[INFO] updating cached repository FlixCoder/rust-es-optimizer [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/FlixCoder/rust-es-optimizer [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/FlixCoder/rust-es-optimizer" "work/ex/clippy-test-run/sources/stable/gh/FlixCoder/rust-es-optimizer"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/FlixCoder/rust-es-optimizer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/FlixCoder/rust-es-optimizer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FlixCoder/rust-es-optimizer"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FlixCoder/rust-es-optimizer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0897b4eac58301a294a6f60a7d33c0a6e6f8bec2 [INFO] sha for GitHub repo FlixCoder/rust-es-optimizer: 0897b4eac58301a294a6f60a7d33c0a6e6f8bec2 [INFO] validating manifest of FlixCoder/rust-es-optimizer 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 FlixCoder/rust-es-optimizer 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 FlixCoder/rust-es-optimizer [INFO] finished frobbing FlixCoder/rust-es-optimizer [INFO] frobbed toml for FlixCoder/rust-es-optimizer written to work/ex/clippy-test-run/sources/stable/gh/FlixCoder/rust-es-optimizer/Cargo.toml [INFO] started frobbing FlixCoder/rust-es-optimizer [INFO] finished frobbing FlixCoder/rust-es-optimizer [INFO] frobbed toml for FlixCoder/rust-es-optimizer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/FlixCoder/rust-es-optimizer/Cargo.toml [INFO] crate FlixCoder/rust-es-optimizer 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 FlixCoder/rust-es-optimizer against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/FlixCoder/rust-es-optimizer:/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] 9a3fd71c91c24fd747da15133f4924f7a4b316719e548f8d30133c0b1ad3193f [INFO] running `"docker" "start" "-a" "9a3fd71c91c24fd747da15133f4924f7a4b316719e548f8d30133c0b1ad3193f"` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Checking esopt v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: this `else { if .. }` block can be collapsed [INFO] [stderr] --> src/lib.rs:796:13 [INFO] [stderr] | [INFO] [stderr] 796 | / { [INFO] [stderr] 797 | | if r1.1.is_nan() { if r2.1.is_nan() { Ordering::Equal } else { Ordering::Less } } else { Ordering::Greater } [INFO] [stderr] 798 | | } [INFO] [stderr] | |_____________^ help: try: `if r1.1.is_nan() { if r2.1.is_nan() { Ordering::Equal } else { Ordering::Less } } else { Ordering::Greater }` [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] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | fn eval(&self, &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/lib.rs:27:29 [INFO] [stderr] | [INFO] [stderr] 27 | fn get_delta(&mut self, &Vec, &Vec) -> 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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:27:40 [INFO] [stderr] | [INFO] [stderr] 27 | fn get_delta(&mut self, &Vec, &Vec) -> 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: you should consider deriving a `Default` implementation for `SGD` [INFO] [stderr] --> src/lib.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / pub fn new() -> SGD [INFO] [stderr] 45 | | { [INFO] [stderr] 46 | | SGD { lr: 0.01, lambda: 0.0, beta: 0.0, lastv: vec![0.0] } [INFO] [stderr] 47 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 33 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adam` [INFO] [stderr] --> src/lib.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | / pub fn new() -> Adam [INFO] [stderr] 133 | | { [INFO] [stderr] 134 | | Adam { lr: 0.001, lambda: 0.0, beta1: 0.9, beta2: 0.999, eps: 1e-8, t: 0, avggrad1: vec![0.0], avggrad2: vec![0.0], grad2max: vec![0.0], amsgrad: false } [INFO] [stderr] 135 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 114 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adamax` [INFO] [stderr] --> src/lib.rs:274:5 [INFO] [stderr] | [INFO] [stderr] 274 | / pub fn new() -> Adamax [INFO] [stderr] 275 | | { [INFO] [stderr] 276 | | Adamax { lr: 0.002, lambda: 0.0, beta1: 0.9, beta2: 0.999, eps: 0.0, t: 0, avggrad1: vec![0.0], avggrad2: vec![0.0] } [INFO] [stderr] 277 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 258 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/lib.rs:582:21 [INFO] [stderr] | [INFO] [stderr] 582 | *pos = *p + *pos; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `*pos += *p` [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: manual implementation of an assign operation [INFO] [stderr] --> src/lib.rs:627:21 [INFO] [stderr] | [INFO] [stderr] 627 | *pos = *p + *pos; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `*pos += *p` [INFO] [stderr] | [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/lib.rs:758:37 [INFO] [stderr] | [INFO] [stderr] 758 | fn add_inplace(v1:&mut Vec, v2:&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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:776:13 [INFO] [stderr] | [INFO] [stderr] 776 | fn norm(vec:&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: using `println!("")` [INFO] [stderr] --> examples/noisy-poly.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> examples/polynomials.