[INFO] crate rowcol 0.3.3 is already in cache [INFO] extracting crate rowcol 0.3.3 into work/ex/clippy-test-run/sources/stable/reg/rowcol/0.3.3 [INFO] extracting crate rowcol 0.3.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rowcol/0.3.3 [INFO] validating manifest of rowcol-0.3.3 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 rowcol-0.3.3 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 rowcol-0.3.3 [INFO] finished frobbing rowcol-0.3.3 [INFO] frobbed toml for rowcol-0.3.3 written to work/ex/clippy-test-run/sources/stable/reg/rowcol/0.3.3/Cargo.toml [INFO] started frobbing rowcol-0.3.3 [INFO] finished frobbing rowcol-0.3.3 [INFO] frobbed toml for rowcol-0.3.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rowcol/0.3.3/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 rowcol-0.3.3 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rowcol/0.3.3:/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] 842e1b2cbb3a28d53a54dd90592f147efe0ed0055bafd7468d80aeb57eebe835 [INFO] running `"docker" "start" "-a" "842e1b2cbb3a28d53a54dd90592f147efe0ed0055bafd7468d80aeb57eebe835"` [INFO] [stderr] Checking rowcol v0.3.3 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/vector.rs:825:13 [INFO] [stderr] | [INFO] [stderr] 825 | it: it, [INFO] [stderr] | ^^^^^^ help: replace it with: `it` [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/matrix/iter.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:301:13 [INFO] [stderr] | [INFO] [stderr] 301 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:399:13 [INFO] [stderr] | [INFO] [stderr] 399 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | col: col, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `col` [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/vector.rs:825:13 [INFO] [stderr] | [INFO] [stderr] 825 | it: it, [INFO] [stderr] | ^^^^^^ help: replace it with: `it` [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/matrix/iter.rs:203:13 [INFO] [stderr] | [INFO] [stderr] 203 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:301:13 [INFO] [stderr] | [INFO] [stderr] 301 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:399:13 [INFO] [stderr] | [INFO] [stderr] 399 | mat: mat, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `mat` [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/matrix/iter.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | col: col, [INFO] [stderr] | ^^^^^^^^ help: replace it with: `col` [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: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:41:1 [INFO] [stderr] | [INFO] [stderr] 41 | #[macro_use] extern crate approx; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/matrix/ops.rs:237:43 [INFO] [stderr] | [INFO] [stderr] 237 | assert_relative_eq!(m.determinant(), -535680.0); [INFO] [stderr] | ^^^^^^^^ help: consider: `535_680.0` [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 .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/ops.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | row.into_iter().enumerate() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/ops.rs:192:21 [INFO] [stderr] | [INFO] [stderr] 192 | row.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/arith.rs:288:21 [INFO] [stderr] | [INFO] [stderr] 288 | row.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/matrix/mod.rs:894:15 [INFO] [stderr] | [INFO] [stderr] 894 | }).fold(true, |x, y| x && y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|y| y)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/matrix/mod.rs:901:15 [INFO] [stderr] | [INFO] [stderr] 901 | }).fold(true, |x, y| x && y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|y| y)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of left operand [INFO] [stderr] --> src/vector.rs:481:16 [INFO] [stderr] | [INFO] [stderr] 481 | assert_eq!(&a + b, a_plus_b); [INFO] [stderr] | --^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: use the left value directly: `a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::op_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/vector.rs:482:16 [INFO] [stderr] | [INFO] [stderr] 482 | assert_eq!(a + &b, a_plus_b); [INFO] [stderr] | ^^^^-- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `b` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of both operands [INFO] [stderr] --> src/vector.rs:483:16 [INFO] [stderr] | [INFO] [stderr] 483 | assert_eq!(&a + &b, a_plus_b); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] help: use the values directly [INFO] [stderr] | [INFO] [stderr] 483 | assert_eq!(a + b, a_plus_b); [INFO] [stderr] | ^ ^ [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of left operand [INFO] [stderr] --> src/vector.rs:485:16 [INFO] [stderr] | [INFO] [stderr] 485 | assert_eq!(&a - b, a_minus_b); [INFO] [stderr] | --^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: use the left value directly: `a` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/vector.rs:486:16 [INFO] [stderr] | [INFO] [stderr] 486 | assert_eq!(a - &b, a_minus_b); [INFO] [stderr] | ^^^^-- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `b` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of both operands [INFO] [stderr] --> src/vector.rs:487:16 [INFO] [stderr] | [INFO] [stderr] 487 | assert_eq!(&a - &b, a_minus_b); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] help: use the values directly [INFO] [stderr] | [INFO] [stderr] 487 | assert_eq!(a - b, a_minus_b); [INFO] [stderr] | ^ ^ [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/ops.rs:157:17 [INFO] [stderr] | [INFO] [stderr] 157 | row.into_iter().enumerate() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/ops.rs:192:21 [INFO] [stderr] | [INFO] [stderr] 192 | row.