[INFO] updating cached repository dwelman/rust_doku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dwelman/rust_doku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/clippy-test-run/sources/stable/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] sha for GitHub repo dwelman/rust_doku: 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] validating manifest of dwelman/rust_doku 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 dwelman/rust_doku 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 dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/clippy-test-run/sources/stable/gh/dwelman/rust_doku/Cargo.toml
[INFO] started frobbing dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dwelman/rust_doku/Cargo.toml
[INFO] crate dwelman/rust_doku 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 dwelman/rust_doku against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dwelman/rust_doku:/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 -Dclippy::into_iter_on_array" "-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] a0edbbb0977877149d27580f6189c1b6c15baebf4f02ea057da2621b546df355
[INFO] running `"docker" "start" "-a" "a0edbbb0977877149d27580f6189c1b6c15baebf4f02ea057da2621b546df355"`
[INFO] [stderr]     Checking rust_doku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/puzzle_logic.rs:67:2
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return false
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |       {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 52 | |         if x == 8
[INFO] [stderr] 53 | |         {
[INFO] [stderr] 54 | |             if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |         }
[INFO] [stderr] 66 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 51 |     if x == 8
[INFO] [stderr] 52 | {
[INFO] [stderr] 53 |     if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr] 54 |     {
[INFO] [stderr] 55 |         return true
[INFO] [stderr] 56 |     }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |                   {
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 40 | |                     if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 41 | |                     {
[INFO] [stderr] 42 | |                         return true
[INFO] [stderr] 43 | |                     }
[INFO] [stderr] 44 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 40 | {
[INFO] [stderr] 41 |     return true
[INFO] [stderr] 42 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |           {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 61 | |             if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 62 | |             {
[INFO] [stderr] 63 | |                 return true
[INFO] [stderr] 64 | |             }
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 60 |         if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 61 | {
[INFO] [stderr] 62 |     return true
[INFO] [stderr] 63 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr] 105 |           if y != c
[INFO] [stderr]     |  _________^
[INFO] [stderr] 106 | |         {
[INFO] [stderr] 107 | |             if puzzle[y][x] == puzzle[c][x]
[INFO] [stderr] 108 | |             {
[INFO] [stderr] 109 | |                 return false
[INFO] [stderr] 110 | |             }
[INFO] [stderr] 111 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if y != c && puzzle[y][x] == puzzle[c][x] {
[INFO] [stderr] 106 |     return false
[INFO] [stderr] 107 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:117:3
[INFO] [stderr]     |
[INFO] [stderr] 117 |           if x != r
[INFO] [stderr]     |  _________^
[INFO] [stderr] 118 | |         {
[INFO] [stderr] 119 | |             if puzzle[y][x] == puzzle[y][r]
[INFO] [stderr] 120 | |             {
[INFO] [stderr] 121 | |                 return false
[INFO] [stderr] 122 | |             }
[INFO] [stderr] 123 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 117 |         if x != r && puzzle[y][x] == puzzle[y][r] {
[INFO] [stderr] 118 |     return false
[INFO] [stderr] 119 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 |               if c_y != y && c_x != x
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 134 | |             {
[INFO] [stderr] 135 | |                 if puzzle[y][x] == puzzle[c_y][c_x]
[INFO] [stderr] 136 | |                 {
[INFO] [stderr] 137 | |                     return false
[INFO] [stderr] 138 | |                 }
[INFO] [stderr] 139 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |             if c_y != y && c_x != x && puzzle[y][x] == puzzle[c_y][c_x] {
[INFO] [stderr] 134 |     return false
[INFO] [stderr] 135 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/puzzle_logic.rs:67:2
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return false
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |       {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 52 | |         if x == 8
[INFO] [stderr] 53 | |         {
[INFO] [stderr] 54 | |             if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |         }
[INFO] [stderr] 66 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 51 |     if x == 8
[INFO] [stderr] 52 | {
[INFO] [stderr] 53 |     if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr] 54 |     {
[INFO] [stderr] 55 |         return true
[INFO] [stderr] 56 |     }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |                   {
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 40 | |                     if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 41 | |                     {
[INFO] [stderr] 42 | |                         return true
[INFO] [stderr] 43 | |                     }