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: this `else { if .. }` block can be collapsed [INFO] [stderr] --> src/lib.rs:796:13 [INFO] [stderr] | [INFO] [stderr] 796 | / { [INFO] [stderr] 797 | | if r1.1.is_nan() { if r2.1.is_nan() { Ordering::Equal } else { Ordering::Less } } else { Ordering::Greater } [INFO] [stderr] 798 | | } [INFO] [stderr] | |_____________^ help: try: `if r1.1.is_nan() { if r2.1.is_nan() { Ordering::Equal } else { Ordering::Less } } else { Ordering::Greater }` [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] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:18:20 [INFO] [stderr] | [INFO] [stderr] 18 | fn eval(&self, &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/lib.rs:27:29 [INFO] [stderr] | [INFO] [stderr] 27 | fn get_delta(&mut self, &Vec, &Vec) -> 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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:27:40 [INFO] [stderr] | [INFO] [stderr] 27 | fn get_delta(&mut self, &Vec, &Vec) -> 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: you should consider deriving a `Default` implementation for `SGD` [INFO] [stderr] --> src/lib.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / pub fn new() -> SGD [INFO] [stderr] 45 | | { [INFO] [stderr] 46 | | SGD { lr: 0.01, lambda: 0.0, beta: 0.0, lastv: vec![0.0] } [INFO] [stderr] 47 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 33 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adam` [INFO] [stderr] --> src/lib.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | / pub fn new() -> Adam [INFO] [stderr] 133 | | { [INFO] [stderr] 134 | | Adam { lr: 0.001, lambda: 0.0, beta1: 0.9, beta2: 0.999, eps: 1e-8, t: 0, avggrad1: vec![0.0], avggrad2: vec![0.0], grad2max: vec![0.0], amsgrad: false } [INFO] [stderr] 135 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 114 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adamax` [INFO] [stderr] --> src/lib.rs:274:5 [INFO] [stderr] | [INFO] [stderr] 274 | / pub fn new() -> Adamax [INFO] [stderr] 275 | | { [INFO] [stderr] 276 | | Adamax { lr: 0.002, lambda: 0.0, beta1: 0.9, beta2: 0.999, eps: 0.0, t: 0, avggrad1: vec![0.0], avggrad2: vec![0.0] } [INFO] [stderr] 277 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 258 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/lib.rs:582:21 [INFO] [stderr] | [INFO] [stderr] 582 | *pos = *p + *pos; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `*pos += *p` [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: manual implementation of an assign operation [INFO] [stderr] --> src/lib.rs:627:21 [INFO] [stderr] | [INFO] [stderr] 627 | *pos = *p + *pos; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `*pos += *p` [INFO] [stderr] | [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/lib.rs:758:37 [INFO] [stderr] | [INFO] [stderr] 758 | fn add_inplace(v1:&mut Vec, v2:&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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/lib.rs:776:13 [INFO] [stderr] | [INFO] [stderr] 776 | fn norm(vec:&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] --> examples/noisy-poly.rs:54:19 [INFO] [stderr] | [INFO] [stderr] 54 | fn calc_f(factors:&Vec, x:f64) -> 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: the loop variable `i` is only used to index `factors`. [INFO] [stderr] --> examples/noisy-poly.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | for i in 1..factors.len() [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 58 | for in factors.iter().skip(1) [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] --> examples/noisy-poly.rs:66:16 [INFO] [stderr] | [INFO] [stderr] 66 | fn print_f(fct:&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: the loop variable `i` is used to index `fct` [INFO] [stderr] --> examples/noisy-poly.rs:69:14 [INFO] [stderr] | [INFO] [stderr] 69 | for i in 0..fct.len() [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] 69 | for (i, ) in fct.iter().enumerate() [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> examples/noisy-poly.rs:109:16 [INFO] [stderr] | [INFO] [stderr] 109 | mae /= n as f64; [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(n)` [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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> examples/polynomials.rs:49:19 [INFO] [stderr] | [INFO] [stderr] 49 | fn calc_f(factors:&Vec, x:f64) -> 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: the loop variable `i` is only used to index `factors`. [INFO] [stderr] --> examples/polynomials.rs:53:14 [INFO] [stderr] | [INFO] [stderr] 53 | for i in 1..factors.len() [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 53 | for in factors.iter().skip(1) [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] --> examples/polynomials.rs:61:16 [INFO] [stderr] | [INFO] [stderr] 61 | fn print_f(fct:&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: the loop variable `i` is used to index `fct` [INFO] [stderr] --> examples/polynomials.rs:64:14 [INFO] [stderr] | [INFO] [stderr] 64 | for i in 0..fct.len() [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] 64 | for (i, ) in fct.iter().enumerate() [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 23.08s [INFO] running `"docker" "inspect" "9a3fd71c91c24fd747da15133f4924f7a4b316719e548f8d30133c0b1ad3193f"` [INFO] running `"docker" "rm" "-f" "9a3fd71c91c24fd747da15133f4924f7a4b316719e548f8d30133c0b1ad3193f"` [INFO] [stdout] 9a3fd71c91c24fd747da15133f4924f7a4b316719e548f8d30133c0b1ad3193f