[INFO] updating cached repository muchomacho/diplearn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/muchomacho/diplearn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/muchomacho/diplearn" "work/ex/clippy-test-run/sources/stable/gh/muchomacho/diplearn"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/muchomacho/diplearn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/muchomacho/diplearn" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/muchomacho/diplearn"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/muchomacho/diplearn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 985bce61eb23f4a2687fdd0cddbccaa46137bf82
[INFO] sha for GitHub repo muchomacho/diplearn: 985bce61eb23f4a2687fdd0cddbccaa46137bf82
[INFO] validating manifest of muchomacho/diplearn 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 muchomacho/diplearn 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 muchomacho/diplearn
[INFO] finished frobbing muchomacho/diplearn
[INFO] frobbed toml for muchomacho/diplearn written to work/ex/clippy-test-run/sources/stable/gh/muchomacho/diplearn/Cargo.toml
[INFO] started frobbing muchomacho/diplearn
[INFO] finished frobbing muchomacho/diplearn
[INFO] frobbed toml for muchomacho/diplearn written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/muchomacho/diplearn/Cargo.toml
[INFO] crate muchomacho/diplearn 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 muchomacho/diplearn against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/muchomacho/diplearn:/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] f5e271b9499d4bed9885a62d2e4c62a61a54f198e884d24a629748b031712f7a
[INFO] running `"docker" "start" "-a" "f5e271b9499d4bed9885a62d2e4c62a61a54f198e884d24a629748b031712f7a"`
[INFO] [stderr]     Checking diplearn v1.27.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/mlp.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             dims: dims,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `dims`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/mlp.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             dims: dims,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `dims`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/mlp.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | static CONVERGE: f64 = 0.000000001;
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: consider: `0.000_000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         return node_vals.into_iter().nth(self.layer_num - 1).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `node_vals.into_iter().nth(self.layer_num - 1).unwrap()`
[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: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         return node_vals;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `node_vals`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         return error_grad;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `error_grad`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         return NumMatrix::new(trans);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(trans)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         return NumMatrix::new(out);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(out)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         return NumMatrix::new(matrix);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(matrix)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/mlp.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | static CONVERGE: f64 = 0.000000001;
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: consider: `0.000_000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         return node_vals.into_iter().nth(self.layer_num - 1).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `node_vals.into_iter().nth(self.layer_num - 1).unwrap()`
[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: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         return node_vals;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `node_vals`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/mlp.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 |         return error_grad;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `error_grad`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         return NumMatrix::new(trans);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(trans)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 |         return NumMatrix::new(out);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(out)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/numrs.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         return NumMatrix::new(matrix);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `NumMatrix::new(matrix)`
[INFO] [stderr]     |
[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 `j` is only used to index `matrix`.
[INFO] [stderr]   --> src/mlp.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |             for j in 0..dims[i] {
[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] 36 |             for <item> in matrix.iter_mut().take(dims[i]) {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `result`.
[INFO] [stderr]    --> src/mlp.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |             for j in 0..x.shape().0 {
[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] 181 |             for <item> in result.iter_mut().take(x.shape().0) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/mlp.rs:196:56
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn back_prop(&self, values: &NumMatrix, node_vals: &Vec<NumMatrix>) -> Vec<NumMatrix> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^ help: change this to: `&[NumMatrix]`
[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: item `numrs::NumVector` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/numrs.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl NumVector {
[INFO] [stderr] 22 | |     // construct a new vector
[INFO] [stderr] 23 | |     pub fn new(array: Vec<f64>) -> NumVector {
[INFO] [stderr] 24 | |         // panic if input vector is empty
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `array`.
