[INFO] crate optimization 0.1.0 is already in cache [INFO] extracting crate optimization 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/optimization/0.1.0 [INFO] extracting crate optimization 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/optimization/0.1.0 [INFO] validating manifest of optimization-0.1.0 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 optimization-0.1.0 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 optimization-0.1.0 [INFO] finished frobbing optimization-0.1.0 [INFO] frobbed toml for optimization-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/optimization/0.1.0/Cargo.toml [INFO] started frobbing optimization-0.1.0 [INFO] finished frobbing optimization-0.1.0 [INFO] frobbed toml for optimization-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/optimization/0.1.0/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 optimization-0.1.0 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/optimization/0.1.0:/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] fe29b4457e048ce3e6cda5f1623d8c0b449115b4186d91e3f0469e12f6f4ba78 [INFO] running `"docker" "start" "-a" "fe29b4457e048ce3e6cda5f1623d8c0b449115b4186d91e3f0469e12f6f4ba78"` [INFO] [stderr] Checking optimization v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/problems.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | dimensions: dimensions [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dimensions` [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/problems.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | a: a, [INFO] [stderr] | ^^^^ help: replace it with: `a` [INFO] [stderr] | [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/problems.rs:155:13 [INFO] [stderr] | [INFO] [stderr] 155 | b: b [INFO] [stderr] | ^^^^ help: replace it with: `b` [INFO] [stderr] | [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/types.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | position: position, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `position` [INFO] [stderr] | [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/types.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | value: value [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/numeric.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | function: function [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `function` [INFO] [stderr] | [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/line_search.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | fixed_step_width: fixed_step_width [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fixed_step_width` [INFO] [stderr] | [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/line_search.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | start_step_width: start_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_step_width` [INFO] [stderr] | [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/line_search.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | stop_step_width: stop_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stop_step_width` [INFO] [stderr] | [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/line_search.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | increase_factor: increase_factor [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `increase_factor` [INFO] [stderr] | [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/line_search.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | control_parameter: control_parameter, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `control_parameter` [INFO] [stderr] | [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/line_search.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | initial_step_width: initial_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `initial_step_width` [INFO] [stderr] | [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/line_search.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | decay_factor: decay_factor [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `decay_factor` [INFO] [stderr] | [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/gd.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | line_search: line_search, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `line_search` [INFO] [stderr] | [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/problems.rs:118:13 [INFO] [stderr] | [INFO] [stderr] 118 | dimensions: dimensions [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dimensions` [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/problems.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | a: a, [INFO] [stderr] | ^^^^ help: replace it with: `a` [INFO] [stderr] | [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/problems.rs:155:13 [INFO] [stderr] | [INFO] [stderr] 155 | b: b [INFO] [stderr] | ^^^^ help: replace it with: `b` [INFO] [stderr] | [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/types.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | position: position, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `position` [INFO] [stderr] | [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/types.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | value: value [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/numeric.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | function: function [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `function` [INFO] [stderr] | [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/line_search.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | fixed_step_width: fixed_step_width [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fixed_step_width` [INFO] [stderr] | [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/line_search.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | start_step_width: start_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_step_width` [INFO] [stderr] | [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/line_search.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | stop_step_width: stop_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stop_step_width` [INFO] [stderr] | [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/line_search.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | increase_factor: increase_factor [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `increase_factor` [INFO] [stderr] | [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/line_search.