[INFO] crate rusticsom 1.0.0 is already in cache
[INFO] extracting crate rusticsom 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/rusticsom/1.0.0
[INFO] extracting crate rusticsom 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusticsom/1.0.0
[INFO] validating manifest of rusticsom-1.0.0 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 rusticsom-1.0.0 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 rusticsom-1.0.0
[INFO] finished frobbing rusticsom-1.0.0
[INFO] frobbed toml for rusticsom-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/rusticsom/1.0.0/Cargo.toml
[INFO] started frobbing rusticsom-1.0.0
[INFO] finished frobbing rusticsom-1.0.0
[INFO] frobbed toml for rusticsom-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusticsom/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rusticsom-1.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rusticsom/1.0.0:/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] f62d1c4e0d67b9df49f46674262360bfc356cd26bc77f64a17b273a4e68cc8f8
[INFO] running `"docker" "start" "-a" "f62d1c4e0d67b9df49f46674262360bfc356cd26bc77f64a17b273a4e68cc8f8"`
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking rusticsom v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:69:58
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut temp: Array1<f64> = Array1::<f64>::zeros((self.z));
[INFO] [stderr]    |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/lib.rs:69:58
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut temp: Array1<f64> = Array1::<f64>::zeros((self.z));
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:126:42
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:126:42
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:145:42
[INFO] [stderr]     |
[INFO] [stderr] 145 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:145:42
[INFO] [stderr]     |
[INFO] [stderr] 145 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         return dist_map;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dist_map`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     neighbourhood_function: fn((usize, usize), (usize, usize), f32) -> Array2<f64>,          // the function that determines the weights of the neighbours
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:27:204
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn create(length: usize, breadth: usize, inputs: usize, randomize: bool, learning_rate: Option<f32>, sigma: Option<f32>, decay_function: Option<fn(f32, u32, u32) -> f64>, neighbourhood_function: Option<fn((usize, usize), (usize, usize), f32) -> Array2<f64>>) -> SOM {
[INFO] [stderr]    |                                                                                                                                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn create(length: usize, breadth: usize, inputs: usize, randomize: bool, learning_rate: Option<f32>, sigma: Option<f32>, decay_function: Option<fn(f32, u32, u32) -> f64>, neighbourhood_function: Option<fn((usize, usize), (usize, usize), f32) -> Array2<f64>>) -> SOM {
[INFO] [stderr] 28 | |         // Map of "length" x "breadth" is created, with depth "inputs" (for input vectors accepted by this SOM)
[INFO] [stderr] 29 | |         // randomize: boolean; whether the SOM must be initialized with random weights or not
[INFO] [stderr] 30 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         }
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `foo`
[INFO] [stderr]   --> src/lib.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 Some(foo) => foo,
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::blacklisted_name)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `foo`
[INFO] [stderr]   --> src/lib.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 Some(foo) => foo,
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:69:58
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut temp: Array1<f64> = Array1::<f64>::zeros((self.z));
[INFO] [stderr]    |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]   --> src/lib.rs:69:58
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut temp: Array1<f64> = Array1::<f64>::zeros((self.z));
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:126:42
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:126:42
[INFO] [stderr]     |
[INFO] [stderr] 126 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:127:42
[INFO] [stderr]     |
[INFO] [stderr] 127 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:145:42
[INFO] [stderr]     |
[INFO] [stderr] 145 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:145:42
[INFO] [stderr]     |
[INFO] [stderr] 145 |             temp1 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:146:42
[INFO] [stderr]     |
[INFO] [stderr] 146 |             temp2 = Array1::<f64>::zeros((ndarray::ArrayBase::dim(&data).1));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 |         return dist_map;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dist_map`
[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: the loop variable `i` is used to index `elem`
[INFO] [stderr]    --> src/lib.rs:171:18
[INFO] [stderr]     |
[INFO] [stderr] 171 |         for i in 0..elem.len() {
[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] 171 |         for (i, <item>) in elem.iter().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     (val as f64) / ((1 + (curr_iter/max_iter)) as f64)
