[INFO] updating cached repository koba-e964/rust-number-theory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/koba-e964/rust-number-theory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/rust-number-theory" "work/ex/clippy-test-run/sources/stable/gh/koba-e964/rust-number-theory"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/koba-e964/rust-number-theory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/rust-number-theory" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/koba-e964/rust-number-theory"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/koba-e964/rust-number-theory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6585894b5b711fd471dcb52a402a289eca26a1df
[INFO] sha for GitHub repo koba-e964/rust-number-theory: 6585894b5b711fd471dcb52a402a289eca26a1df
[INFO] validating manifest of koba-e964/rust-number-theory 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 koba-e964/rust-number-theory 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 koba-e964/rust-number-theory
[INFO] finished frobbing koba-e964/rust-number-theory
[INFO] frobbed toml for koba-e964/rust-number-theory written to work/ex/clippy-test-run/sources/stable/gh/koba-e964/rust-number-theory/Cargo.toml
[INFO] started frobbing koba-e964/rust-number-theory
[INFO] finished frobbing koba-e964/rust-number-theory
[INFO] frobbed toml for koba-e964/rust-number-theory written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/koba-e964/rust-number-theory/Cargo.toml
[INFO] crate koba-e964/rust-number-theory 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 koba-e964/rust-number-theory against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/koba-e964/rust-number-theory:/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] eb1a56ec1332fcda06d527fae2847aa648cd4534e24f1e84c9a386e98d3e5323
[INFO] running `"docker" "start" "-a" "eb1a56ec1332fcda06d527fae2847aa648cd4534e24f1e84c9a386e98d3e5323"`
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rust-number-theory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polynomial.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             dat: dat
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `dat`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/resultant.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut s = 1;
[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] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/resultant.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let (_, h) = pseudo_div_rem_bigint(&f, &g);
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[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] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polynomial.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             dat: dat
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `dat`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/resultant.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut s = 1;
[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] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/resultant.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let (_, h) = pseudo_div_rem_bigint(&f, &g);
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[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] warning: unused import: `BigInt`
[INFO] [stderr]  --> src/determinant.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::{BigInt, BigRational, One, Zero};
[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/main.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(res, 335159672.into());
[INFO] [stderr]    |                     ^^^^^^^^^ help: consider: `335_159_672`
[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: unused import: `num::BigInt`
[INFO] [stderr]    --> src/algebraic.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     use num::BigInt;
[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/factorize.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut res = factorize(&36355439941184i64.into());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: consider: `36_355_439_941_184i64`
[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: long literal lacking separators
[INFO] [stderr]   --> src/factorize.rs:43:31
[INFO] [stderr]    |
[INFO] [stderr] 43 |             (149.into(), 1), (41894959.into(), 1)]);
[INFO] [stderr]    |                               ^^^^^^^^ help: consider: `41_894_959`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/resultant.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_eq!(resultant(&p1, &p2), 335159672.into());
[INFO] [stderr]    |                                         ^^^^^^^^^ help: consider: `335_159_672`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigInt`
[INFO] [stderr]  --> src/determinant.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::{BigInt, BigRational, One, Zero};
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/determinant.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         /// det((2, -1; 5, -4)) = -3
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/determinant.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         /// det((3, 2, 1; -1, 2, 2; -2, -3, 2)) = 33
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(res, 335159672.into());
[INFO] [stderr]    |                     ^^^^^^^^^ help: consider: `335_159_672`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `cur`
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[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] 92 |     for (i, <item>) in cur.iter_mut().enumerate().take(b_deg + 1) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: try replacing the loop by: `cur[..b_deg + 1].clone_from_slice(&b.dat[..b_deg + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/algebraic.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `cur`
[INFO] [stderr]    --> src/algebraic.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |             for j in 0 .. n {
[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] 107 |             for (j, <item>) in cur.iter_mut().enumerate().take(n) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         self.dat.len() == 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]   --> src/polynomial.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for i in 0 .. deg {
[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] 48 |         for (i, <item>) in tmp.iter_mut().enumerate().take(deg) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if other.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]   --> src/polynomial.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for (i, <item>) in tmp.iter_mut().enumerate().take(ret_deg + 1) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/polynomial.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use: `0..=ret_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if other.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `dat`.
[INFO] [stderr]    --> src/polynomial.rs:104:18
[INFO] [stderr]     |
[INFO] [stderr] 104 |         for i in 0 .. dat.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] 104 |         for <item> in &mut dat {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |         if self.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |         if other.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Sub` impl
[INFO] [stderr]    --> src/polynomial.rs:137:47
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut tmp = vec![R::zero(); ret_deg + 1];
[INFO] [stderr]     |                                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]    --> src/polynomial.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for (i, <item>) in tmp.iter_mut().enumerate().take(ret_deg + 1) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: use: `0..=ret_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Sub` impl
[INFO] [stderr]    --> src/polynomial.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if self.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |         if other.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |         if self.is_zero_primitive() || other.is_zero_primitive() {
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |         for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:172:29
[INFO] [stderr]     |
[INFO] [stderr] 172 |         for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:173:22
[INFO] [stderr]     |
[INFO] [stderr] 173 |             for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:173:33
[INFO] [stderr]     |
[INFO] [stderr] 173 |             for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 result[i + j] += &self.dat[i] * &other.dat[j];
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:209:18
[INFO] [stderr]     |
[INFO] [stderr] 209 |         for i in (0 .. d + 1).rev() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: use: `(0..=d)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `tmp`.