[INFO] [stderr]    --> src/numrs.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |         for i in 0..row {
[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] 152 |         for <item> in array.iter().take(row) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `trans`
[INFO] [stderr]    --> src/numrs.rs:191:22
[INFO] [stderr]     |
[INFO] [stderr] 191 |             for j in 0..self.column {
[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] 191 |             for (j, <item>) in trans.iter_mut().enumerate().take(self.column) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `k` is used to index `rhs`
[INFO] [stderr]    --> src/numrs.rs:434:26
[INFO] [stderr]     |
[INFO] [stderr] 434 |                 for k in 0..self.shape().1 {
[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] 434 |                 for (k, <item>) in rhs.iter().enumerate().take(self.shape().1) {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `matrix`.
[INFO] [stderr]   --> src/mlp.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |             for j in 0..dims[i] {
[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] 36 |             for <item> in matrix.iter_mut().take(dims[i]) {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `result`.
[INFO] [stderr]    --> src/mlp.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |             for j in 0..x.shape().0 {
[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] 181 |             for <item> in result.iter_mut().take(x.shape().0) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/mlp.rs:196:56
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn back_prop(&self, values: &NumMatrix, node_vals: &Vec<NumMatrix>) -> Vec<NumMatrix> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^ help: change this to: `&[NumMatrix]`
[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: item `numrs::NumVector` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/numrs.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl NumVector {
[INFO] [stderr] 22 | |     // construct a new vector
[INFO] [stderr] 23 | |     pub fn new(array: Vec<f64>) -> NumVector {
[INFO] [stderr] 24 | |         // panic if input vector is empty
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |     }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `array`.
[INFO] [stderr]    --> src/numrs.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |         for i in 0..row {
[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] 152 |         for <item> in array.iter().take(row) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `trans`
[INFO] [stderr]    --> src/numrs.rs:191:22
[INFO] [stderr]     |
[INFO] [stderr] 191 |             for j in 0..self.column {
[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] 191 |             for (j, <item>) in trans.iter_mut().enumerate().take(self.column) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `k` is used to index `rhs`
[INFO] [stderr]    --> src/numrs.rs:434:26
[INFO] [stderr]     |
[INFO] [stderr] 434 |                 for k in 0..self.shape().1 {
[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] 434 |                 for (k, <item>) in rhs.iter().enumerate().take(self.shape().1) {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 | static REG_COEF: f64 = 0.0000000001;
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider: `0.000_000_000_1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:114:16
[INFO] [stderr]     |
[INFO] [stderr] 114 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 115 | |             if negative_count <= (positive as f64 * SAMPLE_BIAS) as usize {
[INFO] [stderr] 116 | |                 train_vectors.push(vectors[random_index[i]].clone());
[INFO] [stderr] 117 | |                 train_values.push(values[random_index[i]].clone());
[INFO] [stderr] 118 | |                 negative_count += 1;
[INFO] [stderr] 119 | |             }
[INFO] [stderr] 120 | |         }
[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] 114 |         } else if negative_count <= (positive as f64 * SAMPLE_BIAS) as usize {
[INFO] [stderr] 115 |     train_vectors.push(vectors[random_index[i]].clone());
[INFO] [stderr] 116 |     train_values.push(values[random_index[i]].clone());
[INFO] [stderr] 117 |     negative_count += 1;
[INFO] [stderr] 118 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 | static REG_COEF: f64 = 0.0000000001;
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider: `0.000_000_000_1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/main.rs:114:16
[INFO] [stderr]     |
[INFO] [stderr] 114 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 115 | |             if negative_count <= (positive as f64 * SAMPLE_BIAS) as usize {
[INFO] [stderr] 116 | |                 train_vectors.push(vectors[random_index[i]].clone());
[INFO] [stderr] 117 | |                 train_values.push(values[random_index[i]].clone());
[INFO] [stderr] 118 | |                 negative_count += 1;
[INFO] [stderr] 119 | |             }
[INFO] [stderr] 120 | |         }
[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] 114 |         } else if negative_count <= (positive as f64 * SAMPLE_BIAS) as usize {
[INFO] [stderr] 115 |     train_vectors.push(vectors[random_index[i]].clone());
[INFO] [stderr] 116 |     train_values.push(values[random_index[i]].clone());
[INFO] [stderr] 117 |     negative_count += 1;
[INFO] [stderr] 118 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(values[random_index[i]][0] - 1.0).abs() < error`
[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/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(values[random_index[i]][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `out_prob`.
