[INFO] updating cached repository k15z/kevz-svm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/k15z/kevz-svm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/k15z/kevz-svm" "work/ex/clippy-test-run/sources/stable/gh/k15z/kevz-svm"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/k15z/kevz-svm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/k15z/kevz-svm" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/k15z/kevz-svm"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/k15z/kevz-svm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a111e6be907db4ca7d4d96dbe8d331ad4819a3db [INFO] sha for GitHub repo k15z/kevz-svm: a111e6be907db4ca7d4d96dbe8d331ad4819a3db [INFO] validating manifest of k15z/kevz-svm 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 k15z/kevz-svm 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 k15z/kevz-svm [INFO] finished frobbing k15z/kevz-svm [INFO] frobbed toml for k15z/kevz-svm written to work/ex/clippy-test-run/sources/stable/gh/k15z/kevz-svm/Cargo.toml [INFO] started frobbing k15z/kevz-svm [INFO] finished frobbing k15z/kevz-svm [INFO] frobbed toml for k15z/kevz-svm written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/k15z/kevz-svm/Cargo.toml [INFO] crate k15z/kevz-svm 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 k15z/kevz-svm 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-5/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/k15z/kevz-svm:/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] 7d4d8e2f00c67731700d28579129b27d7bf64dc8729bc79087ef332089694d3e [INFO] running `"docker" "start" "-a" "7d4d8e2f00c67731700d28579129b27d7bf64dc8729bc79087ef332089694d3e"` [INFO] [stderr] Checking kevz-svm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/core.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | lambda: lambda, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `lambda` [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/core.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | lambda: lambda, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `lambda` [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: unneeded return statement [INFO] [stderr] --> src/core.rs:2:2 [INFO] [stderr] | [INFO] [stderr] 2 | return linear_kernel(x1, x2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `linear_kernel(x1, x2)` [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/core.rs:6:2 [INFO] [stderr] | [INFO] [stderr] 6 | return linear_kernel(x1, x2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `linear_kernel(x1, x2)` [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/core.rs:15:2 [INFO] [stderr] | [INFO] [stderr] 15 | 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/core.rs:25:2 [INFO] [stderr] | [INFO] [stderr] 25 | return (-gamma*result).exp(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(-gamma*result).exp()` [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/core.rs:98:3 [INFO] [stderr] | [INFO] [stderr] 98 | return y; [INFO] [stderr] | ^^^^^^^^^ help: remove `return` as shown: `y` [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: unused import: `std::io` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/core.rs:2:2 [INFO] [stderr] | [INFO] [stderr] 2 | return linear_kernel(x1, x2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `linear_kernel(x1, x2)` [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/core.rs:6:2 [INFO] [stderr] | [INFO] [stderr] 6 | return linear_kernel(x1, x2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `linear_kernel(x1, x2)` [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/core.rs:15:2 [INFO] [stderr] | [INFO] [stderr] 15 | 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/core.rs:25:2 [INFO] [stderr] | [INFO] [stderr] 25 | return (-gamma*result).exp(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(-gamma*result).exp()` [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/core.rs:98:3 [INFO] [stderr] | [INFO] [stderr] 98 | return y; [INFO] [stderr] | ^^^^^^^^^ help: remove `return` as shown: `y` [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: unused import: `std::io` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gaussian_kernel` [INFO] [stderr] --> src/core.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `predict` [INFO] [stderr] --> src/core.rs:90:2 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn predict(&self, x: &Vec>) -> Vec { [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/core.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | fn kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/core.rs:1:32 [INFO] [stderr] | [INFO] [stderr] 1 | fn kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | fn dot_product(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | fn dot_product(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:9:23 [INFO] [stderr] | [INFO] [stderr] 9 | fn linear_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:9:39 [INFO] [stderr] | [INFO] [stderr] 9 | fn linear_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:18:25 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:18:41 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:45:27 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &Vec>, y: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] help: change this to [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &[Vec], y: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] help: change `x.clone()` to [INFO] [stderr] | [INFO] [stderr] 87 | self.vector = x.to_owned(); [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/core.rs:45:46 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &Vec>, y: &Vec) { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/core.rs:78:6 [INFO] [stderr] | [INFO] [stderr] 78 | alpha[i] = (1.0 - lr * self.lambda) * alpha[i]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `alpha[i] *= (1.0 - lr * self.lambda)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/core.rs:90:27 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn predict(&self, x: &Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: change this to: `&[Vec]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:17:25 [INFO] [stderr] | [INFO] [stderr] 17 | let line = line.split(" "); [INFO] [stderr] | ^^^ help: try using a char instead: `' '` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_char_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:27:25 [INFO] [stderr] | [INFO] [stderr] 27 | let line = line.split(" "); [INFO] [stderr] | ^^^ help: try using a char instead: `' '` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gaussian_kernel` [INFO] [stderr] --> src/core.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `predict` [INFO] [stderr] --> src/core.rs:90:2 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn predict(&self, x: &Vec>) -> Vec { [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/core.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | fn kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/core.rs:1:32 [INFO] [stderr] | [INFO] [stderr] 1 | fn kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | fn dot_product(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:5:37 [INFO] [stderr] | [INFO] [stderr] 5 | fn dot_product(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:9:23 [INFO] [stderr] | [INFO] [stderr] 9 | fn linear_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:9:39 [INFO] [stderr] | [INFO] [stderr] 9 | fn linear_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:18:25 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:18:41 [INFO] [stderr] | [INFO] [stderr] 18 | fn gaussian_kernel(x1 : &Vec, x2 : &Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [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/core.rs:45:27 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &Vec>, y: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] help: change this to [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &[Vec], y: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] help: change `x.clone()` to [INFO] [stderr] | [INFO] [stderr] 87 | self.vector = x.to_owned(); [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/core.rs:45:46 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn fit(&mut self, x: &Vec>, y: &Vec) { [INFO] [stderr] | ^^^^^^^^^ help: change this to: `&[f64]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/core.rs:78:6 [INFO] [stderr] | [INFO] [stderr] 78 | alpha[i] = (1.0 - lr * self.lambda) * alpha[i]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `alpha[i] *= (1.0 - lr * self.lambda)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/core.rs:90:27 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn predict(&self, x: &Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: change this to: `&[Vec]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:17:25 [INFO] [stderr] | [INFO] [stderr] 17 | let line = line.split(" "); [INFO] [stderr] | ^^^ help: try using a char instead: `' '` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_char_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/main.rs:27:25 [INFO] [stderr] | [INFO] [stderr] 27 | let line = line.split(" "); [INFO] [stderr] | ^^^ help: try using a char instead: `' '` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `"docker" "inspect" "7d4d8e2f00c67731700d28579129b27d7bf64dc8729bc79087ef332089694d3e"` [INFO] running `"docker" "rm" "-f" "7d4d8e2f00c67731700d28579129b27d7bf64dc8729bc79087ef332089694d3e"` [INFO] [stdout] 7d4d8e2f00c67731700d28579129b27d7bf64dc8729bc79087ef332089694d3e