[INFO] [stderr]    --> src/polynomial.rs:249:14
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for <item> in tmp.iter_mut().take(a_deg + 1) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:249:14
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:254:14
[INFO] [stderr]     |
[INFO] [stderr] 254 |     for i in (0 .. diff + 1).rev() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^ help: use: `(0..=diff)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:256:18
[INFO] [stderr]     |
[INFO] [stderr] 256 |         for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:277:14
[INFO] [stderr]     |
[INFO] [stderr] 277 |     for i in (0 .. a_deg - b_deg + 1).rev() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=a_deg - b_deg)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:279:18
[INFO] [stderr]     |
[INFO] [stderr] 279 |         for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `a`
[INFO] [stderr]   --> src/determinant.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for j in i .. n {
[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] 14 |         for (j, <item>) in a.iter().enumerate().take(n).skip(i) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-number-theory`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the loop variable `i` is used to index `cur`
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[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] 92 |     for (i, <item>) in cur.iter_mut().enumerate().take(b_deg + 1) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: try replacing the loop by: `cur[..b_deg + 1].clone_from_slice(&b.dat[..b_deg + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/algebraic.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     for i in 0 .. b_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/algebraic.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `cur`
[INFO] [stderr]    --> src/algebraic.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |             for j in 0 .. n {
[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] 107 |             for (j, <item>) in cur.iter_mut().enumerate().take(n) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         self.dat.len() == 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]   --> src/polynomial.rs:48:18
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for i in 0 .. deg {
[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] 48 |         for (i, <item>) in tmp.iter_mut().enumerate().take(deg) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if other.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]   --> src/polynomial.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for (i, <item>) in tmp.iter_mut().enumerate().take(ret_deg + 1) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/polynomial.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ help: use: `0..=ret_deg`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if self.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/polynomial.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if other.dat.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `dat`.
[INFO] [stderr]    --> src/polynomial.rs:104:18
[INFO] [stderr]     |
[INFO] [stderr] 104 |         for i in 0 .. dat.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] 104 |         for <item> in &mut dat {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |         if self.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |         if other.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Sub` impl
[INFO] [stderr]    --> src/polynomial.rs:137:47
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut tmp = vec![R::zero(); ret_deg + 1];
[INFO] [stderr]     |                                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `tmp`
[INFO] [stderr]    --> src/polynomial.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for (i, <item>) in tmp.iter_mut().enumerate().take(ret_deg + 1) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: use: `0..=ret_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Sub` impl
[INFO] [stderr]    --> src/polynomial.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |         for i in 0 .. ret_deg + 1 {
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |         if self.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/polynomial.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |         if other.dat.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `other.dat.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |         if self.is_zero_primitive() || other.is_zero_primitive() {
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |         for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:172:29
[INFO] [stderr]     |
[INFO] [stderr] 172 |         for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:173:22
[INFO] [stderr]     |
[INFO] [stderr] 173 |             for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:173:33
[INFO] [stderr]     |
[INFO] [stderr] 173 |             for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/polynomial.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 result[i + j] += &self.dat[i] * &other.dat[j];
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:209:18
[INFO] [stderr]     |
[INFO] [stderr] 209 |         for i in (0 .. d + 1).rev() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: use: `(0..=d)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `tmp`.
[INFO] [stderr]    --> src/polynomial.rs:249:14
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for <item> in tmp.iter_mut().take(a_deg + 1) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:249:14
[INFO] [stderr]     |
[INFO] [stderr] 249 |     for i in 0 .. a_deg + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^ help: use: `0..=a_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:254:14
[INFO] [stderr]     |
[INFO] [stderr] 254 |     for i in (0 .. diff + 1).rev() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^ help: use: `(0..=diff)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:256:18
[INFO] [stderr]     |
[INFO] [stderr] 256 |         for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:277:14
[INFO] [stderr]     |
[INFO] [stderr] 277 |     for i in (0 .. a_deg - b_deg + 1).rev() {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=a_deg - b_deg)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/polynomial.rs:279:18
[INFO] [stderr]     |
[INFO] [stderr] 279 |         for j in 0 .. b_deg + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ help: use: `0..=b_deg`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `a`
[INFO] [stderr]   --> src/determinant.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         for j in i .. n {
[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] 14 |         for (j, <item>) in a.iter().enumerate().take(n).skip(i) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-number-theory`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eb1a56ec1332fcda06d527fae2847aa648cd4534e24f1e84c9a386e98d3e5323"`
[INFO] running `"docker" "rm" "-f" "eb1a56ec1332fcda06d527fae2847aa648cd4534e24f1e84c9a386e98d3e5323"`
[INFO] [stdout] eb1a56ec1332fcda06d527fae2847aa648cd4534e24f1e84c9a386e98d3e5323