[INFO] [stderr]    --> src/main.rs:152:14
[INFO] [stderr]     |
[INFO] [stderr] 152 |     for i in 0..test_sample_size {
[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] 152 |     for <item> in out_prob.iter().take(test_sample_size) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `answer`
[INFO] [stderr]    --> src/main.rs:153:18
[INFO] [stderr]     |
[INFO] [stderr] 153 |         for j in 0..PROB_NUM {
[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] 153 |         for (j, <item>) in answer.iter_mut().enumerate().take(PROB_NUM) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if test_values[i][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_values[i][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if test_values[i][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:180:16
[INFO] [stderr]     |
[INFO] [stderr] 180 |             if answer[j][i] == test_values[i][0] {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(answer[j][i] - test_values[i][0]).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:180:16
[INFO] [stderr]     |
[INFO] [stderr] 180 |             if answer[j][i] == test_values[i][0] {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:182:20
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 if test_values[i][0] == 1.0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_values[i][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:182:20
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 if test_values[i][0] == 1.0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:191:25
[INFO] [stderr]     |
[INFO] [stderr] 191 |         positive_mean / positive as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: try: `f64::from(positive)`
[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:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |         negative_mean / negative as f64
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: try: `f64::from(negative)`
[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:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             correct_answer[i] as f64 / test_sample_size as f64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(correct_answer[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             true_positive[i] as f64 / positive as f64
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(true_positive[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:200:39
[INFO] [stderr]     |
[INFO] [stderr] 200 |             true_positive[i] as f64 / positive as f64
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^ help: try: `f64::from(positive)`
[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: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `diplearn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(values[random_index[i]][0] - 1.0).abs() < error`
[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/main.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(values[random_index[i]][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |         if values[random_index[i]][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `out_prob`.
[INFO] [stderr]    --> src/main.rs:152:14
[INFO] [stderr]     |
[INFO] [stderr] 152 |     for i in 0..test_sample_size {
[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] 152 |     for <item> in out_prob.iter().take(test_sample_size) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `answer`
[INFO] [stderr]    --> src/main.rs:153:18
[INFO] [stderr]     |
[INFO] [stderr] 153 |         for j in 0..PROB_NUM {
[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] 153 |         for (j, <item>) in answer.iter_mut().enumerate().take(PROB_NUM) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if test_values[i][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_values[i][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if test_values[i][0] == 1.0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:180:16
[INFO] [stderr]     |
[INFO] [stderr] 180 |             if answer[j][i] == test_values[i][0] {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(answer[j][i] - test_values[i][0]).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:180:16
[INFO] [stderr]     |
[INFO] [stderr] 180 |             if answer[j][i] == test_values[i][0] {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:182:20
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 if test_values[i][0] == 1.0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_values[i][0] - 1.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:182:20
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 if test_values[i][0] == 1.0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:191:25
[INFO] [stderr]     |
[INFO] [stderr] 191 |         positive_mean / positive as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: try: `f64::from(positive)`
[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:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |         negative_mean / negative as f64
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: try: `f64::from(negative)`
[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:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             correct_answer[i] as f64 / test_sample_size as f64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(correct_answer[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             true_positive[i] as f64 / positive as f64
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(true_positive[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:200:39
[INFO] [stderr]     |
[INFO] [stderr] 200 |             true_positive[i] as f64 / positive as f64
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^ help: try: `f64::from(positive)`
[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: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `diplearn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f5e271b9499d4bed9885a62d2e4c62a61a54f198e884d24a629748b031712f7a"`
[INFO] running `"docker" "rm" "-f" "f5e271b9499d4bed9885a62d2e4c62a61a54f198e884d24a629748b031712f7a"`
[INFO] [stdout] f5e271b9499d4bed9885a62d2e4c62a61a54f198e884d24a629748b031712f7a