_size * sector_size)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let distance: f64 = ((dx.pow(2) + dy.pow(2)) as f64).sqrt();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dx.pow(2) + dy.pow(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 21.85s
[INFO] running `"docker" "inspect" "7df6b7f7e6d83b2e695bd3a4756d102dc36a4e12f7f6fb92af9cbe9f7d3099df"`
[INFO] running `"docker" "rm" "-f" "7df6b7f7e6d83b2e695bd3a4756d102dc36a4e12f7f6fb92af9cbe9f7d3099df"`
[INFO] [stdout] 7df6b7f7e6d83b2e695bd3a4756d102dc36a4e12f7f6fb92af9cbe9f7d3099df