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: the function has a cyclomatic complexity of 37 [INFO] [stderr] --> src/matrix/iter.rs:480:1 [INFO] [stderr] | [INFO] [stderr] 480 | / fn test_matrix_rows_cols_iter() { [INFO] [stderr] 481 | | use typenum::consts::*; [INFO] [stderr] 482 | | use super::Matrix; [INFO] [stderr] 483 | | [INFO] [stderr] ... | [INFO] [stderr] 542 | | assert_eq!(cols.count(), 0); [INFO] [stderr] 543 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cyclomatic_complexity)] on by default [INFO] [stderr] = help: you could split it up into multiple smaller functions [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/matrix/arith.rs:288:21 [INFO] [stderr] | [INFO] [stderr] 288 | row.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: the function has a cyclomatic complexity of 26 [INFO] [stderr] --> src/matrix/arith.rs:364:1 [INFO] [stderr] | [INFO] [stderr] 364 | / fn test_matrix_arith() { [INFO] [stderr] 365 | | let mut m1 = Matrix::::default(); [INFO] [stderr] 366 | | m1[(1,1)] = 4; [INFO] [stderr] 367 | | m1[(0,0)] = 1; [INFO] [stderr] ... | [INFO] [stderr] 412 | | assert_eq!(mb.clone() * mb, Matrix::new([[7.into(), 10.into()], [15.into(), 22.into()]])); [INFO] [stderr] 413 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = help: you could split it up into multiple smaller functions [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of left operand [INFO] [stderr] --> src/matrix/arith.rs:378:16 [INFO] [stderr] | [INFO] [stderr] 378 | assert_eq!(&m1 + m2, Matrix::new([[1, 0], [0, 5]])); [INFO] [stderr] | ---^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: use the left value directly: `m1` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:379:16 [INFO] [stderr] | [INFO] [stderr] 379 | assert_eq!(m1 + &m2, Matrix::new([[1, 0], [0, 5]])); [INFO] [stderr] | ^^^^^--- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `m2` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of both operands [INFO] [stderr] --> src/matrix/arith.rs:380:16 [INFO] [stderr] | [INFO] [stderr] 380 | assert_eq!(&m1 + &m2, Matrix::new([[1, 0], [0, 5]])); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] help: use the values directly [INFO] [stderr] | [INFO] [stderr] 380 | assert_eq!(m1 + m2, Matrix::new([[1, 0], [0, 5]])); [INFO] [stderr] | ^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of left operand [INFO] [stderr] --> src/matrix/arith.rs:387:16 [INFO] [stderr] | [INFO] [stderr] 387 | assert_eq!(&m1 - m2, Matrix::new([[1, 0], [0, 3]])); [INFO] [stderr] | ---^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: use the left value directly: `m1` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:388:16 [INFO] [stderr] | [INFO] [stderr] 388 | assert_eq!(m1 - &m2, Matrix::new([[1, 0], [0, 3]])); [INFO] [stderr] | ^^^^^--- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `m2` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of both operands [INFO] [stderr] --> src/matrix/arith.rs:389:16 [INFO] [stderr] | [INFO] [stderr] 389 | assert_eq!(&m1 - &m2, Matrix::new([[1, 0], [0, 3]])); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] help: use the values directly [INFO] [stderr] | [INFO] [stderr] 389 | assert_eq!(m1 - m2, Matrix::new([[1, 0], [0, 3]])); [INFO] [stderr] | ^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of left operand [INFO] [stderr] --> src/matrix/arith.rs:399:16 [INFO] [stderr] | [INFO] [stderr] 399 | assert_eq!(&m4 * m5 * 2, Matrix::new([[2], [18]])); [INFO] [stderr] | ---^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: use the left value directly: `m4` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: needlessly taken reference of both operands [INFO] [stderr] --> src/matrix/arith.rs:400:16 [INFO] [stderr] | [INFO] [stderr] 400 | assert_eq!(&m4 * &m5 * 2, Matrix::new([[2], [18]])); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] help: use the values directly [INFO] [stderr] | [INFO] [stderr] 400 | assert_eq!(m4 * m5 * 2, Matrix::new([[2], [18]])); [INFO] [stderr] | ^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:401:16 [INFO] [stderr] | [INFO] [stderr] 401 | assert_eq!(m4 * &m5 * 2 / 2, Matrix::new([[1], [9]])); [INFO] [stderr] | ^^^^^--- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `m5` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:402:16 [INFO] [stderr] | [INFO] [stderr] 402 | assert_eq!(m5 * &Vector::::new([2]), Vector::new([2, 6])); [INFO] [stderr] | ^^^^^---------------------------- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `Vector::::new([2])` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:406:9 [INFO] [stderr] | [INFO] [stderr] 406 | m = m * &2; [INFO] [stderr] | ^^^^-- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `2` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: taken reference of right operand [INFO] [stderr] --> src/matrix/arith.rs:408:9 [INFO] [stderr] | [INFO] [stderr] 408 | m = m / &2; [INFO] [stderr] | ^^^^-- [INFO] [stderr] | | [INFO] [stderr] | help: use the right value directly: `2` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/matrix/mod.rs:894:15 [INFO] [stderr] | [INFO] [stderr] 894 | }).fold(true, |x, y| x && y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|y| y)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_fold)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] warning: this `.fold` can be written more succinctly using another method [INFO] [stderr] --> src/matrix/mod.rs:901:15 [INFO] [stderr] | [INFO] [stderr] 901 | }).fold(true, |x, y| x && y) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|y| y)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/matrix.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rowcol`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "842e1b2cbb3a28d53a54dd90592f147efe0ed0055bafd7468d80aeb57eebe835"` [INFO] running `"docker" "rm" "-f" "842e1b2cbb3a28d53a54dd90592f147efe0ed0055bafd7468d80aeb57eebe835"` [INFO] [stdout] 842e1b2cbb3a28d53a54dd90592f147efe0ed0055bafd7468d80aeb57eebe835