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: try: `f64::from(val)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:266:20
[INFO] [stderr]     |
[INFO] [stderr] 266 |     (val as f64) / ((1 + (curr_iter/max_iter)) as f64)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(1 + (curr_iter/max_iter))`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:272:26
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let div = 2.0 * PI * sigma as f64 * sigma as f64;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `f64::from(sigma)`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:272:41
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let div = 2.0 * PI * sigma as f64 * sigma as f64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `f64::from(sigma)`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     neighbourhood_function: fn((usize, usize), (usize, usize), f32) -> Array2<f64>,          // the function that determines the weights of the neighbours
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/lib.rs:27:204
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn create(length: usize, breadth: usize, inputs: usize, randomize: bool, learning_rate: Option<f32>, sigma: Option<f32>, decay_function: Option<fn(f32, u32, u32) -> f64>, neighbourhood_function: Option<fn((usize, usize), (usize, usize), f32) -> Array2<f64>>) -> SOM {
[INFO] [stderr]    |                                                                                                                                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn create(length: usize, breadth: usize, inputs: usize, randomize: bool, learning_rate: Option<f32>, sigma: Option<f32>, decay_function: Option<fn(f32, u32, u32) -> f64>, neighbourhood_function: Option<fn((usize, usize), (usize, usize), f32) -> Array2<f64>>) -> SOM {
[INFO] [stderr] 28 | |         // Map of "length" x "breadth" is created, with depth "inputs" (for input vectors accepted by this SOM)
[INFO] [stderr] 29 | |         // randomize: boolean; whether the SOM must be initialized with random weights or not
[INFO] [stderr] 30 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |         }
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `foo`
[INFO] [stderr]   --> src/lib.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 Some(foo) => foo,
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::blacklisted_name)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `foo`
[INFO] [stderr]   --> src/lib.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 Some(foo) => foo,
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `elem`
[INFO] [stderr]    --> src/lib.rs:171:18
[INFO] [stderr]     |
[INFO] [stderr] 171 |         for i in 0..elem.len() {
[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] 171 |         for (i, <item>) in elem.iter().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     (val as f64) / ((1 + (curr_iter/max_iter)) as f64)
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: try: `f64::from(val)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:266:20
[INFO] [stderr]     |
[INFO] [stderr] 266 |     (val as f64) / ((1 + (curr_iter/max_iter)) as f64)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(1 + (curr_iter/max_iter))`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:272:26
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let div = 2.0 * PI * sigma as f64 * sigma as f64;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `f64::from(sigma)`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:272:41
[INFO] [stderr]     |
[INFO] [stderr] 272 |     let div = 2.0 * PI * sigma as f64 * sigma as f64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `f64::from(sigma)`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:331:13
[INFO] [stderr]     |
[INFO] [stderr] 331 |             assert_eq!(map.get_map_cell((1, 1, k)), 1.5);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:331:13
[INFO] [stderr]     |
[INFO] [stderr] 331 |             assert_eq!(map.get_map_cell((1, 1, k)), 1.5);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         assert_eq!(euclid_dist(a.view(), b.view()), 6.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         assert_eq!(euclid_dist(a.view(), b.view()), 6.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusticsom`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/test.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     assert_ne!(dist[[0, 0]], 0.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/test.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     assert_ne!(dist[[0, 0]], 0.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> tests/test.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     assert_ne!(dist[[1, 1]], 0.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> tests/test.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     assert_ne!(dist[[1, 1]], 0.0);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusticsom`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f62d1c4e0d67b9df49f46674262360bfc356cd26bc77f64a17b273a4e68cc8f8"`
[INFO] running `"docker" "rm" "-f" "f62d1c4e0d67b9df49f46674262360bfc356cd26bc77f64a17b273a4e68cc8f8"`
[INFO] [stdout] f62d1c4e0d67b9df49f46674262360bfc356cd26bc77f64a17b273a4e68cc8f8