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | control_parameter: control_parameter, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `control_parameter` [INFO] [stderr] | [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/line_search.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | initial_step_width: initial_step_width, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `initial_step_width` [INFO] [stderr] | [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/line_search.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | decay_factor: decay_factor [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `decay_factor` [INFO] [stderr] | [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/gd.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | line_search: line_search, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `line_search` [INFO] [stderr] | [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/utils.rs:52:42 [INFO] [stderr] | [INFO] [stderr] 52 | assert!(!are_close(1.0e-40, 0.0, 0.000001)); [INFO] [stderr] | ^^^^^^^^ help: consider: `0.000_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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/numeric.rs:45:29 [INFO] [stderr] | [INFO] [stderr] 45 | let mut x: Vec<_> = position.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_cloned_collect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/line_search.rs:81:32 [INFO] [stderr] | [INFO] [stderr] 81 | let mut min_position = initial_position.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: you should consider adding a `Default` implementation for `gd::GradientDescent` [INFO] [stderr] --> src/gd.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / pub fn new() -> GradientDescent { [INFO] [stderr] 22 | | GradientDescent { [INFO] [stderr] 23 | | line_search: ArmijoLineSearch::new(0.5, 1.0, 0.5), [INFO] [stderr] 24 | | gradient_tolerance: 1.0e-4, [INFO] [stderr] 25 | | max_iterations: None [INFO] [stderr] 26 | | } [INFO] [stderr] 27 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 15 | impl Default for gd::GradientDescent { [INFO] [stderr] 16 | fn default() -> Self { [INFO] [stderr] 17 | Self::new() [INFO] [stderr] 18 | } [INFO] [stderr] 19 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider adding a `Default` implementation for `sgd::StochasticGradientDescent` [INFO] [stderr] --> src/sgd.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | / pub fn new() -> StochasticGradientDescent { [INFO] [stderr] 24 | | StochasticGradientDescent { [INFO] [stderr] 25 | | rng: random(), [INFO] [stderr] 26 | | max_iterations: None, [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 15 | impl Default for sgd::StochasticGradientDescent { [INFO] [stderr] 16 | fn default() -> Self { [INFO] [stderr] 17 | Self::new() [INFO] [stderr] 18 | } [INFO] [stderr] 19 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 5th binding whose name is just one char [INFO] [stderr] --> examples/line_fitting.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | let e = y - linear_regression(w, x); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::many_single_char_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names [INFO] [stderr] [INFO] [stderr] error: strict comparison of f32 or f64 [INFO] [stderr] --> src/utils.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | a == b [INFO] [stderr] | ^^^^^^ help: consider comparing them within some error: `(a - b).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/utils.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | a == b [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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/numeric.rs:45:29 [INFO] [stderr] | [INFO] [stderr] 45 | let mut x: Vec<_> = position.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_cloned_collect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/line_search.rs:81:32 [INFO] [stderr] | [INFO] [stderr] 81 | let mut min_position = initial_position.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: you should consider adding a `Default` implementation for `gd::GradientDescent` [INFO] [stderr] --> src/gd.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / pub fn new() -> GradientDescent { [INFO] [stderr] 22 | | GradientDescent { [INFO] [stderr] 23 | | line_search: ArmijoLineSearch::new(0.5, 1.0, 0.5), [INFO] [stderr] 24 | | gradient_tolerance: 1.0e-4, [INFO] [stderr] 25 | | max_iterations: None [INFO] [stderr] 26 | | } [INFO] [stderr] 27 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 15 | impl Default for gd::GradientDescent { [INFO] [stderr] 16 | fn default() -> Self { [INFO] [stderr] 17 | Self::new() [INFO] [stderr] 18 | } [INFO] [stderr] 19 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider adding a `Default` implementation for `sgd::StochasticGradientDescent` [INFO] [stderr] --> src/sgd.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | / pub fn new() -> StochasticGradientDescent { [INFO] [stderr] 24 | | StochasticGradientDescent { [INFO] [stderr] 25 | | rng: random(), [INFO] [stderr] 26 | | max_iterations: None, [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 15 | impl Default for sgd::StochasticGradientDescent { [INFO] [stderr] 16 | fn default() -> Self { [INFO] [stderr] 17 | Self::new() [INFO] [stderr] 18 | } [INFO] [stderr] 19 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `optimization`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: approximate value of `f{32, 64}::consts::PI` found. Consider using it directly [INFO] [stderr] --> examples/line_fitting.rs:23:44 [INFO] [stderr] | [INFO] [stderr] 23 | let true_coefficients = &[13.37, -4.2, 3.14]; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::approx_constant)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> examples/line_fitting.rs:33:10 [INFO] [stderr] | [INFO] [stderr] 33 | (x.iter().cloned().collect(), y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_cloned_collect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `optimization`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "fe29b4457e048ce3e6cda5f1623d8c0b449115b4186d91e3f0469e12f6f4ba78"` [INFO] running `"docker" "rm" "-f" "fe29b4457e048ce3e6cda5f1623d8c0b449115b4186d91e3f0469e12f6f4ba78"` [INFO] [stdout] fe29b4457e048ce3e6cda5f1623d8c0b449115b4186d91e3f0469e12f6f4ba78