[INFO] [stderr] 44 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 40 | {
[INFO] [stderr] 41 |     return true
[INFO] [stderr] 42 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/puzzle_logic.rs:60:3
[INFO] [stderr]    |
[INFO] [stderr] 60 |           {
[INFO] [stderr]    |  _________^
[INFO] [stderr] 61 | |             if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 62 | |             {
[INFO] [stderr] 63 | |                 return true
[INFO] [stderr] 64 | |             }
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 60 |         if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr] 61 | {
[INFO] [stderr] 62 |     return true
[INFO] [stderr] 63 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr] 105 |           if y != c
[INFO] [stderr]     |  _________^
[INFO] [stderr] 106 | |         {
[INFO] [stderr] 107 | |             if puzzle[y][x] == puzzle[c][x]
[INFO] [stderr] 108 | |             {
[INFO] [stderr] 109 | |                 return false
[INFO] [stderr] 110 | |             }
[INFO] [stderr] 111 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if y != c && puzzle[y][x] == puzzle[c][x] {
[INFO] [stderr] 106 |     return false
[INFO] [stderr] 107 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:117:3
[INFO] [stderr]     |
[INFO] [stderr] 117 |           if x != r
[INFO] [stderr]     |  _________^
[INFO] [stderr] 118 | |         {
[INFO] [stderr] 119 | |             if puzzle[y][x] == puzzle[y][r]
[INFO] [stderr] 120 | |             {
[INFO] [stderr] 121 | |                 return false
[INFO] [stderr] 122 | |             }
[INFO] [stderr] 123 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 117 |         if x != r && puzzle[y][x] == puzzle[y][r] {
[INFO] [stderr] 118 |     return false
[INFO] [stderr] 119 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/puzzle_logic.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 |               if c_y != y && c_x != x
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 134 | |             {
[INFO] [stderr] 135 | |                 if puzzle[y][x] == puzzle[c_y][c_x]
[INFO] [stderr] 136 | |                 {
[INFO] [stderr] 137 | |                     return false
[INFO] [stderr] 138 | |                 }
[INFO] [stderr] 139 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 133 |             if c_y != y && c_x != x && puzzle[y][x] == puzzle[c_y][c_x] {
[INFO] [stderr] 134 |     return false
[INFO] [stderr] 135 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]  --> src/puzzle_logic.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if validate_puzzle(puzzle) == true
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `validate_puzzle(puzzle)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |             if validate_specific_val(puzzle, y, x) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `validate_specific_val(puzzle, y, x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y + 1, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y, x + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 |             if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y + 1, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:61:7
[INFO] [stderr]    |
[INFO] [stderr] 61 |             if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y, x + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `puzzle`
[INFO] [stderr]   --> src/puzzle_logic.rs:72:11
[INFO] [stderr]    |
[INFO] [stderr] 72 |     for y in 0..9
[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] 72 |     for (y, <item>) in puzzle.iter().enumerate().take(9)
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/puzzle_logic.rs:89:7
[INFO] [stderr]    |
[INFO] [stderr] 89 |             if validate_specific_val(puzzle, y, x) == false
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!validate_specific_val(puzzle, y, x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]  --> src/puzzle_logic.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if validate_puzzle(puzzle) == true
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `validate_puzzle(puzzle)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |             if validate_specific_val(puzzle, y, x) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `validate_specific_val(puzzle, y, x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y + 1, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y, x + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 |             if puzzle_loop(puzzle, y + 1, 0) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y + 1, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]   --> src/puzzle_logic.rs:61:7
[INFO] [stderr]    |
[INFO] [stderr] 61 |             if puzzle_loop(puzzle, y, x + 1) == true
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `puzzle_loop(puzzle, y, x + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `puzzle`
[INFO] [stderr]   --> src/puzzle_logic.rs:72:11
[INFO] [stderr]    |
[INFO] [stderr] 72 |     for y in 0..9
[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] 72 |     for (y, <item>) in puzzle.iter().enumerate().take(9)
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/puzzle_logic.rs:89:7
[INFO] [stderr]    |
[INFO] [stderr] 89 |             if validate_specific_val(puzzle, y, x) == false
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!validate_specific_val(puzzle, y, x)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "a0edbbb0977877149d27580f6189c1b6c15baebf4f02ea057da2621b546df355"`
[INFO] running `"docker" "rm" "-f" "a0edbbb0977877149d27580f6189c1b6c15baebf4f02ea057da2621b546df355"`
[INFO] [stdout] a0edbbb0977877149d27580f6189c1b6c15baebf4f02ea057da2621b546df355